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 "SkGradientShader.h" |
| 5 | #include "SkGraphics.h" |
| 6 | #include "SkImageDecoder.h" |
| 7 | #include "SkPath.h" |
| 8 | #include "SkPorterDuff.h" |
| 9 | #include "SkRegion.h" |
| 10 | #include "SkShader.h" |
| 11 | #include "SkUtils.h" |
| 12 | #include "SkXfermode.h" |
| 13 | #include "SkShaderExtras.h" |
| 14 | #include "SkColorPriv.h" |
| 15 | #include "SkColorFilter.h" |
| 16 | #include "SkTime.h" |
| 17 | #include "SkTypeface.h" |
| 18 | |
| 19 | #include "SkImageRef.h" |
| 20 | #include "SkOSFile.h" |
| 21 | #include "SkStream.h" |
| 22 | |
| 23 | #define SPECIFIC_IMAGE "/skimages/main.gif" |
| 24 | |
| 25 | class BitmapRectView : public SkView { |
| 26 | public: |
| 27 | SkBitmap fBitmap; |
| 28 | int fCurrX, fCurrY; |
| 29 | |
| 30 | BitmapRectView() { |
| 31 | SkImageDecoder::DecodeFile(SPECIFIC_IMAGE, &fBitmap); |
| 32 | fCurrX = fCurrY = 0; |
| 33 | } |
| 34 | |
| 35 | protected: |
| 36 | // overrides from SkEventSink |
| 37 | virtual bool onQuery(SkEvent* evt) |
| 38 | { |
| 39 | if (SampleCode::TitleQ(*evt)) |
| 40 | { |
| 41 | SkString str("BitmapRect: "); |
| 42 | str.append(SPECIFIC_IMAGE); |
| 43 | SampleCode::TitleR(evt, str.c_str()); |
| 44 | return true; |
| 45 | } |
| 46 | return this->INHERITED::onQuery(evt); |
| 47 | } |
| 48 | |
| 49 | void drawBG(SkCanvas* canvas) |
| 50 | { |
| 51 | canvas->drawColor(SK_ColorGRAY); |
| 52 | } |
| 53 | |
| 54 | virtual void onDraw(SkCanvas* canvas) |
| 55 | { |
| 56 | this->drawBG(canvas); |
| 57 | |
| 58 | canvas->drawBitmap(fBitmap, 0, 0, NULL); |
| 59 | |
| 60 | SkIRect subset; |
| 61 | const int SRC_WIDTH = 16; |
| 62 | const int SRC_HEIGHT = 16; |
| 63 | |
| 64 | subset.set(0, 0, SRC_WIDTH, SRC_HEIGHT); |
| 65 | subset.offset(fCurrX, fCurrY); |
| 66 | |
| 67 | SkDebugf("---- src x=%d y=%d\n", subset.fLeft, subset.fTop); |
| 68 | |
| 69 | SkRect dst0, dst1; |
| 70 | SkScalar y = SkIntToScalar(fBitmap.height() + 16); |
| 71 | |
| 72 | dst0.set(SkIntToScalar(50), y, |
| 73 | SkIntToScalar(50+SRC_WIDTH), |
| 74 | y + SkIntToScalar(SRC_HEIGHT)); |
| 75 | dst1 = dst0; |
| 76 | dst1.offset(SkIntToScalar(200), 0); |
| 77 | dst1.fRight = dst1.fLeft + 8 * dst0.width(); |
| 78 | dst1.fBottom = dst1.fTop + 8 * dst0.height(); |
| 79 | |
| 80 | canvas->drawBitmapRect(fBitmap, &subset, dst0, NULL); |
| 81 | canvas->drawBitmapRect(fBitmap, &subset, dst1, NULL); |
| 82 | |
| 83 | SkPaint paint; |
| 84 | paint.setColor(0x88FF0000); |
| 85 | canvas->drawRect(dst0, paint); |
| 86 | paint.setColor(0x880000FF); |
| 87 | canvas->drawRect(dst1, paint); |
| 88 | } |
| 89 | |
| 90 | virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) |
| 91 | { |
| 92 | return new Click(this); |
| 93 | } |
| 94 | |
| 95 | virtual bool onClick(Click* click) |
| 96 | { |
| 97 | fCurrX = click->fICurr.fX; |
| 98 | fCurrY = click->fICurr.fY; |
| 99 | this->inval(NULL); |
| 100 | return true; |
| 101 | } |
| 102 | |
| 103 | private: |
| 104 | typedef SkView INHERITED; |
| 105 | }; |
| 106 | |
| 107 | ////////////////////////////////////////////////////////////////////////////// |
| 108 | |
| 109 | static SkView* MyFactory() { return new BitmapRectView; } |
| 110 | static SkViewRegister reg(MyFactory); |
| 111 | |