| #include "SampleCode.h" |
| #include "SkView.h" |
| #include "SkCanvas.h" |
| #include "SkImageDecoder.h" |
| #include "SkNinePatch.h" |
| #include "SkPaint.h" |
| #include "SkUnPreMultiply.h" |
| |
| class NinePatchView : public SkView { |
| public: |
| SkBitmap fBM; |
| |
| NinePatchView() { |
| SkImageDecoder::DecodeFile("/skimages/btn_default_normal_disable.9.png", &fBM); |
| |
| // trim off the edge guide-lines |
| SkBitmap tmp; |
| SkIRect r; |
| r.set(1, 1, fBM.width() - 1, fBM.height() - 1); |
| fBM.extractSubset(&tmp, r); |
| fBM.swap(tmp); |
| |
| fX = SkIntToScalar(fBM.width()); |
| fY = 0; |
| } |
| |
| protected: |
| // overrides from SkEventSink |
| virtual bool onQuery(SkEvent* evt) { |
| if (SampleCode::TitleQ(*evt)) { |
| SampleCode::TitleR(evt, "NinePatch"); |
| return true; |
| } |
| return this->INHERITED::onQuery(evt); |
| } |
| |
| void drawBG(SkCanvas* canvas) { |
| SkPaint p; |
| p.setDither(true); |
| p.setColor(0xFF909090); |
| canvas->drawPaint(p); |
| } |
| |
| static void test_rects(SkCanvas* canvas, const SkBitmap& bm, const SkPaint* paint) { |
| static const SkIRect src[] = { |
| { 0, 0, 18, 34 }, |
| { 18, 0, 19, 34 }, |
| { 19, 0, 36, 34 }, |
| { 0, 34, 18, 35 }, |
| { 18, 34, 19, 35 }, |
| { 19, 34, 36, 35 }, |
| { 0, 35, 18, 72 }, |
| { 18, 35, 19, 72 }, |
| { 19, 35, 36, 72 }, |
| }; |
| static const SkRect dst[] = { |
| { 0, 0, 18, 34 }, |
| { 18, 0, 283, 34 }, |
| { 283, 0, 300, 34 }, |
| { 0, 34, 18, 163 }, |
| { 18, 34, 283, 163 }, |
| { 283, 34, 300, 163 }, |
| { 0, 163, 18, 200 }, |
| { 18, 163, 283, 200 }, |
| { 283, 163, 300, 200 }, |
| }; |
| for (size_t i = 0; i < SK_ARRAY_COUNT(src); i++) { |
| canvas->drawBitmapRect(bm, &src[i], dst[i], paint); |
| } |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) { |
| this->drawBG(canvas); |
| |
| // canvas->scale(1.5f, 1.5f); |
| |
| canvas->drawBitmap(fBM, 0, 0); |
| |
| SkIRect margins; |
| SkRect dst; |
| int d = 25; |
| |
| margins.set(d, d, d, d); |
| margins.fLeft = fBM.width()/2 - 1; |
| margins.fTop = fBM.height()/2 - 1; |
| margins.fRight = fBM.width() - margins.fLeft - 1; |
| margins.fBottom = fBM.height() - margins.fTop - 1; |
| |
| // canvas->translate(fX/5, fY/5); |
| canvas->translate(0, 76); |
| |
| dst.set(0, 0, SkIntToScalar(200), SkIntToScalar(200)); |
| |
| SkPaint paint; |
| paint.setAntiAlias(false); |
| paint.setDither(true); |
| paint.setFilterBitmap(false); |
| // SkNinePatch::DrawNine(canvas, dst, fBM, margins, &paint); |
| test_rects(canvas, fBM, &paint); |
| } |
| |
| virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) { |
| fX = x / 1.5f; |
| fY = y / 1.5f; |
| fX = x; fY = y; |
| this->inval(NULL); |
| return this->INHERITED::onFindClickHandler(x, y); |
| } |
| private: |
| SkScalar fX, fY; |
| typedef SkView INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static SkView* MyFactory() { return new NinePatchView; } |
| static SkViewRegister reg(MyFactory); |
| |