1 files changed, 116 insertions, 0 deletions
diff --git a/chromium/third_party/skia/gm/strokerect.cpp b/chromium/third_party/skia/gm/strokerect.cpp
new file mode 100644
index 00000000000..9c86aec6428
--- /dev/null
+++ b/chromium/third_party/skia/gm/strokerect.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+#include "SkCanvas.h"
+#include "SkPath.h"
+
+#define STROKE_WIDTH    SkIntToScalar(20)
+
+static void draw_path(SkCanvas* canvas, const SkPath& path, const SkRect& rect,
+                      SkPaint::Join join, int doFill) {
+    SkPaint paint;
+    paint.setAntiAlias(true);
+    paint.setStyle(doFill ? SkPaint::kStrokeAndFill_Style : SkPaint::kStroke_Style);
+
+    paint.setColor(SK_ColorGRAY);
+    paint.setStrokeWidth(STROKE_WIDTH);
+    paint.setStrokeJoin(join);
+    canvas->drawRect(rect, paint);
+
+    paint.setStyle(SkPaint::kStroke_Style);
+    paint.setStrokeWidth(0);
+    paint.setColor(SK_ColorRED);
+    canvas->drawPath(path, paint);
+
+    paint.setStrokeWidth(3);
+    paint.setStrokeJoin(SkPaint::kMiter_Join);
+    int n = path.countPoints();
+    SkAutoTArray<SkPoint> points(n);
+    path.getPoints(points.get(), n);
+    canvas->drawPoints(SkCanvas::kPoints_PointMode, n, points.get(), paint);
+}
+
+/*
+ *  Test calling SkStroker for rectangles. Cases to cover:
+ *
+ *  geometry: normal, small (smaller than stroke-width), empty, inverted
+ *  joint-type for the corners
+ */
+class StrokeRectGM : public skiagm::GM {
+public:
+    StrokeRectGM() {}
+
+protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
+    virtual SkString onShortName() {
+        return SkString("strokerect");
+    }
+
+    virtual SkISize onISize() {
+        return SkISize::Make(1024, 740);
+    }
+
+    virtual void onDraw(SkCanvas* canvas) {
+        canvas->drawColor(SK_ColorWHITE);
+        canvas->translate(STROKE_WIDTH*3/2, STROKE_WIDTH*3/2);
+
+        SkPaint paint;
+        paint.setStyle(SkPaint::kStroke_Style);
+        paint.setStrokeWidth(STROKE_WIDTH);
+
+        static const SkPaint::Join gJoins[] = {
+            SkPaint::kMiter_Join, SkPaint::kRound_Join, SkPaint::kBevel_Join
+        };
+
+        static const SkScalar W = 80;
+        static const SkScalar H = 80;
+        static const SkRect gRects[] = {
+            { 0, 0, W, H },
+            { W, 0, 0, H },
+            { 0, H, W, 0 },
+            { 0, 0, STROKE_WIDTH, H },
+            { 0, 0, W, STROKE_WIDTH },
+            { 0, 0, STROKE_WIDTH/2, STROKE_WIDTH/2 },
+            { 0, 0, W, 0 },
+            { 0, 0, 0, H },
+            { 0, 0, 0, 0 },
+        };
+
+        for (int doFill = 0; doFill <= 1; ++doFill) {
+            for (size_t i = 0; i < SK_ARRAY_COUNT(gJoins); ++i) {
+                SkPaint::Join join = gJoins[i];
+                paint.setStrokeJoin(join);
+
+                SkAutoCanvasRestore acr(canvas, true);
+                for (size_t j = 0; j < SK_ARRAY_COUNT(gRects); ++j) {
+                    const SkRect& r = gRects[j];
+
+                    SkPath path, fillPath;
+                    path.addRect(r);
+                    paint.getFillPath(path, &fillPath);
+                    draw_path(canvas, fillPath, r, join, doFill);
+
+                    canvas->translate(W + 2 * STROKE_WIDTH, 0);
+                }
+                acr.restore();
+                canvas->translate(0, H + 2 * STROKE_WIDTH);
+            }
+            paint.setStyle(SkPaint::kStrokeAndFill_Style);
+        }
+    }
+
+private:
+    typedef GM INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+DEF_GM(return new StrokeRectGM;)