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commit 7a5c61ef4059b02a846cdce2e19943dd1150d261 Author: Cyril Hrubis metan@ucw.cz Date: Sat Oct 13 20:07:08 2012 +0200

tests: loaders: Make use of some bmp images.

diff --git a/tests/Makefile b/tests/Makefile index f4fc735..6181430 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -5,5 +5,6 @@ SUBDIRS=core SDL drivers framework loaders gfx

loaders: framework gfx: framework +core: framework

include $(TOPDIR)/post.mk diff --git a/tests/loaders/Makefile b/tests/loaders/Makefile index 8fb8b15..f076cd7 100644 --- a/tests/loaders/Makefile +++ b/tests/loaders/Makefile @@ -12,7 +12,7 @@ APPS=loaders_suite

$(APPS): ../framework/libtst.a

-CLEAN+=libtst_preload.so log.html log.json +CLEAN+=log.html log.json

include $(TOPDIR)/app.mk include $(TOPDIR)/post.mk diff --git a/tests/loaders/loaders_suite.c b/tests/loaders/loaders_suite.c index aa2fa92..41ab097 100644 --- a/tests/loaders/loaders_suite.c +++ b/tests/loaders/loaders_suite.c @@ -493,6 +493,74 @@ static int test_Load(void) return TST_SKIPPED; }

+static int test_load_BMP(const char *path) +{ + GP_Context *img; + + img = GP_LoadBMP(path, NULL); + + if (img == NULL) { + switch (errno) { + case ENOSYS: + tst_report(0, "Not Implemented"); + return TST_SKIPPED; + default: + tst_report(0, "Got %s", strerror(errno)); + return TST_FAILED; + } + } + + /* + * TODO: check correct data. + */ + + GP_ContextFree(img); + + return TST_SUCCESS; +} + +/* Basic loading tests */ + +static int test_load_BMP_1bpp_1x1(void) +{ + return test_load_BMP("1bpp-1x1.bmp"); +} + +static int test_load_BMP_4bpp_1x1(void) +{ + return test_load_BMP("4bpp-1x1.bmp"); +} + +static int test_load_BMP_8bpp_1x1(void) +{ + return test_load_BMP("8bpp-1x1.bmp"); +} + +static int test_load_BMP_24bpp_1x1(void) +{ + return test_load_BMP("24bpp-1x1.bmp"); +} + +static int test_load_BMP_32bpp_1x1(void) +{ + return test_load_BMP("32bpp-1x1.bmp"); +} + +static int test_load_BMP_555_1x1(void) +{ + return test_load_BMP("555-1x1.bmp"); +} + +static int test_load_BMP_565_1x1(void) +{ + return test_load_BMP("565-1x1.bmp"); +} + +static int test_load_BMP_8bpp_1x64000(void) +{ + return test_load_BMP("8bpp-1x64000.bmp"); +} + const struct tst_suite tst_suite = { .suite_name = "Image Loaders testsuite", .tests = { @@ -545,7 +613,32 @@ const struct tst_suite tst_suite = { .flags = TST_TMPDIR | TST_CHECK_MALLOC}, {.name = "JPG Stress", .tst_fn = test_JPG_stress, .flags = TST_TMPDIR | TST_CHECK_MALLOC}, + + /* BPM loader tests */ + {.name = "BMP Load 1bpp 1x1", .tst_fn = test_load_BMP_1bpp_1x1, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/1bpp-1x1.bmp"}, + + {.name = "BMP Load 4bpp 1x1", .tst_fn = test_load_BMP_4bpp_1x1, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/4bpp-1x1.bmp"}, + {.name = "BMP Load 8bpp 1x1", .tst_fn = test_load_BMP_8bpp_1x1, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/8bpp-1x1.bmp"}, + + {.name = "BMP 24bpp 1x1", .tst_fn = test_load_BMP_24bpp_1x1, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/24bpp-1x1.bmp"}, + + {.name = "BMP 32bpp 1x1", .tst_fn = test_load_BMP_32bpp_1x1, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/32bpp-1x1.bmp"}, + + {.name = "BMP 555 1x1", .tst_fn = test_load_BMP_555_1x1, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/555-1x1.bmp"}, + + {.name = "BMP 565 1x1", .tst_fn = test_load_BMP_565_1x1, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/565-1x1.bmp"}, + + {.name = "BMP 8bpp 1x64000", .tst_fn = test_load_BMP_8bpp_1x64000, + .flags = TST_TMPDIR, .res_path = "data/bmp/valid/8bpp-1x64000.bmp"}, + {.name = NULL}, } };

http://repo.or.cz/w/gfxprim.git/commit/b27ea6e7962b7a22dbd9fdf48e9ffe2358c88...

commit b27ea6e7962b7a22dbd9fdf48e9ffe2358c88097 Author: Cyril Hrubis metan@ucw.cz Date: Sat Oct 13 20:06:10 2012 +0200

tests: loaders: Add generator + bmp images.

diff --git a/tests/loaders/data/bmp/README b/tests/loaders/data/bmp/README new file mode 100644 index 0000000..470df6a --- /dev/null +++ b/tests/loaders/data/bmp/README @@ -0,0 +1,4 @@ +Run the script to regenerate bitmaps. + +The script is not python 3 ready +(although I've fixed most of the problems) diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/1bpp-no-palette.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/1bpp-no-palette.bmp new file mode 100644 index 0000000..24f46bd Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/1bpp-no-palette.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/1bpp-pixeldata-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/1bpp-pixeldata-cropped.bmp new file mode 100644 index 0000000..488bd4e Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/1bpp-pixeldata-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/24bpp-pixeldata-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/24bpp-pixeldata-cropped.bmp new file mode 100644 index 0000000..248bef4 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/24bpp-pixeldata-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/32bpp-pixeldata-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/32bpp-pixeldata-cropped.bmp new file mode 100644 index 0000000..11a37e0 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/32bpp-pixeldata-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/4bpp-no-palette.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/4bpp-no-palette.bmp new file mode 100644 index 0000000..667ee63 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/4bpp-no-palette.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/4bpp-pixeldata-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/4bpp-pixeldata-cropped.bmp new file mode 100644 index 0000000..ffa50ae Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/4bpp-pixeldata-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/555-pixeldata-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/555-pixeldata-cropped.bmp new file mode 100644 index 0000000..2d08d35 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/555-pixeldata-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-large.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-large.bmp new file mode 100644 index 0000000..249c090 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-large.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-negative.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-negative.bmp new file mode 100644 index 0000000..1dfe0e9 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-negative.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-large.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-large.bmp new file mode 100644 index 0000000..2a3195b Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-large.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-negative.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-negative.bmp new file mode 100644 index 0000000..f8e0fab Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-negative.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-no-palette.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-no-palette.bmp new file mode 100644 index 0000000..e8eafa4 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-no-palette.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-pixeldata-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-pixeldata-cropped.bmp new file mode 100644 index 0000000..5fcdcba Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/8bpp-pixeldata-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-large.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-large.bmp new file mode 100644 index 0000000..3e4777f Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-large.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-odd.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-odd.bmp new file mode 100644 index 0000000..912c845 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-odd.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-zero.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-zero.bmp new file mode 100644 index 0000000..fa9a92a Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-zero.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/colormasks-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/colormasks-cropped.bmp new file mode 100644 index 0000000..c11133c Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/colormasks-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/colormasks-missing.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/colormasks-missing.bmp new file mode 100644 index 0000000..228c5c9 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/colormasks-missing.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle4-for-8bpp.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle4-for-8bpp.bmp new file mode 100644 index 0000000..045b861 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle4-for-8bpp.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle8-for-4bpp.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle8-for-4bpp.bmp new file mode 100644 index 0000000..03d4cb7 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle8-for-4bpp.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/compression-unknown.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/compression-unknown.bmp new file mode 100644 index 0000000..3465800 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/compression-unknown.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/emptyfile.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/emptyfile.bmp new file mode 100644 index 0000000..e69de29 diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/fileinfoheader-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/fileinfoheader-cropped.bmp new file mode 100644 index 0000000..f7ff95e Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/fileinfoheader-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/height-zero.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/height-zero.bmp new file mode 100644 index 0000000..b07834b Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/height-zero.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/index.html b/tests/loaders/data/bmp/bitmaps/corrupt/index.html new file mode 100644 index 0000000..e42e718 --- /dev/null +++ b/tests/loaders/data/bmp/bitmaps/corrupt/index.html @@ -0,0 +1,444 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> + <head> + <title>Directory Listing</title> + </head> + <body> + <table border="1"> + + <tr> + <th>Filename</th> + <th>Description</th> + </tr> + + <tr> + <td><a href="1bpp-no-palette.bmp">1bpp-no-palette.bmp</a></td> + <td> + A bitmap that has 1 bit per pixel and no palette. + This is technically invalid, but a bitmap processor could default to black and white. + </td> + </tr> + + <tr> + <td><a href="1bpp-pixeldata-cropped.bmp">1bpp-pixeldata-cropped.bmp</a></td> + <td> + A 1 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + </td> + </tr> + + <tr> + <td><a href="24bpp-pixeldata-cropped.bmp">24bpp-pixeldata-cropped.bmp</a></td> + <td> + A 24 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + </td> + </tr> + + <tr> + <td><a href="32bpp-pixeldata-cropped.bmp">32bpp-pixeldata-cropped.bmp</a></td> + <td> + A 32 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + </td> + </tr> + + <tr> + <td><a href="4bpp-no-palette.bmp">4bpp-no-palette.bmp</a></td> + <td> + A bitmap that has 4 bit per pixel and no palette. + This is an invalid bitmap, but a bitmap processor could use default colors. + </td> + </tr> + + <tr> + <td><a href="4bpp-pixeldata-cropped.bmp">4bpp-pixeldata-cropped.bmp</a></td> + <td> + An 4 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + </td> + </tr> + + <tr> + <td><a href="555-pixeldata-cropped.bmp">555-pixeldata-cropped.bmp</a></td> + <td> + A 5-5-5 16 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + </td> + </tr> + + <tr> + <td><a href="8bpp-colorsimportant-large.bmp">8bpp-colorsimportant-large.bmp</a></td> + <td> + An 8 bpp bitmap with five colors, but a very large 'biColorsImportant' field. + This is invalid--biColorsImportant shouldn't exceed biColorsUsed. + </td> + </tr> + + <tr> + <td><a href="8bpp-colorsimportant-negative.bmp">8bpp-colorsimportant-negative.bmp</a></td> + <td> + An 8 bpp bitmap with a negative 'biColorsImportant' field. + This is invalid--biColorsImportant can't be below 0. + </td> + </tr> + + <tr> + <td><a href="8bpp-colorsused-large.bmp">8bpp-colorsused-large.bmp</a></td> + <td> + An 8 bpp bitmap with a very large 'biColorsUsed' field. + This is invalid--biColorsImportant shouldn't exceed 256. + This attempts to trick the bitmap processor into accessing invalid memory. + </td> + </tr> + + <tr> + <td><a href="8bpp-colorsused-negative.bmp">8bpp-colorsused-negative.bmp</a></td> + <td> + An 8 bpp bitmap with a negative 'biColorsUsed' field. + This is invalid--biColorsImportant can't be below 0. + This attempts to trick the bitmap processor into accessing invalid memory. + </td> + </tr> + + <tr> + <td><a href="8bpp-no-palette.bmp">8bpp-no-palette.bmp</a></td> + <td> + A bitmap that has 8 bits per pixel and no palette. + This is an invalid bitmap, but a bitmap processor could use default colors. + </td> + </tr> + + <tr> + <td><a href="8bpp-pixeldata-cropped.bmp">8bpp-pixeldata-cropped.bmp</a></td> + <td> + An 8 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + </td> + </tr> + + <tr> + <td><a href="bitdepth-large.bmp">bitdepth-large.bmp</a></td> + <td> + A bitmap with a 'biBitCount' field in its BMPINFOHEADER that is very large. + This attempts to trick the bitmap processor into thinking the bit depth is negative. + </td> + </tr> + + <tr> + <td><a href="bitdepth-odd.bmp">bitdepth-odd.bmp</a></td> + <td> + A bitmap with a 'biBitCount' field in its BMPINFOHEADER that is odd. + </td> + </tr> + + <tr> + <td><a href="bitdepth-zero.bmp">bitdepth-zero.bmp</a></td> + <td> + A bitmap with a 'biBitCount' field in its BMPINFOHEADER that is 0. + </td> + </tr> + + <tr> + <td><a href="colormasks-cropped.bmp">colormasks-cropped.bmp</a></td> + <td> + A BI_BITFIELDS bitmap that is one byte short of having a complete + colormask array. + This tests that what happens when fread() returns fewer bytes + than expected. + </td> + </tr> + + <tr> + <td><a href="colormasks-missing.bmp">colormasks-missing.bmp</a></td> + <td> + A BI_BITFIELDS bitmap file that is so short that it doesn't include the + colormask array. + This tests that what happens when a call to fread() fails. + </td> + </tr> + + <tr> + <td><a href="compression-bad-rle4-for-8bpp.bmp">compression-bad-rle4-for-8bpp.bmp</a></td> + <td> + A 4 bpp bitmap with a 'biCompression' field of BI_RLE8. + Only 8 bpp bitmaps may use BI_RLE8. + </td> + </tr> + + <tr> + <td><a href="compression-bad-rle8-for-4bpp.bmp">compression-bad-rle8-for-4bpp.bmp</a></td> + <td> + An 8 bpp bitmap with a 'biCompression' field of BI_RLE4. + Only 4 bpp bitmaps may use BI_RLE4. + </td> + </tr> + + <tr> + <td><a href="compression-unknown.bmp">compression-unknown.bmp</a></td> + <td> + A bitmap with an unrecognized 'biCompression' field. + </td> + </tr> + + <tr> + <td><a href="emptyfile.bmp">emptyfile.bmp</a></td> + <td> + A zero-byte file. + This tests that what happens when the first call to fread() fails. + </td> + </tr> + + <tr> + <td><a href="fileinfoheader-cropped.bmp">fileinfoheader-cropped.bmp</a></td> + <td> + A bitmap that is one byte short of having a complete fileinfoheader. + This tests that what happens when fread() returns fewer bytes + than expected. + </td> + </tr> + + <tr> + <td><a href="height-zero.bmp">height-zero.bmp</a></td> + <td> + A bitmap with a 'biHeight' field in its BMPINFOHEADER that is 0. + </td> + </tr> + + <tr> + <td><a href="infoheader-cropped.bmp">infoheader-cropped.bmp</a></td> + <td> + A bitmap that is one byte short of having a complete BITMAPINFOHEADER. + This tests that what happens when fread() returns fewer bytes + than expected. + </td> + </tr> + + <tr> + <td><a href="infoheader-missing.bmp">infoheader-missing.bmp</a></td> + <td> + A bitmap file that is so short that it doesn't include a BITMAPINFOHEADER. + This tests that what happens when a call to fread() fails. + </td> + </tr> + + <tr> + <td><a href="infoheadersize-large.bmp">infoheadersize-large.bmp</a></td> + <td> + A bitmap with a 'biSize' field in its BMPINFOHEADER that is too large. + </td> + </tr> + + <tr> + <td><a href="infoheadersize-small.bmp">infoheadersize-small.bmp</a></td> + <td> + A bitmap with a 'biSize' field in its BMPINFOHEADER that is too small. + </td> + </tr> + + <tr> + <td><a href="infoheadersize-zero.bmp">infoheadersize-zero.bmp</a></td> + <td> + A bitmap with a 'biSize' field in its BMPINFOHEADER that is 0. + </td> + </tr> + + <tr> + <td><a href="magicnumber-bad.bmp">magicnumber-bad.bmp</a></td> + <td> + A bitmap with an invalid magic number (it uses 'Bm' instead of 'BM') + A bitmap processor that ignores this field is probably trusting the file extension + or doing a case-insensitive compare. + </td> + </tr> + + <tr> + <td><a href="magicnumber-cropped.bmp">magicnumber-cropped.bmp</a></td> + <td> + A one byte bitmap that only contains the 'B' of the magic number. + This tests that what happens when the first call to fread() returns + fewer bytes than expected. + </td> + </tr> + + <tr> + <td><a href="offbits-large.bmp">offbits-large.bmp</a></td> + <td> + A bitmap with an 'dwOffBits' field that is larger than the file size. + </td> + </tr> + + <tr> + <td><a href="offbits-negative.bmp">offbits-negative.bmp</a></td> + <td> + A bitmap with an 'dwOffBits' field that is -1. + This is supposed to be interpreted as an unsigned value, so it will + either be understood as a very large (illegal) value, + or a negative value (also illegal). + </td> + </tr> + + <tr> + <td><a href="offbits-zero.bmp">offbits-zero.bmp</a></td> + <td> + A bitmap with an 'dwOffBits' field that is 0. + A bitmap processor may recover from this by assuming that the pixel data + immediately follows the palette. + </td> + </tr> + + <tr> + <td><a href="palette-cropped.bmp">palette-cropped.bmp</a></td> + <td> + A bitmap that is one byte short of having a complete palette. + This tests that what happens when fread() returns fewer bytes + than expected. + </td> + </tr> + + <tr> + <td><a href="palette-missing.bmp">palette-missing.bmp</a></td> + <td> + A bitmap file that is so short that it doesn't include the palette. + This tests that what happens when a call to fread() fails. + </td> + </tr> + + <tr> + <td><a href="palette-too-big.bmp">palette-too-big.bmp</a></td> + <td>A bitmap that has 1 bit per pixel that has a palette with 5000 colors.</td> + </tr> + + <tr> + <td><a href="pixeldata-missing.bmp">pixeldata-missing.bmp</a></td> + <td> + A bitmap file that doesn't include any of the pixel data. + </td> + </tr> + + <tr> + <td><a href="rle4-absolute-cropped.bmp">rle4-absolute-cropped.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'absolute mode'. + The pixel data ends prematurely--in the middle of an absolute + escape sequence. + </td> + </tr> + + <tr> + <td><a href="rle4-delta-cropped.bmp">rle4-delta-cropped.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 4 bits per pixel. + The bitmap uses 'delta escapes'. + The file ends in the middle of a delta escape. + </td> + </tr> + + <tr> + <td><a href="rle4-no-end-of-line-marker.bmp">rle4-no-end-of-line-marker.bmp</a></td> + <td> + An RLE4 compressed bitmap with no end-of-line sequences. + It is unclear if a bitmap processor should implicitly add + end-of-line markers when the pixel run the row's width, + or if it should ignore all pixel data beyond the row's width. + </td> + </tr> + + <tr> + <td><a href="rle4-runlength-cropped.bmp">rle4-runlength-cropped.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'encoded mode'. + The pixel data ends prematurely--in the middle of an encoded + escape sequence. + </td> + </tr> + + <tr> + <td><a href="rle8-absolute-cropped.bmp">rle8-absolute-cropped.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'absolute mode'. + The pixel data ends prematurely--in the middle of an absolute + escape sequence. + </td> + </tr> + + <tr> + <td><a href="rle8-delta-cropped.bmp">rle8-delta-cropped.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The bitmap uses 'delta escapes'. + The file ends in the middle of a delta escape. + </td> + </tr> + + <tr> + <td><a href="rle8-deltaleavesimage.bmp">rle8-deltaleavesimage.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The bitmap contains 'delta' escape sequences the leave the image. + The intent is to trick the processor into accessing invalid memory. + </td> + </tr> + + <tr> + <td><a href="rle8-no-end-of-line-marker.bmp">rle8-no-end-of-line-marker.bmp</a></td> + <td> + An RLE8 compressed bitmap with no end-of-line sequences. + It is unclear if a bitmap processor should implicitly add + end-of-line markers when the pixel run the row's width, + or if it should ignore all pixel data beyond the row's width. + </td> + </tr> + + <tr> + <td><a href="rle8-runlength-cropped.bmp">rle8-runlength-cropped.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'encoded mode'. + The pixel data ends prematurely--in the middle of an encoded + escape sequence. + </td> + </tr> + + <tr> + <td><a href="width-negative.bmp">width-negative.bmp</a></td> + <td> + A bitmap with a negative 'biWidth' field in its BMPINFOHEADER. + </td> + </tr> + + <tr> + <td><a href="width-times-height-overflow.bmp">width-times-height-overflow.bmp</a></td> + <td> + A bitmap whose reported width and height cause a 32bit overflow when + they are multiplied together. + This tries to trick the image processor into allocating a very small + buffer that it thinks is very large. + </td> + </tr> + + <tr> + <td><a href="width-zero.bmp">width-zero.bmp</a></td> + <td> + A bitmap with a 'biWidth' field in its BMPINFOHEADER that is 0. + </td> + </tr> + + </table> + </body> +</html> diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/infoheader-cropped.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/infoheader-cropped.bmp new file mode 100644 index 0000000..2b35780 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/corrupt/infoheader-cropped.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/corrupt/infoheader-missing.bmp b/tests/loaders/data/bmp/bitmaps/corrupt/infoheader-missing.bmp new file mode 100644 index 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b/tests/loaders/data/bmp/bitmaps/questionable/index.html @@ -0,0 +1,197 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> + <head> + <title>Directory Listing</title> + </head> + <body> + <table border="1"> + + <tr> + <th>Filename</th> + <th>Description</th> + </tr> + + <tr> + <td><a href="32bpp-0x0.bmp">32bpp-0x0.bmp</a></td> + <td>A bitmap that is 32 bpp uncompressed RGB. The image is 0 pixels wide and 0 pixels high. Even though this is technically valid, most bitmap procesors consider it to be corrupt.</td> + </tr> + + <tr> + <td><a href="32bpp-0x240.bmp">32bpp-0x240.bmp</a></td> + <td>A bitmap that is 32 bpp uncompressed RGB. The image is 0 pixels wide and 240 pixels high. This is a sneaky way of making a 0x0 bitmap. Even though this is technically valid, most bitmap procesors consider it to be corrupt.</td> + </tr> + + <tr> + <td><a href="32bpp-320x0.bmp">32bpp-320x0.bmp</a></td> + <td>A bitmap that is 32 bpp uncompressed RGB. The image is 320 pixels wide and zero pixels high. This is a sneaky way of making a 0x0 bitmap. Even though this is technically valid, most bitmap procesors consider it to be corrupt.</td> + </tr> + + <tr> + <td><a href="8bpp-pixels-not-in-palette.bmp">8bpp-pixels-not-in-palette.bmp</a></td> + <td> + A bitmap that is 8 bits per pixel uncompressed RGB. + Many of the pixels are indexes that don't exist in the palette. + </td> + </tr> + + <tr> + <td><a href="filesize-bad.bmp">filesize-bad.bmp</a></td> + <td> + A bitmap with a filesize that's half of what it should be. + Most bitmap processors ignore this field. + </td> + </tr> + + <tr> + <td><a href="filesize-zero.bmp">filesize-zero.bmp</a></td> + <td> + A bitmap with an filesize of 0. + Most bitmap processors ignore this field. + </td> + </tr> + + <tr> + <td><a href="pels-per-meter-x-large.bmp">pels-per-meter-x-large.bmp</a></td> + <td> + An 8 bpp bitmap with a large 'biXPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + </td> + </tr> + + <tr> + <td><a href="pels-per-meter-x-negative.bmp">pels-per-meter-x-negative.bmp</a></td> + <td> + An 8 bpp bitmap with a negative 'biXPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + </td> + </tr> + + <tr> + <td><a href="pels-per-meter-x-zero.bmp">pels-per-meter-x-zero.bmp</a></td> + <td> + An 8 bpp bitmap with a 'biXPelsPerMeter' field of 0. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + </td> + </tr> + + <tr> + <td><a href="pels-per-meter-y-large.bmp">pels-per-meter-y-large.bmp</a></td> + <td> + An 8 bpp bitmap with a large 'biYPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + </td> + </tr> + + <tr> + <td><a href="pels-per-meter-y-negative.bmp">pels-per-meter-y-negative.bmp</a></td> + <td> + An 8 bpp bitmap with a negative 'biYPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + </td> + </tr> + + <tr> + <td><a href="pels-per-meter-y-zero.bmp">pels-per-meter-y-zero.bmp</a></td> + <td> + An 8 bpp bitmap with a 'biYPelsPerMeter' field of 0. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + </td> + </tr> + + <tr> + <td><a href="pixeldata-rle8-toomuch.bmp">pixeldata-rle8-toomuch.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'encoded mode'. + It has twice as much data as it should. + Since the RLE8 format is mostly a series of drawing directives, + this tests that the RLE8 processor keeps memory access within + the size of the image. + </td> + </tr> + + <tr> + <td><a href="pixeldata-toomuch.bmp">pixeldata-toomuch.bmp</a></td> + <td> + A bitmap with twice as much payload as expected. + This attempts to overflow an internal buffer. + </td> + </tr> + + <tr> + <td><a href="planes-large.bmp">planes-large.bmp</a></td> + <td> + A bitmap with a 'biPlanes' field in its BMPINFOHEADER that is large. + This is an invalid bitmap, but many bitmap processors ignore this field. + </td> + </tr> + + <tr> + <td><a href="planes-zero.bmp">planes-zero.bmp</a></td> + <td> + A bitmap with a 'biPlanes' field in its BMPINFOHEADER that is zero. + This is an invalid bitmap, but many bitmap processors ignore this field. + </td> + </tr> + + <tr> + <td><a href="reserved1-bad.bmp">reserved1-bad.bmp</a></td> + <td> + A bitmap with an 'wReserved1' field that is not 0. + This is technically illegal, but most bitmap processors ignore this field. + </td> + </tr> + + <tr> + <td><a href="reserved2-bad.bmp">reserved2-bad.bmp</a></td> + <td> + A bitmap with an 'wReserved2' field that is not 0. + This is technically illegal, but most bitmap processors ignore this field. + </td> + </tr> + + <tr> + <td><a href="rle4-height-negative.bmp">rle4-height-negative.bmp</a></td> + <td> + An RLE4 compressed bitmap with a negative height. + This is an illegal bitmap: top-down images cannot be compressed. + Still, many bitmap processors can understand it. + </td> + </tr> + + <tr> + <td><a href="rle4-no-end-of-bitmap-marker.bmp">rle4-no-end-of-bitmap-marker.bmp</a></td> + <td> + An RLE4 compressed bitmap with no end-of-bitmap sequence. + This is techinically invalid, but the bitmap processor should + be able to treat the end-of-file as an end-of-bitmap. + </td> + </tr> + + <tr> + <td><a href="rle8-height-negative.bmp">rle8-height-negative.bmp</a></td> + <td> + An RLE8 compressed bitmap with a negative height. + This is an illegal value: top-down images cannot be compressed. + However, many bitmap processors allow top-down compressed images. + </td> + </tr> + + <tr> + <td><a href="rle8-no-end-of-bitmap-marker.bmp">rle8-no-end-of-bitmap-marker.bmp</a></td> + <td> + An RLE8 compressed bitmap with no end-of-bitmap sequence. + This is techinically invalid, but the bitmap processor should + be able to treat the end-of-file as an end-of-bitmap. + </td> + </tr> + + </table> + </body> +</html> diff --git a/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-large.bmp b/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-large.bmp new file mode 100644 index 0000000..bccf281 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-large.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-negative.bmp b/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-negative.bmp new file mode 100644 index 0000000..538c440 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-negative.bmp differ diff --git a/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-zero.bmp b/tests/loaders/data/bmp/bitmaps/questionable/pels-per-meter-x-zero.bmp new file mode 100644 index 0000000..3818535 Binary files /dev/null and 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<title>Directory Listing</title> + </head> + <body> + <table border="1"> + + <tr> + <th>Filename</th> + <th>Description</th> + </tr> + + <tr> + <td><a href="1bpp-1x1.bmp">1bpp-1x1.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. The image is a single black pixel.</td> + </tr> + + <tr> + <td><a href="1bpp-320x240-color.bmp">1bpp-320x240-color.bmp</a></td> + <td>A bitmap that has 1 bit per pixel and a color palette.</td> + </tr> + + <tr> + <td><a href="1bpp-320x240-overlappingcolor.bmp">1bpp-320x240-overlappingcolor.bmp</a></td> + <td>A bitmap that has 1 bit per pixel and a color palette with colors that overlap.</td> + </tr> + + <tr> + <td><a href="1bpp-320x240.bmp">1bpp-320x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 0 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-321x240.bmp">1bpp-321x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 1 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-322x240.bmp">1bpp-322x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 2 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-323x240.bmp">1bpp-323x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 3 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-324x240.bmp">1bpp-324x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 4 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-325x240.bmp">1bpp-325x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 5 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-326x240.bmp">1bpp-326x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 6 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-327x240.bmp">1bpp-327x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 7 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-328x240.bmp">1bpp-328x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 8 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-329x240.bmp">1bpp-329x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 9 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-330x240.bmp">1bpp-330x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 10 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-331x240.bmp">1bpp-331x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 11 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-332x240.bmp">1bpp-332x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 12 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-333x240.bmp">1bpp-333x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 13 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-334x240.bmp">1bpp-334x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 14 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-335x240.bmp">1bpp-335x240.bmp</a></td> + <td>A bitmap that has 1 bit per pixel. Each scanline has 15 bits of padding.</td> + </tr> + + <tr> + <td><a href="1bpp-topdown-320x240.bmp">1bpp-topdown-320x240.bmp</a></td> + <td>A 'top down' uncompressed RGB bitmap that has 1 bit per pixel.</td> + </tr> + + <tr> + <td><a href="24bpp-1x1.bmp">24bpp-1x1.bmp</a></td> + <td>An uncompressed bitmap with 24 bits per pixel. The image is a single blue pixel.</td> + </tr> + + <tr> + <td><a href="24bpp-320x240.bmp">24bpp-320x240.bmp</a></td> + <td>An uncompressed bitmap with 24 bits per pixel. Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="24bpp-321x240.bmp">24bpp-321x240.bmp</a></td> + <td>An uncompressed bitmap with 24 bits per pixel. Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="24bpp-322x240.bmp">24bpp-322x240.bmp</a></td> + <td>An uncompressed bitmap with 24 bits per pixel. Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="24bpp-323x240.bmp">24bpp-323x240.bmp</a></td> + <td>An uncompressed bitmap with 24 bits per pixel. Each scanline has 1 bytes of padding.</td> + </tr> + + <tr> + <td><a href="24bpp-imagesize-zero.bmp">24bpp-imagesize-zero.bmp</a></td> + <td> + An uncompressed RGB bitmaps that has 24 bits-per-pixel. + The bitmap has a biSizeImage field of 0. + The bitmap specification allows the biSizeImage field to be zero + for uncompressed images. + </td> + </tr> + + <tr> + <td><a href="24bpp-topdown-320x240.bmp">24bpp-topdown-320x240.bmp</a></td> + <td>A 'top down' bitmap that has 24 bits per pixel.</td> + </tr> + + <tr> + <td><a href="32bpp-101110-320x240.bmp">32bpp-101110-320x240.bmp</a></td> + <td> + A bitmap that is 32 bpp uncompressed RGB. + This bitmap uses 10-11-10 RGB color masks. + </td> + </tr> + + <tr> + <td><a href="32bpp-1x1.bmp">32bpp-1x1.bmp</a></td> + <td>A bitmap that is 32 bpp uncompressed RGB. The image is a single blue pixel.</td> + </tr> + + <tr> + <td><a href="32bpp-320x240.bmp">32bpp-320x240.bmp</a></td> + <td>A bitmap that is 32 bpp uncompressed RGB.</td> + </tr> + + <tr> + <td><a href="32bpp-888-optimalpalette-320x240.bmp">32bpp-888-optimalpalette-320x240.bmp</a></td> + <td> + A bitmap that is 32 bpp uncompressed RGB. + This bitmap has three DWORD color masks, followed by an 'optimal color palette', + which is used for optimizing colors on palette-based devices. + </td> + </tr> + + <tr> + <td><a href="32bpp-optimalpalette-320x240.bmp">32bpp-optimalpalette-320x240.bmp</a></td> + <td> + A bitmap that is 32 bpp uncompressed RGB. + This bitmap has an 'optimal color palette', which is used for optimizing colors on + palette-based devices, but does NOT have any color masks. + It's unclear to me if this is well-formed or not. + </td> + </tr> + + <tr> + <td><a href="32bpp-topdown-320x240.bmp">32bpp-topdown-320x240.bmp</a></td> + <td>A 'top down' uncompressed RGB bitmap that has 32 bits per pixel.</td> + </tr> + + <tr> + <td><a href="4bpp-1x1.bmp">4bpp-1x1.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. The image is a single blue pixel.</td> + </tr> + + <tr> + <td><a href="4bpp-320x240.bmp">4bpp-320x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 0 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-321x240.bmp">4bpp-321x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 1 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-322x240.bmp">4bpp-322x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 2 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-323x240.bmp">4bpp-323x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 3 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-324x240.bmp">4bpp-324x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 4 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-325x240.bmp">4bpp-325x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 5 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-326x240.bmp">4bpp-326x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 6 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-327x240.bmp">4bpp-327x240.bmp</a></td> + <td>An uncompressed bitmap that has 4 bits per pixel. Each scanline has 7 nibbles of padding.</td> + </tr> + + <tr> + <td><a href="4bpp-topdown-320x240.bmp">4bpp-topdown-320x240.bmp</a></td> + <td>A 'top down' uncompressed RGB bitmap that has 4 bits per pixel.</td> + </tr> + + <tr> + <td><a href="555-1x1.bmp">555-1x1.bmp</a></td> + <td>A bitmap that is 5-5-5 uncompressed RGB The image is a single blue pixel.</td> + </tr> + + <tr> + <td><a href="555-320x240.bmp">555-320x240.bmp</a></td> + <td>A bitmap that is 5-5-5 uncompressed RGB Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="555-321x240.bmp">555-321x240.bmp</a></td> + <td>A bitmap that is 5-5-5 uncompressed RGB Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="565-1x1.bmp">565-1x1.bmp</a></td> + <td>A bitmap that is 5-6-5 uncompressed RGB The image is a single blue pixel.</td> + </tr> + + <tr> + <td><a href="565-320x240-topdown.bmp">565-320x240-topdown.bmp</a></td> + <td>A 'top down' bitmap that is 5-6-5 uncompressed RGB. Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="565-320x240.bmp">565-320x240.bmp</a></td> + <td>A bitmap that is 5-6-5 uncompressed RGB Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="565-321x240-topdown.bmp">565-321x240-topdown.bmp</a></td> + <td>A 'top down' bitmap that is 5-6-5 uncompressed RGB. Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="565-321x240.bmp">565-321x240.bmp</a></td> + <td>A bitmap that is 5-6-5 uncompressed RGB Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="565-322x240-topdown.bmp">565-322x240-topdown.bmp</a></td> + <td>A 'top down' bitmap that is 5-6-5 uncompressed RGB. Each scanline has 1 bytes of padding.</td> + </tr> + + <tr> + <td><a href="565-322x240.bmp">565-322x240.bmp</a></td> + <td>A bitmap that is 5-6-5 uncompressed RGB Each scanline has 1 bytes of padding.</td> + </tr> + + <tr> + <td><a href="8bpp-1x1.bmp">8bpp-1x1.bmp</a></td> + <td>An uncompressed RGB bitmap that has 8 bits per pixel. The image is a single blue pixel.</td> + </tr> + + <tr> + <td><a href="8bpp-1x64000.bmp">8bpp-1x64000.bmp</a></td> + <td>An uncompressed RGB bitmap that has 8 bits per pixel. The image is a very long, blue vertical line.</td> + </tr> + + <tr> + <td><a href="8bpp-320x240.bmp">8bpp-320x240.bmp</a></td> + <td>An uncompressed RGB bitmap that has 8 bits per pixel. Each scanline has 0 bytes of padding.</td> + </tr> + + <tr> + <td><a href="8bpp-321x240.bmp">8bpp-321x240.bmp</a></td> + <td>An uncompressed RGB bitmap that has 8 bits per pixel. Each scanline has 1 bytes of padding.</td> + </tr> + + <tr> + <td><a href="8bpp-322x240.bmp">8bpp-322x240.bmp</a></td> + <td>An uncompressed RGB bitmap that has 8 bits per pixel. Each scanline has 2 bytes of padding.</td> + </tr> + + <tr> + <td><a href="8bpp-323x240.bmp">8bpp-323x240.bmp</a></td> + <td>An uncompressed RGB bitmap that has 8 bits per pixel. Each scanline has 3 bytes of padding.</td> + </tr> + + <tr> + <td><a href="8bpp-colorsimportant-two.bmp">8bpp-colorsimportant-two.bmp</a></td> + <td> + An 8 bpp bitmap with five colors, but a 'biColorsImportant' field of 2. + This indicates that only black and white are important. + </td> + </tr> + + <tr> + <td><a href="8bpp-colorsused-zero.bmp">8bpp-colorsused-zero.bmp</a></td> + <td> + An 8 bpp bitmap with a 'biColorsUsed' field of 0. + This indicates that the palette contains 256 entries, which it does. + </td> + </tr> + + <tr> + <td><a href="8bpp-topdown-320x240.bmp">8bpp-topdown-320x240.bmp</a></td> + <td>A 'top down' uncompressed RGB bitmap that has 8 bits per pixel.</td> + </tr> + + <tr> + <td><a href="rle4-absolute-320x240.bmp">rle4-absolute-320x240.bmp</a></td> + <td> + A run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'absolute mode'. + </td> + </tr> + + <tr> + <td><a href="rle4-alternate-320x240.bmp">rle4-alternate-320x240.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'encoded mode'. + The runs encode alternating pixel colors, such as dithering would create. + </td> + </tr> + + <tr> + <td><a href="rle4-delta-320x240.bmp">rle4-delta-320x240.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 4 bits per pixel. + The bitmap uses 'delta escapes'. + </td> + </tr> + + <tr> + <td><a href="rle4-encoded-320x240.bmp">rle4-encoded-320x240.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'encoded mode'. + </td> + </tr> + + <tr> + <td><a href="rle8-64000x1.bmp">rle8-64000x1.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'encoded mode'. + The image is a very long red, green, and blue horizontal line.</td> + </tr> + + <tr> + <td><a href="rle8-absolute-320x240.bmp">rle8-absolute-320x240.bmp</a></td> + <td> + A run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'absolute mode'. + </td> + </tr> + + <tr> + <td><a href="rle8-blank-160x120.bmp">rle8-blank-160x120.bmp</a></td> + <td> + A simple run-length encoded bitmap consists of just an end-of-bitmap marker. + </td> + </tr> + + <tr> + <td><a href="rle8-delta-320x240.bmp">rle8-delta-320x240.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The bitmap uses 'delta escapes'. + </td> + </tr> + + <tr> + <td><a href="rle8-encoded-320x240.bmp">rle8-encoded-320x240.bmp</a></td> + <td> + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'encoded mode'. + </td> + </tr> + + </table> + </body> +</html> diff --git a/tests/loaders/data/bmp/bitmaps/valid/rle4-absolute-320x240.bmp b/tests/loaders/data/bmp/bitmaps/valid/rle4-absolute-320x240.bmp new file mode 100644 index 0000000..a08745f Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/valid/rle4-absolute-320x240.bmp differ diff 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a/tests/loaders/data/bmp/bitmaps/valid/rle8-encoded-320x240.bmp b/tests/loaders/data/bmp/bitmaps/valid/rle8-encoded-320x240.bmp new file mode 100644 index 0000000..15e6313 Binary files /dev/null and b/tests/loaders/data/bmp/bitmaps/valid/rle8-encoded-320x240.bmp differ diff --git a/tests/loaders/data/bmp/bmptestsuite.py b/tests/loaders/data/bmp/bmptestsuite.py new file mode 100644 index 0000000..9997fcd --- /dev/null +++ b/tests/loaders/data/bmp/bmptestsuite.py @@ -0,0 +1,3639 @@ +#!/usr/bin/env python +# +# Heavily based on http://sourceforge.net/projects/bmptestsuite/ +# by David Costanzo +# +# Redistributed under GPLv2 +# +# Copyright (C) 2012 Cyril Hrubis metan@ucw.cz +# + +import struct +import os +import stat +import errno +import string +import sys + +def _safe_create_dir(dirname): + "Create a directory named dirname, if it doesn't already exist" + try: + os.stat(dirname) + + except OSError as info: + if info.errno == errno.ENOENT: + os.mkdir(dirname) + else: + raise + + +def _safe_unlink(filename): + "Remove a file if it exists" + try: + os.unlink(filename) + + except OSError as info: + if info.errno != errno.ENOENT: + raise + +TOP_LEFT_LOGO = [] +TOP_LEFT_LOGO.append("........................................................") +TOP_LEFT_LOGO.append("........................................................") +TOP_LEFT_LOGO.append("...#######..###...####......#.....####..####..#######...") +TOP_LEFT_LOGO.append("......#....#...#..#...#.....#.....#.....#........#......") +TOP_LEFT_LOGO.append("......#....#...#..#...#.....#.....#.....#........#......") +TOP_LEFT_LOGO.append("......#....#...#..####......#.....###...###......#......") +TOP_LEFT_LOGO.append("......#....#...#..#.........#.....#.....#........#......") +TOP_LEFT_LOGO.append("......#....#...#..#.........#.....#.....#........#......") +TOP_LEFT_LOGO.append("......#.....###...#.........####..####..#........#......") +TOP_LEFT_LOGO.append("........................................................") +TOP_LEFT_LOGO.append("........................................................") + +class bitmap: + "The base class for all test bitmaps" + + SIZEOF_FILEINFOHEADER = 14 + + # values for Compression + BI_RGB = 0 + BI_RLE8 = 1 + BI_RLE4 = 2 + BI_BITFIELDS = 3 + BI_JPEG = 4 + BI_PNG = 5 + BI_ALPHABITFIELDS = 6 + + def __init__(self, bits_per_pixel, width, height): + self.bits_per_pixel = bits_per_pixel + self.width = width + self.height = height + self.palette = [] + self.pixeldata = '' + + # methods that make up the FILEINFOHEADER + def get_magic_number(self): + return b'BM' + + def get_filesize(self): + sizeof_fileinfoheader = self.SIZEOF_FILEINFOHEADER + sizeof_bitmapinfoheader = self.get_bitmap_info_header_size() + sizeof_palette = len(self.get_palette()) + sizeof_pixeldata = len(self.get_pixeldata()) + + return sizeof_fileinfoheader + sizeof_bitmapinfoheader + sizeof_palette + sizeof_pixeldata + + def get_reserved1(self): + return 0 + + def get_reserved2(self): + return 0 + + def get_offset_of_bitmap_data(self): + sizeof_fileinfoheader = self.SIZEOF_FILEINFOHEADER + sizeof_bitmapinfoheader = self.get_bitmap_info_header_size() + sizeof_palette = len(self.get_palette()) + + return sizeof_fileinfoheader + sizeof_bitmapinfoheader + sizeof_palette + + + def get_fileinfoheader(self): + "Return the packed BMPFILEINFOHEADER structure" + + magic_number = self.get_magic_number() + filesize = self.get_filesize() + reserved1 = self.get_reserved1() + reserved2 = self.get_reserved2() + offbits = self.get_offset_of_bitmap_data() + + fileinfoheader = struct.pack( + '<2sIHHi', + magic_number, + filesize, + reserved1, + reserved2, + offbits) + + return fileinfoheader + + + def get_bitmap_info_header_size(self): + return 40 + + def get_bits_per_pixel(self): + """ + Return the biBitCount to put into the BITMAPINFOHEADER. + This should be 1, 4, 8, or 24. + """ + return self.bits_per_pixel + + def get_width(self): + """ + Return the biWidth to put into the BITMAPINFOHEADER. + This is equal to the width of the bitmap, in pixels. + """ + return self.width + + def get_height(self): + "Return the height of bitmap to put into the BITMAPINFOHEADER" + return self.height + + def get_planes(self): + "Return the value of biPlanes in BITMAPINFOHEADER" + return 1 + + def get_compression(self): + "Return the biCompression to put into the BITMAPINFOHEADER" + return self.BI_RGB + + def get_image_size(self): + "Return the biSizeImage to put into the BITMAPINFOHEADER" + return len(self.get_pixeldata()) + + def get_pixels_per_meter_x(self): + "Return the biXPelsPerMeter to put into the BITMAPINFOHEADER" + return 1000 + + def get_pixels_per_meter_y(self): + "Return the biYPelsPerMeter to put into the BITMAPINFOHEADER" + return 1000 + + def get_colors_used(self): + "Return the biClrUsed to put into the BITMAPINFOHEADER" + # assume that we use all colors + return len(self.palette) + + def get_colors_important(self): + "Return the biClrImportant to put into the BITMAPINFOHEADER" + # assume that all colors are important + return 0 + + def get_bitmapinfoheader(self): + "Return the BITMAPINFOHEADER" + + size = self.get_bitmap_info_header_size() + width = self.get_width() + height = self.get_height() + planes = self.get_planes() + bits_per_pixel = self.get_bits_per_pixel() + compression = self.get_compression() + image_size = self.get_image_size() + pixels_per_meter_x = self.get_pixels_per_meter_x() + pixels_per_meter_y = self.get_pixels_per_meter_y() + colors_used = self.get_colors_used() + colors_important = self.get_colors_important() + + bitmapinfoheader = struct.pack( + '<IiihHIIiiII', + size, + width, + height, + planes, + bits_per_pixel, + compression, + image_size, + pixels_per_meter_x, + pixels_per_meter_y, + colors_used, + colors_important) + + return bitmapinfoheader + + def get_palette(self): + "Return the palette for bit depths <= 8" + + # Generate the packed palette from self.palette + # This will be the empty string if self.palette == [] + pack_string = '<' + 'I' * len(self.palette) + pack_params = [pack_string] + self.palette + + palette = struct.pack(pack_string, *self.palette) + + return palette + + def create_pixeldata(self): + "Return the pixel data" + + raise 'bitmap.create_pixeldata() should never be called' + + def create_raster(self): + "Return the image as a raster" + + raise 'bitmap.create_pixeldata() should never be called' + + def get_pixeldata(self): + """ + Create and cache the pixel data on the first call. + Return the cached value on all subsequent calls. + """ + + if not self.pixeldata: + self.pixeldata = self.create_pixeldata() + + return self.pixeldata + + + def get_scanline_padding_bits(self): + "Return how many bits are used to pad each scanline" + + alignment = 32 # All bitmap scanlines are DWORD aligned + + # start with the number of bits in all pixels in a row + padding_bits = alignment - (self.width * self.bits_per_pixel) % alignment + padding_bits = padding_bits % alignment + + return padding_bits + + + def apply_top_left_logo(self, image, on_value, off_value): + "Draw the TOP_LEFT_LOGO if there's enough room" + + # leave enough space for the 2 pixel border + x_offset = 2 + y_offset = 2 + + # only draw the logo if there's enough room + if len(TOP_LEFT_LOGO[0]) + x_offset <= self.width: + if len(TOP_LEFT_LOGO) + y_offset <= self.height: + + for row in range(0, len(TOP_LEFT_LOGO)): + # find the current row from the top of the image, + # based on if this is a top-down or a bottom-up raster + if (self.get_height() < 0): + # top-down image + current_row = image[row + y_offset] + else: + # bottom-up image + current_row = image[self.height - 1 - row - y_offset] + + + # set the pixels to "on" or "off" + for col in range(0, len(TOP_LEFT_LOGO[row])): + if (TOP_LEFT_LOGO[row][col] == '.'): + # change this pixel to black + current_row[col + x_offset] = on_value + else: + # change this pixel to white + current_row[col + x_offset] = off_value + + + def draw_double_border(self, image, outer_value, inner_value): + "Draw two single-pixel borders around the image" + + # image must be at least 5 x 5 to draw the border + if 5 <= self.height and 5 <= self.width: + + # draw the outer border + for col in range(0, self.width): + # top border + image[0][col] = outer_value + + # bottom border + image[self.height - 1][col] = outer_value + + for row in range(0, self.height): + # left border + image[row][0] = outer_value + + # right border + image[row][self.width - 1] = outer_value + + + # draw the inner border around the image + for col in range(1, self.width - 1): + # top border + image[1][col] = inner_value + + # bottom border + image[self.height - 2][col] = inner_value + + for row in range(1, self.height - 1): + # left border + image[row][1] = inner_value + + # right border + image[row][self.width - 2] = inner_value + + + def write(self, filename): + "Write the bitmap out to a file" + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + bmpfile.write(bmpinfoheader) + + palette = self.get_palette() + bmpfile.write(palette) + + pixeldata = self.get_pixeldata() + bmpfile.write(pixeldata) + + bmpfile.close() + + def write_croppped_bitmap(self, filename): + """ + Write the bitmap out to a file, but end the file short in the + middle of scaneline. + """ + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + bmpfile.write(bmpinfoheader) + + palette = self.get_palette() + bmpfile.write(palette) + + # crop the pixel data roughly in half + # really, crop it in the middle of a scanline + pixeldata = self.get_pixeldata() + crop_point = len(pixeldata) // 2 - (self.width * self.bits_per_pixel // 8) // 2 - 1 + content = pixeldata[0 : crop_point] + bmpfile.write(content) + + bmpfile.close() + + +class bitmap_32bpp(bitmap): + "A bitmap that is 32 bpp uncompressed RGB." + + def __init__(self, width, height): + bitmap.__init__(self, 32, width, height) + + def create_raster(self): + "Return the rasterized form of the canonical image in 32 bpp" + + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + # draw the color pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [struct.pack('<I', 0x00FF0000)] * red_width + row += [struct.pack('<I', 0x0000FF00)] * green_width + row += [struct.pack('<I', 0x000000FF)] * blue_width + + raster.append(row) + + # draw a border + self.draw_double_border( + raster, + struct.pack('<I', 0x00000000), + struct.pack('<I', 0x00FFFFFF)) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + struct.pack('<I', 0x00000000), + struct.pack('<I', 0x00FFFFFF)) + + return raster + + def create_pixeldata(self): + "Return the pixel data as uncompressed 32 bpp RGB" + + raster = self.create_raster() + + # concatenate the rows in the raster image into a flat buffer + pixeldata = '' + for row in raster: + pixeldata += string.join(row, '') + + return pixeldata + + +class bitmap_32bpp_topdown(bitmap_32bpp): + "A 'top down' uncompressed RGB bitmap that has 32 bits per pixel." + + def get_height(self): + # a negative value makes a bitmap top-down + return -self.height + + +class bitmap_32bpp_colortable(bitmap_32bpp): + """ + A bitmap that is 32 bpp uncompressed RGB. + This bitmap has an 'optimal color palette', which is used for optimizing colors on + palette-based devices, but does NOT have any color masks. + It's unclear to me if this is well-formed or not. + """ + + def __init__(self, width, height): + bitmap_32bpp.__init__(self, width, height) + + self.palette = [ + 0x00FF00FF, # magenta + 0x00000000, # black + 0x00FF0000, # red + 0x0000FF00, # green + 0x000000FF, # blue + 0x00FFFFFF] # white + + +class bitmap_32bpp_888_colortable(bitmap_32bpp): + """ + A bitmap that is 32 bpp uncompressed RGB. + This bitmap has three DWORD color masks, followed by an 'optimal color palette', + which is used for optimizing colors on palette-based devices. + """ + + def __init__(self, width, height): + bitmap_32bpp.__init__(self, width, height) + + self.palette = [ + 0x00FF0000, # red mask + 0x0000FF00, # green mask + 0x000000FF, # blue mask + + 0x00FF00FF, # magenta + 0x00000000, # black + 0x00FF0000, # red + 0x0000FF00, # green + 0x000000FF, # blue + 0x00FFFFFF] # white + + def get_colors_used(self): + "Return the biClrUsed to put into the BITMAPINFOHEADER" + # This only includes the optimized color palette--not the color masks. + return 6 + + def get_compression(self): + "Return the biCompression to put into the BITMAPINFOHEADER" + # must be BI_BITFIELDS because we have color masks + return self.BI_BITFIELDS + +class bitmap_32bpp_101110(bitmap): + """ + A bitmap that is 32 bpp uncompressed RGB. + This bitmap uses 10-11-10 RGB color masks. + """ + + def __init__(self, width, height): + bitmap.__init__(self, 32, width, height) + + self.palette = [ + 0x7FE00000, # red mask (10 bits) + 0x001FFC00, # green mask (11 bits) + 0x000003FF] # blue mask (10 bits) + + def get_compression(self): + "Return the biCompression to put into the BITMAPINFOHEADER" + return self.BI_BITFIELDS + + def get_colors_used(self): + "Return the biClrUsed to put into the BITMAPINFOHEADER" + return 0 + + def create_pixeldata(self): + "Return the pixel data as uncompressed 32 bpp RGB" + + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + # draw the color pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [struct.pack('<I', 0x7FE00000)] * red_width + row += [struct.pack('<I', 0x001FFC00)] * green_width + row += [struct.pack('<I', 0x000003FF)] * blue_width + + raster.append(row) + + # draw a border + self.draw_double_border( + raster, + struct.pack('<I', 0x00000000), + struct.pack('<I', 0x7FFFFFFF)) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + struct.pack('<I', 0x00000000), + struct.pack('<I', 0x7FFFFFFF)) + + # concatenate the rows in the raster image into a flat buffer + pixeldata = '' + for row in raster: + pixeldata += string.join(row, '') + + return pixeldata + +class bitmap_32bpp_croppedpixeldata(bitmap_32bpp): + """ + A 32 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + """ + + def write(self, filename): + self.write_croppped_bitmap(filename) + +class bitmap_24bpp(bitmap): + "An uncompressed bitmap with 24 bits per pixel. " + + def __init__(self, width, height): + bitmap.__init__(self, 24, width, height) + + def create_pixeldata(self): + "Return the pixel data as uncompressed 24 bpp RGB" + + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + pad_width_in_bytes = self.get_scanline_padding_bits() / 8 + + # draw the color pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += ['x00x00xFF'] * red_width + row += ['x00xFFx00'] * green_width + row += ['xFFx00x00'] * blue_width + + # pad the scanline to the nearest DWORD boundry + row += ['xCC'] * pad_width_in_bytes + + raster.append(row) + + # draw a border + self.draw_double_border( + raster, + 'x00x00x00', + 'xFFxFFxFF') + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + 'x00x00x00', + 'xFFxFFxFF') + + # concatenate the rows in the raster image into a flat buffer + pixeldata = '' + for row in raster: + pixeldata += string.join(row, '') + + return pixeldata + + +class bitmap_24bpp_topdown(bitmap_24bpp): + "A 'top down' bitmap that has 24 bits per pixel." + + def get_height(self): + # a negative value makes a bitmap top-down + return -self.height + +class bitmap_24bpp_zeroimagesize(bitmap_24bpp): + """ + An uncompressed RGB bitmaps that has 24 bits-per-pixel. + The bitmap has a biSizeImage field of 0. + The bitmap specification allows the biSizeImage field to be zero + for uncompressed images. + """ + + def get_image_size(self): + "Return the biSizeImage to put into the BITMAPINFOHEADER" + return 0 + +class bitmap_24bpp_croppedpixeldata(bitmap_24bpp): + """ + A 24 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + """ + + def write(self, filename): + self.write_croppped_bitmap(filename) + +class bitmap_555(bitmap): + "A bitmap that is 5-5-5 uncompressed RGB" + + def __init__(self, width, height): + bitmap.__init__(self, 16, width, height) + + def create_pixeldata(self): + "Return the pixel data as uncompressed 5-5-5 RGB" + + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + pad_width_in_bytes = self.get_scanline_padding_bits() / 8 + + # draw the color pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [struct.pack('<H', 0x7C00)] * red_width + row += [struct.pack('<H', 0x03E0)] * green_width + row += [struct.pack('<H', 0x001F)] * blue_width + + # pad the scanline to the nearest DWORD boundry + row += ['xCC'] * pad_width_in_bytes + + raster.append(row) + + # draw a border + self.draw_double_border( + raster, + 'x00x00', + 'xFFxFF') + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + 'x00x00', + 'xFFxFF') + + # concatenate the rows in the raster image into a flat buffer + pixeldata = '' + for row in raster: + pixeldata += string.join(row, '') + + return pixeldata + + +class bitmap_555_croppedpixeldata(bitmap_555): + """ + A 5-5-5 16 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + """ + + def write(self, filename): + self.write_croppped_bitmap(filename) + +class bitmap_565(bitmap): + "A bitmap that is 5-6-5 uncompressed RGB" + + def __init__(self, width, height): + bitmap.__init__(self, 16, width, height) + + # This is the bitfields (or bitmasks) + self.palette = [ + 0xF800, # 5 bits for red + 0x07E0, # 6 bits for green + 0x001F] # 5 bits for blue + + def get_compression(self): + "Return the biCompression to put into the BITMAPINFOHEADER" + return self.BI_BITFIELDS + + def get_colors_used(self): + "Return the biClrUsed to put into the BITMAPINFOHEADER" + return 0 + + def create_pixeldata(self): + "Return the pixel data as uncompressed 5-6-5 RGB" + + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + pad_width_in_bytes = self.get_scanline_padding_bits() / 8 + + # draw the color pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [struct.pack('<H', 0xF800)] * red_width + row += [struct.pack('<H', 0x07E0)] * green_width + row += [struct.pack('<H', 0x001F)] * blue_width + + # pad the scanline to the nearest DWORD boundry + row += ['xCC'] * pad_width_in_bytes + + raster.append(row) + + # draw a border + self.draw_double_border( + raster, + 'x00x00', + 'xFFxFF') + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + 'x00x00', + 'xFFxFF') + + # concatenate the rows in the raster image into a flat buffer + pixeldata = '' + for row in raster: + pixeldata += string.join(row, '') + + return pixeldata + + +class bitmap_565_topdown(bitmap_565): + "A 'top down' bitmap that is 5-6-5 uncompressed RGB." + + def get_height(self): + # a negative value makes a bitmap top-down + return -self.height + + + +class bitmap_8bpp(bitmap): + "An uncompressed RGB bitmap that has 8 bits per pixel." + + def __init__(self, width, height): + bitmap.__init__(self, 8, width, height) + + # Set the "0" pixel to magenta so we can test the + # difference between pixels we deliberately set to + # black and pixels that the bitmap processor left at 0. + self.palette = [ + 0x00FF00FF, # magenta + 0x00000000, # black + 0x00FF0000, # red + 0x0000FF00, # green + 0x000000FF, # blue + 0x00FFFFFF] # white + + self.INDEX_MAGENTA = 0 + self.INDEX_BLACK = 1 + self.INDEX_RED = 2 + self.INDEX_GREEN = 3 + self.INDEX_BLUE = 4 + self.INDEX_WHITE = 5 + + # TRANSPARENT_PIXEL is a special value that means + # "use a delta to skip beyond this pixel" + self.TRANSPARENT_PIXEL = -2 + + def create_pixeldata(self): + "Return the pixel data as uncompressed 8 bpp" + + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + pad_width_in_bytes = self.get_scanline_padding_bits() / 8 + + # draw the color pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [chr(self.INDEX_RED)] * red_width + row += [chr(self.INDEX_GREEN)] * green_width + row += [chr(self.INDEX_BLUE)] * blue_width + row += [chr(self.INDEX_MAGENTA)] * pad_width_in_bytes + + raster.append(row) + + # draw a border + self.draw_double_border( + raster, + chr(self.INDEX_BLACK), + chr(self.INDEX_WHITE)) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + chr(self.INDEX_BLACK), + chr(self.INDEX_WHITE)) + + # concatenate the rows in the raster image into a flat buffer + pixeldata = '' + for row in raster: + pixeldata += string.join(row, '') + + return pixeldata + + +class bitmap_8bpp_topdown(bitmap_8bpp): + "A 'top down' uncompressed RGB bitmap that has 8 bits per pixel." + + def get_height(self): + # a negative value makes a bitmap top-down + return -self.height + + + +class bitmap_8bpp_pixelnotinpalette(bitmap_8bpp): + """ + A bitmap that is 8 bits per pixel uncompressed RGB. + Many of the pixels are indexes that don't exist in the palette. + """ + + def __init__(self, width, height): + bitmap_8bpp.__init__(self, width, height) + + self.palette = [ + 0x00000000, # black + 0x00FFFFFF] # white + + def create_pixeldata(self): + "Return the pixel data as uncompressed 8 bpp" + + pad_width_in_bytes = self.get_scanline_padding_bits() / 8 + + palette_length = len(self.palette) + + # the raster loops through all 256 possible indices + raster = [] + for row in range(0, self.height): + + new_row = [] + for col in range(0, self.width + pad_width_in_bytes): + # don't draw anything in the palette + value = chr((col % (256 - palette_length) + palette_length)) + new_row.append(value) + + raster.append(new_row) + + # draw a border + self.draw_double_border( + raster, + chr(self.INDEX_BLACK), + chr(self.INDEX_WHITE)) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + chr(self.INDEX_BLACK), + chr(self.INDEX_WHITE)) + + # concatenate the rows in the raster image into a flat buffer + pixeldata = '' + for row in raster: + pixeldata += string.join(row, '') + + return pixeldata + + +class bitmap_8bpp_nopalette(bitmap_8bpp): + """ + A bitmap that has 8 bits per pixel and no palette. + This is an invalid bitmap, but a bitmap processor could use default colors. + """ + + def __init__(self, width, height): + bitmap_8bpp.__init__(self, width, height) + + # empty the palette + self.palette = [] + +class bitmap_8bpp_zerocolorsused(bitmap_8bpp): + """ + An 8 bpp bitmap with a 'biColorsUsed' field of 0. + This indicates that the palette contains 256 entries, which it does. + """ + + def __init__(self, width, height): + bitmap_8bpp.__init__(self, width, height) + + # fill the palette + while len(self.palette) < 256: + self.palette.append(0x00CCCCCC) + + def get_colors_used(self): + return 0 + +class bitmap_8bpp_largecolorsused(bitmap_8bpp): + """ + An 8 bpp bitmap with a very large 'biColorsUsed' field. + This is invalid--biColorsImportant shouldn't exceed 256. + This attempts to trick the bitmap processor into accessing invalid memory. + """ + def get_colors_used(self): + return 0xFFFFFFFF + +class bitmap_8bpp_negativecolorsused(bitmap_8bpp): + """ + An 8 bpp bitmap with a negative 'biColorsUsed' field. + This is invalid--biColorsImportant can't be below 0. + This attempts to trick the bitmap processor into accessing invalid memory. + """ + def get_colors_used(self): + # -1024 in 32 bit two complement + return 0xFFFFFC00 + +class bitmap_8bpp_twocolorsimportant(bitmap_8bpp): + """ + An 8 bpp bitmap with five colors, but a 'biColorsImportant' field of 2. + This indicates that only black and white are important. + """ + def get_colors_important(self): + return 2 + +class bitmap_8bpp_largecolorsimportant(bitmap_8bpp): + """ + An 8 bpp bitmap with five colors, but a very large 'biColorsImportant' field. + This is invalid--biColorsImportant shouldn't exceed biColorsUsed. + """ + def get_colors_important(self): + return 0xFFFFFFFF + +class bitmap_8bpp_negativecolorsimportant(bitmap_8bpp): + """ + An 8 bpp bitmap with a negative 'biColorsImportant' field. + This is invalid--biColorsImportant can't be below 0. + """ + def get_colors_used(self): + # -1024 in 32 bit two complement + return 0xFFFFFC0 + +class bitmap_8bpp_croppedpixeldata(bitmap_8bpp): + """ + An 8 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + """ + + def write(self, filename): + self.write_croppped_bitmap(filename) + +class bitmap_rle8(bitmap_8bpp): + "A base class for RLE8 bitmaps that implements some helpers routines." + + def get_compression(self): + "Return the biCompression to put into the BITMAPINFOHEADER" + return self.BI_RLE8 + + def create_absolute_run(self, row, offset, length): + "Return the 'absolute mode' encoding of a run of pixels" + + if length < 3: + raise 'bad length: %d' % length + + if 255 < length: + raise 'bad length: %d' % length + + # There are between 3 and 255 pixels left in this row. + + # Mark this run as an absolute encoding + encoded_run = 'x00' + chr(length) + + for i in range(0, length): + # Encode each pixel with absolute encoding. + encoded_run += chr(row[offset + i]) + + if len(encoded_run) % 2 != 0: + # pad the encoded run out to the nearest word boundry + encoded_run += 'x00' + + return encoded_run + + def create_encoded_run(self, run_length, pixel): + "Return the 'encoded mode' encoding of a run of pixels" + return chr(run_length) + chr(pixel) + + def create_end_of_line(self): + "Return the end-of-line escape sequence" + return 'x00x00' + + def create_end_of_bitmap(self): + "Return the end-of-bitmap escape sequence" + return 'x00x01' + + def create_delta(self, right, down): + "Return a delta escape sequence" + return 'x00x02' + chr(right) + chr(down) + + def create_pixeldata(self): + raise "this should not be called" + + def create_raster(self): + "Return a rasterized version of the 8bpp canonical image" + + # widths are in bytes (pixels) + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + # draw the pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [self.INDEX_RED] * red_width + row += [self.INDEX_GREEN] * green_width + row += [self.INDEX_BLUE] * blue_width + + raster.append(row) + + # draw a border + self.draw_double_border( + raster, + self.INDEX_BLACK, + self.INDEX_WHITE) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + self.INDEX_BLACK, + self.INDEX_WHITE) + + return raster + + +class bitmap_rle8_encoded(bitmap_rle8): + """ + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'encoded mode'. + """ + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 4 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + pixeldata += self.create_encoded_run(run_length, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + pixeldata += self.create_encoded_run(run_length, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_rle8_delta(bitmap_rle8): + """ + A simple run-length encoded bitmap that has 8 bits per pixel. + The bitmap uses 'delta escapes'. + """ + + def __init__(self, width, height): + bitmap_rle8.__init__(self, width, height) + + # fill the rest of the palette with grey + for i in range(len(self.palette), 256): + self.palette.append(0x00CCCCCC) + + def create_raster(self): + "Return a rastersized form of a bitmap that is good for making deltas" + + # widths are in bytes (pixels) + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + # draw the pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [self.INDEX_RED] * red_width + row += [self.TRANSPARENT_PIXEL] * green_width + row += [self.INDEX_BLUE] * blue_width + + raster.append(row) + + # draw an invisible border + self.draw_double_border( + raster, + self.TRANSPARENT_PIXEL, + self.TRANSPARENT_PIXEL) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + self.INDEX_BLACK, + self.INDEX_WHITE) + + return raster + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 8 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + + # check if the row contains nothing but transparent pixels + row_is_all_transparent = 1 + for col in range(0, len(raster[row])): + if raster[row][col] != self.TRANSPARENT_PIXEL: + row_is_all_transparent = 0 + break + + if row_is_all_transparent: + # the entire row is entirely transparent. Do a delta. + pixeldata += self.create_delta(0, 1) + + else: + # there are some non-transparent pixels in this row. + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + if prev_pixel == self.TRANSPARENT_PIXEL: + # this run is encoded as a delta + pixeldata += self.create_delta( + run_length, + 0) + else: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + + # We don't have to write a delta for transparent + # pixels because the end-of-line marker will take + # care of that. + if prev_pixel != self.TRANSPARENT_PIXEL: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_rle8_absolute(bitmap_rle8): + """ + A run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'absolute mode'. + """ + + def create_pixeldata(self): + "Return the pixel data as an RLE8 in absolute mode (uncompressed)" + + raster = self.create_raster() + + pixeldata = '' + for row in range(0, len(raster)): + + cur_row = raster[row] + + col = 0 + while col < len(cur_row): + remaining = len(cur_row) - col + if 255 < remaining: + # There are more than 255 pixels left in this row. + # Encode all 255 pixels. + pixeldata += self.create_absolute_run(cur_row, col, 255) + col += 255 + + elif 3 <= remaining: + # There are between 3 and 255 pixels left in this row. + # Encode them all with absolute encoding. + pixeldata += self.create_absolute_run(cur_row, col, remaining) + col += remaining + + else: + raise 'Unsupported width: %d' % remaining + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_rle8_blank(bitmap_rle8): + """ + A simple run-length encoded bitmap consists of just an end-of-bitmap marker. + """ + + def __init__(self, width, height): + bitmap_rle8.__init__(self, width, height) + + # fill the rest of the palette with grey + # so that we can see the difference between uninitialized + # memory and pixels that should be unspecified. + for i in range(len(self.palette), 256): + self.palette.append(0x00CCCCCC) + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 8 bpp" + + return self.create_end_of_bitmap() + + +class bitmap_rle8_noendofbitmap(bitmap_rle8_encoded): + """ + An RLE8 compressed bitmap with no end-of-bitmap sequence. + This is techinically invalid, but the bitmap processor should + be able to treat the end-of-file as an end-of-bitmap. + """ + + def create_end_of_bitmap(self): + return '' + + +class bitmap_rle8_topdown(bitmap_rle8_encoded): + """ + An RLE8 compressed bitmap with a negative height. + This is an illegal value: top-down images cannot be compressed. + However, many bitmap processors allow top-down compressed images. + """ + + def get_height(self): + return -self.height + + +class bitmap_rle8_toomuchdata(bitmap_rle8_encoded): + """ + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'encoded mode'. + It has twice as much data as it should. + Since the RLE8 format is mostly a series of drawing directives, + this tests that the RLE8 processor keeps memory access within + the size of the image. + """ + + def create_pixeldata(self): + "Return the pixel data as run-length encoded in 8 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + pixeldata += self.create_encoded_run(run_length, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + pixeldata += self.create_encoded_run(run_length, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # double the height of the image. + pixeldata *= 2 + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_rle8_deltaleavesimage(bitmap_rle8_encoded): + """ + A simple run-length encoded bitmap that has 8 bits per pixel. + The bitmap contains 'delta' escape sequences the leave the image. + The intent is to trick the processor into accessing invalid memory. + """ + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 8 bpp" + + # Tell the image processor to move off of the image + # before drawing anything. + pixeldata = '' + i = 0 + while i < self.height: + pixeldata += self.create_delta(255, 0) + i += 255 + + # draw the image + pixeldata += bitmap_rle8_encoded.create_pixeldata(self) + + return pixeldata + + +class bitmap_rle8_croppedrun(bitmap_rle8): + """ + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'encoded mode'. + The pixel data ends prematurely--in the middle of an encoded + escape sequence. + """ + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 8 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster) / 2): + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + pixeldata += self.create_encoded_run(run_length, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + pixeldata += self.create_encoded_run(run_length, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # append the cropped run + last_run = self.create_encoded_run(100, 2) + cropped_run = last_run[0 : len(last_run) - 1] + pixeldata += cropped_run + + return pixeldata + + +class bitmap_rle8_croppedabsolute(bitmap_rle8): + """ + A simple run-length encoded bitmap that has 8 bits per pixel. + The entire bitmap is in 'absolute mode'. + The pixel data ends prematurely--in the middle of an absolute + escape sequence. + """ + + def create_pixeldata(self): + "Return the pixel data as RLE8 encoded in 'absolute mode' (uncompressed)" + raster = self.create_raster() + + pixeldata = '' + for row in range(0, len(raster)): + + cur_row = raster[row] + + col = 0 + while col < len(cur_row): + remaining = len(cur_row) - col + if 255 < remaining: + # There are more than 255 pixels left in this row. + # Encode all 255 pixels. + absolute_run = self.create_absolute_run(cur_row, col, 255) + col += 255 + + elif 3 <= remaining: + # There are between 3 and 255 pixels left in this row. + # Encode them all with absolute encoding. + absolute_run = self.create_absolute_run(cur_row, col, remaining) + col += remaining + + else: + raise 'Unsupported width: %d' % remaining + + if len(raster) / 2 <= row: + # crop this encoding and return + cropped_run = absolute_run[0 : len(absolute_run) - 1] + pixeldata += cropped_run + return pixeldata + + # append this encoding and keep processing the current row + pixeldata += absolute_run + + # end-of-line + pixeldata += self.create_end_of_line() + + return pixeldata + +class bitmap_rle8_croppeddelta(bitmap_rle8_delta): + """ + A simple run-length encoded bitmap that has 8 bits per pixel. + The bitmap uses 'delta escapes'. + The file ends in the middle of a delta escape. + """ + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 8 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + + # check if the row contains nothing but transparent pixels + row_is_all_transparent = 1 + for col in range(0, len(raster[row])): + if raster[row][col] != self.TRANSPARENT_PIXEL: + row_is_all_transparent = 0 + break + + if row_is_all_transparent: + # the entire row is entirely transparent. Do a delta. + pixeldata += self.create_delta(0, 1) + + else: + # there are some non-transparent pixels in this row. + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + if prev_pixel == self.TRANSPARENT_PIXEL: + # this run is encoded as a delta + delta = self.create_delta( + run_length, + 0) + + if len(raster) / 2 <= row: + # we are half-way through the image. + # crop the delta and return what we have + cropped_delta = delta[0 : len(delta) - 1] + pixeldata += cropped_delta + return pixeldata + + pixeldata += delta + + else: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + + # We don't have to write a delta for transparent + # pixels because the end-of-line marker will take + # care of that. + if prev_pixel != self.TRANSPARENT_PIXEL: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_rle8_noendofline(bitmap_rle8_encoded): + """ + An RLE8 compressed bitmap with no end-of-line sequences. + It is unclear if a bitmap processor should implicitly add + end-of-line markers when the pixel run the row's width, + or if it should ignore all pixel data beyond the row's width. + """ + + def create_end_of_line(self): + return '' + + +class bitmap_4bpp(bitmap): + "An uncompressed bitmap that has 4 bits per pixel." + + def __init__(self, width, height): + bitmap.__init__(self, 4, width, height) + + # Set the "0" pixel to magenta so we can test the + # difference between pixels we deliberately set to + # black and pixels that the bitmap processor left at 0. + self.palette = [ + 0x00FF00FF, # magenta + 0x00000000, # black + 0x00FF0000, # red + 0x0000FF00, # green + 0x000000FF, # blue + 0x00FFFFFF] # white + + self.INDEX_MAGENTA = 0 + self.INDEX_BLACK = 1 + self.INDEX_RED = 2 + self.INDEX_GREEN = 3 + self.INDEX_BLUE = 4 + self.INDEX_WHITE = 5 + + # TRANSPARENT_PIXEL is a special value that means + # "use a delta to skip beyond this pixel" + self.TRANSPARENT_PIXEL = -2 + + def create_pixeldata(self): + "Return the pixel data as uncompressed 4 bpp" + + # widths are in nibbles (pixels) + red_width = self.width // 3 + green_width = self.width // 3 + blue_width = self.width - (red_width + green_width) + + pad_width = self.get_scanline_padding_bits() // 4 + + # draw the pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [self.INDEX_RED] * red_width + row += [self.INDEX_GREEN] * green_width + row += [self.INDEX_BLUE] * blue_width + row += [self.INDEX_MAGENTA] * pad_width + + raster.append(row) + + # draw a border + self.draw_double_border(raster, self.INDEX_BLACK, self.INDEX_WHITE) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo(raster, self.INDEX_BLACK, self.INDEX_WHITE) + + pixeldata = '' + for row in range(0, len(raster)): + + # a closure for helping to add runs to the image + class nibblestream: + def __init__(self): + self.nextByte = 0 + self.index = 0 + self.scanline = '' + + def appendnibble(self, value): + # shift the byte over and OR-in the low bit + self.nextByte = (self.nextByte << 4) | value + self.index += 4 + + if (self.index == 8): + # this byte is full--write it + self.scanline += chr(self.nextByte) + self.nextByte = 0 + self.index = 0 + + appender = nibblestream() + for col in range(0, len(raster[row])): + appender.appendnibble(raster[row][col]) + pixeldata += appender.scanline + + return pixeldata + + +class bitmap_4bpp_topdown(bitmap_4bpp): + "A 'top down' uncompressed RGB bitmap that has 4 bits per pixel." + + def get_height(self): + # a negative value makes a bitmap top-down + return -self.height + +class bitmap_4bpp_croppedpixeldata(bitmap_4bpp): + """ + An 4 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + """ + + def write(self, filename): + self.write_croppped_bitmap(filename) + + +class bitmap_rle4(bitmap_4bpp): + "A base class for RLE4 bitmaps that implements some helpers routines." + + def get_compression(self): + "Return the biCompression to put into the BITMAPINFOHEADER" + return self.BI_RLE4 + + def create_absolute_run(self, row, offset, length): + "Return the 'absolute mode' encoding of a run of pixels" + + if length < 3: + raise 'bad length: %d' % length + + if 255 < length: + raise 'bad length: %d' % length + + # There are between 3 and 255 pixels left in this row. + + # Mark this run as an absolute encoding + encoded_run = 'x00' + chr(length) + + for i in range(0, length / 2): + # Encode each pixel with absolute encoding. + byte = (row[offset + 2 * i] << 4) | (row[offset + 2 * i + 1]) + encoded_run += chr(byte) + + if length % 2 != 0: + # We have one pixel left, which fills half a byte. + byte = row[offset + length - 1] << 4 + encoded_run += chr(byte) + + if len(encoded_run) % 2 != 0: + # pad the encoded run out to the nearest word boundry + encoded_run += 'x00' + + return encoded_run + + def create_encoded_run(self, run_length, pixel1, pixel2): + "Return the 'encoded mode' encoding of a run of pixels" + return chr(run_length) + chr((pixel1 << 4) | pixel2) + + def create_end_of_line(self): + "Return the end-of-line escape sequence" + return 'x00x00' + + def create_end_of_bitmap(self): + "Return the end-of-bitmap escape sequence" + return 'x00x01' + + def create_delta(self, down, right): + "Return a delta escape sequence" + return 'x00x02' + chr(down) + chr(right) + + def create_pixeldata(self): + raise "this should not be called" + + def create_raster(self): + "Return a rasterized version of the 4bpp canonical image" + + # widths are in nibbles (pixels) + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + # draw the pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [self.INDEX_RED] * red_width + row += [self.INDEX_GREEN] * green_width + row += [self.INDEX_BLUE] * blue_width + + raster.append(row) + + # draw a border + self.draw_double_border(raster, self.INDEX_BLACK, self.INDEX_WHITE) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo(raster, self.INDEX_BLACK, self.INDEX_WHITE) + + return raster + + +class bitmap_rle4_encoded(bitmap_rle4): + """ + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'encoded mode'. + """ + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 4 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + pixeldata += self.create_encoded_run(run_length, prev_pixel, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + pixeldata += self.create_encoded_run(run_length, prev_pixel, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_rle4_absolute(bitmap_rle4): + """ + A run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'absolute mode'. + """ + + def create_pixeldata(self): + "Return the pixel data as RLE4 encoded in 'absolute mode' (uncompressed)" + + raster = self.create_raster() + + pixeldata = '' + for row in range(0, len(raster)): + + cur_row = raster[row] + + col = 0 + while col < len(cur_row): + remaining = len(cur_row) - col + if 255 < remaining: + # There are more than 255 pixels left in this row. + # Encode all 255 pixels. + pixeldata += self.create_absolute_run(cur_row, col, 255) + col += 255 + + elif 3 <= remaining: + # There are between 3 and 255 pixels left in this row. + # Encode them all with absolute encoding. + pixeldata += self.create_absolute_run(cur_row, col, remaining) + col += remaining + + else: + raise 'Unsupported width: %d' % remaining + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + + +class bitmap_rle4_alternate(bitmap_rle4): + """ + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'encoded mode'. + The runs encode alternating pixel colors, such as dithering would create. + """ + + def __init__(self, width, height): + bitmap_rle4.__init__(self, width, height) + + self.palette = [ + 0x00000000, # black + 0x00000000, # black + 0x00FF0000, # red + 0x0000FF00, # green + 0x000000FF, # blue + 0x00FF0000, # red + 0x00FFFFFF, # white + 0x00FFFFFF] # white + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 4 bpp" + + # widths are in nibbles (pixels) + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + # draw the pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [2] * red_width + row += [3] * green_width + row += [4] * blue_width + + raster.append(row) + + # draw a border + self.draw_double_border(raster, 0, 6) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo(raster, 0, 6) + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + pixeldata += self.create_encoded_run( + run_length, + prev_pixel, + prev_pixel + 1) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + pixeldata += self.create_encoded_run( + run_length, + prev_pixel, + prev_pixel + 1) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_rle4_delta(bitmap_rle4): + """ + A simple run-length encoded bitmap that has 4 bits per pixel. + The bitmap uses 'delta escapes'. + """ + + def __init__(self, width, height): + bitmap_rle4.__init__(self, width, height) + + # fill the rest of the palette with grey + # so that we can see the difference between uninitialized + # memory and pixels that should be unspecified. + for i in range(len(self.palette), 16): + self.palette.append(0x00CCCCCC) + + def create_raster(self): + "Return a raster that is suitable for creating an RLE image with deltas" + + # widths are in bytes (pixels) + red_width = self.width / 3 + green_width = self.width / 3 + blue_width = self.width - (red_width + green_width) + + # draw the pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [self.INDEX_RED] * red_width + row += [self.TRANSPARENT_PIXEL] * green_width + row += [self.INDEX_BLUE] * blue_width + + raster.append(row) + + # draw an invisible border + self.draw_double_border( + raster, + self.TRANSPARENT_PIXEL, + self.TRANSPARENT_PIXEL) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo( + raster, + self.INDEX_BLACK, + self.INDEX_WHITE) + + return raster + + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 8 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + + # check if the row contains nothing but transparent pixels + row_is_all_transparent = 1 + for col in range(0, len(raster[row])): + if raster[row][col] != self.TRANSPARENT_PIXEL: + row_is_all_transparent = 0 + break + + if row_is_all_transparent: + # the entire row is entirely transparent. Do a delta. + pixeldata += self.create_delta(0, 1) + + else: + # there are some non-transparent pixels in this row. + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + if prev_pixel == self.TRANSPARENT_PIXEL: + # this run is encoded as a delta + pixeldata += self.create_delta( + run_length, + 0) + else: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + + # We don't have to write a delta for transparent + # pixels because the end-of-line marker will take + # care of that. + if prev_pixel != self.TRANSPARENT_PIXEL: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + +class bitmap_rle4_topdown(bitmap_rle4_encoded): + """ + An RLE4 compressed bitmap with a negative height. + This is an illegal bitmap: top-down images cannot be compressed. + Still, many bitmap processors can understand it. + """ + + def get_height(self): + return -self.height + + +class bitmap_rle4_noendofline(bitmap_rle4_encoded): + """ + An RLE4 compressed bitmap with no end-of-line sequences. + It is unclear if a bitmap processor should implicitly add + end-of-line markers when the pixel run the row's width, + or if it should ignore all pixel data beyond the row's width. + """ + + def create_end_of_line(self): + return '' + +class bitmap_rle4_noendofbitmap(bitmap_rle4_encoded): + """ + An RLE4 compressed bitmap with no end-of-bitmap sequence. + This is techinically invalid, but the bitmap processor should + be able to treat the end-of-file as an end-of-bitmap. + """ + + def create_end_of_bitmap(self): + return '' + + +class bitmap_rle4_croppedrun(bitmap_rle4): + """ + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'encoded mode'. + The pixel data ends prematurely--in the middle of an encoded + escape sequence. + """ + + def create_pixeldata(self): + "Return the pixel data as run-length encoded 4 bpp" + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster) / 2): + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + pixeldata += self.create_encoded_run(run_length, prev_pixel, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + pixeldata += self.create_encoded_run(run_length, prev_pixel, prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # append the cropped run + last_run = self.create_encoded_run(100, 1, 2) + cropped_run = last_run[0 : len(last_run) - 1] + pixeldata += cropped_run + + return pixeldata + +class bitmap_rle4_croppedabsolute(bitmap_rle4): + """ + A simple run-length encoded bitmap that has 4 bits per pixel. + The entire bitmap is in 'absolute mode'. + The pixel data ends prematurely--in the middle of an absolute + escape sequence. + """ + + def create_pixeldata(self): + "Return the pixel data as RLE4 encoded in 'absolute mode' (uncompressed)" + raster = self.create_raster() + + pixeldata = '' + for row in range(0, len(raster)): + + cur_row = raster[row] + + col = 0 + while col < len(cur_row): + remaining = len(cur_row) - col + if 255 < remaining: + # There are more than 255 pixels left in this row. + # Encode all 255 pixels. + absolute_run = self.create_absolute_run(cur_row, col, 255) + col += 255 + + elif 3 <= remaining: + # There are between 3 and 255 pixels left in this row. + # Encode them all with absolute encoding. + absolute_run = self.create_absolute_run(cur_row, col, remaining) + col += remaining + + else: + raise 'Unsupported width: %d' % remaining + + if len(raster) / 2 <= row: + # crop this encoding and return + cropped_run = absolute_run[0 : len(absolute_run) - 1] + pixeldata += cropped_run + return pixeldata + + # append this encoding and keep processing the current row + pixeldata += absolute_run + + # end-of-line + pixeldata += self.create_end_of_line() + + return pixeldata + +class bitmap_rle4_croppeddelta(bitmap_rle4_delta): + """ + A simple run-length encoded bitmap that has 4 bits per pixel. + The bitmap uses 'delta escapes'. + The file ends in the middle of a delta escape. + """ + + def create_pixeldata(self): + """ + Return the pixel data as run-length encoded 4 bpp that ends in the + middle of a delta escape sequence + """ + + raster = self.create_raster() + + pixeldata = '' + run_length = 0 + prev_pixel = -1 + for row in range(0, len(raster)): + + # check if the row contains nothing but transparent pixels + row_is_all_transparent = 1 + for col in range(0, len(raster[row])): + if raster[row][col] != self.TRANSPARENT_PIXEL: + row_is_all_transparent = 0 + break + + if row_is_all_transparent: + # the entire row is entirely transparent. Do a delta. + pixeldata += self.create_delta(0, 1) + + else: + # there are some non-transparent pixels in this row. + for col in range(0, len(raster[row])): + + cur_pixel = raster[row][col] + + if run_length == 255 or (run_length != 0 and prev_pixel != cur_pixel): + # There's no more room on this run OR + # The current run has ended. + + # Write the run and start a new one + if prev_pixel == self.TRANSPARENT_PIXEL: + # this run is encoded as a delta + delta = self.create_delta( + run_length, + 0) + + if len(raster) / 2 <= row: + # we are half-way through the image. + # crop the delta and return what we have + cropped_delta = delta[0 : len(delta) - 1] + pixeldata += cropped_delta + return pixeldata + + pixeldata += delta + + else: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + + if run_length == 0: + # start a new run + prev_pixel = cur_pixel + run_length = 1 + + elif prev_pixel == raster[row][col]: + # continue this run + run_length += 1 + + # flush the last run + if run_length != 0: + + # We don't have to write a delta for transparent + # pixels because the end-of-line marker will take + # care of that. + if prev_pixel != self.TRANSPARENT_PIXEL: + # this run is encoded as a regular run + pixeldata += self.create_encoded_run( + run_length, + prev_pixel, + prev_pixel) + + run_length = 0 + prev_pixel = -1 + + # end-of-line + pixeldata += self.create_end_of_line() + + # end-of-bitmap + pixeldata += self.create_end_of_bitmap() + + return pixeldata + + +class bitmap_4bpp_nopalette(bitmap_4bpp): + """ + A bitmap that has 4 bit per pixel and no palette. + This is an invalid bitmap, but a bitmap processor could use default colors. + """ + + def __init__(self, width, height): + bitmap_4bpp.__init__(self, width, height) + + # empty the palette + self.palette = [] + + +class bitmap_1bpp(bitmap): + "A bitmap that has 1 bit per pixel." + + def __init__(self, width, height): + bitmap.__init__(self, 1, width, height) + + self.palette = [ + 0x00000000, # black + 0x00FFFFFF] # white + + def create_pixeldata(self): + "Return the pixel data as uncompressed 1 bpp." + + # widths are in bits (pixels) + stripe1_width = self.width // 3 + stripe2_width = self.width // 3 + stripe3_width = self.width - (stripe1_width + stripe2_width) + + pad_width_in_bits = self.get_scanline_padding_bits() + + # draw the pattern + raster = [] + for i in range(0, self.height): + + row = [] + row += [0] * stripe1_width + row += [1] * stripe2_width + row += [0] * stripe3_width + row += [1] * pad_width_in_bits + + raster.append(row) + + # draw a border + self.draw_double_border(raster, 0, 1) + + # add in the TOP_LEFT_LOGO + self.apply_top_left_logo(raster, 0, 1) + + + pixeldata = b'' + for row in range(0, len(raster)): + + # a closure for helping to add runs to the image + class bitstream: + def __init__(self): + self.nextByte = 0 + self.index = 0 + self.scanline = b'' + + def appendbit(self, value): + # shift the byte over and OR-in the low bit + self.nextByte = (self.nextByte << 1) | value + self.index += 1 + + if (self.index == 8): + # this byte is full--write it + self.scanline += chr(self.nextByte) + self.nextByte = 0 + self.index = 0 + + appender = bitstream() + for col in range(0, len(raster[row])): + appender.appendbit(raster[row][col]) + pixeldata += appender.scanline + + return pixeldata + +class bitmap_1bpp_topdown(bitmap_1bpp): + "A 'top down' uncompressed RGB bitmap that has 1 bit per pixel." + + def get_height(self): + # a negative value makes a bitmap top-down + return -self.height + + +class bitmap_1bpp_color(bitmap_1bpp): + "A bitmap that has 1 bit per pixel and a color palette." + + def __init__(self, width, height): + bitmap_1bpp.__init__(self, width, height) + + self.palette = [ + 0x00FFF000, # yellow + 0x00000FFF] # mostly blue + +class bitmap_1bpp_overlappingcolor(bitmap_1bpp): + "A bitmap that has 1 bit per pixel and a color palette with colors that overlap." + + def __init__(self, width, height): + bitmap_1bpp.__init__(self, width, height) + + self.palette = [ + 0x00FFFF00, # yellow + 0x0000FFFF] # cyan + +class bitmap_1bpp_nopalette(bitmap_1bpp): + """ + A bitmap that has 1 bit per pixel and no palette. + This is technically invalid, but a bitmap processor could default to black and white. + """ + + def __init__(self, width, height): + bitmap_1bpp.__init__(self, width, height) + + # empty the palette + self.palette = [] + + +class bitmap_1bpp_palettetoobig(bitmap_1bpp): + "A bitmap that has 1 bit per pixel that has a palette with 5000 colors." + + def __init__(self, width, height): + bitmap_1bpp.__init__(self, width, height) + + for i in range(0,5000): + self.palette.append(i) + +class bitmap_1bpp_croppedpixeldata(bitmap_1bpp): + """ + A 1 bpp bitmap that ends in the middle of the pixel data. + This tests that what happens when a call to fread() fails. + This bitmap processor should probably process the data that + it does have AND display a diagnostic. + """ + + def write(self, filename): + self.write_croppped_bitmap(filename) + + +class bitmap_width_height_overflow(bitmap_565): + """ + A bitmap whose reported width and height cause a 32bit overflow when + they are multiplied together. + This tries to trick the image processor into allocating a very small + buffer that it thinks is very large. + """ + + def get_width(self): + return 0x10000 + + def get_height(self): + return 0x10000 + +class bitmap_emptyfile(bitmap_1bpp): + """ + A zero-byte file. + This tests that what happens when the first call to fread() fails. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + bmpfile.close() + +class bitmap_badmagicnumber(bitmap_1bpp): + """ + A bitmap with an invalid magic number (it uses 'Bm' instead of 'BM') + A bitmap processor that ignores this field is probably trusting the file extension + or doing a case-insensitive compare. + """ + + def get_magic_number(self): + "return the bad magic number" + return 'Bm' + + +class bitmap_croppedmagicnumber(bitmap_1bpp): + """ + A one byte bitmap that only contains the 'B' of the magic number. + This tests that what happens when the first call to fread() returns + fewer bytes than expected. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + bmpfile.write('B') + bmpfile.close() + +class bitmap_badfilesize(bitmap_1bpp): + """ + A bitmap with a filesize that's half of what it should be. + Most bitmap processors ignore this field. + """ + + def get_filesize(self): + "Return a filesize that is half of what it should be" + return bitmap_1bpp.get_filesize(self) / 2 + + +class bitmap_zerofilesize(bitmap_1bpp): + """ + A bitmap with an filesize of 0. + Most bitmap processors ignore this field. + """ + + def get_filesize(self): + return 0 + +class bitmap_badreserved1(bitmap_1bpp): + """ + A bitmap with an 'wReserved1' field that is not 0. + This is technically illegal, but most bitmap processors ignore this field. + """ + + def get_reserved1(self): + return 1 + +class bitmap_badreserved2(bitmap_1bpp): + """ + A bitmap with an 'wReserved2' field that is not 0. + This is technically illegal, but most bitmap processors ignore this field. + """ + + def get_reserved2(self): + return 1 + +class bitmap_negativeoffbits(bitmap_1bpp): + """ + A bitmap with an 'dwOffBits' field that is -1. + This is supposed to be interpreted as an unsigned value, so it will + either be understood as a very large (illegal) value, + or a negative value (also illegal). + """ + + def get_offset_of_bitmap_data(self): + return -1 + +class bitmap_largeoffbits(bitmap_1bpp): + """ + A bitmap with an 'dwOffBits' field that is larger than the file size. + """ + + def get_offset_of_bitmap_data(self): + return self.get_filesize() + 1 + + +class bitmap_zerooffbits(bitmap_1bpp): + """ + A bitmap with an 'dwOffBits' field that is 0. + A bitmap processor may recover from this by assuming that the pixel data + immediately follows the palette. + """ + + def get_offset_of_bitmap_data(self): + return 0 + +class bitmap_croppedfileinfoheader(bitmap_1bpp): + """ + A bitmap that is one byte short of having a complete fileinfoheader. + This tests that what happens when fread() returns fewer bytes + than expected. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + + # remove the last byte of the FILEINFOHEADER + content = fileinfoheader[0 : len(fileinfoheader) - 1] + bmpfile.write(content) + + # don't write anything else. + bmpfile.close() + +class bitmap_missinginfoheader(bitmap_1bpp): + """ + A bitmap file that is so short that it doesn't include a BITMAPINFOHEADER. + This tests that what happens when a call to fread() fails. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + # don't write any other part of the bitmap + bmpfile.close() + +class bitmap_croppedinfoheader(bitmap_1bpp): + """ + A bitmap that is one byte short of having a complete BITMAPINFOHEADER. + This tests that what happens when fread() returns fewer bytes + than expected. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + + # remove the last byte of the BITMAPINFOHEADER + content = bmpinfoheader[0 : len(bmpinfoheader) - 1] + bmpfile.write(content) + + # don't write any other part of the bitmap + bmpfile.close() + +class bitmap_smallbmpinfoheadersize(bitmap_1bpp): + """ + A bitmap with a 'biSize' field in its BMPINFOHEADER that is too small. + """ + + def get_bitmap_info_header_size(self): + return 24 + + def get_bitmapinfoheader(self): + "Return the short BITMAPINFOHEADER" + + size = self.get_bitmap_info_header_size() + width = self.get_width() + height = self.get_height() + planes = self.get_planes() + bits_per_pixel = self.get_bits_per_pixel() + compression = self.get_compression() + image_size = self.get_image_size() + + bitmapinfoheader = struct.pack( + '<IiihhII', + size, + width, + height, + planes, + bits_per_pixel, + compression, + image_size) + + return bitmapinfoheader + +class bitmap_largebmpinfoheadersize(bitmap_1bpp): + """ + A bitmap with a 'biSize' field in its BMPINFOHEADER that is too large. + """ + + def get_bitmap_info_header_size(self): + return 64 * 1024 * 1024 + +class bitmap_zerobmpinfoheadersize(bitmap_1bpp): + """ + A bitmap with a 'biSize' field in its BMPINFOHEADER that is 0. + """ + + def get_bitmap_info_header_size(self): + return 0 + + +class bitmap_zeroheight(bitmap_1bpp): + """ + A bitmap with a 'biHeight' field in its BMPINFOHEADER that is 0. + """ + + def get_height(self): + return 0 + +class bitmap_zerowidth(bitmap_1bpp): + """ + A bitmap with a 'biWidth' field in its BMPINFOHEADER that is 0. + """ + + def get_width(self): + return 0 + +class bitmap_negativewidth(bitmap_1bpp): + """ + A bitmap with a negative 'biWidth' field in its BMPINFOHEADER. + """ + + def get_width(self): + return -self.width + +class bitmap_zeroplanes(bitmap_1bpp): + """ + A bitmap with a 'biPlanes' field in its BMPINFOHEADER that is zero. + This is an invalid bitmap, but many bitmap processors ignore this field. + """ + + def get_planes(self): + return 0 + +class bitmap_largeplanes(bitmap_1bpp): + """ + A bitmap with a 'biPlanes' field in its BMPINFOHEADER that is large. + This is an invalid bitmap, but many bitmap processors ignore this field. + """ + + def get_planes(self): + return 5000 + + +class bitmap_oddbitdepth(bitmap_8bpp): + """ + A bitmap with a 'biBitCount' field in its BMPINFOHEADER that is odd. + """ + + def get_bits_per_pixel(self): + return 7 + +class bitmap_zerobitdepth(bitmap_1bpp): + """ + A bitmap with a 'biBitCount' field in its BMPINFOHEADER that is 0. + """ + + def get_bits_per_pixel(self): + return 0 + +class bitmap_largebitdepth(bitmap_1bpp): + """ + A bitmap with a 'biBitCount' field in its BMPINFOHEADER that is very large. + This attempts to trick the bitmap processor into thinking the bit depth is negative. + """ + + def get_bits_per_pixel(self): + return 0xFFFF + +class bitmap_unknowncompression(bitmap_1bpp): + """ + A bitmap with an unrecognized 'biCompression' field. + """ + + def get_compression(self): + return 0xFFFFFFFF + +class bitmap_4bpp_rle8compression(bitmap_rle4_encoded): + """ + A 4 bpp bitmap with a 'biCompression' field of BI_RLE8. + Only 8 bpp bitmaps may use BI_RLE8. + """ + + def get_compression(self): + return self.BI_RLE8 + + +class bitmap_8bpp_rle4compression(bitmap_rle8_encoded): + """ + An 8 bpp bitmap with a 'biCompression' field of BI_RLE4. + Only 4 bpp bitmaps may use BI_RLE4. + """ + + def get_compression(self): + return self.BI_RLE4 + +class bitmap_8bpp_zeroxpelspermeter(bitmap_8bpp): + """ + An 8 bpp bitmap with a 'biXPelsPerMeter' field of 0. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + """ + + def get_pixels_per_meter_x(self): + "Return the biXPelsPerMeter to put into the BITMAPINFOHEADER" + return 0 + +class bitmap_8bpp_negativexpelspermeter(bitmap_8bpp): + """ + An 8 bpp bitmap with a negative 'biXPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + """ + + def get_pixels_per_meter_x(self): + "Return the biXPelsPerMeter to put into the BITMAPINFOHEADER" + return -10000 + +class bitmap_8bpp_largexpelspermeter(bitmap_8bpp): + """ + An 8 bpp bitmap with a large 'biXPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + """ + + def get_pixels_per_meter_x(self): + "Return the biXPelsPerMeter to put into the BITMAPINFOHEADER" + return 0x7FFFFFFF + +class bitmap_8bpp_zeroypelspermeter(bitmap_8bpp): + """ + An 8 bpp bitmap with a 'biYPelsPerMeter' field of 0. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + """ + + def get_pixels_per_meter_y(self): + "Return the biYPelsPerMeter to put into the BITMAPINFOHEADER" + return 0 + +class bitmap_8bpp_negativeypelspermeter(bitmap_8bpp): + """ + An 8 bpp bitmap with a negative 'biYPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + """ + + def get_pixels_per_meter_y(self): + "Return the biYPelsPerMeter to put into the BITMAPINFOHEADER" + return -10000 + +class bitmap_8bpp_largeypelspermeter(bitmap_8bpp): + """ + An 8 bpp bitmap with a large 'biYPelsPerMeter' field. + Most bitmap processors ignore this field, but it is most likely used when + printing the image. + """ + + def get_pixels_per_meter_y(self): + "Return the biYPelsPerMeter to put into the BITMAPINFOHEADER" + return 0x7FFFFFF + + + +class bitmap_missingpalette(bitmap_1bpp): + """ + A bitmap file that is so short that it doesn't include the palette. + This tests that what happens when a call to fread() fails. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + bmpfile.write(bmpinfoheader) + + # don't write any other part of the bitmap + bmpfile.close() + +class bitmap_croppedpalette(bitmap_1bpp): + """ + A bitmap that is one byte short of having a complete palette. + This tests that what happens when fread() returns fewer bytes + than expected. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + bmpfile.write(bmpinfoheader) + + palette = self.get_palette() + + # remove the last byte of the BITMAPINFOHEADER + content = palette[0 : len(palette) - 1] + bmpfile.write(content) + + # don't write any other part of the bitmap + bmpfile.close() + +class bitmap_missingcolormasks(bitmap_565): + """ + A BI_BITFIELDS bitmap file that is so short that it doesn't include the + colormask array. + This tests that what happens when a call to fread() fails. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + bmpfile.write(bmpinfoheader) + + # don't write any other part of the bitmap + bmpfile.close() + +class bitmap_croppedcolormasks(bitmap_565): + """ + A BI_BITFIELDS bitmap that is one byte short of having a complete + colormask array. + This tests that what happens when fread() returns fewer bytes + than expected. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + bmpfile.write(bmpinfoheader) + + palette = self.get_palette() + + # remove the last byte of the BITMAPINFOHEADER + content = palette[0 : len(palette) - 1] + bmpfile.write(content) + + # don't write any other part of the bitmap + bmpfile.close() + + +class bitmap_missingpixeldata(bitmap_24bpp): + """ + A bitmap file that doesn't include any of the pixel data. + """ + + def write(self, filename): + + _safe_unlink(filename) + + bmpfile = open(filename, 'wb') + + fileinfoheader = self.get_fileinfoheader() + bmpfile.write(fileinfoheader) + + bmpinfoheader = self.get_bitmapinfoheader() + bmpfile.write(bmpinfoheader) + + palette = self.get_palette() + bmpfile.write(palette) + + # don't write any other part of the bitmap + bmpfile.close() + +class bitmap_toomuchdata(bitmap_1bpp): + """ + A bitmap with twice as much payload as expected. + This attempts to overflow an internal buffer. + """ + + def create_pixeldata(self): + return bitmap_1bpp.create_pixeldata(self) * 2 + + +class testcase_logger: + def __init__(self, path): + # a map from filename to English description of the file. + self.descriptions = {} + + # the file path to the directory containing the bitmap + self.path = path + + def write_index(self, basename): + keys = self.descriptions.keys() + keys.sort() + + index_filename = self.path + '/' + basename + _safe_unlink(index_filename) + indexfile = open(index_filename, 'wb') + + indexfile.write('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">n') + indexfile.write('<html>n') + indexfile.write(' <head>n') + indexfile.write(' <title>Directory Listing</title>n') + indexfile.write(' </head>n') + indexfile.write(' <body>n') + indexfile.write(' <table border="1">n') + indexfile.write('n') + indexfile.write(' <tr>n') + indexfile.write(' <th>Filename</th>n') + indexfile.write(' <th>Description</th>n') + indexfile.write(' </tr>n') + indexfile.write('n') + + for key in keys: + indexfile.write(' <tr>n') + indexfile.write(' <td><a href="' + key + '">' + key + '</a></td>n') + indexfile.write(' <td>' + self.descriptions[key] + '</td>n') + indexfile.write(' </tr>n') + indexfile.write('n') + + indexfile.write(' </table>n') + indexfile.write(' </body>n') + indexfile.write('</html>n') + + indexfile.close() + + + def do_testcase(self, filename, bitmap, *rest): + bitmap.write(self.path + '/' + filename) + + # Figure out the bitmap's English description. + # Start with the doc string and append the optional + # complementary description argument. + description = bitmap.__doc__ + if len(rest) != 0: + description += ' ' + rest[0] + + self.descriptions[filename] = description + +def generate_valid_bitmaps(): + """ + Create valid bitmaps of various encodings. + """ + + _safe_create_dir('bitmaps') + _safe_create_dir('bitmaps/valid') + + log = testcase_logger('bitmaps/valid') + + # valid 1 bpp bitmaps + for width in range(320,336): + log.do_testcase( + '1bpp-%ix240.bmp' % width, + bitmap_1bpp(width, 240), + 'Each scanline has %i bits of padding.' % (width - 320)) + + log.do_testcase( + '1bpp-1x1.bmp', + bitmap_1bpp(1, 1), + 'The image is a single black pixel.') + + log.do_testcase( + '1bpp-320x240-color.bmp', + bitmap_1bpp_color(320, 240)) + + log.do_testcase( + '1bpp-320x240-overlappingcolor.bmp', + bitmap_1bpp_overlappingcolor(320, 240)) + + log.do_testcase( + '1bpp-topdown-320x240.bmp', + bitmap_1bpp_topdown(320, 240)) + + # valid 4 bpp bitmaps + for width in range(320,328): + log.do_testcase( + '4bpp-%ix240.bmp' % width, + bitmap_4bpp(width, 240), + 'Each scanline has %i nibbles of padding.' % (width - 320)) + + for width in range (320, 321): + log.do_testcase( + 'rle4-encoded-%ix240.bmp' % width, + bitmap_rle4_encoded(width, 240)) + + for width in range (320, 321): + log.do_testcase( + 'rle4-absolute-%ix240.bmp' % width, + bitmap_rle4_absolute(width, 240)) + + for width in range (320, 321): + log.do_testcase( + 'rle4-alternate-%ix240.bmp' % width, + bitmap_rle4_alternate(width, 240)) + + log.do_testcase( + 'rle4-delta-320x240.bmp', + bitmap_rle4_delta(320, 240)) + + log.do_testcase( + '4bpp-1x1.bmp', + bitmap_4bpp(1, 1), + 'The image is a single blue pixel.') + + log.do_testcase( + '4bpp-topdown-320x240.bmp', + bitmap_4bpp_topdown(320, 240)) + + + # valid 8 bpp bitmaps + for width in range(320,324): + log.do_testcase( + '8bpp-%ix240.bmp' % width, + bitmap_8bpp(width, 240), + 'Each scanline has %i bytes of padding.' % (width - 320)) + + for width in range (320, 321): + log.do_testcase( + 'rle8-encoded-%ix240.bmp' % width, + bitmap_rle8_encoded(width, 240)) + + for width in range (320, 321): + log.do_testcase( + 'rle8-absolute-%ix240.bmp' % width, + bitmap_rle8_absolute(width, 240)) + + log.do_testcase( + 'rle8-delta-320x240.bmp', + bitmap_rle8_delta(320, 240)) + + log.do_testcase( + 'rle8-blank-160x120.bmp', + bitmap_rle8_blank(160, 120)) + + log.do_testcase( + '8bpp-1x1.bmp', + bitmap_8bpp(1, 1), + 'The image is a single blue pixel.') + + log.do_testcase( + 'rle8-64000x1.bmp', + bitmap_rle8_encoded(64000, 1), + 'The image is a very long red, green, and blue horizontal line.') + + log.do_testcase( + '8bpp-1x64000.bmp', + bitmap_8bpp(1, 64000), + 'The image is a very long, blue vertical line.') + + log.do_testcase( + '8bpp-colorsused-zero.bmp', + bitmap_8bpp_zerocolorsused(320, 240)) + + log.do_testcase( + '8bpp-colorsimportant-two.bmp', + bitmap_8bpp_twocolorsimportant(320, 240)) + + log.do_testcase( + '8bpp-topdown-320x240.bmp', + bitmap_8bpp_topdown(320, 240)) + + # valid 5-5-5 bitmaps + for width in range(320,322): + log.do_testcase( + '555-%ix240.bmp' % width, + bitmap_555(width, 240), + 'Each scanline has %i bytes of padding.' % ((width - 320) / 2)) + + log.do_testcase( + '555-1x1.bmp', + bitmap_555(1, 1), + 'The image is a single blue pixel.') + + # valid 5-6-5 bitmaps + for width in range(320,323): + log.do_testcase( + '565-%ix240.bmp' % width, + bitmap_565(width, 240), + 'Each scanline has %i bytes of padding.' % ((width - 320) / 2)) + + log.do_testcase( + '565-%ix240-topdown.bmp' % width, + bitmap_565_topdown(width, 240), + 'Each scanline has %i bytes of padding.' % ((width - 320) / 2)) + + log.do_testcase( + '565-1x1.bmp', + bitmap_565(1, 1), + 'The image is a single blue pixel.') + + + # valid 24 bpp bitmaps + for width in range(320,324): + log.do_testcase( + '24bpp-%ix240.bmp' % width, + bitmap_24bpp(width, 240), + 'Each scanline has %i bytes of padding.' % ((width - 320) / 3)) + + log.do_testcase( + '24bpp-topdown-320x240.bmp', + bitmap_24bpp_topdown(320, 240)) + + log.do_testcase( + '24bpp-1x1.bmp', + bitmap_24bpp(1, 1), + 'The image is a single blue pixel.') + + log.do_testcase( + '24bpp-imagesize-zero.bmp', + bitmap_24bpp_zeroimagesize(320, 240)) + + # valid 32 bpp bitmaps + log.do_testcase( + '32bpp-320x240.bmp', + bitmap_32bpp(320, 240)) + + log.do_testcase( + '32bpp-topdown-320x240.bmp', + bitmap_32bpp_topdown(320, 240)) + + log.do_testcase( + '32bpp-optimalpalette-320x240.bmp', + bitmap_32bpp_colortable(320, 240)) + + log.do_testcase( + '32bpp-888-optimalpalette-320x240.bmp', + bitmap_32bpp_888_colortable(320, 240)) + + log.do_testcase( + '32bpp-101110-320x240.bmp', + bitmap_32bpp_101110(320, 240)) + + log.do_testcase( + '32bpp-1x1.bmp', + bitmap_32bpp(1, 1), + 'The image is a single blue pixel.') + + # write out the HTML index + log.write_index('index.html') + + +def generate_questionable_bitmaps(): + """ + Create bitmaps that are technically invalid, but which most + bitmap processors can process, anyway. + """ + + _safe_create_dir('bitmaps') + _safe_create_dir('bitmaps/questionable') + + log = testcase_logger('bitmaps/questionable') + + log.do_testcase( + 'filesize-bad.bmp', + bitmap_badfilesize(320, 240)) + + log.do_testcase( + 'filesize-zero.bmp', + bitmap_zerofilesize(320, 240)) + + log.do_testcase( + 'reserved1-bad.bmp', + bitmap_badreserved1(320, 240)) + + log.do_testcase( + 'reserved2-bad.bmp', + bitmap_badreserved2(320, 240)) + + log.do_testcase( + 'rle8-height-negative.bmp', + bitmap_rle8_topdown(320, 240)) + + log.do_testcase( + 'rle4-height-negative.bmp', + bitmap_rle4_topdown(320, 240)) + + log.do_testcase( + 'planes-zero.bmp', + bitmap_zeroplanes(320, 240)) + + log.do_testcase( + 'planes-large.bmp', + bitmap_largeplanes(320, 240)) + + log.do_testcase( + 'pels-per-meter-x-zero.bmp', + bitmap_8bpp_zeroxpelspermeter(320, 240)) + + log.do_testcase( + 'pels-per-meter-x-negative.bmp', + bitmap_8bpp_negativexpelspermeter(320, 240)) + + log.do_testcase( + 'pels-per-meter-x-large.bmp', + bitmap_8bpp_largexpelspermeter(320, 240)) + + log.do_testcase( + 'pels-per-meter-y-zero.bmp', + bitmap_8bpp_zeroypelspermeter(320, 240)) + + log.do_testcase( + 'pels-per-meter-y-negative.bmp', + bitmap_8bpp_negativeypelspermeter(320, 240)) + + log.do_testcase( + 'pels-per-meter-y-large.bmp', + bitmap_8bpp_largeypelspermeter(320, 240)) + + log.do_testcase( + 'pixeldata-toomuch.bmp', + bitmap_toomuchdata(320, 240)) + + log.do_testcase( + 'pixeldata-rle8-toomuch.bmp', + bitmap_rle8_toomuchdata(320, 240)) + + log.do_testcase( + 'rle8-no-end-of-bitmap-marker.bmp', + bitmap_rle8_noendofbitmap(320, 240)) + + log.do_testcase( + '8bpp-pixels-not-in-palette.bmp', + bitmap_8bpp_pixelnotinpalette(254, 128)) + + log.do_testcase( + '32bpp-0x0.bmp', + bitmap_32bpp(0, 0), + 'The image is 0 pixels wide and 0 pixels high. Even though this is technically valid, most bitmap procesors consider it to be corrupt.') + + log.do_testcase( + '32bpp-320x0.bmp', + bitmap_32bpp(320, 0), + 'The image is 320 pixels wide and zero pixels high. This is a sneaky way of making a 0x0 bitmap. Even though this is technically valid, most bitmap procesors consider it to be corrupt.') + + log.do_testcase( + '32bpp-0x240.bmp', + bitmap_32bpp(0, 240), + 'The image is 0 pixels wide and 240 pixels high. This is a sneaky way of making a 0x0 bitmap. Even though this is technically valid, most bitmap procesors consider it to be corrupt.') + + log.do_testcase( + 'rle4-no-end-of-bitmap-marker.bmp', + bitmap_rle4_noendofbitmap(320, 240)) + + # write out the HTML index + log.write_index('index.html') + + + +def generate_corrupt_bitmaps(): + """ + Create corrupt/malicious bitmaps that are either impossible to process, + or that most bitmap processors will refuse to process. + For most of these files, the best a bitmap processor can do is + display an informative diagnostic and not crash or leak memory. + """ + + _safe_create_dir('bitmaps') + _safe_create_dir('bitmaps/corrupt') + + log = testcase_logger('bitmaps/corrupt') + + # invalid images + log.do_testcase( + 'emptyfile.bmp', + bitmap_emptyfile(320, 240)) + + log.do_testcase( + 'fileinfoheader-cropped.bmp', + bitmap_croppedfileinfoheader(320, 240)) + + log.do_testcase( + 'magicnumber-cropped.bmp', + bitmap_croppedmagicnumber(320, 240)) + + log.do_testcase( + 'magicnumber-bad.bmp', + bitmap_badmagicnumber(320, 240)) + + log.do_testcase( + 'offbits-zero.bmp', + bitmap_zerooffbits(320, 240)) + + log.do_testcase( + 'offbits-negative.bmp', + bitmap_negativeoffbits(320, 240)) + + log.do_testcase( + 'offbits-large.bmp', + bitmap_largeoffbits(320, 240)) + + log.do_testcase( + 'infoheader-missing.bmp', + bitmap_missinginfoheader(320, 240)) + + log.do_testcase( + 'infoheader-cropped.bmp', + bitmap_croppedinfoheader(320, 240)) + + log.do_testcase( + 'infoheadersize-small.bmp', + bitmap_smallbmpinfoheadersize(320, 240)) + + log.do_testcase( + 'infoheadersize-large.bmp', + bitmap_largebmpinfoheadersize(320, 240)) + + log.do_testcase( + 'infoheadersize-zero.bmp', + bitmap_zerobmpinfoheadersize(320, 240)) + + log.do_testcase( + 'height-zero.bmp', + bitmap_zeroheight(320, 240)) + + log.do_testcase( + 'width-zero.bmp', + bitmap_zerowidth(320, 240)) + + log.do_testcase( + 'width-negative.bmp', + bitmap_negativewidth(320, 240)) + + log.do_testcase( + 'width-times-height-overflow.bmp', + bitmap_width_height_overflow(320, 240)) + + log.do_testcase( + 'bitdepth-zero.bmp', + bitmap_zerobitdepth(320, 240)) + + log.do_testcase( + 'bitdepth-odd.bmp', + bitmap_oddbitdepth(320, 240)) + + log.do_testcase( + 'bitdepth-large.bmp', + bitmap_largebitdepth(320, 240)) + + log.do_testcase( + 'compression-unknown.bmp', + bitmap_unknowncompression(320, 240)) + + log.do_testcase( + 'compression-bad-rle4-for-8bpp.bmp', + bitmap_4bpp_rle8compression(320, 240)) + + log.do_testcase( + 'compression-bad-rle8-for-4bpp.bmp', + bitmap_8bpp_rle4compression(320, 240)) + + log.do_testcase( + '8bpp-colorsused-large.bmp', + bitmap_8bpp_largecolorsused(320, 240)) + + log.do_testcase( + '8bpp-colorsused-negative.bmp', + bitmap_8bpp_negativecolorsused(320, 240)) + + log.do_testcase( + '8bpp-colorsimportant-large.bmp', + bitmap_8bpp_largecolorsimportant(320, 240)) + + log.do_testcase( + '8bpp-colorsimportant-negative.bmp', + bitmap_8bpp_negativecolorsimportant(320, 240)) + + log.do_testcase( + 'rle8-deltaleavesimage.bmp', + bitmap_rle8_deltaleavesimage(320, 240)) + + log.do_testcase( + 'palette-too-big.bmp', + bitmap_1bpp_palettetoobig(320, 240)) + + log.do_testcase( + '1bpp-no-palette.bmp', + bitmap_1bpp_nopalette(320, 240)) + + log.do_testcase( + '4bpp-no-palette.bmp', + bitmap_4bpp_nopalette(320, 240)) + + log.do_testcase( + '8bpp-no-palette.bmp', + bitmap_8bpp_nopalette(320, 240)) + + log.do_testcase( + 'palette-missing.bmp', + bitmap_missingpalette(320, 240)) + + log.do_testcase( + 'palette-cropped.bmp', + bitmap_croppedpalette(320, 240)) + + log.do_testcase( + 'colormasks-missing.bmp', + bitmap_missingcolormasks(320, 240)) + + log.do_testcase( + 'colormasks-cropped.bmp', + bitmap_croppedcolormasks(320, 240)) + + log.do_testcase( + 'pixeldata-missing.bmp', + bitmap_missingpixeldata(320, 240)) + + log.do_testcase( + '32bpp-pixeldata-cropped.bmp', + bitmap_32bpp_croppedpixeldata(320, 240)) + + log.do_testcase( + '24bpp-pixeldata-cropped.bmp', + bitmap_24bpp_croppedpixeldata(320, 240)) + + log.do_testcase( + '555-pixeldata-cropped.bmp', + bitmap_555_croppedpixeldata(320, 240)) + + log.do_testcase( + '8bpp-pixeldata-cropped.bmp', + bitmap_8bpp_croppedpixeldata(320, 240)) + + log.do_testcase( + '4bpp-pixeldata-cropped.bmp', + bitmap_4bpp_croppedpixeldata(320, 240)) + + log.do_testcase( + '1bpp-pixeldata-cropped.bmp', + bitmap_1bpp_croppedpixeldata(320, 240)) + + log.do_testcase( + 'rle4-runlength-cropped.bmp', + bitmap_rle4_croppedrun(320, 240)) + + log.do_testcase( + 'rle4-absolute-cropped.bmp', + bitmap_rle4_croppedabsolute(320, 240)) + + log.do_testcase( + 'rle4-delta-cropped.bmp', + bitmap_rle4_croppeddelta(320, 240)) + + log.do_testcase( + 'rle4-no-end-of-line-marker.bmp', + bitmap_rle4_noendofline(320, 240)) + + log.do_testcase( + 'rle8-runlength-cropped.bmp', + bitmap_rle8_croppedrun(320, 240)) + + log.do_testcase( + 'rle8-absolute-cropped.bmp', + bitmap_rle8_croppedabsolute(320, 240)) + + log.do_testcase( + 'rle8-delta-cropped.bmp', + bitmap_rle8_croppeddelta(320, 240)) + + log.do_testcase( + 'rle8-no-end-of-line-marker.bmp', + bitmap_rle8_noendofline(320, 240)) + + # write out the HTML index + log.write_index('index.html') + +if __name__ == "__main__": + + generate_valid_bitmaps() + generate_questionable_bitmaps() + generate_corrupt_bitmaps()

-----------------------------------------------------------------------

Summary of changes: tests/Makefile | 1 + tests/loaders/Makefile | 2 +- tests/loaders/data/bmp/README | 4 + .../data/bmp/bitmaps/corrupt/1bpp-no-palette.bmp | Bin 0 -> 9654 bytes .../bmp/bitmaps/corrupt/1bpp-pixeldata-cropped.bmp | Bin 0 -> 4841 bytes .../bitmaps/corrupt/24bpp-pixeldata-cropped.bmp | Bin 0 -> 114773 bytes .../bitmaps/corrupt/32bpp-pixeldata-cropped.bmp | Bin 0 -> 153013 bytes .../data/bmp/bitmaps/corrupt/4bpp-no-palette.bmp | Bin 0 -> 38454 bytes .../bmp/bitmaps/corrupt/4bpp-pixeldata-cropped.bmp | Bin 0 -> 19197 bytes .../bmp/bitmaps/corrupt/555-pixeldata-cropped.bmp | Bin 0 -> 76533 bytes .../bitmaps/corrupt/8bpp-colorsimportant-large.bmp | Bin 0 -> 76878 bytes .../corrupt/8bpp-colorsimportant-negative.bmp | Bin 0 -> 76878 bytes .../bmp/bitmaps/corrupt/8bpp-colorsused-large.bmp | Bin 0 -> 76878 bytes .../bitmaps/corrupt/8bpp-colorsused-negative.bmp | Bin 0 -> 76878 bytes .../data/bmp/bitmaps/corrupt/8bpp-no-palette.bmp | Bin 0 -> 76854 bytes .../bmp/bitmaps/corrupt/8bpp-pixeldata-cropped.bmp | Bin 0 -> 38317 bytes .../data/bmp/bitmaps/corrupt/bitdepth-large.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/corrupt/bitdepth-odd.bmp | Bin 0 -> 76878 bytes .../data/bmp/bitmaps/corrupt/bitdepth-zero.bmp | Bin 0 -> 9662 bytes .../bmp/bitmaps/corrupt/colormasks-cropped.bmp | Bin 0 -> 65 bytes .../bmp/bitmaps/corrupt/colormasks-missing.bmp | Bin 0 -> 54 bytes .../corrupt/compression-bad-rle4-for-8bpp.bmp | Bin 0 -> 4134 bytes .../corrupt/compression-bad-rle8-for-4bpp.bmp | Bin 0 -> 4134 bytes .../bmp/bitmaps/corrupt/compression-unknown.bmp | Bin 0 -> 9662 bytes .../bmp/bitmaps/corrupt/fileinfoheader-cropped.bmp | Bin 0 -> 13 bytes .../data/bmp/bitmaps/corrupt/height-zero.bmp | Bin 0 -> 9662 bytes tests/loaders/data/bmp/bitmaps/corrupt/index.html | 444 +++ .../bmp/bitmaps/corrupt/infoheader-cropped.bmp | Bin 0 -> 53 bytes .../bmp/bitmaps/corrupt/infoheader-missing.bmp | Bin 0 -> 14 bytes .../bmp/bitmaps/corrupt/infoheadersize-large.bmp | Bin 0 -> 9662 bytes .../bmp/bitmaps/corrupt/infoheadersize-small.bmp | Bin 0 -> 9646 bytes .../bmp/bitmaps/corrupt/infoheadersize-zero.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/corrupt/magicnumber-bad.bmp | Bin 0 -> 9662 bytes .../bmp/bitmaps/corrupt/magicnumber-cropped.bmp | 1 + .../data/bmp/bitmaps/corrupt/offbits-large.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/corrupt/offbits-negative.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/corrupt/offbits-zero.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/corrupt/palette-cropped.bmp | Bin 0 -> 61 bytes .../data/bmp/bitmaps/corrupt/palette-missing.bmp | Bin 0 -> 54 bytes .../data/bmp/bitmaps/corrupt/palette-too-big.bmp | Bin 0 -> 29662 bytes .../data/bmp/bitmaps/corrupt/pixeldata-missing.bmp | Bin 0 -> 54 bytes .../bmp/bitmaps/corrupt/rle4-absolute-cropped.bmp | Bin 0 -> 20367 bytes .../bmp/bitmaps/corrupt/rle4-delta-cropped.bmp | Bin 0 -> 1781 bytes .../bitmaps/corrupt/rle4-no-end-of-line-marker.bmp | Bin 0 -> 3654 bytes .../bmp/bitmaps/corrupt/rle4-runlength-cropped.bmp | Bin 0 -> 1983 bytes .../bmp/bitmaps/corrupt/rle8-absolute-cropped.bmp | Bin 0 -> 39695 bytes .../bmp/bitmaps/corrupt/rle8-delta-cropped.bmp | Bin 0 -> 2741 bytes .../bmp/bitmaps/corrupt/rle8-deltaleavesimage.bmp | Bin 0 -> 4138 bytes .../bitmaps/corrupt/rle8-no-end-of-line-marker.bmp | Bin 0 -> 3654 bytes .../bmp/bitmaps/corrupt/rle8-runlength-cropped.bmp | Bin 0 -> 1983 bytes .../data/bmp/bitmaps/corrupt/width-negative.bmp | Bin 0 -> 9662 bytes .../corrupt/width-times-height-overflow.bmp | Bin 0 -> 153666 bytes .../data/bmp/bitmaps/corrupt/width-zero.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/questionable/32bpp-0x0.bmp | Bin 0 -> 54 bytes .../data/bmp/bitmaps/questionable/32bpp-0x240.bmp | Bin 0 -> 54 bytes .../data/bmp/bitmaps/questionable/32bpp-320x0.bmp | Bin 0 -> 54 bytes .../questionable/8bpp-pixels-not-in-palette.bmp | Bin 0 -> 32830 bytes .../data/bmp/bitmaps/questionable/filesize-bad.bmp | Bin 0 -> 9662 bytes .../bmp/bitmaps/questionable/filesize-zero.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/questionable/index.html | 197 ++ .../questionable/pels-per-meter-x-large.bmp | Bin 0 -> 76878 bytes .../questionable/pels-per-meter-x-negative.bmp | Bin 0 -> 76878 bytes .../bitmaps/questionable/pels-per-meter-x-zero.bmp | Bin 0 -> 76878 bytes .../questionable/pels-per-meter-y-large.bmp | Bin 0 -> 76878 bytes .../questionable/pels-per-meter-y-negative.bmp | Bin 0 -> 76878 bytes .../bitmaps/questionable/pels-per-meter-y-zero.bmp | Bin 0 -> 76878 bytes .../questionable/pixeldata-rle8-toomuch.bmp | Bin 0 -> 8188 bytes .../bmp/bitmaps/questionable/pixeldata-toomuch.bmp | Bin 0 -> 19262 bytes .../data/bmp/bitmaps/questionable/planes-large.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/questionable/planes-zero.bmp | Bin 0 -> 9662 bytes .../bmp/bitmaps/questionable/reserved1-bad.bmp | Bin 0 -> 9662 bytes .../bmp/bitmaps/questionable/reserved2-bad.bmp | Bin 0 -> 9662 bytes .../bitmaps/questionable/rle4-height-negative.bmp | Bin 0 -> 4134 bytes .../questionable/rle4-no-end-of-bitmap-marker.bmp | Bin 0 -> 4132 bytes .../bitmaps/questionable/rle8-height-negative.bmp | Bin 0 -> 4134 bytes .../questionable/rle8-no-end-of-bitmap-marker.bmp | Bin 0 -> 4132 bytes tests/loaders/data/bmp/bitmaps/valid/1bpp-1x1.bmp | Bin 0 -> 66 bytes .../data/bmp/bitmaps/valid/1bpp-320x240-color.bmp | Bin 0 -> 9662 bytes .../valid/1bpp-320x240-overlappingcolor.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/valid/1bpp-320x240.bmp | Bin 0 -> 9662 bytes .../data/bmp/bitmaps/valid/1bpp-321x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-322x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-323x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-324x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-325x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-326x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-327x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-328x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-329x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-330x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-331x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-332x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-333x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-334x240.bmp | Bin 0 -> 10622 bytes .../data/bmp/bitmaps/valid/1bpp-335x240.bmp | Bin 0 -> 10622 bytes .../bmp/bitmaps/valid/1bpp-topdown-320x240.bmp | Bin 0 -> 9662 bytes tests/loaders/data/bmp/bitmaps/valid/24bpp-1x1.bmp | Bin 0 -> 58 bytes .../data/bmp/bitmaps/valid/24bpp-320x240.bmp | Bin 0 -> 230454 bytes .../data/bmp/bitmaps/valid/24bpp-321x240.bmp | Bin 0 -> 231414 bytes .../data/bmp/bitmaps/valid/24bpp-322x240.bmp | Bin 0 -> 232374 bytes .../data/bmp/bitmaps/valid/24bpp-323x240.bmp | Bin 0 -> 233334 bytes .../bmp/bitmaps/valid/24bpp-imagesize-zero.bmp | Bin 0 -> 230454 bytes .../bmp/bitmaps/valid/24bpp-topdown-320x240.bmp | Bin 0 -> 230454 bytes .../bmp/bitmaps/valid/32bpp-101110-320x240.bmp | Bin 0 -> 307266 bytes tests/loaders/data/bmp/bitmaps/valid/32bpp-1x1.bmp | Bin 0 -> 58 bytes .../data/bmp/bitmaps/valid/32bpp-320x240.bmp | Bin 0 -> 307254 bytes .../valid/32bpp-888-optimalpalette-320x240.bmp | Bin 0 -> 307290 bytes .../bitmaps/valid/32bpp-optimalpalette-320x240.bmp | Bin 0 -> 307278 bytes .../bmp/bitmaps/valid/32bpp-topdown-320x240.bmp | Bin 0 -> 307254 bytes tests/loaders/data/bmp/bitmaps/valid/4bpp-1x1.bmp | Bin 0 -> 82 bytes .../data/bmp/bitmaps/valid/4bpp-320x240.bmp | Bin 0 -> 38478 bytes .../data/bmp/bitmaps/valid/4bpp-321x240.bmp | Bin 0 -> 39438 bytes .../data/bmp/bitmaps/valid/4bpp-322x240.bmp | Bin 0 -> 39438 bytes .../data/bmp/bitmaps/valid/4bpp-323x240.bmp | Bin 0 -> 39438 bytes .../data/bmp/bitmaps/valid/4bpp-324x240.bmp | Bin 0 -> 39438 bytes .../data/bmp/bitmaps/valid/4bpp-325x240.bmp | Bin 0 -> 39438 bytes .../data/bmp/bitmaps/valid/4bpp-326x240.bmp | Bin 0 -> 39438 bytes .../data/bmp/bitmaps/valid/4bpp-327x240.bmp | Bin 0 -> 39438 bytes .../bmp/bitmaps/valid/4bpp-topdown-320x240.bmp | Bin 0 -> 38478 bytes tests/loaders/data/bmp/bitmaps/valid/555-1x1.bmp | Bin 0 -> 58 bytes .../loaders/data/bmp/bitmaps/valid/555-320x240.bmp | Bin 0 -> 153654 bytes .../loaders/data/bmp/bitmaps/valid/555-321x240.bmp | Bin 0 -> 154614 bytes tests/loaders/data/bmp/bitmaps/valid/565-1x1.bmp | Bin 0 -> 70 bytes .../data/bmp/bitmaps/valid/565-320x240-topdown.bmp | Bin 0 -> 153666 bytes .../loaders/data/bmp/bitmaps/valid/565-320x240.bmp | Bin 0 -> 153666 bytes .../data/bmp/bitmaps/valid/565-321x240-topdown.bmp | Bin 0 -> 154626 bytes .../loaders/data/bmp/bitmaps/valid/565-321x240.bmp | Bin 0 -> 154626 bytes .../data/bmp/bitmaps/valid/565-322x240-topdown.bmp | Bin 0 -> 154626 bytes .../loaders/data/bmp/bitmaps/valid/565-322x240.bmp | Bin 0 -> 154626 bytes tests/loaders/data/bmp/bitmaps/valid/8bpp-1x1.bmp | Bin 0 -> 82 bytes .../data/bmp/bitmaps/valid/8bpp-1x64000.bmp | Bin 0 -> 256078 bytes .../data/bmp/bitmaps/valid/8bpp-320x240.bmp | Bin 0 -> 76878 bytes .../data/bmp/bitmaps/valid/8bpp-321x240.bmp | Bin 0 -> 77838 bytes .../data/bmp/bitmaps/valid/8bpp-322x240.bmp | Bin 0 -> 77838 bytes .../data/bmp/bitmaps/valid/8bpp-323x240.bmp | Bin 0 -> 77838 bytes .../bmp/bitmaps/valid/8bpp-colorsimportant-two.bmp | Bin 0 -> 76878 bytes .../bmp/bitmaps/valid/8bpp-colorsused-zero.bmp | Bin 0 -> 77878 bytes .../bmp/bitmaps/valid/8bpp-topdown-320x240.bmp | Bin 0 -> 76878 bytes tests/loaders/data/bmp/bitmaps/valid/index.html | 421 +++ .../bmp/bitmaps/valid/rle4-absolute-320x240.bmp | Bin 0 -> 40400 bytes .../bmp/bitmaps/valid/rle4-alternate-320x240.bmp | Bin 0 -> 4142 bytes .../data/bmp/bitmaps/valid/rle4-delta-320x240.bmp | Bin 0 -> 3686 bytes .../bmp/bitmaps/valid/rle4-encoded-320x240.bmp | Bin 0 -> 4134 bytes .../data/bmp/bitmaps/valid/rle8-64000x1.bmp | Bin 0 -> 586 bytes .../bmp/bitmaps/valid/rle8-absolute-320x240.bmp | Bin 0 -> 78800 bytes .../data/bmp/bitmaps/valid/rle8-blank-160x120.bmp | Bin 0 -> 1080 bytes .../data/bmp/bitmaps/valid/rle8-delta-320x240.bmp | Bin 0 -> 4646 bytes .../bmp/bitmaps/valid/rle8-encoded-320x240.bmp | Bin 0 -> 4134 bytes tests/loaders/data/bmp/bmptestsuite.py | 3639 ++++++++++++++++++++ tests/loaders/loaders_suite.c | 93 + 150 files changed, 4801 insertions(+), 1 deletions(-) create mode 100644 tests/loaders/data/bmp/README create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/1bpp-no-palette.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/1bpp-pixeldata-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/24bpp-pixeldata-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/32bpp-pixeldata-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/4bpp-no-palette.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/4bpp-pixeldata-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/555-pixeldata-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-large.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsimportant-negative.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-large.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/8bpp-colorsused-negative.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/8bpp-no-palette.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/8bpp-pixeldata-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-large.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-odd.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/bitdepth-zero.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/colormasks-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/colormasks-missing.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle4-for-8bpp.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/compression-bad-rle8-for-4bpp.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/compression-unknown.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/emptyfile.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/fileinfoheader-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/height-zero.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/index.html create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/infoheader-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/infoheader-missing.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/infoheadersize-large.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/infoheadersize-small.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/infoheadersize-zero.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/magicnumber-bad.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/magicnumber-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/offbits-large.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/offbits-negative.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/offbits-zero.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/palette-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/palette-missing.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/palette-too-big.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/pixeldata-missing.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle4-absolute-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle4-delta-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle4-no-end-of-line-marker.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle4-runlength-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle8-absolute-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle8-delta-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle8-deltaleavesimage.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle8-no-end-of-line-marker.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/rle8-runlength-cropped.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/width-negative.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/width-times-height-overflow.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/corrupt/width-zero.bmp create mode 100644 tests/loaders/data/bmp/bitmaps/questionable/32bpp-0x0.bmp create mode 100644 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