forked from AuroraMiddleware/gtk
2374e2aa3b
The main point of this test is to ensure that the pixel_details getters work as expected.
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
#include <gdk/gdk.h>
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/* We don't technically guarantee that the visual returned by
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* gdk_screen_get_rgba_visual is ARGB8888. But if it isn't, lots
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* of code will break, so test this here anyway.
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* The main point of this test is to ensure that the pixel_details
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* functions return meaningful values for TrueColor visuals.
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*/
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static void
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test_rgba_visual (void)
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{
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GdkScreen *screen;
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GdkVisual *visual;
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guint32 r_mask, g_mask, b_mask;
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gint r_shift, g_shift, b_shift;
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gint r_precision, g_precision, b_precision;
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gint depth;
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GdkVisualType type;
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g_test_bug ("764210");
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screen = gdk_screen_get_default ();
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visual = gdk_screen_get_rgba_visual (screen);
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if (visual == NULL)
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{
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g_test_skip ("no rgba visual");
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return;
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}
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depth = gdk_visual_get_depth (visual);
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type = gdk_visual_get_visual_type (visual);
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gdk_visual_get_red_pixel_details (visual, &r_mask, &r_shift, &r_precision);
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gdk_visual_get_green_pixel_details (visual, &g_mask, &g_shift, &g_precision);
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gdk_visual_get_blue_pixel_details (visual, &b_mask, &b_shift, &b_precision);
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g_assert_cmpint (depth, ==, 32);
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g_assert_cmpint (type, ==, GDK_VISUAL_TRUE_COLOR);
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g_assert_cmphex (r_mask, ==, 0x00ff0000);
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g_assert_cmphex (g_mask, ==, 0x0000ff00);
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g_assert_cmphex (b_mask, ==, 0x000000ff);
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g_assert_cmpint (r_shift, ==, 16);
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g_assert_cmpint (g_shift, ==, 8);
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g_assert_cmpint (b_shift, ==, 0);
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g_assert_cmpint (r_precision, ==, 8);
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g_assert_cmpint (g_precision, ==, 8);
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g_assert_cmpint (b_precision, ==, 8);
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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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g_test_init (&argc, &argv, NULL);
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gdk_init (NULL, NULL);
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g_test_bug_base ("http://bugzilla.gnome.org/");
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g_test_add_func ("/visual/rgba", test_rgba_visual);
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return g_test_run ();
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}
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