322878907f
git-svn-id: http://skia.googlecode.com/svn/trunk@2413 2bbb7eff-a529-9590-31e7-b0007b416f81
95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
|
|
/*
|
|
* 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);
|
|
|