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#include "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkGraphics.h"
#include "SkRandom.h"
#include "SkLayerDrawLooper.h"
#include "SkBlurMaskFilter.h"
#include <pthread.h>
#define WIDTH 200
#define HEIGHT 200
class LooperView : public SkView {
public:
SkLayerDrawLooper* fLooper;
LooperView() {
static const struct {
SkColor fColor;
SkPaint::Style fStyle;
SkScalar fWidth;
SkScalar fOffset;
int fBlur;
} gParams[] = {
{ SK_ColorWHITE, SkPaint::kStroke_Style, SkIntToScalar(1)*3/4, 0, 0 },
{ SK_ColorRED, SkPaint::kStroke_Style, SkIntToScalar(4), 0, 0 },
{ SK_ColorBLUE, SkPaint::kFill_Style, 0, 0, 0 },
{ 0x88000000, SkPaint::kFill_Style, 0, SkIntToScalar(10), 3 }
};
fLooper = new SkLayerDrawLooper;
for (int i = 0; i < SK_ARRAY_COUNT(gParams); i++) {
SkPaint* paint = fLooper->addLayer(gParams[i].fOffset,
gParams[i].fOffset);
paint->setAntiAlias(true);
paint->setColor(gParams[i].fColor);
paint->setStyle(gParams[i].fStyle);
paint->setStrokeWidth(gParams[i].fWidth);
paint->setTextSize(SkIntToScalar(72));
if (gParams[i].fBlur > 0) {
SkMaskFilter* mf = SkBlurMaskFilter::Create(SkIntToScalar(gParams[i].fBlur),
SkBlurMaskFilter::kNormal_BlurStyle);
paint->setMaskFilter(mf)->unref();
}
}
}
virtual ~LooperView() {
fLooper->safeUnref();
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "DrawLooper");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(0xFFDDDDDD);
// canvas->drawColor(SK_ColorWHITE);
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
SkPaint paint;
paint.setLooper(fLooper);
canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
SkIntToScalar(30), paint);
canvas->drawRectCoords(SkIntToScalar(150), SkIntToScalar(50),
SkIntToScalar(200), SkIntToScalar(100), paint);
canvas->drawText("Looper", 6, SkIntToScalar(230), SkIntToScalar(100),
paint);
}
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
this->inval(NULL);
return this->INHERITED::onFindClickHandler(x, y);
}
virtual bool onClick(Click* click) {
return this->INHERITED::onClick(click);
}
private:
typedef SkView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new LooperView; }
static SkViewRegister reg(MyFactory);
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