1 files changed, 70 insertions, 0 deletions
diff --git a/perf/micro/unaligned-clip.c b/perf/micro/unaligned-clip.c
new file mode 100644
index 00000000..284c832a
--- /dev/null
+++ b/perf/micro/unaligned-clip.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright © 2006 Jeff Muizelaar <jeff@infidigm.net>
+ * Copyright © 2006 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.
+ *
+ * Authors: Jeff Muizelaar <jeff@infidigm.net>
+ *          Carl Worth <cworth@cworth.org>
+ */
+
+#include "cairo-perf.h"
+
+static cairo_perf_ticks_t
+do_unaligned_clip (cairo_t *cr, int width, int height, int loops)
+{
+    cairo_perf_timer_start ();
+
+    while (loops--) {
+	cairo_save (cr);
+
+	/* First a triangular clip that obviously isn't along device-pixel
+	 * boundaries. */
+	cairo_move_to (cr, 50, 50);
+	cairo_line_to (cr, 50, 90);
+	cairo_line_to (cr, 90, 90);
+	cairo_close_path (cr);
+	cairo_clip (cr);
+
+	/* Then a rectangular clip that would be but for the non-integer
+	 * scaling. */
+	cairo_scale (cr, 1.1, 1.1);
+	cairo_rectangle (cr, 55, 55, 35, 35);
+	cairo_clip (cr);
+
+	/* And paint something to force the clip to be evaluated. */
+	cairo_paint (cr);
+
+	cairo_restore (cr);
+    }
+    cairo_perf_timer_stop ();
+
+    return cairo_perf_timer_elapsed ();
+}
+
+void
+unaligned_clip (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+    if (! cairo_perf_can_run (perf, "unaligned-clip", NULL))
+	return;
+
+    cairo_perf_run (perf, "unaligned-clip", do_unaligned_clip);
+}