add cairo

1 files changed, 100 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/perf/micro/stroke.c b/libs/cairo-1.16.0/perf/micro/stroke.c
new file mode 100644
index 0000000..4b29547
--- /dev/null
+++ b/libs/cairo-1.16.0/perf/micro/stroke.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright © 2006 Red Hat, Inc.
+ *
+ * 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
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo-perf.h"
+
+static cairo_time_t
+do_stroke (cairo_t *cr, int width, int height, int loops)
+{
+    cairo_arc (cr,
+	       width/2.0, height/2.0,
+	       width/3.0,
+	       0, 2 * M_PI);
+    cairo_close_path (cr);
+
+    cairo_set_line_width (cr, width/5.0);
+
+    cairo_perf_timer_start ();
+
+    while (loops--)
+	cairo_stroke_preserve (cr);
+
+    cairo_perf_timer_stop ();
+
+    cairo_new_path (cr);
+
+    return cairo_perf_timer_elapsed ();
+}
+
+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);
+}
+
+static cairo_time_t
+do_strokes (cairo_t *cr, int width, int height, int loops)
+{
+    /* a pair of overlapping rectangles */
+    rounded_rectangle (cr,
+		       2, 2, width/2. + 10, height/2. + 10,
+		       10);
+    rounded_rectangle (cr,
+		       width/2. - 10, height/2. - 10,
+		       width/2. - 2, height/2. - 2,
+		       10);
+
+    cairo_set_line_width (cr, 2.);
+
+    cairo_perf_timer_start ();
+
+    while (loops--)
+	cairo_stroke_preserve (cr);
+
+    cairo_perf_timer_stop ();
+
+    cairo_new_path (cr);
+
+    return cairo_perf_timer_elapsed ();
+}
+
+cairo_bool_t
+stroke_enabled (cairo_perf_t *perf)
+{
+    return cairo_perf_can_run (perf, "stroke", NULL);
+}
+
+void
+stroke (cairo_perf_t *perf, cairo_t *cr, int width, int height)
+{
+    cairo_perf_cover_sources_and_operators (perf, "stroke", do_stroke, NULL);
+    cairo_perf_cover_sources_and_operators (perf, "strokes", do_strokes, NULL);
+}