add cairo

1 files changed, 172 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/test/rotate-image-surface-paint.c b/libs/cairo-1.16.0/test/rotate-image-surface-paint.c
new file mode 100644
index 0000000..42fda6e
--- /dev/null
+++ b/libs/cairo-1.16.0/test/rotate-image-surface-paint.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright © 2005, 2007 Red Hat, Inc.
+ *
+ * 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: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo-test.h"
+
+#define SIZE 20
+#define PAD 2
+
+static cairo_pattern_t *
+create_image_source (int size)
+{
+    cairo_surface_t *surface;
+    cairo_pattern_t *pattern;
+    cairo_t *cr;
+
+    /* Create an image surface with my favorite four colors in each
+     * quadrant. */
+    surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, size, size);
+    cr = cairo_create (surface);
+    cairo_surface_destroy (surface);
+
+    cairo_set_source_rgb (cr, 1, 1, 1);
+    cairo_rectangle (cr, 0, 0, size / 2, size / 2);
+    cairo_fill (cr);
+
+    cairo_set_source_rgb (cr, 1, 0, 0);
+    cairo_rectangle (cr, size / 2, 0, size - size / 2, size / 2);
+    cairo_fill (cr);
+
+    cairo_set_source_rgb (cr, 0, 1, 0);
+    cairo_rectangle (cr, 0, size / 2, size / 2, size - size / 2);
+    cairo_fill (cr);
+
+    cairo_set_source_rgb (cr, 0, 0, 1);
+    cairo_rectangle (cr, size / 2, size / 2, size - size / 2, size - size / 2);
+    cairo_fill (cr);
+
+    pattern = cairo_pattern_create_for_surface (cairo_get_target (cr));
+    cairo_destroy (cr);
+
+    return pattern;
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_pattern_t *source;
+    int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2);
+
+    /* Use a gray (neutral) background, so we can spot if the backend pads
+     * with any other colour.
+     */
+    cairo_set_source_rgb (cr, .5, .5, .5);
+    cairo_paint (cr);
+
+    cairo_translate(cr, SIZE/2, SIZE/2);
+    cairo_rotate (cr, M_PI / 4.0);
+    cairo_translate (cr, -surface_size/2, -surface_size/2);
+
+    source = create_image_source (surface_size);
+    cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST);
+    cairo_set_source(cr, source);
+    cairo_pattern_destroy (source);
+
+    cairo_paint (cr);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+clip_draw (cairo_t *cr, int width, int height)
+{
+    cairo_pattern_t *source;
+    int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2);
+
+    /* Use a gray (neutral) background, so we can spot if the backend pads
+     * with any other colour.
+     */
+    cairo_set_source_rgb (cr, .5, .5, .5);
+    cairo_paint (cr);
+
+    cairo_rectangle (cr, 2*PAD, 2*PAD, SIZE-4*PAD, SIZE-4*PAD);
+    cairo_clip (cr);
+
+    cairo_translate(cr, SIZE/2, SIZE/2);
+    cairo_rotate (cr, M_PI / 4.0);
+    cairo_translate (cr, -surface_size/2, -surface_size/2);
+
+    source = create_image_source (surface_size);
+    cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST);
+    cairo_set_source(cr, source);
+    cairo_pattern_destroy (source);
+
+    cairo_paint (cr);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+static cairo_test_status_t
+draw_clip (cairo_t *cr, int width, int height)
+{
+    cairo_pattern_t *source;
+    int surface_size = sqrt ((SIZE - 2*PAD)*(SIZE - 2*PAD)/2);
+
+    /* Use a gray (neutral) background, so we can spot if the backend pads
+     * with any other colour.
+     */
+    cairo_set_source_rgb (cr, .5, .5, .5);
+    cairo_paint (cr);
+
+    cairo_translate(cr, SIZE/2, SIZE/2);
+    cairo_rotate (cr, M_PI / 4.0);
+    cairo_translate (cr, -surface_size/2, -surface_size/2);
+
+    cairo_rectangle (cr, PAD, PAD, surface_size-2*PAD, surface_size-2*PAD);
+    cairo_clip (cr);
+
+    source = create_image_source (surface_size);
+    cairo_pattern_set_filter (source, CAIRO_FILTER_NEAREST);
+    cairo_set_source(cr, source);
+    cairo_pattern_destroy (source);
+
+    cairo_paint (cr);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (rotate_image_surface_paint,
+	    "Test call sequence: image_surface_create; rotate; set_source_surface; paint"
+	    "\nThis test is known to fail on the ps backend currently",
+	    "image, transform, paint", /* keywords */
+	    NULL, /* requirements */
+	    SIZE, SIZE,
+	    NULL, draw)
+
+CAIRO_TEST (clip_rotate_image_surface_paint,
+	    "Test call sequence: image_surface_create; rotate; set_source_surface; paint"
+	    "\nThis test is known to fail on the ps backend currently",
+	    "image, transform, paint", /* keywords */
+	    NULL, /* requirements */
+	    SIZE, SIZE,
+	    NULL, clip_draw)
+CAIRO_TEST (rotate_clip_image_surface_paint,
+	    "Test call sequence: image_surface_create; rotate; set_source_surface; paint"
+	    "\nThis test is known to fail on the ps backend currently",
+	    "image, transform, paint", /* keywords */
+	    NULL, /* requirements */
+	    SIZE, SIZE,
+	    NULL, draw_clip)