107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
#include "SampleCode.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "SkCamera.h"
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#include "SkEmbossMaskFilter.h"
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#include "SkGradientShader.h"
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#include "SkPath.h"
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#include "SkRegion.h"
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#include "SkShader.h"
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#include "SkUtils.h"
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#include "SkRandom.h"
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class CameraView : public SkView {
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public:
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CameraView()
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{
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fRX = fRY = fRZ = 0;
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}
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virtual ~CameraView()
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{
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}
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protected:
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// overrides from SkEventSink
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virtual bool onQuery(SkEvent* evt)
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{
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if (SampleCode::TitleQ(*evt))
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{
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SampleCode::TitleR(evt, "Camera");
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return true;
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}
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return this->INHERITED::onQuery(evt);
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}
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void drawBG(SkCanvas* canvas)
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{
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canvas->drawColor(0xFFDDDDDD);
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// canvas->drawColor(0, SkPorterDuff::kClear_Mode);
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}
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virtual void onDraw(SkCanvas* canvas)
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{
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this->drawBG(canvas);
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canvas->translate(this->width()/2, this->height()/2);
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Sk3DView view;
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view.rotateX(SkIntToScalar(fRX));
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view.rotateY(SkIntToScalar(fRY));
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view.applyToCanvas(canvas);
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SkPaint paint;
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SkScalar rad = SkIntToScalar(50);
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SkScalar dim = rad*2;
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if (view.dotWithNormal(0, 0, SK_Scalar1) < 0) {
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paint.setColor(SK_ColorRED);
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}
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paint.setAntiAlias(true);
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#if 0
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SkEmbossMaskFilter::Light light;
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light.fDirection[0] = SK_Scalar1;
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light.fDirection[1] = SK_Scalar1;
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light.fDirection[2] = SK_Scalar1;
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light.fAmbient = 180;
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light.fSpecular = 16 * 2;
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paint.setMaskFilter(new SkEmbossMaskFilter(light, SkIntToScalar(4)));
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#endif
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canvas->drawCircle(0, 0, rad, paint);
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canvas->drawCircle(-dim, -dim, rad, paint);
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canvas->drawCircle(-dim, dim, rad, paint);
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canvas->drawCircle( dim, -dim, rad, paint);
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canvas->drawCircle( dim, dim, rad, paint);
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fRY += 1;
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if (fRY >= 360)
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fRY = 0;
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this->inval(NULL);
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}
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virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y)
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{
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SkScalar angle = SkScalarDiv(this->height()/2 - y, this->height());
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fRX = SkScalarRound(angle * 180);
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return this->INHERITED::onFindClickHandler(x, y);
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}
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virtual bool onClick(Click* click)
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{
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return this->INHERITED::onClick(click);
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}
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private:
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int fRX, fRY, fRZ;
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typedef SkView INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new CameraView; }
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static SkViewRegister reg(MyFactory);
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