[cairo-commit] test/linear-gradient-extend.c test/linear-gradient-extend.ref.png test/Makefile.sources test/radial-gradient-extend.c test/radial-gradient-extend.ref.png
Andrea Canciani
ranma42 at kemper.freedesktop.org
Fri May 14 13:31:38 PDT 2010
test/Makefile.sources | 2
test/linear-gradient-extend.c | 90 ++++++++++++++++++++++++++++++++++++
test/linear-gradient-extend.ref.png |binary
test/radial-gradient-extend.c | 90 ++++++++++++++++++++++++++++++++++++
test/radial-gradient-extend.ref.png |binary
5 files changed, 182 insertions(+)
New commits:
commit e8bc25fdb21340b0a5a25f7193fd0bc5de540a50
Author: Andrea Canciani <ranma42 at valium.area51.sns.it>
Date: Fri May 14 21:40:13 2010 +0200
test: add linear-gradient-extend and radial-gradient-extend
Check that constant gradient to solid color optimization are only
applied if the extents permit it.
diff --git a/test/Makefile.sources b/test/Makefile.sources
index cf03fcc..860ea1e 100644
--- a/test/Makefile.sources
+++ b/test/Makefile.sources
@@ -137,6 +137,7 @@ test_sources = \
line-width-scale.c \
line-width-zero.c \
linear-gradient.c \
+ linear-gradient-extend.c \
linear-gradient-reflect.c \
linear-gradient-subset.c \
linear-step-function.c \
@@ -180,6 +181,7 @@ test_sources = \
push-group.c \
push-group-color.c \
radial-gradient.c \
+ radial-gradient-extend.c \
radial-gradient-source.c \
radial-gradient-mask.c \
radial-gradient-mask-source.c \
diff --git a/test/linear-gradient-extend.c b/test/linear-gradient-extend.c
new file mode 100644
index 0000000..fd5026b
--- /dev/null
+++ b/test/linear-gradient-extend.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2010 Andrea Canciani
+ *
+ * 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
+ * Andrea Canciani not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Andrea Canciani makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * ANDREA CANCIANI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL ANDREA CANCIANI 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: Andrea Canciani <ranma42 at gmail.com>
+ */
+
+#include "cairo-test.h"
+
+#define NUM_EXTEND 4
+#define HEIGHT 16
+#define WIDTH 16
+#define PAD 3
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ cairo_pattern_t *pattern;
+ unsigned int i, j;
+
+ cairo_extend_t extend[NUM_EXTEND] = {
+ CAIRO_EXTEND_NONE,
+ CAIRO_EXTEND_REPEAT,
+ CAIRO_EXTEND_REFLECT,
+ CAIRO_EXTEND_PAD
+ };
+
+ cairo_test_paint_checkered (cr);
+
+ pattern = cairo_pattern_create_linear (0, 2*PAD, 0, HEIGHT - 2*PAD);
+
+ cairo_pattern_add_color_stop_rgb (pattern, 0, 0, 0, 1);
+ cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1);
+
+ cairo_translate (cr, PAD, PAD);
+
+ for (i = 0; i < 2; i++) {
+ cairo_save (cr);
+
+ for (j = 0; j < NUM_EXTEND; j++) {
+ cairo_pattern_set_extend (pattern, extend[j]);
+
+ cairo_reset_clip (cr);
+ cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
+ cairo_clip (cr);
+
+ if (i & 1) {
+ cairo_set_source_rgb (cr, 0, 1, 0);
+ cairo_mask (cr, pattern);
+ } else {
+ cairo_set_source (cr, pattern);
+ cairo_paint (cr);
+ }
+
+ cairo_translate (cr, WIDTH+PAD, 0);
+ }
+
+ cairo_restore (cr);
+ cairo_translate (cr, 0, HEIGHT+PAD);
+ }
+
+ cairo_pattern_destroy (pattern);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (linear_gradient_extend,
+ "Tests gradient to solid reduction of linear gradients",
+ "radial, pattern, extend", /* keywords */
+ NULL, /* requirements */
+ (WIDTH+PAD) * NUM_EXTEND + PAD, 2*(HEIGHT + PAD) + PAD,
+ NULL, draw)
diff --git a/test/linear-gradient-extend.ref.png b/test/linear-gradient-extend.ref.png
new file mode 100644
index 0000000..79ce747
Binary files /dev/null and b/test/linear-gradient-extend.ref.png differ
diff --git a/test/radial-gradient-extend.c b/test/radial-gradient-extend.c
new file mode 100644
index 0000000..8608b80
--- /dev/null
+++ b/test/radial-gradient-extend.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2010 Andrea Canciani
+ *
+ * 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
+ * Andrea Canciani not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Andrea Canciani makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * ANDREA CANCIANI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL ANDREA CANCIANI 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: Andrea Canciani <ranma42 at gmail.com>
+ */
+
+#include "cairo-test.h"
+
+#define NUM_EXTEND 4
+#define HEIGHT 16
+#define WIDTH 16
+#define PAD 3
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ cairo_pattern_t *pattern;
+ unsigned int i, j;
+
+ cairo_extend_t extend[NUM_EXTEND] = {
+ CAIRO_EXTEND_NONE,
+ CAIRO_EXTEND_REPEAT,
+ CAIRO_EXTEND_REFLECT,
+ CAIRO_EXTEND_PAD
+ };
+
+ cairo_test_paint_checkered (cr);
+
+ pattern = cairo_pattern_create_radial (WIDTH / 2, HEIGHT / 2, 0, WIDTH / 2, HEIGHT / 2, 2 * PAD);
+
+ cairo_pattern_add_color_stop_rgb (pattern, 0, 0, 0, 1);
+ cairo_pattern_add_color_stop_rgb (pattern, 1, 0, 0, 1);
+
+ cairo_translate (cr, PAD, PAD);
+
+ for (i = 0; i < 2; i++) {
+ cairo_save (cr);
+
+ for (j = 0; j < NUM_EXTEND; j++) {
+ cairo_pattern_set_extend (pattern, extend[j]);
+
+ cairo_reset_clip (cr);
+ cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);
+ cairo_clip (cr);
+
+ if (i & 1) {
+ cairo_set_source_rgb (cr, 0, 1, 0);
+ cairo_mask (cr, pattern);
+ } else {
+ cairo_set_source (cr, pattern);
+ cairo_paint (cr);
+ }
+
+ cairo_translate (cr, WIDTH+PAD, 0);
+ }
+
+ cairo_restore (cr);
+ cairo_translate (cr, 0, HEIGHT+PAD);
+ }
+
+ cairo_pattern_destroy (pattern);
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (radial_gradient_extend,
+ "Tests gradient to solid reduction of radial gradients",
+ "radial, pattern, extend", /* keywords */
+ NULL, /* requirements */
+ (WIDTH+PAD) * NUM_EXTEND + PAD, 2*(HEIGHT + PAD) + PAD,
+ NULL, draw)
diff --git a/test/radial-gradient-extend.ref.png b/test/radial-gradient-extend.ref.png
new file mode 100644
index 0000000..3d7de5e
Binary files /dev/null and b/test/radial-gradient-extend.ref.png differ
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