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/* -*- Mode: C; c-basic-offset: 2; -*- */
/* GdkPixbuf library - test loaders
*
* Copyright (C) 2013 Red Hat, Inc.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Author: Matthias Clasen
*/
#include "gdk-pixbuf/gdk-pixbuf.h"
#include "test-common.h"
#include <string.h>
#define compare_option(p1, p2, key) \
g_strcmp0 (gdk_pixbuf_get_option (p1, key), gdk_pixbuf_get_option (p2, key))
static gboolean
pixdata_equal (GdkPixbuf *p1, GdkPixbuf *p2)
{
if (gdk_pixbuf_get_colorspace (p1) != gdk_pixbuf_get_colorspace (p2))
return FALSE;
if (gdk_pixbuf_get_n_channels (p1) != gdk_pixbuf_get_n_channels (p2))
return FALSE;
if (gdk_pixbuf_get_bits_per_sample (p1) != gdk_pixbuf_get_bits_per_sample (p2))
return FALSE;
if (gdk_pixbuf_get_width (p1) != gdk_pixbuf_get_width (p2))
return FALSE;
if (gdk_pixbuf_get_height (p1) != gdk_pixbuf_get_height (p2))
return FALSE;
if (gdk_pixbuf_get_rowstride (p1) != gdk_pixbuf_get_rowstride (p2))
return FALSE;
if (memcmp (gdk_pixbuf_get_pixels (p1), gdk_pixbuf_get_pixels (p2),
gdk_pixbuf_get_byte_length (p1)) != 0)
return FALSE;
return TRUE;
}
static gboolean
pixbuf_equal (GdkPixbuf *p1, GdkPixbuf *p2)
{
if (!pixdata_equal (p1, p2))
return FALSE;
if (compare_option (p1, p2, "Title") != 0)
return FALSE;
if (compare_option (p1, p2, "Artist") != 0)
return FALSE;
if (compare_option (p1, p2, "x_hot") != 0)
return FALSE;
if (compare_option (p1, p2, "y_hot") != 0)
return FALSE;
if (compare_option (p1, p2, "orientation") != 0)
return FALSE;
if (compare_option (p1, p2, "icc-profile") != 0)
return FALSE;
return TRUE;
}
static void
test_save_roundtrip (void)
{
GError *error = NULL;
GdkPixbuf *ref;
GdkPixbuf *pixbuf;
if (!format_supported ("png"))
{
g_test_skip ("format not supported");
return;
}
ref = gdk_pixbuf_new_from_file (g_test_get_filename (G_TEST_DIST, "test-image.png", NULL), &error);
g_assert_no_error (error);
gdk_pixbuf_save (ref, "pixbuf-save-roundtrip", "png", &error, NULL);
g_assert_no_error (error);
pixbuf = gdk_pixbuf_new_from_file ("pixbuf-save-roundtrip", &error);
g_assert_no_error (error);
g_assert (pixbuf_equal (pixbuf, ref));
g_object_unref (pixbuf);
g_object_unref (ref);
}
static void
test_save_ico (void)
{
GError *error = NULL;
GdkPixbuf *ref, *ref2;
GdkPixbuf *pixbuf;
if (!format_supported ("ico") || !format_supported ("png"))
{
g_test_skip ("format not supported");
return;
}
ref = gdk_pixbuf_new_from_file (g_test_get_filename (G_TEST_DIST, "test-image.png", NULL), &error);
g_assert_no_error (error);
ref2 = gdk_pixbuf_scale_simple (ref, 256, 256, GDK_INTERP_NEAREST);
g_object_unref (ref);
ref = ref2;
gdk_pixbuf_save (ref, "pixbuf-save-roundtrip", "ico", &error, NULL);
g_assert_no_error (error);
pixbuf = gdk_pixbuf_new_from_file ("pixbuf-save-roundtrip", &error);
g_assert_no_error (error);
g_assert (pixbuf_equal (pixbuf, ref));
g_object_unref (pixbuf);
g_object_unref (ref);
}
static void
test_save_options (void)
{
GdkPixbuf *ref;
GdkPixbuf *pixbuf;
GError *error = NULL;
if (!format_supported ("png"))
{
g_test_skip ("format not supported");
return;
}
ref = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, 10, 10);
gdk_pixbuf_fill (ref, 0xff00ff00);
gdk_pixbuf_save (ref, "pixbuf-save-options", "png", &error,
"tEXt::option1", "Some text to transport via option",
"tEXt::long-option-name123456789123456789123456789", "",
#ifdef PNG_iTXt_SUPPORTED
"tEXt::3", "αβγδ",
#endif
NULL);
g_assert_no_error (error);
pixbuf = gdk_pixbuf_new_from_file ("pixbuf-save-options", &error);
g_assert_no_error (error);
g_assert_cmpstr (gdk_pixbuf_get_option (pixbuf, "tEXt::option1"), ==, "Some text to transport via option");
g_assert_cmpstr (gdk_pixbuf_get_option (pixbuf, "tEXt::long-option-name123456789123456789123456789"), ==, "");
#ifdef PNG_iTXt_SUPPORTED
g_assert_cmpstr (gdk_pixbuf_get_option (pixbuf, "tEXt::3"), ==, "αβγδ");
#endif
g_object_unref (pixbuf);
g_object_unref (ref);
}
int
main (int argc, char **argv)
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/pixbuf/save/roundtrip", test_save_roundtrip);
g_test_add_func ("/pixbuf/save/options", test_save_options);
g_test_add_func ("/pixbuf/save/ico", test_save_ico);
return g_test_run ();
}
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