reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | #include "SampleCode.h" |
| 2 | #include "SkView.h" |
| 3 | #include "SkCanvas.h" |
| 4 | #include "SkCamera.h" |
| 5 | #include "SkEmbossMaskFilter.h" |
| 6 | #include "SkGradientShader.h" |
| 7 | #include "SkPath.h" |
| 8 | #include "SkRegion.h" |
| 9 | #include "SkShader.h" |
| 10 | #include "SkUtils.h" |
| 11 | #include "SkRandom.h" |
| 12 | |
| 13 | class CameraView : public SkView { |
| 14 | public: |
| 15 | CameraView() |
| 16 | { |
| 17 | fRX = fRY = fRZ = 0; |
| 18 | } |
| 19 | |
| 20 | virtual ~CameraView() |
| 21 | { |
| 22 | } |
| 23 | |
| 24 | protected: |
| 25 | // overrides from SkEventSink |
| 26 | virtual bool onQuery(SkEvent* evt) |
| 27 | { |
| 28 | if (SampleCode::TitleQ(*evt)) |
| 29 | { |
| 30 | SampleCode::TitleR(evt, "Camera"); |
| 31 | return true; |
| 32 | } |
| 33 | return this->INHERITED::onQuery(evt); |
| 34 | } |
| 35 | |
| 36 | void drawBG(SkCanvas* canvas) |
| 37 | { |
| 38 | canvas->drawColor(0xFFDDDDDD); |
| 39 | // canvas->drawColor(0, SkPorterDuff::kClear_Mode); |
| 40 | } |
| 41 | |
| 42 | virtual void onDraw(SkCanvas* canvas) |
| 43 | { |
| 44 | this->drawBG(canvas); |
| 45 | |
| 46 | canvas->translate(this->width()/2, this->height()/2); |
| 47 | |
| 48 | Sk3DView view; |
| 49 | view.rotateX(SkIntToScalar(fRX)); |
| 50 | view.rotateY(SkIntToScalar(fRY)); |
| 51 | view.applyToCanvas(canvas); |
| 52 | |
| 53 | SkPaint paint; |
| 54 | SkScalar rad = SkIntToScalar(50); |
| 55 | SkScalar dim = rad*2; |
| 56 | |
| 57 | if (view.dotWithNormal(0, 0, SK_Scalar1) < 0) { |
| 58 | paint.setColor(SK_ColorRED); |
| 59 | } |
| 60 | |
| 61 | paint.setAntiAlias(true); |
| 62 | |
| 63 | #if 0 |
| 64 | SkEmbossMaskFilter::Light light; |
| 65 | light.fDirection[0] = SK_Scalar1; |
| 66 | light.fDirection[1] = SK_Scalar1; |
| 67 | light.fDirection[2] = SK_Scalar1; |
| 68 | light.fAmbient = 180; |
| 69 | light.fSpecular = 16 * 2; |
| 70 | paint.setMaskFilter(new SkEmbossMaskFilter(light, SkIntToScalar(4))); |
| 71 | #endif |
| 72 | |
| 73 | canvas->drawCircle(0, 0, rad, paint); |
| 74 | canvas->drawCircle(-dim, -dim, rad, paint); |
| 75 | canvas->drawCircle(-dim, dim, rad, paint); |
| 76 | canvas->drawCircle( dim, -dim, rad, paint); |
| 77 | canvas->drawCircle( dim, dim, rad, paint); |
| 78 | |
| 79 | fRY += 1; |
| 80 | if (fRY >= 360) |
| 81 | fRY = 0; |
| 82 | this->inval(NULL); |
| 83 | } |
| 84 | |
| 85 | virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) |
| 86 | { |
| 87 | SkScalar angle = SkScalarDiv(this->height()/2 - y, this->height()); |
| 88 | fRX = SkScalarRound(angle * 180); |
| 89 | return this->INHERITED::onFindClickHandler(x, y); |
| 90 | } |
| 91 | |
| 92 | virtual bool onClick(Click* click) |
| 93 | { |
| 94 | return this->INHERITED::onClick(click); |
| 95 | } |
| 96 | |
| 97 | private: |
| 98 | int fRX, fRY, fRZ; |
| 99 | typedef SkView INHERITED; |
| 100 | }; |
| 101 | |
| 102 | ////////////////////////////////////////////////////////////////////////////// |
| 103 | |
| 104 | static SkView* MyFactory() { return new CameraView; } |
| 105 | static SkViewRegister reg(MyFactory); |
| 106 | |