159 lines
4.6 KiB
C++
159 lines
4.6 KiB
C++
#include "SampleCode.h"
|
|
#include "SkView.h"
|
|
#include "SkCanvas.h"
|
|
#include "Sk64.h"
|
|
#include "SkGradientShader.h"
|
|
#include "SkGraphics.h"
|
|
#include "SkImageDecoder.h"
|
|
#include "SkKernel33MaskFilter.h"
|
|
#include "SkPath.h"
|
|
#include "SkPicture.h"
|
|
#include "SkRandom.h"
|
|
#include "SkRegion.h"
|
|
#include "SkShader.h"
|
|
#include "SkUtils.h"
|
|
#include "SkShaderExtras.h"
|
|
#include "SkColorPriv.h"
|
|
#include "SkColorFilter.h"
|
|
#include "SkTime.h"
|
|
#include "SkTypeface.h"
|
|
#include "SkXfermode.h"
|
|
|
|
#include "SkStream.h"
|
|
#include "SkXMLParser.h"
|
|
|
|
static void drawCircle(SkCanvas* canvas, int r, SkColor color) {
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
paint.setColor(color);
|
|
|
|
canvas->drawCircle(SkIntToScalar(r), SkIntToScalar(r), SkIntToScalar(r),
|
|
paint);
|
|
}
|
|
|
|
class PictureView : public SkView {
|
|
public:
|
|
PictureView() {
|
|
fPicture = new SkPicture;
|
|
SkCanvas* canvas = fPicture->beginRecording(100, 100);
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
|
|
drawCircle(canvas, 50, SK_ColorBLACK);
|
|
fSubPicture = new SkPicture;
|
|
canvas->drawPicture(*fSubPicture);
|
|
canvas->translate(SkIntToScalar(50), 0);
|
|
canvas->drawPicture(*fSubPicture);
|
|
canvas->translate(0, SkIntToScalar(50));
|
|
canvas->drawPicture(*fSubPicture);
|
|
canvas->translate(SkIntToScalar(-50), 0);
|
|
canvas->drawPicture(*fSubPicture);
|
|
// fPicture now has (4) references to us. We can release ours, and just
|
|
// unref fPicture in our destructor, and it will in turn take care of
|
|
// the other references to fSubPicture
|
|
fSubPicture->unref();
|
|
}
|
|
|
|
virtual ~PictureView() {
|
|
fPicture->unref();
|
|
}
|
|
|
|
protected:
|
|
// overrides from SkEventSink
|
|
virtual bool onQuery(SkEvent* evt) {
|
|
if (SampleCode::TitleQ(*evt)) {
|
|
SampleCode::TitleR(evt, "Picture");
|
|
return true;
|
|
}
|
|
return this->INHERITED::onQuery(evt);
|
|
}
|
|
|
|
void drawBG(SkCanvas* canvas) {
|
|
// canvas->drawColor(0xFFDDDDDD);
|
|
canvas->drawColor(SK_ColorWHITE);
|
|
// canvas->drawColor(SK_ColorBLACK);
|
|
}
|
|
|
|
void drawSomething(SkCanvas* canvas) {
|
|
SkPaint paint;
|
|
|
|
paint.setAntiAlias(true);
|
|
|
|
paint.setColor(SK_ColorRED);
|
|
canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
|
|
SkIntToScalar(40), paint);
|
|
paint.setColor(SK_ColorBLACK);
|
|
paint.setTextSize(SkIntToScalar(40));
|
|
canvas->drawText("Picture", 7, SkIntToScalar(50), SkIntToScalar(62),
|
|
paint);
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
this->drawBG(canvas);
|
|
|
|
drawSomething(canvas);
|
|
|
|
SkPicture* pict = new SkPicture;
|
|
SkAutoUnref aur(pict);
|
|
|
|
drawSomething(pict->beginRecording(100, 100));
|
|
pict->endRecording();
|
|
|
|
canvas->save();
|
|
canvas->translate(SkIntToScalar(300), SkIntToScalar(50));
|
|
canvas->scale(-SK_Scalar1, -SK_Scalar1);
|
|
canvas->translate(-SkIntToScalar(100), -SkIntToScalar(50));
|
|
canvas->drawPicture(*pict);
|
|
canvas->restore();
|
|
|
|
canvas->save();
|
|
canvas->translate(SkIntToScalar(200), SkIntToScalar(150));
|
|
canvas->scale(SK_Scalar1, -SK_Scalar1);
|
|
canvas->translate(0, -SkIntToScalar(50));
|
|
canvas->drawPicture(*pict);
|
|
canvas->restore();
|
|
|
|
canvas->save();
|
|
canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
|
|
canvas->scale(-SK_Scalar1, SK_Scalar1);
|
|
canvas->translate(-SkIntToScalar(100), 0);
|
|
canvas->drawPicture(*pict);
|
|
canvas->restore();
|
|
|
|
// test that we can re-record a subpicture, and see the results
|
|
|
|
canvas->translate(SkIntToScalar(10), SkIntToScalar(250));
|
|
drawCircle(fSubPicture->beginRecording(50, 50), 25,
|
|
fRand.nextU() | 0xFF000000);
|
|
canvas->drawPicture(*fPicture);
|
|
delayInval(500);
|
|
}
|
|
|
|
private:
|
|
#define INVAL_ALL_TYPE "inval-all"
|
|
|
|
void delayInval(SkMSec delay) {
|
|
(new SkEvent(INVAL_ALL_TYPE))->post(this->getSinkID(), delay);
|
|
}
|
|
|
|
virtual bool onEvent(const SkEvent& evt) {
|
|
if (evt.isType(INVAL_ALL_TYPE)) {
|
|
this->inval(NULL);
|
|
return true;
|
|
}
|
|
return this->INHERITED::onEvent(evt);
|
|
}
|
|
|
|
SkPicture* fPicture;
|
|
SkPicture* fSubPicture;
|
|
SkRandom fRand;
|
|
|
|
typedef SkView INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkView* MyFactory() { return new PictureView; }
|
|
static SkViewRegister reg(MyFactory);
|
|
|