mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-27 06:00:22 +00:00
d97cdbdf53
2008-06-21 Johan Dahlin <jdahlin@async.com.br>
* *.[ch]: Include "config.h" instead of <config.h>
Command used:
find -name \*.[ch]|xargs perl -p -i -e 's/^#include <config.h>/#include "config.h"/g'
Rubberstamped by Mitch and Tim
svn path=/trunk/; revision=20669
242 lines
9.4 KiB
C
242 lines
9.4 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
|
||
|
||
/* GdkPixbuf library - test program
|
||
*
|
||
* Copyright (C) 1999 The Free Software Foundation
|
||
*
|
||
* Author: Federico Mena-Quintero <federico@gimp.org>
|
||
*
|
||
* This program is free software; you can redistribute it and/or modify
|
||
* it under the terms of the GNU General Public License as published by
|
||
* the Free Software Foundation; either version 2 of the License, or
|
||
* (at your option) any later version.
|
||
*
|
||
* This program 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 General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU General Public License
|
||
* along with this program; if not, write to the Free Software
|
||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
||
*/
|
||
|
||
#include "config.h"
|
||
|
||
#include <stdlib.h>
|
||
#include "gdk-pixbuf.h"
|
||
#include <glib-object.h>
|
||
|
||
|
||
|
||
static void
|
||
store_pixel (guchar *pixels,
|
||
int pixel,
|
||
gboolean alpha)
|
||
{
|
||
if (alpha) {
|
||
pixels[0] = pixel >> 24;
|
||
pixels[1] = pixel >> 16;
|
||
pixels[2] = pixel >> 8;
|
||
pixels[3] = pixel;
|
||
} else {
|
||
pixels[0] = pixel >> 16;
|
||
pixels[1] = pixel >> 8;
|
||
pixels[2] = pixel;
|
||
}
|
||
}
|
||
|
||
static void
|
||
fill_with_pixel (GdkPixbuf *pixbuf,
|
||
int pixel)
|
||
{
|
||
int x, y;
|
||
|
||
for (x = 0; x < gdk_pixbuf_get_width (pixbuf); x++) {
|
||
for (y = 0; y < gdk_pixbuf_get_height (pixbuf); y++) {
|
||
store_pixel (gdk_pixbuf_get_pixels (pixbuf)
|
||
+ y * gdk_pixbuf_get_rowstride (pixbuf)
|
||
+ x * gdk_pixbuf_get_n_channels (pixbuf),
|
||
pixel,
|
||
gdk_pixbuf_get_has_alpha (pixbuf));
|
||
}
|
||
}
|
||
}
|
||
|
||
static int
|
||
load_pixel (const guchar *pixels,
|
||
gboolean alpha)
|
||
{
|
||
if (alpha)
|
||
return (((((pixels[0] << 8) | pixels[1]) << 8) | pixels[2]) << 8) | pixels[3];
|
||
else
|
||
return (((pixels[0] << 8) | pixels[1]) << 8) | pixels[2];
|
||
}
|
||
|
||
static gboolean
|
||
simple_composite_test_one (GdkInterpType type,
|
||
int source_pixel,
|
||
gboolean source_alpha,
|
||
int destination_pixel,
|
||
gboolean destination_alpha,
|
||
int expected_result)
|
||
{
|
||
GdkPixbuf *source_pixbuf;
|
||
GdkPixbuf *destination_pixbuf;
|
||
int result_pixel;
|
||
|
||
source_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, source_alpha, 8, 32, 32);
|
||
destination_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, destination_alpha, 8, 32, 32);
|
||
|
||
fill_with_pixel (source_pixbuf, source_pixel);
|
||
fill_with_pixel (destination_pixbuf, destination_pixel);
|
||
|
||
gdk_pixbuf_composite (source_pixbuf, destination_pixbuf,
|
||
0, 0, 32, 32, 0, 0, 1, 1, type, 0xFF);
|
||
|
||
result_pixel = load_pixel (gdk_pixbuf_get_pixels (destination_pixbuf)
|
||
+ 16 * gdk_pixbuf_get_rowstride (destination_pixbuf)
|
||
+ 16 * gdk_pixbuf_get_n_channels (destination_pixbuf),
|
||
destination_alpha);
|
||
|
||
g_object_unref (source_pixbuf);
|
||
g_object_unref (destination_pixbuf);
|
||
|
||
if (result_pixel != expected_result) {
|
||
char *interpolation_type, *source_string, *destination_string, *result_string, *expected_string;
|
||
|
||
switch (type) {
|
||
case GDK_INTERP_NEAREST: interpolation_type = "GDK_INTERP_NEAREST"; break;
|
||
case GDK_INTERP_TILES: interpolation_type = "GDK_INTERP_TILES"; break;
|
||
case GDK_INTERP_BILINEAR: interpolation_type = "GDK_INTERP_BILINEAR"; break;
|
||
case GDK_INTERP_HYPER: interpolation_type = "GDK_INTERP_HYPER"; break;
|
||
default: interpolation_type = "???";
|
||
}
|
||
|
||
if (source_alpha) {
|
||
source_string = g_strdup_printf ("0x%08X", source_pixel);
|
||
} else {
|
||
source_string = g_strdup_printf ("0x%06X", source_pixel);
|
||
}
|
||
|
||
if (destination_alpha) {
|
||
destination_string = g_strdup_printf ("0x%08X", destination_pixel);
|
||
result_string = g_strdup_printf ("0x%08X", result_pixel);
|
||
expected_string = g_strdup_printf ("0x%08X", expected_result);
|
||
} else {
|
||
destination_string = g_strdup_printf ("0x%06X", destination_pixel);
|
||
result_string = g_strdup_printf ("0x%06X", result_pixel);
|
||
expected_string = g_strdup_printf ("0x%06X", expected_result);
|
||
}
|
||
|
||
g_message ("simple_composite_test (%s): composite %s on top of %s, expected %s, got %s",
|
||
interpolation_type,
|
||
source_string, destination_string, expected_string, result_string);
|
||
return FALSE;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
simple_composite_test_one_type (GdkInterpType type)
|
||
{
|
||
gboolean success;
|
||
|
||
success = TRUE;
|
||
|
||
/* There are only a few trivial cases in here.
|
||
* But these were enough to expose the problems in the old composite code.
|
||
*/
|
||
|
||
/* Non-alpha into non-alpha. */
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0x000000, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFFFFFF, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0xFF0000, FALSE, 0x000000, FALSE, 0xFF0000);
|
||
success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0x000000, FALSE, 0x00FF00);
|
||
success &= simple_composite_test_one (type, 0x0000FF, FALSE, 0x000000, FALSE, 0x0000FF);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFF0000, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0x00FF00, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0x0000FF, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0xFFFFFF, FALSE, 0x00FF00);
|
||
success &= simple_composite_test_one (type, 0xFFFFFF, FALSE, 0xFFFFFF, FALSE, 0xFFFFFF);
|
||
|
||
/* Alpha into non-alpha. */
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x000000, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFFFFFF, FALSE, 0xFFFFFF);
|
||
success &= simple_composite_test_one (type, 0x0000007F, TRUE, 0xFFFFFF, FALSE, 0x808080);
|
||
success &= simple_composite_test_one (type, 0x00000080, TRUE, 0xFFFFFF, FALSE, 0x7F7F7F);
|
||
success &= simple_composite_test_one (type, 0x000000FF, TRUE, 0xFFFFFF, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0x000000FF, TRUE, 0xFFFFFF, FALSE, 0x000000);
|
||
success &= simple_composite_test_one (type, 0xFF0000FF, TRUE, 0x000000, FALSE, 0xFF0000);
|
||
success &= simple_composite_test_one (type, 0x00FF00FF, TRUE, 0x000000, FALSE, 0x00FF00);
|
||
success &= simple_composite_test_one (type, 0x0000FFFF, TRUE, 0x000000, FALSE, 0x0000FF);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFF0000, FALSE, 0xFF0000);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x00FF00, FALSE, 0x00FF00);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x0000FF, FALSE, 0x0000FF);
|
||
success &= simple_composite_test_one (type, 0x00FF0080, TRUE, 0xFFFFFF, FALSE, 0x7FFF7F);
|
||
success &= simple_composite_test_one (type, 0xFFFFFFFF, TRUE, 0xFFFFFF, FALSE, 0xFFFFFF);
|
||
|
||
/* Non-alpha into alpha. */
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0x00000000, TRUE, 0x000000FF);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFFFFFFFF, TRUE, 0x000000FF);
|
||
success &= simple_composite_test_one (type, 0xFF0000, FALSE, 0x00000000, TRUE, 0xFF0000FF);
|
||
success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0x00000000, TRUE, 0x00FF00FF);
|
||
success &= simple_composite_test_one (type, 0x0000FF, FALSE, 0x00000000, TRUE, 0x0000FFFF);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFF0000FF, TRUE, 0x000000FF);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0x00FF00FF, TRUE, 0x000000FF);
|
||
success &= simple_composite_test_one (type, 0x000000, FALSE, 0x0000FFFF, TRUE, 0x000000FF);
|
||
success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0xFFFFFF00, TRUE, 0x00FF00FF);
|
||
success &= simple_composite_test_one (type, 0xFFFFFF, FALSE, 0xFFFFFFFF, TRUE, 0xFFFFFFFF);
|
||
|
||
/* Alpha into alpha. */
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x00000000, TRUE, 0x00000000);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFFFFFFFF, TRUE, 0xFFFFFFFF);
|
||
success &= simple_composite_test_one (type, 0x0000007F, TRUE, 0xFFFFFFFF, TRUE, 0x808080FF);
|
||
success &= simple_composite_test_one (type, 0x00000080, TRUE, 0xFFFFFFFF, TRUE, 0x7F7F7FFF);
|
||
success &= simple_composite_test_one (type, 0x000000FF, TRUE, 0xFFFFFFFF, TRUE, 0x000000FF);
|
||
success &= simple_composite_test_one (type, 0xFF0000FF, TRUE, 0x00000000, TRUE, 0xFF0000FF);
|
||
success &= simple_composite_test_one (type, 0x00FF00FF, TRUE, 0x00000000, TRUE, 0x00FF00FF);
|
||
success &= simple_composite_test_one (type, 0x0000FFFF, TRUE, 0x00000000, TRUE, 0x0000FFFF);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFF0000FF, TRUE, 0xFF0000FF);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x00FF00FF, TRUE, 0x00FF00FF);
|
||
success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x0000FFFF, TRUE, 0x0000FFFF);
|
||
success &= simple_composite_test_one (type, 0x00FF0080, TRUE, 0xFFFFFF00, TRUE, 0x00FF0080);
|
||
success &= simple_composite_test_one (type, 0xFF000080, TRUE, 0x00FF0040, TRUE, 0xCC32009F);
|
||
success &= simple_composite_test_one (type, 0xFFFFFFFF, TRUE, 0xFFFFFFFF, TRUE, 0xFFFFFFFF);
|
||
|
||
return success;
|
||
}
|
||
|
||
static gboolean
|
||
simple_composite_test (void)
|
||
{
|
||
gboolean success;
|
||
|
||
success = TRUE;
|
||
|
||
success &= simple_composite_test_one_type (GDK_INTERP_NEAREST);
|
||
success &= simple_composite_test_one_type (GDK_INTERP_TILES);
|
||
success &= simple_composite_test_one_type (GDK_INTERP_BILINEAR);
|
||
success &= simple_composite_test_one_type (GDK_INTERP_HYPER);
|
||
|
||
return success;
|
||
}
|
||
|
||
int
|
||
main (int argc, char **argv)
|
||
{
|
||
int result;
|
||
|
||
result = EXIT_SUCCESS;
|
||
|
||
g_type_init ();
|
||
|
||
/* Run some tests. */
|
||
if (!simple_composite_test ()) {
|
||
result = EXIT_FAILURE;
|
||
}
|
||
|
||
return result;
|
||
}
|