[cairo-commit] 2 commits - test/.gitignore test/Makefile.am test/mask-alpha.c test/mask-alpha-ref.png test/mask-alpha-rgb24-ref.png
Carl Worth
cworth at kemper.freedesktop.org
Thu Sep 20 16:03:15 PDT 2007
test/.gitignore | 1
test/Makefile.am | 1
test/mask-alpha-ref.png |binary
test/mask-alpha-rgb24-ref.png |binary
test/mask-alpha.c | 90 ++++++++++++++++++++++++++++++++++++++++++
5 files changed, 92 insertions(+)
New commits:
diff-tree c79fc9af334fd6f2d1078071d64178125561b187 (from 59dd59ce8d4c2a35788f3f0baf3409d3a8555744)
Author: Carl Worth <cworth at cworth.org>
Date: Thu Sep 20 16:01:43 2007 -0700
Add rgb24-specific reference imag for mask-alpha test
diff --git a/test/mask-alpha-rgb24-ref.png b/test/mask-alpha-rgb24-ref.png
new file mode 100644
index 0000000..aa2010f
Binary files /dev/null and b/test/mask-alpha-rgb24-ref.png differ
diff-tree 59dd59ce8d4c2a35788f3f0baf3409d3a8555744 (from 12b2ab630c2343c7bd7d885cc0e773023e3d8fa8)
Author: Adrian Johnson <ajohnson at redneon.com>
Date: Sun Sep 9 22:32:36 2007 +0930
Add mask-alpha test
diff --git a/test/.gitignore b/test/.gitignore
index 6553274..23026b6 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -76,6 +76,7 @@ linear-gradient
linear-gradient-reflect
long-lines
mask
+mask-alpha
mask-ctm
mask-surface-ctm
move-to-show-surface
diff --git a/test/Makefile.am b/test/Makefile.am
index ee789d8..e08f61c 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -59,6 +59,7 @@ linear-gradient \
linear-gradient-reflect \
long-lines \
mask \
+mask-alpha \
mask-ctm \
mask-surface-ctm \
move-to-show-surface \
diff --git a/test/mask-alpha-ref.png b/test/mask-alpha-ref.png
new file mode 100644
index 0000000..715a959
Binary files /dev/null and b/test/mask-alpha-ref.png differ
diff --git a/test/mask-alpha.c b/test/mask-alpha.c
new file mode 100644
index 0000000..de5394d
--- /dev/null
+++ b/test/mask-alpha.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright © 2007 Adrian Johnson
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Adrian Johnson <ajohnson at redneon.com>
+ */
+
+#include "cairo-test.h"
+
+static cairo_test_draw_function_t draw;
+
+#define SIZE 40
+#define PAD 2
+#define WIDTH (PAD + SIZE + PAD)
+#define HEIGHT WIDTH
+
+/* This test is designed to test that PDF viewers use the correct
+ * alpha values in an Alpha SMasks. Some viewers use the color values
+ * instead of the alpha. The test draws a triangle and rectangle in a
+ * group then draws the group using cairo_mask(). The mask consists of
+ * a circle with the rgba (0.4, 0.4, 0.4, 0.8) and the background rgba
+ * (0.8, 0.8, 0.8, 0.4).
+ */
+
+cairo_test_t test = {
+ "mask-alpha",
+ "A simple test painting a group through a circle mask",
+ WIDTH, HEIGHT,
+ draw
+};
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ cairo_pattern_t *pattern;
+
+ cairo_translate (cr, PAD, PAD);
+
+ /* mask */
+ cairo_push_group (cr);
+ cairo_set_source_rgba (cr, 0.8, 0.8, 0.8, 0.4);
+ cairo_paint (cr);
+ cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 6, 0., 2. * M_PI);
+ cairo_set_source_rgba (cr, 0.4, 0.4, 0.4, 0.8);
+ cairo_fill (cr);
+ pattern = cairo_pop_group (cr);
+
+ /* source */
+ cairo_push_group (cr);
+ cairo_rectangle (cr, 0.3 * SIZE, 0.2 * SIZE, 0.5 * SIZE, 0.5 * SIZE);
+ cairo_set_source_rgb (cr, 0, 0, 1);
+ cairo_fill (cr);
+ cairo_move_to (cr, 0.0, 0.8 * SIZE);
+ cairo_rel_line_to (cr, 0.7 * SIZE, 0.0);
+ cairo_rel_line_to (cr, -0.375 * SIZE, -0.6 * SIZE);
+ cairo_close_path (cr);
+ cairo_set_source_rgb (cr, 0, 1, 0);
+ cairo_fill (cr);
+ cairo_pop_group_to_source (cr);
+
+ cairo_mask (cr, pattern);
+ cairo_pattern_destroy (pattern);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+int
+main (void)
+{
+ return cairo_test (&test);
+}
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