tests: Implement Skia curves test

Cairo curves test is stubbed out.

3 files changed, 137 insertions, 2 deletions

diff --git a/src/cairo-tests/curves.cpp b/src/cairo-tests/curves.cpp
new file mode 100644
index 0000000..270e510
--- /dev/null
+++ b/src/cairo-tests/curves.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2014 © Samsung Research America, Silicon Valley
+ *
+ * Use of this source code is governed by the 3-Clause BSD license
+ * specified in the COPYING file included with this source code.
+ */
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <cairo.h>
+
+#include "caskbench.h"
+#include "caskbench_context.h"
+#include "cairo-shapes.h"
+
+int
+ca_setup_curves(caskbench_context_t *ctx)
+{
+    return 1;
+}
+
+void
+ca_teardown_curves(void)
+{
+}
+
+int
+ca_test_curves(caskbench_context_t *ctx)
+{
+    return 1;
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
diff --git a/src/skia-tests/curves.cpp b/src/skia-tests/curves.cpp
new file mode 100644
index 0000000..9f1b67f
--- /dev/null
+++ b/src/skia-tests/curves.cpp
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2014 © Samsung Research America, Silicon Valley
+ *
+ * Use of this source code is governed by the 3-Clause BSD license
+ * specified in the COPYING file included with this source code.
+ */
+#include <config.h>
+
+#include <math.h>
+
+#include <SkCanvas.h>
+#include <SkPaint.h>
+#include <SkRect.h>
+
+#include "caskbench.h"
+#include "caskbench_context.h"
+#include "skia-shapes.h"
+
+static double delta = 0;
+
+int
+sk_setup_curves(caskbench_context_t *ctx)
+{
+    ctx->skia_paint->setAntiAlias(false);
+    ctx->skia_paint->setStrokeWidth(1);
+    ctx->skia_paint->setStyle(SkPaint::kStroke_Style);
+    return 1;
+}
+
+void
+sk_teardown_curves(void)
+{
+}
+
+int
+sk_test_curves(caskbench_context_t *ctx)
+{
+    SkPath path;
+    int cp = ctx->canvas_width / 2; // center point
+    int rr = ctx->canvas_width / 2;
+    int nn = 32; // must be even
+    double step = 2 * M_PI / nn;
+
+    for (int i=0; i<ctx->size; i++) {
+        double angle = delta;  // in radians
+        double x1 = cp + rr * cos(angle);
+        double y1 = cp + rr * sin(angle);
+
+        // begin path
+        path.reset();
+        path.moveTo(x1, y1);
+
+        // segments
+        for (int j=0; j<nn; j+=2) {
+            double r = (double)rand()/RAND_MAX * rr / 8.0;
+
+            angle = j * step + delta;
+            x1 = cp + r * cos(angle);
+            y1 = cp + r * sin(angle);
+
+            angle = (j+1) * step + delta;
+            double x2 = cp + rr * cos(angle);
+            double y2 = cp + rr * sin(angle);
+
+            path.rQuadTo(x1, y1,
+                         x2, y2);
+        }
+
+        skiaRandomizePaintColor(ctx);
+
+        // TODO: apply other fill types
+        if (ctx->shape_defaults.fill_type == CB_FILL_SOLID) {
+            ctx->skia_paint->setStyle(SkPaint::kStrokeAndFill_Style);
+        }
+
+        ctx->skia_canvas->drawPath(path, *(ctx->skia_paint));
+    }
+    delta += 0.05;
+
+    return 1;
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
diff --git a/utils/canvas_perf b/utils/canvas_perf
index 5e42f18..8db6e8b 100755
--- a/utils/canvas_perf
+++ b/utils/canvas_perf
@@ -26,8 +26,8 @@ perfdefs = [
     [ "bezier",            1000,   3, ["cubic"] ],
     [ "fill_bezier",       1000,   4, ["cubic", "-f", "solid"] ],
     [ "quad",              1000,   4, ["quadratic"] ],
-#   [ "curves",              50,   5, ["curves", "-f", "none"] ],
-#   [ "fill_curves",         50,   8, ["curves", "-f", "solid"] ],
+    [ "curves",              50,   5, ["curves", "-f", "none"] ],
+    [ "fill_curves",         50,   8, ["curves", "-f", "solid"] ],
     [ "stroke_star",       1000,   7, ["star", "-f", "none"] ],
     [ "fill_star",         1000,  12, ["star", "-f", "solid"] ],
 #   [ "transform",           10, 0.2, ["transform"] ],