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- Log ----------------------------------------------------------------- commit 302953014e10dcef71b369e495dfb91b0fed705e Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 18:26:46 +0200 URL: http://repo.or.cz/gfxprim.git/302953014e10dcef

spiv: Fix image list counter

We have to add cur_file only and only if we are inside of a directory, otherwise we end up with random position.

Signed-off-by: Cyril Hrubis metan@ucw.cz --- demos/spiv/image_list.c | 3 +++ demos/spiv/spiv.c | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/demos/spiv/image_list.c b/demos/spiv/image_list.c index be6532c0763e..cf1d18c09a21 100644 --- a/demos/spiv/image_list.c +++ b/demos/spiv/image_list.c @@ -360,6 +360,9 @@ unsigned int image_list_count(struct image_list *self)

unsigned int image_list_pos(struct image_list *self) { + if (!self->in_dir) + return count_img_to(self, self->cur_arg); + return count_img_to(self, self->cur_arg) + self->cur_file; }

diff --git a/demos/spiv/spiv.c b/demos/spiv/spiv.c index 947390c964be..586cc54deb60 100644 --- a/demos/spiv/spiv.c +++ b/demos/spiv/spiv.c @@ -277,7 +277,7 @@ static void show_info(struct loader_params *params, GP_Pixmap *img,

unsigned int count = image_loader_count(); unsigned int pos = image_loader_pos() + 1; - + printf("pos %u\n", pos); info_printf(pixmap, 10, y, "%u of %u", pos, count); y += th + 2;

commit afb3d2823c56ff76b757359c589c449252757303 Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 14:15:48 +0200 URL: http://repo.or.cz/gfxprim.git/afb3d2823c56ff76

loaders: PNG: Wire up gamma tables.

Now the loader at least tries to set the gamma value for the pixmap, which is later used by some of the resampling functions, etc.

Signed-off-by: Cyril Hrubis metan@ucw.cz --- libs/loaders/GP_PNG.c | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/libs/loaders/GP_PNG.c b/libs/loaders/GP_PNG.c index fa01db1c5939..d0191cf5f103 100644 --- a/libs/loaders/GP_PNG.c +++ b/libs/loaders/GP_PNG.c @@ -196,6 +196,9 @@ static int read_convert_bitmap(GP_Pixmap *res, GP_ProgressCallback *callback,

unsigned int y;

+ if (gamma < 0.01) + GP_PixmapSetGamma(res, 2.2); + for (y = 0; y < res->h; y++) { png_read_row(png, (void*)row, NULL); uint8_t *rrow = GP_PIXEL_ADDR(res, 0, y); @@ -385,6 +388,9 @@ int GP_ReadPNGEx(GP_IO *io, GP_Pixmap **img, goto err2; }

+ if (gamma > 0.1) + GP_PixmapSetGamma(res, 1/gamma); + if (color_type == PNG_COLOR_TYPE_GRAY && depth < 8) png_set_packswap(png);

commit b10281ba4c6ef9ade39e86b8c3aa42878fdff59f Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 13:52:39 +0200 URL: http://repo.or.cz/gfxprim.git/b10281ba4c6ef9ad

core: GP_Pixmap: Add GP_PixmapSetGamma() function

Signed-off-by: Cyril Hrubis metan@ucw.cz --- build/syms/Core_symbols.txt | 1 + include/core/GP_Pixmap.h | 5 +++++ libs/core/GP_Gamma.c | 7 ++++++- libs/core/GP_Pixmap.c | 9 +++++++++ 4 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/build/syms/Core_symbols.txt b/build/syms/Core_symbols.txt index 7ee4ff213aff..b49ab7670191 100644 --- a/build/syms/Core_symbols.txt +++ b/build/syms/Core_symbols.txt @@ -2,6 +2,7 @@ GP_PixelTypes GP_PixelHasFlags

GP_PixmapAlloc +GP_PixmapSetGamma GP_PixmapResize GP_PixmapConvertAlloc GP_PixmapPrintInfo diff --git a/include/core/GP_Pixmap.h b/include/core/GP_Pixmap.h index f67e6ec2f9d6..d599fbe792eb 100644 --- a/include/core/GP_Pixmap.h +++ b/include/core/GP_Pixmap.h @@ -111,6 +111,11 @@ typedef struct GP_Pixmap { GP_Pixmap *GP_PixmapAlloc(GP_Size w, GP_Size h, GP_PixelType type);

/* + * Sets gamma for the pixmap. + */ +int GP_PixmapSetGamma(GP_Pixmap *self, float gamma); + +/* * Free pixmap. * * If pixmap->free_pixels, also free pixel data. diff --git a/libs/core/GP_Gamma.c b/libs/core/GP_Gamma.c index 05500f9a0c36..afde6fa5e4e9 100644 --- a/libs/core/GP_Gamma.c +++ b/libs/core/GP_Gamma.c @@ -186,7 +186,12 @@ GP_Gamma *GP_GammaCopy(GP_Gamma *self)

void GP_GammaRelease(GP_Gamma *self) { - int channels = GP_PixelTypes[self->pixel_type].numchannels, i; + int channels; + + if (!self) + return; + + channels = GP_PixelTypes[self->pixel_type].numchannels, i;

GP_DEBUG(1, "Releasing Gamma table %s gamma %f", GP_PixelTypeName(self->pixel_type), self->tables[0]->gamma);

diff --git a/libs/core/GP_Pixmap.c b/libs/core/GP_Pixmap.c index 53c289e1c007..72dbae21fd13 100644 --- a/libs/core/GP_Pixmap.c +++ b/libs/core/GP_Pixmap.c @@ -114,6 +114,15 @@ GP_Pixmap *GP_PixmapAlloc(GP_Size w, GP_Size h, GP_PixelType type) return pixmap; }

+int GP_PixmapSetGamma(GP_Pixmap *self, float gamma) +{ + GP_GammaRelease(self->gamma); + + self->gamma = GP_GammaAcquire(self->pixel_type, gamma); + + return !self->gamma; +} + void GP_PixmapFree(GP_Pixmap *pixmap) { GP_DEBUG(1, "Freeing pixmap (%p)", pixmap);

commit 5375aac799b568e58846b992e69de3193378f904 Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 13:46:50 +0200 URL: http://repo.or.cz/gfxprim.git/5375aac799b568e5

core: Rename GP_Context.c -> GP_Pixmap.c

This is leftover from the previous rename.

Signed-off-by: Cyril Hrubis metan@ucw.cz --- libs/core/{GP_Context.c => GP_Pixmap.c} | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename libs/core/{GP_Context.c => GP_Pixmap.c} (100%)

diff --git a/libs/core/GP_Context.c b/libs/core/GP_Pixmap.c similarity index 100% rename from libs/core/GP_Context.c rename to libs/core/GP_Pixmap.c

commit 2b4e84bec2aa6e1fa027e8e4142e42f3f2b7f3da Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 13:31:12 +0200 URL: http://repo.or.cz/gfxprim.git/2b4e84bec2aa6e1f

gfx: Remove PartialElipse

Signed-off-by: Cyril Hrubis metan@ucw.cz --- build/syms/GFX_symbols.txt | 7 --- include/gfx/GP_AngleUtils.h | 30 ------------- libs/gfx/GP_AngleUtils.c | 49 -------------------- libs/gfx/GP_PartialEllipse.c | 55 ----------------------- libs/gfx/algo/PartialEllipse.algo.h | 69 ----------------------------- 5 files changed, 210 deletions(-) delete mode 100644 include/gfx/GP_AngleUtils.h delete mode 100644 libs/gfx/GP_AngleUtils.c delete mode 100644 libs/gfx/GP_PartialEllipse.c delete mode 100644 libs/gfx/algo/PartialEllipse.algo.h

diff --git a/build/syms/GFX_symbols.txt b/build/syms/GFX_symbols.txt index 3ffccdca6c63..58326502f2ee 100644 --- a/build/syms/GFX_symbols.txt +++ b/build/syms/GFX_symbols.txt @@ -70,9 +70,6 @@ GP_Ellipse_Raw GP_FillEllipse GP_FillEllipse_Raw

-GP_PartialEllipse -GP_PartialEllipse_Raw - GP_RectXYXY GP_RectXYXY_Raw GP_RectXYWH @@ -108,7 +105,3 @@ GP_PutPixelAA_Raw_Clipped

GP_ArcSegment GP_ArcSegment_Raw - -GP_AngleInRange -GP_NormalizeAngle - diff --git a/include/gfx/GP_AngleUtils.h b/include/gfx/GP_AngleUtils.h deleted file mode 100644 index 6d8bd67c99c0..000000000000 --- a/include/gfx/GP_AngleUtils.h +++ /dev/null @@ -1,30 +0,0 @@ -/***************************************************************************** - * This file is part of gfxprim library. * - * * - * Gfxprim is free software; you can redistribute it and/or * - * modify it under the terms of the GNU Lesser General Public * - * License as published by the Free Software Foundation; either * - * version 2.1 of the License, or (at your option) any later version. * - * * - * Gfxprim is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with gfxprim; if not, write to the Free Software * - * Foundation, Inc., 51 Franklin Street, Fifth Floor, * - * Boston, MA 02110-1301 USA * - * * - * Copyright (C) 2009-2011 Cyril Hrubis metan@ucw.cz * - * Copyright (c) 2012 Jiri Dluhos jiri.bluebear.dluhos@gmail.com * - * * - *****************************************************************************/ - -#ifndef GP_ANGLE_UTILS_H -#define GP_ANGLE_UTILS_H - -double GP_NormalizeAngle(double phi); -int GP_AngleInRange(double angle, double start, double end); - -#endif diff --git a/libs/gfx/GP_AngleUtils.c b/libs/gfx/GP_AngleUtils.c deleted file mode 100644 index 67911b41626d..000000000000 --- a/libs/gfx/GP_AngleUtils.c +++ /dev/null @@ -1,49 +0,0 @@ -/***************************************************************************** - * This file is part of gfxprim library. * - * * - * Gfxprim is free software; you can redistribute it and/or * - * modify it under the terms of the GNU Lesser General Public * - * License as published by the Free Software Foundation; either * - * version 2.1 of the License, or (at your option) any later version. * - * * - * Gfxprim is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with gfxprim; if not, write to the Free Software * - * Foundation, Inc., 51 Franklin Street, Fifth Floor, * - * Boston, MA 02110-1301 USA * - * * - * Copyright (C) 2011 Tomas Gavenciak gavento@ucw.cz * - * Copyright (C) 2012 Cyril Hrubis metan@ucw.cz * - * Copyright (C) 2012 Jiri Dluhos jiri.bluebear.dluhos@gmail.com * - * * - *****************************************************************************/ - -#include "GP_AngleUtils.h" - -#include <math.h> - -double GP_NormalizeAngle(double phi) -{ - // clamp angle to <-2*pi, 2*pi> - double phi2 = fmod(phi, 2*M_PI); - - // clamp angle to <0, 2*pi> - if (phi2 < 0) - phi2 += 2*M_PI; - - return phi2; -} - -int GP_AngleInRange(double angle, double start, double end) -{ - if (start < end) { - return (angle >= start && angle <= end); - } else { - return (angle >= start && angle <= 2*M_PI) - || (angle >= 0 && angle <= end); - } -} diff --git a/libs/gfx/GP_PartialEllipse.c b/libs/gfx/GP_PartialEllipse.c deleted file mode 100644 index 0cfd1c9d2072..000000000000 --- a/libs/gfx/GP_PartialEllipse.c +++ /dev/null @@ -1,55 +0,0 @@ -/***************************************************************************** - * This file is part of gfxprim library. * - * * - * Gfxprim is free software; you can redistribute it and/or * - * modify it under the terms of the GNU Lesser General Public * - * License as published by the Free Software Foundation; either * - * version 2.1 of the License, or (at your option) any later version. * - * * - * Gfxprim is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with gfxprim; if not, write to the Free Software * - * Foundation, Inc., 51 Franklin Street, Fifth Floor, * - * Boston, MA 02110-1301 USA * - * * - * Copyright (C) 2009-2012 Jiri "BlueBear" Dluhos * - * jiri.bluebear.dluhos@gmail.com * - * * - * Copyright (C) 2009-2012 Cyril Hrubis metan@ucw.cz * - * * - *****************************************************************************/ - -#include "core/GP_GetPutPixel.h" -#include "core/GP_FnPerBpp.h" - -#include "gfx/GP_Ellipse.h" - -#include "algo/PartialEllipse.algo.h" - -/* Generate drawing functions for various bit depths. */ -GP_DEF_DRAW_FN_PER_BPP(GP_PartialEllipse_Raw, DEF_PARTIAL_ELLIPSE_FN) - -void GP_PartialEllipse_Raw(GP_Pixmap *pixmap, GP_Coord xcenter, GP_Coord ycenter, - GP_Size a, GP_Size b, int start, int end, GP_Pixel pixel) -{ - GP_CHECK_PIXMAP(pixmap); - - GP_FN_PER_BPP_PIXMAP(GP_PartialEllipse_Raw, pixmap, pixmap, - xcenter, ycenter, a, b, start, end, pixel); -} - -void GP_PartialEllipse(GP_Pixmap *pixmap, GP_Coord xcenter, GP_Coord ycenter, - GP_Size a, GP_Size b, int start, int end, GP_Pixel pixel) -{ - GP_CHECK_PIXMAP(pixmap); - - /* recalculate center point and swap a and b when axes are swapped */ - GP_TRANSFORM_POINT(pixmap, xcenter, ycenter); - GP_TRANSFORM_SWAP(pixmap, a, b); - - GP_PartialEllipse_Raw(pixmap, xcenter, ycenter, a, b, start, end, pixel); -} diff --git a/libs/gfx/algo/PartialEllipse.algo.h b/libs/gfx/algo/PartialEllipse.algo.h deleted file mode 100644 index 6bf4385e7b25..000000000000 --- a/libs/gfx/algo/PartialEllipse.algo.h +++ /dev/null @@ -1,69 +0,0 @@ -/***************************************************************************** - * This file is part of gfxprim library. * - * * - * Gfxprim is free software; you can redistribute it and/or * - * modify it under the terms of the GNU Lesser General Public * - * License as published by the Free Software Foundation; either * - * version 2.1 of the License, or (at your option) any later version. * - * * - * Gfxprim is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with gfxprim; if not, write to the Free Software * - * Foundation, Inc., 51 Franklin Street, Fifth Floor, * - * Boston, MA 02110-1301 USA * - * * - * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos * - * jiri.bluebear.dluhos@gmail.com * - * * - * Copyright (C) 2009-2012 Cyril Hrubis metan@ucw.cz * - * * - *****************************************************************************/ - -#include "GP_AngleUtils.h" - -#include <math.h> - -/* - * This macro defines a partial ellipse drawing function. - * Arguments: - * PIXMAP_T - user-defined type of drawing pixmap (passed to PUTPIXEL) - * PIXVAL_T - user-defined pixel value type (passed to PUTPIXEL) - * PUTPIXEL - a pixel drawing function f(pixmap, x, y, pixval) - * FN_NAME - name of the function to be defined - */ -#define DEF_PARTIAL_ELLIPSE_FN(FN_NAME, PIXMAP_T, PIXVAL_T, PUTPIXEL) \ -static void FN_NAME(PIXMAP_T pixmap, int xcenter, int ycenter, int a, int b, \ - int start, int end, PIXVAL_T pixval) \ -{ \ - double startAngle = GP_NormalizeAngle(2*M_PI*(start / 360000.0)); \ - double endAngle = GP_NormalizeAngle(2*M_PI*(end / 360000.0)); \ -\ - int x; \ - for (x = -a; x <= a; x++) { \ - double angle = acos(((double) x) / a); \ - double y = floor(b*sin(angle)); \ - if (GP_AngleInRange(angle, startAngle, endAngle)) { \ - PUTPIXEL(pixmap, xcenter+x, ycenter-y, pixval); \ - } \ - if (GP_AngleInRange(2*M_PI - angle, startAngle, endAngle)) { \ - PUTPIXEL(pixmap, xcenter+x, ycenter+y, pixval); \ - } \ - } \ -\ - int y; \ - for (y = -b; y <= b; y++) { \ - double angle = asin(((double) y) / b); \ - double x = floor(a*cos(angle)); \ - if (GP_AngleInRange(angle, startAngle, endAngle)) { \ - PUTPIXEL(pixmap, xcenter+x, ycenter-y, pixval); \ - } \ - if (GP_AngleInRange(M_PI - angle, startAngle, endAngle)) { \ - PUTPIXEL(pixmap, xcenter-x, ycenter-y, pixval); \ - } \ - } \ -} -

commit 4b85b2f8355a32e7c9b150a9a451aff558694a88 Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 13:17:55 +0200 URL: http://repo.or.cz/gfxprim.git/4b85b2f8355a32e7

demos: py_simple: Remove *_AA.py

Signed-off-by: Cyril Hrubis metan@ucw.cz --- demos/py_simple/gravplots_AA.py | 112 -------------------------------- demos/py_simple/sinplots_AA.py | 59 ----------------- 2 files changed, 171 deletions(-) delete mode 100755 demos/py_simple/gravplots_AA.py delete mode 100755 demos/py_simple/sinplots_AA.py

diff --git a/demos/py_simple/gravplots_AA.py b/demos/py_simple/gravplots_AA.py deleted file mode 100755 index 5de7bcc6a0a7..000000000000 --- a/demos/py_simple/gravplots_AA.py +++ /dev/null @@ -1,112 +0,0 @@ -#!/usr/bin/env python -import gfxprim.core as core -import gfxprim.backends as backends -import gfxprim.loaders as loaders -import gfxprim.gfx as gfx -import random -from math import sqrt - -AA = True -W = 320*2 -H = 240*2 -BPP = 24 -N = 8 # Try 5 or 42 - -# Gravity, brake factor and desired total speeds (in dir. X and total) -G = 0.1 # Adjust: 0.1 for N<20, 0.01 for N=100 -BRAKE = 0.001 -VX0 = 0.6 -V0 = 0.9 - -# Try one max and other ~50 : -MAXR = 255 -MAXG = 255 -MAXB = 255 - -# timeout in moves, -1 for none -TIMEOUT = -1 -# after timeout save to this file, None for none -SAVETO = "gravplot.png" - -class elem(object): - def __init__(self): - #self.x = random.uniform(0.0 * W, 0.6 * W) - self.x = 0 - self.y = random.uniform(0.2 * H, 0.8 * H) - self.vx = random.uniform(VX0 - 0.5, VX0 + 0.5) - self.vy = random.uniform(-0.5, 0.5) - self.r = random.randint(MAXR / 5, MAXR) - self.g = random.randint(MAXG / 5, MAXG) - self.b = random.randint(MAXB / 5, MAXB) - - def grav(self, other, t): - dx = other.x - self.x - dy = other.y - self.y - # Minimal distance is bounded - d2 = max(dx ** 2 + dy ** 2, 0.1 ** 2) - f = G / d2 - self.vx += dx * f * t - self.vy += dy * f * t - - def move(self, t): - self.x += self.vx * t - self.y += self.vy * t - # "Gravity" to y=H/2 - if self.y > 0.6 * H: - self.vy -= V0 * t * BRAKE - if self.y < 0.4 * H: - self.vy += V0 * t * BRAKE - # Magic to adjust speed - v = sqrt(self.vx ** 2 + self.vy ** 2) - self.vx *= (1.0 - BRAKE) + (BRAKE * V0 / v) - self.vy *= (1.0 - BRAKE) + (BRAKE * V0 / v) - self.vx = (1.0 - BRAKE) * self.vx + BRAKE * VX0 - # Bound speed - self.vx = max(min(self.vx, 4.0), -4.0) - self.vy = max(min(self.vy, 4.0), -4.0) - - -def main(): - bk = backends.BackendSDLInit(W, H, BPP, 0, "Gravplots AA") - assert bk - print(bk) - print("Modify source for parameters,") - print("Kill to terminate ;-)") - black = bk.pixmap.RGBToPixel(0, 0, 0) - - es = [elem() for i in range(N)] - while True: - for e in es: - for e2 in es: - if not (e is e2): - e.grav(e2, 1.0) - for e in es: - e.move(1.0) - if AA: - x = int((e.x % W) * 0x100) - y = int(e.y * 0x100) - if e.vx > 0.2: - bk.pixmap.gfx.VLineAA(x + 0x100, y - 0x300, y + 0x300, black) - if e.vx < -0.2: - bk.pixmap.gfx.VLineAA(x - 0x100, y - 0x300, y + 0x300, black) - bk.pixmap.gfx.PutPixelAA(x, y, bk.pixmap.RGBToPixel(e.r, e.g, e.b)) - else: - x = int(e.x % W) - y = int(e.y) - if e.vx > 0.2: - bk.pixmap.gfx.VLine(x + 1, y - 2, y + 2, black) - if e.vx < -0.2: - bk.pixmap.gfx.VLine(x - 1, y - 2, y + 2, black) - bk.pixmap.core.PutPixel(x, y, bk.pixmap.RGBToPixel(e.r, e.g, e.b)) - bk.Poll() - bk.Flip() - global TIMEOUT - if TIMEOUT > 0: - TIMEOUT -= 1 - if TIMEOUT == 0: - break - if SAVETO: - bk.pixmap.Save(SAVETO) - -if __name__ == '__main__': - main() diff --git a/demos/py_simple/sinplots_AA.py b/demos/py_simple/sinplots_AA.py deleted file mode 100755 index 44afd21ecb7c..000000000000 --- a/demos/py_simple/sinplots_AA.py +++ /dev/null @@ -1,59 +0,0 @@ -#!/usr/bin/env python -import gfxprim.core as core -import gfxprim.backends as backends -import gfxprim.gfx as gfx -import random -from math import sin - -AA = True -W = 320 -H = 240 -N = 10 - -class plotter(object): - def __init__(self): - self.x0 = random.uniform(0, W) - self.y0 = random.uniform(H*0.2, H*0.8) - self.a = H * (0.06 + random.uniform(0, 0.1) + random.uniform(0, 0.2)) - self.period = 4.0 + random.expovariate(4.0/W) - self.speed = random.uniform(0.04, min(max(0.05, 0.5 * self.period / self.a), 1.0)) - def pos(self, t): - x = self.x0 + self.speed * t - y = self.y0 + sin(x / self.period) * self.a - return (x % W, y) - def color(self, t): - return ( - 128 + 120 * sin(t / (self.a + 10.0)), - 128 + 120 * sin(t / (self.y0 + 3.0)), - 128 + 120 * sin(t / (self.x0 + 5.0))) - - -def main(): - bk = backends.BackendSDLInit(W, H, 16, 0, "Sinplots AA") - assert bk - print(bk) - print("Modify source for parameters,") - print("Kill to terminate ;-)") - black = bk.pixmap.RGBToPixel(0, 0, 0) - - ps = [plotter() for i in range(N)] - t = random.uniform(0.0, 10.0 * W) - while True: - t += 1.0 - for p in ps: - (x, y) = p.pos(t) - (r, g, b) = p.color(t) - if AA: - x = int(x * 0x100) - y = int(y * 0x100) - bk.pixmap.gfx.VLineAA(x + 0x100, y - 0x200, y + 0x200, black) - bk.pixmap.gfx.PutPixelAA(x, y, bk.pixmap.RGBToPixel(int(r), int(g), int(b))) - else: - x = int(x) - y = int(y) - bk.pixmap.gfx.VLine(x + 1, y - 2, y + 2, black) - bk.pixmap.core.PutPixel(x, y, bk.pixmap.RGBToPixel(int(r), int(g), int(b))) - bk.Flip() - -if __name__ == '__main__': - main()

commit 8037a5517128c97aeaedaba084c158d3f3f37935 Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 13:15:38 +0200 URL: http://repo.or.cz/gfxprim.git/8037a5517128c97a

demos: c_simple: Remove sin_AA

Signed-off-by: Cyril Hrubis metan@ucw.cz --- demos/c_simple/Makefile | 3 +- demos/c_simple/sin_AA.c | 126 ---------------------------------------- 2 files changed, 1 insertion(+), 128 deletions(-) delete mode 100644 demos/c_simple/sin_AA.c

diff --git a/demos/c_simple/Makefile b/demos/c_simple/Makefile index 0525e72131e5..f12f491b7fcf 100644 --- a/demos/c_simple/Makefile +++ b/demos/c_simple/Makefile @@ -16,7 +16,7 @@ APPS=backend_example loaders_example loaders filters_symmetry gfx_koch\ virtual_backend_example meta_data showimage\ v4l2_show v4l2_grab convolution weighted_median shapetest koch \ input_example fileview linetest randomshapetest fonttest\ - loaders_register blittest textaligntest sin_AA x11_windows\ + loaders_register blittest textaligntest x11_windows\ debug_handler gaussian_noise version pretty_print timers\ zip_container backend_timers_example memory_io data_storage

@@ -50,7 +50,6 @@ textaligntest: LDLIBS+=-lgfxprim-backends loaders_register: LDLIBS+=-lgfxprim-loaders gaussian_noise: LDLIBS+=-lgfxprim-loaders blittest: LDLIBS+=-lgfxprim-backends -lgfxprim-loaders -sin_AA: LDLIBS+=-lgfxprim-backends -lm x11_windows: LDLIBS+=-lgfxprim-backends zip_container: LDLIBS+=-lgfxprim-loaders -lgfxprim-backends memory_io: LDLIBS+=-lgfxprim-backends -lgfxprim-loaders diff --git a/demos/c_simple/sin_AA.c b/demos/c_simple/sin_AA.c deleted file mode 100644 index 0191918a2e80..000000000000 --- a/demos/c_simple/sin_AA.c +++ /dev/null @@ -1,126 +0,0 @@ -/***************************************************************************** - * This file is part of gfxprim library. * - * * - * Gfxprim is free software; you can redistribute it and/or * - * modify it under the terms of the GNU Lesser General Public * - * License as published by the Free Software Foundation; either * - * version 2.1 of the License, or (at your option) any later version. * - * * - * Gfxprim is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with gfxprim; if not, write to the Free Software * - * Foundation, Inc., 51 Franklin Street, Fifth Floor, * - * Boston, MA 02110-1301 USA * - * * - * Copyright (C) 2009-2013 Cyril Hrubis metan@ucw.cz * - * * - *****************************************************************************/ - -/* - - Simple example that shows HLineAA() usage. - - */ - -#include <stdio.h> -#include <errno.h> -#include <string.h> - -#include <GP.h> - -static void redraw(GP_Pixmap *pixmap) -{ - static float param = 1; - static float param2 = 0.01; - static int flag = 1; - GP_Pixel b = GP_RGBToPixmapPixel(0xbe, 0xbe, 0x9e, pixmap); - unsigned int y; - - GP_Fill(pixmap, b); - - for (y = 0; y < pixmap->w; y++) { - GP_Coord x0, x1, l1, l2; - - x0 = (pixmap->w)<<7; - x1 = (pixmap->w)<<7; - - l1 = (pixmap->w)<<5; - l2 = (pixmap->w)<<3; - - GP_Pixel p = GP_RGBToPixmapPixel(120 - 3 * param, abs(40 * param), 0, pixmap); - - l2 *= 4.00 * y / pixmap->h; - - l1 *= param; - - x0 += l1 * sin(param2 * y) + l2; - x1 -= l1 * cos(param2 * y) + l2; - - GP_HLineAA(pixmap, x0, x1, y<<8, p); - } - - if (flag) { - param -= 0.02; - - if (param <= -2.40) { - flag = 0; - param2 += 0.01; - - if (param2 > 0.02) - param2 = 0.01; - } - } else { - param += 0.02; - - if (param >= 2.40) - flag = 1; - } -} - -int main(void) -{ - GP_Backend *backend; - static int pause_flag = 0; - - /* Initalize backend */ - backend = GP_BackendX11Init(NULL, 0, 0, 800, 600, "sin AA", 0); - - if (backend == NULL) { - fprintf(stderr, "Failed to initalize backend\n"); - return 1; - } - - /* Wait for events */ - for (;;) { - if (!pause_flag) { - redraw(backend->pixmap); - GP_BackendFlip(backend); - } - - GP_BackendPoll(backend); - - GP_Event ev; - - while (GP_BackendGetEvent(backend, &ev)) { - if (ev.type == GP_EV_KEY && ev.code == GP_EV_KEY_DOWN) { - switch (ev.val.val) { - case GP_KEY_ESC: - case GP_KEY_Q: - GP_BackendExit(backend); - return 0; - case GP_KEY_P: - pause_flag = !pause_flag; - break; - } - } - } - - usleep(10000); - } - - return 0; -}

commit 97cdacf0adedaba34769631b8f506924d61b3e36 Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 12:53:07 +0200 URL: http://repo.or.cz/gfxprim.git/97cdacf0adedaba3

loaders: PNG: Handle gamma on 16bpp conversion

Signed-off-by: Cyril Hrubis metan@ucw.cz --- libs/loaders/GP_PNG.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/libs/loaders/GP_PNG.c b/libs/loaders/GP_PNG.c index 21b5b133fc71..fa01db1c5939 100644 --- a/libs/loaders/GP_PNG.c +++ b/libs/loaders/GP_PNG.c @@ -35,6 +35,7 @@ #include "../../config.h" #include "core/GP_ByteOrder.h" #include "core/GP_Debug.h" +#include "core/GP_GammaCorrection.h"

#include "GP_PNG.h"

@@ -178,7 +179,7 @@ static int read_bitmap(GP_Pixmap *res, GP_ProgressCallback *callback, }

static int read_convert_bitmap(GP_Pixmap *res, GP_ProgressCallback *callback, - png_structp png, int passes) + png_structp png, int passes, double gamma) { uint16_t *row;

@@ -200,11 +201,19 @@ static int read_convert_bitmap(GP_Pixmap *res, GP_ProgressCallback *callback, uint8_t *rrow = GP_PIXEL_ADDR(res, 0, y); unsigned int x = 0;

- //TODO: Gamma - for (x = 0; x < res->w; x++) { - rrow[3*x] = row[3 * x]>>8; - rrow[3*x + 1] = row[3 * x + 1]>>8; - rrow[3*x + 2] = row[3 * x + 2]>>8; + + if (gamma > 0.1) { + for (x = 0; x < res->w; x++) { + rrow[3*x] = row[3 * x]>>8; + rrow[3*x + 1] = row[3 * x + 1]>>8; + rrow[3*x + 2] = row[3 * x + 2]>>8; + } + } else { + for (x = 0; x < res->w; x++) { + rrow[3*x] = GP_Linear16ToGamma8(row[3 * x]); + rrow[3*x + 1] = GP_Linear16ToGamma8(row[3 * x + 1]); + rrow[3*x + 2] = GP_Linear16ToGamma8(row[3 * x + 2]); + } }

if (GP_ProgressCallbackReport(callback, y, res->h, res->w)) { @@ -390,7 +399,7 @@ int GP_ReadPNGEx(GP_IO *io, GP_Pixmap **img, } #endif if (convert_16_to_8) { - if ((err = read_convert_bitmap(res, callback, png, passes))) + if ((err = read_convert_bitmap(res, callback, png, passes, gamma))) goto err3; } else { if ((err = read_bitmap(res, callback, png, passes)))

commit 55369a6db09675043a60fe95c2b0f010143de78e Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 12:32:44 +0200 URL: http://repo.or.cz/gfxprim.git/55369a6db0967504

core: GP_GammaCorrection.gen.h.t: Add 16bpp helpers

Add 16bpp linear to gamma helpers.

Signed-off-by: Cyril Hrubis metan@ucw.cz --- include/core/GP_GammaCorrection.gen.h.t | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/include/core/GP_GammaCorrection.gen.h.t b/include/core/GP_GammaCorrection.gen.h.t index 59610665c186..593324b966b6 100644 --- a/include/core/GP_GammaCorrection.gen.h.t +++ b/include/core/GP_GammaCorrection.gen.h.t @@ -21,4 +21,9 @@ static inline uint8_t GP_Linear10ToGamma{{ i }}(uint16_t val) return (GP_Linear10_Gamma8[val] + {{ int(2 ** (7 - i))}})>>{{8 - i}}; }

+static inline uint8_t GP_Linear16ToGamma{{ i }}(uint16_t val) +{ + return (GP_Linear10_Gamma8[val>>6] + {{ int(2 ** (7 - i))}})>>{{8 - i}}; +} + @ end

commit 852fad1c42dbd29205b14d721deff3439c8af635 Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 12:23:29 +0200 URL: http://repo.or.cz/gfxprim.git/852fad1c42dbd292

loaders: PNG: Add support for loading 16bpp RGB

The data are converted to 8bpp RGB at this point.

Signed-off-by: Cyril Hrubis metan@ucw.cz --- libs/loaders/GP_PNG.c | 96 ++++++++++++++++++++++++++++++++++--------- 1 file changed, 76 insertions(+), 20 deletions(-)

diff --git a/libs/loaders/GP_PNG.c b/libs/loaders/GP_PNG.c index ce8f650074a0..21b5b133fc71 100644 --- a/libs/loaders/GP_PNG.c +++ b/libs/loaders/GP_PNG.c @@ -153,6 +153,71 @@ static void load_meta_data(png_structp png, png_infop png_info, } }

+static int read_bitmap(GP_Pixmap *res, GP_ProgressCallback *callback, + png_structp png, int passes) +{ + uint32_t y; + int p; + + /* + * The passes are needed for adam7 interlacing. + */ + for (p = 0; p < passes; p++) { + for (y = 0; y < res->h; y++) { + png_bytep row = GP_PIXEL_ADDR(res, 0, y); + png_read_row(png, row, NULL); + + if (GP_ProgressCallbackReport(callback, y + res->h * p, res->h * passes, res->w)) { + GP_DEBUG(1, "Operation aborted"); + return ECANCELED; + } + } + } + + return 0; +} + +static int read_convert_bitmap(GP_Pixmap *res, GP_ProgressCallback *callback, + png_structp png, int passes) +{ + uint16_t *row; + + if (passes > 1) { + GP_DEBUG(1, "Interlaced 16 bit PNG not supported"); + return ENOSYS; + } + + row = malloc(6 * res->w); + if (!row) { + GP_DEBUG(1, "Malloc failed :("); + return ENOMEM; + } + + unsigned int y; + + for (y = 0; y < res->h; y++) { + png_read_row(png, (void*)row, NULL); + uint8_t *rrow = GP_PIXEL_ADDR(res, 0, y); + unsigned int x = 0; + + //TODO: Gamma + for (x = 0; x < res->w; x++) { + rrow[3*x] = row[3 * x]>>8; + rrow[3*x + 1] = row[3 * x + 1]>>8; + rrow[3*x + 2] = row[3 * x + 2]>>8; + } + + if (GP_ProgressCallbackReport(callback, y, res->h, res->w)) { + GP_DEBUG(1, "Operation aborted"); + free(row); + return ECANCELED; + } + } + + free(row); + return 0; +} + int GP_ReadPNGEx(GP_IO *io, GP_Pixmap **img, GP_DataStorage *storage, GP_ProgressCallback *callback) { @@ -164,6 +229,7 @@ int GP_ReadPNGEx(GP_IO *io, GP_Pixmap **img, GP_Pixmap *res = NULL; int err, passes = 1; double gamma; + int convert_16_to_8 = 0;

png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);

@@ -250,6 +316,10 @@ int GP_ReadPNGEx(GP_IO *io, GP_Pixmap **img, case 8: pixel_type = GP_PIXEL_RGB888; break; + case 16: + pixel_type = GP_PIXEL_RGB888; + convert_16_to_8 = 1; + break; } break; case PNG_COLOR_TYPE_RGB | PNG_COLOR_MASK_ALPHA: @@ -319,26 +389,12 @@ int GP_ReadPNGEx(GP_IO *io, GP_Pixmap **img, png_set_swap(png); } #endif - - uint32_t y; - int p; - - /* - * Do the actuall reading. - * - * The passes are needed for adam7 interlacing. - */ - for (p = 0; p < passes; p++) { - for (y = 0; y < h; y++) { - png_bytep row = GP_PIXEL_ADDR(res, 0, y); - png_read_row(png, row, NULL); - - if (GP_ProgressCallbackReport(callback, y + h * p, h * passes, w)) { - GP_DEBUG(1, "Operation aborted"); - err = ECANCELED; - goto err3; - } - } + if (convert_16_to_8) { + if ((err = read_convert_bitmap(res, callback, png, passes))) + goto err3; + } else { + if ((err = read_bitmap(res, callback, png, passes))) + goto err3; }

exit:

commit 31709183a28656764eb165da6f8492d67102f556 Author: Cyril Hrubis metan@ucw.cz Date: Mon, 23 Oct 2017 11:55:47 +0200 URL: http://repo.or.cz/gfxprim.git/31709183a2865676

demos/loaders_register: Fix progress callback

Signed-off-by: Cyril Hrubis metan@ucw.cz --- demos/c_simple/loaders_register.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demos/c_simple/loaders_register.c b/demos/c_simple/loaders_register.c index 4279c51f1014..cc2c0a15adba 100644 --- a/demos/c_simple/loaders_register.c +++ b/demos/c_simple/loaders_register.c @@ -82,7 +82,7 @@ static int write_data(const GP_Pixmap *img, GP_IO *io, if (GP_IOFlush(bio, "\n", 1)) return 1;

- if (GP_ProgressCallbackReport(callback, img->h, j, img->w)) { + if (GP_ProgressCallbackReport(callback, j, img->h, img->w)) { errno = ECANCELED; return 1; }

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

Summary of changes: build/syms/Core_symbols.txt | 1 + build/syms/GFX_symbols.txt | 7 -- demos/c_simple/Makefile | 3 +- demos/c_simple/loaders_register.c | 2 +- demos/c_simple/sin_AA.c | 126 ------------------------ demos/py_simple/gravplots_AA.py | 112 --------------------- demos/py_simple/sinplots_AA.py | 59 ----------- demos/spiv/image_list.c | 3 + demos/spiv/spiv.c | 2 +- include/core/GP_GammaCorrection.gen.h.t | 5 + include/core/GP_Pixmap.h | 5 + include/gfx/GP_AngleUtils.h | 30 ------ libs/core/GP_Gamma.c | 7 +- libs/core/{GP_Context.c => GP_Pixmap.c} | 9 ++ libs/gfx/GP_AngleUtils.c | 49 --------- libs/gfx/GP_PartialEllipse.c | 55 ----------- libs/gfx/algo/PartialEllipse.algo.h | 69 ------------- libs/loaders/GP_PNG.c | 111 +++++++++++++++++---- 18 files changed, 123 insertions(+), 532 deletions(-) delete mode 100644 demos/c_simple/sin_AA.c delete mode 100755 demos/py_simple/gravplots_AA.py delete mode 100755 demos/py_simple/sinplots_AA.py delete mode 100644 include/gfx/GP_AngleUtils.h rename libs/core/{GP_Context.c => GP_Pixmap.c} (98%) delete mode 100644 libs/gfx/GP_AngleUtils.c delete mode 100644 libs/gfx/GP_PartialEllipse.c delete mode 100644 libs/gfx/algo/PartialEllipse.algo.h

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