40f2af665d
Don't try to paint onto an error surface. This happens for example when gdk_cairo_set_source_pixbuf() is called with a pixbuf that is too big for Cairo to handle. Spotted by Christian Boxdörfer
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
#include <gdk/gdk.h>
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static void
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test_set_source_big_pixbuf (void)
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{
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cairo_surface_t *surface;
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GdkPixbuf *pixbuf;
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cairo_t *cr;
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#define WAY_TOO_BIG 65540
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/* Check that too big really is to big.
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* If this check fails, somebody improved Cairo and this test is useless.
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*/
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, WAY_TOO_BIG, 1);
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g_assert_cmpint (cairo_surface_status (surface), !=, CAIRO_STATUS_SUCCESS);
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cairo_surface_destroy (surface);
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 10, 10);
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cr = cairo_create (surface);
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pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, WAY_TOO_BIG, 1);
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gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
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g_assert_cmpint (cairo_status (cr), !=, CAIRO_STATUS_SUCCESS);
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g_object_unref (pixbuf);
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cairo_destroy (cr);
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cairo_surface_destroy (surface);
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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 (&argc, &argv);
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g_test_add_func ("/drawing/set-source-big-pixbuf", test_set_source_big_pixbuf);
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return g_test_run ();
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}
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