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Diffstat (limited to 'libs/cairo-1.16.0/test/unantialiased-shapes.c')
-rw-r--r--libs/cairo-1.16.0/test/unantialiased-shapes.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/unantialiased-shapes.c b/libs/cairo-1.16.0/test/unantialiased-shapes.c
new file mode 100644
index 0000000..b53ed0d
--- /dev/null
+++ b/libs/cairo-1.16.0/test/unantialiased-shapes.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright © 2005 Billy Biggs
+ *
+ * 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
+ * Billy Biggs not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Billy Biggs makes no representations about the
+ * suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * BILLY BIGGS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL BILLY BIGGS 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: Billy Biggs <vektor@dumbterm.net>
+ */
+
+#include "cairo-test.h"
+
+/* The star shape from the SVG test suite, from the fill rule test */
+static void
+big_star_path (cairo_t *cr)
+{
+ cairo_move_to (cr, 40, 0);
+ cairo_rel_line_to (cr, 25, 80);
+ cairo_rel_line_to (cr, -65, -50);
+ cairo_rel_line_to (cr, 80, 0);
+ cairo_rel_line_to (cr, -65, 50);
+ cairo_close_path (cr);
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+ int i;
+
+ cairo_set_source_rgb (cr, 0, 0, 0);
+ cairo_paint (cr);
+
+ cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
+
+ /* Try a circle */
+ cairo_arc (cr, 40, 40, 20, 0, 2 * M_PI);
+ cairo_set_source_rgb (cr, 1, 0, 0);
+ cairo_fill (cr);
+
+ /* Try using clipping to draw a circle */
+ cairo_arc (cr, 100, 40, 20, 0, 2 * M_PI);
+ cairo_clip (cr);
+ cairo_rectangle (cr, 80, 20, 40, 40);
+ cairo_set_source_rgb (cr, 0, 0, 1);
+ cairo_fill (cr);
+
+ /* Reset the clipping */
+ cairo_reset_clip (cr);
+
+ /* Draw a bunch of lines */
+ cairo_set_line_width (cr, 1.0);
+ cairo_set_source_rgb (cr, 0, 1, 0);
+ for (i = 0; i < 10; i++) {
+ cairo_move_to (cr, 10, 70 + (i * 4));
+ cairo_line_to (cr, 120, 70 + (i * 18));
+ cairo_stroke (cr);
+ }
+
+ /* Try filling a poly */
+ cairo_translate (cr, 160, 120);
+ cairo_set_source_rgb (cr, 1, 1, 0);
+ big_star_path (cr);
+ cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
+ cairo_fill (cr);
+ cairo_translate (cr, -160, -120);
+
+ /* How about some curves? */
+ cairo_set_source_rgb (cr, 1, 0, 1);
+ for (i = 0; i < 10; i++) {
+ cairo_move_to (cr, 150, 50 + (i * 5));
+ cairo_curve_to (cr, 250, 50, 200, (i * 10), 300, 50 + (i * 10));
+ cairo_stroke (cr);
+ }
+
+ return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (unantialiased_shapes,
+ "Test shape drawing without antialiasing",
+ "fill, stroke", /* keywords */
+ "target=raster", /* requirements */
+ 320, 240,
+ NULL, draw)