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/*
* 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);
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