check-point for aaclip
git-svn-id: http://skia.googlecode.com/svn/trunk@2413 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleAAClip.cpp b/samplecode/SampleAAClip.cpp
new file mode 100644
index 0000000..dd6af09
--- /dev/null
+++ b/samplecode/SampleAAClip.cpp
@@ -0,0 +1,94 @@
+
+/*
+ * 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 "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkAAClip.h"
+
+static void drawClip(SkCanvas* canvas, const SkAAClip& clip) {
+ SkMask mask;
+ SkBitmap bm;
+
+ clip.copyToMask(&mask);
+ bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(),
+ mask.fBounds.height(), mask.fRowBytes);
+ bm.setPixels(mask.fImage);
+
+ SkPaint paint;
+ canvas->drawBitmap(bm, mask.fBounds.fLeft, mask.fBounds.fTop, &paint);
+}
+
+class AAClipView : public SampleView {
+public:
+ AAClipView() {
+ }
+
+protected:
+ // overrides from SkEventSink
+ virtual bool onQuery(SkEvent* evt) {
+ if (SampleCode::TitleQ(*evt)) {
+ SampleCode::TitleR(evt, "AAClip");
+ return true;
+ }
+ return this->INHERITED::onQuery(evt);
+ }
+
+ virtual void onDrawContent(SkCanvas* canvas) {
+#if 1
+ SkAAClip aaclip;
+ SkPath path;
+ SkRect bounds;
+
+ bounds.set(0, 0, 20, 20);
+ bounds.inset(SK_ScalarHalf, SK_ScalarHalf);
+
+// path.addRect(bounds);
+// path.addOval(bounds);
+ path.addRoundRect(bounds, 4, 4);
+ aaclip.setPath(path);
+ canvas->translate(30, 30);
+ drawClip(canvas, aaclip);
+
+ SkAAClip aaclip2;
+ path.offset(10, 10);
+ aaclip2.setPath(path);
+ canvas->translate(30, 0);
+ drawClip(canvas, aaclip2);
+
+ SkAAClip aaclip3;
+ aaclip3.op(aaclip, aaclip2, SkRegion::kIntersect_Op);
+ canvas->translate(30, 0);
+ drawClip(canvas, aaclip3);
+
+#endif
+
+#if 0
+ SkRect r;
+ r.set(0, 0, this->width(), this->height());
+ r.inset(20, 20);
+ canvas->clipRect(r);
+
+ SkPath path;
+ path.addRect(r);
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setColor(SK_ColorRED);
+ canvas->drawPath(path, paint);
+#endif
+ }
+
+private:
+ typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new AAClipView; }
+static SkViewRegister reg(MyFactory);
+