Add a rounded rectangle stroking test

1 files changed, 49 insertions, 0 deletions

diff --git a/src/cairo-tests/roundrect.cpp b/src/cairo-tests/roundrect.cpp
new file mode 100644
index 0000000..4c8c4b7
--- /dev/null
+++ b/src/cairo-tests/roundrect.cpp
@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <cairo.h>
+
+#include "caskbench.h"
+
+static int line_length;
+
+int
+ca_setup_roundrect(caskbench_context_t *ctx)
+{
+  line_length = 60;
+  return 1;
+}
+
+void
+ca_teardown_roundrect(void)
+{
+}
+
+static void
+rounded_rectangle (cairo_t *cr,
+                   double x, double y, double w, double h,
+                   double radius)
+{
+  cairo_move_to (cr, x+radius, y);
+  cairo_arc (cr, x+w-radius, y+radius,   radius, M_PI + M_PI / 2, M_PI * 2        );
+  cairo_arc (cr, x+w-radius, y+h-radius, radius, 0,               M_PI / 2        );
+  cairo_arc (cr, x+radius,   y+h-radius, radius, M_PI/2,          M_PI            );
+  cairo_arc (cr, x+radius,   y+radius,   radius, M_PI,            270 * M_PI / 180);
+}
+
+
+int
+ca_test_roundrect(caskbench_context_t *ctx)
+{
+  int i, w, x, y;
+  for (i=0; i<ctx->size; i++) {
+    randomize_color (ctx->cr);
+    x = 10 + ((double)800*rand())/RAND_MAX;
+    y = 10 + ((double)300*rand())/RAND_MAX;;
+    w = ((double)ctx->size*rand())/RAND_MAX + 1;
+
+    rounded_rectangle (ctx->cr, x, y, 100, 40, 4);
+    cairo_set_line_width (ctx->cr, w);
+    cairo_stroke (ctx->cr);
+  }
+  return 1;
+}