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 "SkImageDecoder.h" |
| 5 | #include "SkNinePatch.h" |
| 6 | #include "SkPaint.h" |
| 7 | #include "SkUnPreMultiply.h" |
| 8 | |
| 9 | class NinePatchView : public SkView { |
| 10 | public: |
| 11 | SkBitmap fBM; |
| 12 | |
| 13 | NinePatchView() { |
| 14 | SkImageDecoder::DecodeFile("/skimages/folder_background.9.png", &fBM); |
| 15 | } |
| 16 | |
| 17 | protected: |
| 18 | // overrides from SkEventSink |
| 19 | virtual bool onQuery(SkEvent* evt) { |
| 20 | if (SampleCode::TitleQ(*evt)) { |
| 21 | SampleCode::TitleR(evt, "NinePatch"); |
| 22 | return true; |
| 23 | } |
| 24 | return this->INHERITED::onQuery(evt); |
| 25 | } |
| 26 | |
| 27 | void drawBG(SkCanvas* canvas) { |
| 28 | canvas->drawColor(SK_ColorWHITE); |
| 29 | |
| 30 | canvas->drawBitmap(fBM, 0, 0); |
| 31 | |
| 32 | SkIRect margins; |
| 33 | SkRect dst; |
| 34 | int d = 25; |
| 35 | |
| 36 | margins.set(d, d, d, d); |
| 37 | dst.set(0, 0, SkIntToScalar(200), SkIntToScalar(200)); |
| 38 | dst.offset(SkIntToScalar(fBM.width()), 0); |
| 39 | dst.offset(SkIntToScalar(2), SkIntToScalar(2)); |
| 40 | |
| 41 | SkNinePatch::DrawNine(canvas, dst, fBM, margins); |
| 42 | |
| 43 | int cx = fBM.width()/2; |
| 44 | int cy = fBM.height()/2; |
| 45 | SkPMColor pm = *fBM.getAddr32(cx, cy); |
| 46 | SkColor c = SkUnPreMultiply::PMColorToColor(pm); |
| 47 | SkColor pm2 = SkPreMultiplyColor(c); |
| 48 | //SkDebugf("--- pm %x c %x pm2 %x\n", pm, c, pm2); |
| 49 | } |
| 50 | |
| 51 | virtual void onDraw(SkCanvas* canvas) { |
| 52 | this->drawBG(canvas); |
| 53 | } |
| 54 | |
| 55 | private: |
| 56 | typedef SkView INHERITED; |
| 57 | }; |
| 58 | |
| 59 | ////////////////////////////////////////////////////////////////////////////// |
| 60 | |
| 61 | static SkView* MyFactory() { return new NinePatchView; } |
| 62 | static SkViewRegister reg(MyFactory); |
| 63 | |