62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
|
#include "SampleCode.h"
|
||
|
|
#include "SkView.h"
|
||
|
|
#include "SkCanvas.h"
|
||
|
|
#include "SkGraphics.h"
|
||
|
|
#include "SkRandom.h"
|
||
|
|
#include "SkGradientShader.h"
|
||
|
|
#include "SkPicture.h"
|
||
|
|
|
||
|
|
static SkShader* make_linear() {
|
||
|
|
SkPoint pts[] = { 0, 0, SK_Scalar1/500, SK_Scalar1/500 };
|
||
|
|
SkColor colors[] = { SK_ColorRED, SK_ColorBLUE };
|
||
|
|
return SkGradientShader::CreateLinear(pts, colors, NULL, 2,
|
||
|
|
SkShader::kClamp_TileMode);
|
||
|
|
}
|
||
|
|
|
||
|
|
class ClampView : public SampleView {
|
||
|
|
SkShader* fGrad;
|
||
|
|
|
||
|
|
public:
|
||
|
|
ClampView() {
|
||
|
|
fGrad = make_linear();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual ~ClampView() {
|
||
|
|
fGrad->unref();
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// overrides from SkEventSink
|
||
|
|
virtual bool onQuery(SkEvent* evt) {
|
||
|
|
if (SampleCode::TitleQ(*evt)) {
|
||
|
|
SampleCode::TitleR(evt, "Clamp");
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return this->INHERITED::onQuery(evt);
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void onDrawContent(SkCanvas* canvas) {
|
||
|
|
SkPaint paint;
|
||
|
|
paint.setShader(fGrad);
|
||
|
|
|
||
|
|
// canvas->translate(this->width()/2, this->height()/2);
|
||
|
|
canvas->translate(64, 64);
|
||
|
|
canvas->drawPaint(paint);
|
||
|
|
|
||
|
|
SkPicture pic;
|
||
|
|
SkCanvas* c = pic.beginRecording(100, 100, 0);
|
||
|
|
SkCanvas::LayerIter layerIterator(c, false);
|
||
|
|
layerIterator.next();
|
||
|
|
layerIterator.done();
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
typedef SampleView INHERITED;
|
||
|
|
};
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
static SkView* MyFactory() { return new ClampView; }
|
||
|
|
static SkViewRegister reg(MyFactory);
|
||
|
|
|