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ba46da61a7
2001-02-19 Alexander Larsson <alexl@redhat.com> * gdk/linux-fb/gdkimage-fb.c (gdk_image_new_bitmap): Copy data and free data with free(). * gdk-pixbuf/gdk-pixbuf.c: * gdk-pixbuf/io-jpeg.c: * gdk-pixbuf/io-png.c: Use g_try_malloc/g_free instead malloc/free. * gdk-pixbuf/test-gdk-pixbuf.c: Must... initialize... gobject... * gdk-pixbuf/pixops/timescale.c: * gtk/gtkcalendar.c: Use g_malloc instead of malloc.
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 -*- */
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/* GdkPixbuf library - test program
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*
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* Copyright (C) 1999 The Free Software Foundation
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*
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* Author: Federico Mena-Quintero <federico@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include "gdk-pixbuf.h"
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#include <gobject/gtype.h>
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static void
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store_pixel (guchar *pixels,
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int pixel,
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gboolean alpha)
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{
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if (alpha) {
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pixels[0] = pixel >> 24;
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pixels[1] = pixel >> 16;
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pixels[2] = pixel >> 8;
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pixels[3] = pixel;
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} else {
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pixels[0] = pixel >> 16;
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pixels[1] = pixel >> 8;
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pixels[2] = pixel;
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}
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}
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static void
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fill_with_pixel (GdkPixbuf *pixbuf,
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int pixel)
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{
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int x, y;
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for (x = 0; x < gdk_pixbuf_get_width (pixbuf); x++) {
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for (y = 0; y < gdk_pixbuf_get_height (pixbuf); y++) {
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store_pixel (gdk_pixbuf_get_pixels (pixbuf)
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+ y * gdk_pixbuf_get_rowstride (pixbuf)
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+ x * gdk_pixbuf_get_n_channels (pixbuf),
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pixel,
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gdk_pixbuf_get_has_alpha (pixbuf));
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}
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}
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}
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static int
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load_pixel (const guchar *pixels,
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gboolean alpha)
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{
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if (alpha)
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return (((((pixels[0] << 8) | pixels[1]) << 8) | pixels[2]) << 8) | pixels[3];
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else
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return (((pixels[0] << 8) | pixels[1]) << 8) | pixels[2];
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}
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static gboolean
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simple_composite_test_one (GdkInterpType type,
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int source_pixel,
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gboolean source_alpha,
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int destination_pixel,
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gboolean destination_alpha,
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int expected_result)
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{
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GdkPixbuf *source_pixbuf;
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GdkPixbuf *destination_pixbuf;
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int result_pixel;
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source_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, source_alpha, 8, 32, 32);
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destination_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, destination_alpha, 8, 32, 32);
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fill_with_pixel (source_pixbuf, source_pixel);
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fill_with_pixel (destination_pixbuf, destination_pixel);
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gdk_pixbuf_composite (source_pixbuf, destination_pixbuf,
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0, 0, 32, 32, 0, 0, 1, 1, type, 0xFF);
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result_pixel = load_pixel (gdk_pixbuf_get_pixels (destination_pixbuf)
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+ 16 * gdk_pixbuf_get_rowstride (destination_pixbuf)
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+ 16 * gdk_pixbuf_get_n_channels (destination_pixbuf),
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destination_alpha);
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gdk_pixbuf_unref (source_pixbuf);
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gdk_pixbuf_unref (destination_pixbuf);
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if (result_pixel != expected_result) {
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char *interpolation_type, *source_string, *destination_string, *result_string, *expected_string;
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switch (type) {
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case GDK_INTERP_NEAREST: interpolation_type = "GDK_INTERP_NEAREST"; break;
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case GDK_INTERP_TILES: interpolation_type = "GDK_INTERP_TILES"; break;
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case GDK_INTERP_BILINEAR: interpolation_type = "GDK_INTERP_BILINEAR"; break;
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case GDK_INTERP_HYPER: interpolation_type = "GDK_INTERP_HYPER"; break;
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default: interpolation_type = "???";
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}
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if (source_alpha) {
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source_string = g_strdup_printf ("0x%08X", source_pixel);
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} else {
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source_string = g_strdup_printf ("0x%06X", source_pixel);
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}
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if (destination_alpha) {
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destination_string = g_strdup_printf ("0x%08X", destination_pixel);
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result_string = g_strdup_printf ("0x%08X", result_pixel);
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expected_string = g_strdup_printf ("0x%08X", expected_result);
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} else {
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destination_string = g_strdup_printf ("0x%06X", destination_pixel);
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result_string = g_strdup_printf ("0x%06X", result_pixel);
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expected_string = g_strdup_printf ("0x%06X", expected_result);
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}
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g_message ("simple_composite_test (%s): composite %s on top of %s, expected %s, got %s",
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interpolation_type,
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source_string, destination_string, expected_string, result_string);
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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simple_composite_test_one_type (GdkInterpType type)
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{
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gboolean success;
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success = TRUE;
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/* There are only a few trivial cases in here.
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* But these were enough to expose the problems in the old composite code.
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*/
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/* Non-alpha into non-alpha. */
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0x000000, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFFFFFF, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0xFF0000, FALSE, 0x000000, FALSE, 0xFF0000);
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success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0x000000, FALSE, 0x00FF00);
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success &= simple_composite_test_one (type, 0x0000FF, FALSE, 0x000000, FALSE, 0x0000FF);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFF0000, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0x00FF00, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0x0000FF, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0xFFFFFF, FALSE, 0x00FF00);
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success &= simple_composite_test_one (type, 0xFFFFFF, FALSE, 0xFFFFFF, FALSE, 0xFFFFFF);
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/* Alpha into non-alpha. */
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x000000, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFFFFFF, FALSE, 0xFFFFFF);
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success &= simple_composite_test_one (type, 0x0000007F, TRUE, 0xFFFFFF, FALSE, 0x808080);
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success &= simple_composite_test_one (type, 0x00000080, TRUE, 0xFFFFFF, FALSE, 0x7F7F7F);
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success &= simple_composite_test_one (type, 0x000000FF, TRUE, 0xFFFFFF, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0x000000FF, TRUE, 0xFFFFFF, FALSE, 0x000000);
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success &= simple_composite_test_one (type, 0xFF0000FF, TRUE, 0x000000, FALSE, 0xFF0000);
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success &= simple_composite_test_one (type, 0x00FF00FF, TRUE, 0x000000, FALSE, 0x00FF00);
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success &= simple_composite_test_one (type, 0x0000FFFF, TRUE, 0x000000, FALSE, 0x0000FF);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFF0000, FALSE, 0xFF0000);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x00FF00, FALSE, 0x00FF00);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x0000FF, FALSE, 0x0000FF);
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success &= simple_composite_test_one (type, 0x00FF0080, TRUE, 0xFFFFFF, FALSE, 0x7FFF7F);
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success &= simple_composite_test_one (type, 0xFFFFFFFF, TRUE, 0xFFFFFF, FALSE, 0xFFFFFF);
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/* Non-alpha into alpha. */
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0x00000000, TRUE, 0x000000FF);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFFFFFFFF, TRUE, 0x000000FF);
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success &= simple_composite_test_one (type, 0xFF0000, FALSE, 0x00000000, TRUE, 0xFF0000FF);
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success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0x00000000, TRUE, 0x00FF00FF);
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success &= simple_composite_test_one (type, 0x0000FF, FALSE, 0x00000000, TRUE, 0x0000FFFF);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0xFF0000FF, TRUE, 0x000000FF);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0x00FF00FF, TRUE, 0x000000FF);
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success &= simple_composite_test_one (type, 0x000000, FALSE, 0x0000FFFF, TRUE, 0x000000FF);
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success &= simple_composite_test_one (type, 0x00FF00, FALSE, 0xFFFFFF00, TRUE, 0x00FF00FF);
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success &= simple_composite_test_one (type, 0xFFFFFF, FALSE, 0xFFFFFFFF, TRUE, 0xFFFFFFFF);
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/* Alpha into alpha. */
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x00000000, TRUE, 0x00000000);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFFFFFFFF, TRUE, 0xFFFFFFFF);
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success &= simple_composite_test_one (type, 0x0000007F, TRUE, 0xFFFFFFFF, TRUE, 0x808080FF);
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success &= simple_composite_test_one (type, 0x00000080, TRUE, 0xFFFFFFFF, TRUE, 0x7F7F7FFF);
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success &= simple_composite_test_one (type, 0x000000FF, TRUE, 0xFFFFFFFF, TRUE, 0x000000FF);
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success &= simple_composite_test_one (type, 0xFF0000FF, TRUE, 0x00000000, TRUE, 0xFF0000FF);
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success &= simple_composite_test_one (type, 0x00FF00FF, TRUE, 0x00000000, TRUE, 0x00FF00FF);
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success &= simple_composite_test_one (type, 0x0000FFFF, TRUE, 0x00000000, TRUE, 0x0000FFFF);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0xFF0000FF, TRUE, 0xFF0000FF);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x00FF00FF, TRUE, 0x00FF00FF);
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success &= simple_composite_test_one (type, 0x00000000, TRUE, 0x0000FFFF, TRUE, 0x0000FFFF);
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success &= simple_composite_test_one (type, 0x00FF0080, TRUE, 0xFFFFFF00, TRUE, 0x00FF0080);
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success &= simple_composite_test_one (type, 0xFF000080, TRUE, 0x00FF0040, TRUE, 0xCC32009F);
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success &= simple_composite_test_one (type, 0xFFFFFFFF, TRUE, 0xFFFFFFFF, TRUE, 0xFFFFFFFF);
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return success;
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}
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static gboolean
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simple_composite_test (void)
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{
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gboolean success;
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success = TRUE;
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success &= simple_composite_test_one_type (GDK_INTERP_NEAREST);
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success &= simple_composite_test_one_type (GDK_INTERP_TILES);
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success &= simple_composite_test_one_type (GDK_INTERP_BILINEAR);
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success &= simple_composite_test_one_type (GDK_INTERP_HYPER);
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return success;
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}
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int
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main (int argc, char **argv)
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{
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int result;
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result = EXIT_SUCCESS;
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g_type_init (G_TYPE_DEBUG_NONE);
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/* Run some tests. */
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if (!simple_composite_test ()) {
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result = EXIT_FAILURE;
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}
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return result;
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}
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