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-rw-r--r--libs/cairo-1.16.0/test/device-offset-fractional.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/device-offset-fractional.c b/libs/cairo-1.16.0/test/device-offset-fractional.c
new file mode 100644
index 0000000..adc2116
--- /dev/null
+++ b/libs/cairo-1.16.0/test/device-offset-fractional.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright © 2006 Red Hat, Inc.
+ * Copyright © 2008 Chris Wilson
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairo-test.h"
+
+#define SIZE 10
+#define PAD 4
+#define COUNT 4
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ cairo_surface_t *surface;
+ cairo_t *cr2;
+ int i,j;
+
+ /* Fill the background */
+ cairo_set_source_rgb (cr, 1, 1, 1); /* white */
+ cairo_paint (cr);
+
+ surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE);
+ cr2 = cairo_create (surface);
+ cairo_surface_destroy (surface);
+
+ cairo_set_source_rgb (cr2, 0, 0, 1); /* blue */
+ cairo_paint (cr2);
+
+ cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0);
+ cairo_destroy (cr2);
+
+ for (i = 0; i < COUNT; i++) {
+ for (j = 0; j < COUNT; j++) {
+ cairo_surface_set_device_offset (surface,
+ -i*(SIZE+PAD+.5)-PAD,
+ -j*(SIZE+PAD+.5)-PAD);
+ cairo_paint (cr);
+ }
+ }
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (device_offset_fractional,
+ "Test using image surfaces with fractional device-offsets as sources.",
+ "device-offset", /* keywords */
+ NULL, /* requirements */
+ COUNT*(SIZE+PAD+.5)+PAD, COUNT*(SIZE+PAD+.5)+PAD,
+ NULL, draw)