Add convex path renderer (disabled)
Review URL: http://codereview.appspot.com/5533061/
git-svn-id: http://skia.googlecode.com/svn/trunk@3040 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/convexpaths.cpp b/gm/convexpaths.cpp
new file mode 100644
index 0000000..a7e3119
--- /dev/null
+++ b/gm/convexpaths.cpp
@@ -0,0 +1,136 @@
+
+/*
+ * 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 "SkRandom.h"
+#include "SkTArray.h"
+
+namespace skiagm {
+
+class ConvexPathsGM : public GM {
+public:
+ ConvexPathsGM() {
+ this->setBGColor(0xFFDDDDDD);
+ this->makePaths();
+ }
+
+protected:
+ virtual SkString onShortName() {
+ return SkString("convexpaths");
+ }
+
+
+ virtual SkISize onISize() {
+ return make_isize(1200, 900);
+ }
+
+ void makePaths() {
+ fPaths.push_back().addRect(0, 0,
+ 100 * SK_Scalar1, 100 * SK_Scalar1,
+ SkPath::kCW_Direction);
+
+ fPaths.push_back().addRect(0, 0,
+ 100 * SK_Scalar1, 100 * SK_Scalar1,
+ SkPath::kCCW_Direction);
+
+ fPaths.push_back().addCircle(50 * SK_Scalar1, 50 * SK_Scalar1,
+ 50 * SK_Scalar1, SkPath::kCW_Direction);
+
+ fPaths.push_back().addCircle(50 * SK_Scalar1, 50 * SK_Scalar1,
+ 40 * SK_Scalar1, SkPath::kCCW_Direction);
+
+ fPaths.push_back().addOval(SkRect::MakeXYWH(0, 0,
+ 50 * SK_Scalar1,
+ 100 * SK_Scalar1),
+ SkPath::kCW_Direction);
+
+ fPaths.push_back().addOval(SkRect::MakeXYWH(0, 0,
+ 100 * SK_Scalar1,
+ 50 * SK_Scalar1),
+ SkPath::kCCW_Direction);
+
+ fPaths.push_back().addOval(SkRect::MakeXYWH(0, 0,
+ 100 * SK_Scalar1,
+ 5 * SK_Scalar1),
+ SkPath::kCCW_Direction);
+
+ fPaths.push_back().addOval(SkRect::MakeXYWH(0, 0,
+ SK_Scalar1,
+ 100 * SK_Scalar1),
+ SkPath::kCCW_Direction);
+
+ fPaths.push_back().addRect(0, 0,
+ 100 * SK_Scalar1, 100 * SK_Scalar1,
+ SkPath::kCCW_Direction);
+
+ fPaths.push_back().addRoundRect(SkRect::MakeXYWH(0, 0,
+ SK_Scalar1 * 100,
+ SK_Scalar1 * 100),
+ 40 * SK_Scalar1, 20 * SK_Scalar1,
+ SkPath::kCW_Direction);
+
+ fPaths.push_back().addRoundRect(SkRect::MakeXYWH(0, 0,
+ SK_Scalar1 * 100,
+ SK_Scalar1 * 100),
+ 20 * SK_Scalar1, 40 * SK_Scalar1,
+ SkPath::kCCW_Direction);
+ /*
+ fPaths.push_back().arcTo(SkRect::MakeXYWH(0, 0,
+ 50 * SK_Scalar1,
+ 100 * SK_Scalar1),
+ 25 * SK_Scalar1, 130 * SK_Scalar1, false);
+ */
+
+ // point degenerate
+ fPaths.push_back().lineTo(0,0);
+ fPaths.push_back().quadTo(0,0,0,0);
+ fPaths.push_back().cubicTo(0,0,0,0,0,0);
+
+ // line degenerate
+ fPaths.push_back().lineTo(100 * SK_Scalar1, 100 * SK_Scalar1);
+ fPaths.push_back().quadTo(100 * SK_Scalar1, 100 * SK_Scalar1, 0, 0);
+ fPaths.push_back().quadTo(100 * SK_Scalar1, 100 * SK_Scalar1,
+ 50 * SK_Scalar1, 50 * SK_Scalar1);
+ fPaths.push_back().quadTo(50 * SK_Scalar1, 50 * SK_Scalar1,
+ 100 * SK_Scalar1, 100 * SK_Scalar1);
+ fPaths.push_back().cubicTo(0, 0,
+ 0, 0,
+ 100 * SK_Scalar1, 100 * SK_Scalar1);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ SkRandom rand;
+ canvas->translate(20 * SK_Scalar1, 20 * SK_Scalar1);
+ for (int i = 0 ; i < fPaths.count(); ++i) {
+ canvas->save();
+ // position the path, and make it at off-integer coords.
+ canvas->translate(SK_Scalar1 * 200 * (i % 5) + SK_Scalar1 / 4,
+ SK_Scalar1 * 200 * (i / 5) + 3 * SK_Scalar1 / 4);
+ SkColor color = rand.nextU();
+ color |= 0xff000000;
+ paint.setColor(color);
+ SkASSERT(fPaths[i].isConvex());
+ canvas->drawPath(fPaths[i], paint);
+ canvas->restore();
+ }
+ }
+
+private:
+ typedef GM INHERITED;
+ SkTArray<SkPath> fPaths;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new ConvexPathsGM; }
+static GMRegistry reg(MyFactory);
+
+}
+