add gm for reverseAddPath
git-svn-id: http://skia.googlecode.com/svn/trunk@3001 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/pathreverse.cpp b/gm/pathreverse.cpp
new file mode 100644
index 0000000..fc8028e
--- /dev/null
+++ b/gm/pathreverse.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2011 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"
+#include "SkTypeface.h"
+
+static void test_path(SkCanvas* canvas, const SkPath& path) {
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ canvas->drawPath(path, paint);
+
+ paint.setStyle(SkPaint::kStroke_Style);
+ paint.setColor(SK_ColorRED);
+ canvas->drawPath(path, paint);
+}
+
+static void test_rev(SkCanvas* canvas, const SkPath& path) {
+ test_path(canvas, path);
+
+ SkPath rev;
+ rev.reverseAddPath(path);
+ canvas->save();
+ canvas->translate(150, 0);
+ test_path(canvas, rev);
+ canvas->restore();
+}
+
+static void test_rev(SkCanvas* canvas) {
+ SkRect r = { 10, 10, 100, 60 };
+
+ SkPath path;
+
+ path.addRect(r); test_rev(canvas, path);
+
+ canvas->translate(0, 100);
+ path.offset(20, 20);
+ path.addRect(r); test_rev(canvas, path);
+
+ canvas->translate(0, 100);
+ path.reset();
+ path.moveTo(10, 10); path.lineTo(30, 30);
+ path.addOval(r);
+ r.offset(50, 20);
+ path.addOval(r);
+ test_rev(canvas, path);
+
+ SkPaint paint;
+ paint.setTextSize(SkIntToScalar(100));
+ SkTypeface* hira = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal);
+ SkSafeUnref(paint.setTypeface(hira));
+ path.reset();
+ paint.getTextPath("e", 1, 50, 50, &path);
+ canvas->translate(0, 100);
+ test_rev(canvas, path);
+}
+
+namespace skiagm {
+
+class PathReverseGM : public GM {
+public:
+ PathReverseGM() {
+
+ }
+
+protected:
+ virtual SkString onShortName() {
+ return SkString("path-reverse");
+ }
+
+ virtual SkISize onISize() {
+ return make_isize(640, 480);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ SkRect r = { 10, 10, 100, 60 };
+
+ SkPath path;
+
+ path.addRect(r); test_rev(canvas, path);
+
+ canvas->translate(0, 100);
+ path.offset(20, 20);
+ path.addRect(r); test_rev(canvas, path);
+
+ canvas->translate(0, 100);
+ path.reset();
+ path.moveTo(10, 10); path.lineTo(30, 30);
+ path.addOval(r);
+ r.offset(50, 20);
+ path.addOval(r);
+ test_rev(canvas, path);
+
+ SkPaint paint;
+ paint.setTextSize(SkIntToScalar(100));
+ SkTypeface* hira = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal);
+ SkSafeUnref(paint.setTypeface(hira));
+ path.reset();
+ paint.getTextPath("e", 1, 50, 50, &path);
+ canvas->translate(0, 100);
+ test_rev(canvas, path);
+ }
+
+private:
+ typedef GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new PathReverseGM; }
+static GMRegistry reg(MyFactory);
+
+}