c07d23a6e2
when we're above or below the clip. Still to do: - chop in X to avoid 16.16. overflow in the edgelist - apply the same logic for cubics (tho much harder math) git-svn-id: http://skia.googlecode.com/svn/trunk@88 2bbb7eff-a529-9590-31e7-b0007b416f81
86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
#include "SampleCode.h"
|
|
#include "SkView.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkGradientShader.h"
|
|
#include "SkGraphics.h"
|
|
#include "SkImageDecoder.h"
|
|
#include "SkPath.h"
|
|
#include "SkPorterDuff.h"
|
|
#include "SkRegion.h"
|
|
#include "SkShader.h"
|
|
#include "SkUtils.h"
|
|
#include "SkXfermode.h"
|
|
#include "SkColorPriv.h"
|
|
#include "SkColorFilter.h"
|
|
#include "SkTime.h"
|
|
#include "SkTypeface.h"
|
|
|
|
class PathClipView : public SkView {
|
|
public:
|
|
SkRect fOval;
|
|
SkPoint fCenter;
|
|
|
|
PathClipView() {
|
|
fOval.set(0, 0, SkIntToScalar(200), SkIntToScalar(50));
|
|
fCenter.set(SkIntToScalar(250), SkIntToScalar(250));
|
|
}
|
|
|
|
virtual ~PathClipView() {}
|
|
|
|
protected:
|
|
// overrides from SkEventSink
|
|
virtual bool onQuery(SkEvent* evt) {
|
|
if (SampleCode::TitleQ(*evt)) {
|
|
SampleCode::TitleR(evt, "PathClip");
|
|
return true;
|
|
}
|
|
return this->INHERITED::onQuery(evt);
|
|
}
|
|
|
|
void drawBG(SkCanvas* canvas) {
|
|
canvas->drawColor(SK_ColorWHITE);
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
this->drawBG(canvas);
|
|
|
|
SkRect oval = fOval;
|
|
oval.offset(fCenter.fX - oval.centerX(), fCenter.fY - oval.centerY());
|
|
|
|
SkPaint p;
|
|
p.setAntiAlias(true);
|
|
|
|
p.setStyle(SkPaint::kStroke_Style);
|
|
canvas->drawOval(oval, p);
|
|
|
|
SkRect r;
|
|
r.set(SkIntToScalar(200), SkIntToScalar(200),
|
|
SkIntToScalar(300), SkIntToScalar(300));
|
|
canvas->clipRect(r);
|
|
|
|
p.setStyle(SkPaint::kFill_Style);
|
|
p.setColor(SK_ColorRED);
|
|
canvas->drawRect(r, p);
|
|
|
|
p.setColor(0x800000FF);
|
|
r.set(SkIntToScalar(150), SkIntToScalar(10),
|
|
SkIntToScalar(250), SkIntToScalar(400));
|
|
canvas->drawOval(oval, p);
|
|
}
|
|
|
|
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
|
|
fCenter.set(x, y);
|
|
this->inval(NULL);
|
|
return NULL;
|
|
}
|
|
|
|
private:
|
|
typedef SkView INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkView* MyFactory() { return new PathClipView; }
|
|
static SkViewRegister reg(MyFactory);
|
|
|