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