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() { |
reed@android.com | 7d970c7 | 2010-04-22 16:07:49 +0000 | [diff] [blame] | 14 | SkImageDecoder::DecodeFile("/skimages/btn_default_normal_disable.9.png", &fBM); |
reed@android.com | 0b9e2db | 2009-09-16 17:00:17 +0000 | [diff] [blame] | 15 | |
| 16 | // trim off the edge guide-lines |
| 17 | SkBitmap tmp; |
| 18 | SkIRect r; |
| 19 | r.set(1, 1, fBM.width() - 1, fBM.height() - 1); |
| 20 | fBM.extractSubset(&tmp, r); |
| 21 | fBM.swap(tmp); |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 22 | |
| 23 | fX = SkIntToScalar(fBM.width()); |
| 24 | fY = 0; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 25 | } |
| 26 | |
| 27 | protected: |
| 28 | // overrides from SkEventSink |
| 29 | virtual bool onQuery(SkEvent* evt) { |
| 30 | if (SampleCode::TitleQ(*evt)) { |
| 31 | SampleCode::TitleR(evt, "NinePatch"); |
| 32 | return true; |
| 33 | } |
| 34 | return this->INHERITED::onQuery(evt); |
| 35 | } |
| 36 | |
| 37 | void drawBG(SkCanvas* canvas) { |
reed@android.com | 7d970c7 | 2010-04-22 16:07:49 +0000 | [diff] [blame] | 38 | SkPaint p; |
| 39 | p.setDither(true); |
| 40 | p.setColor(0xFF909090); |
| 41 | canvas->drawPaint(p); |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 42 | } |
reed@android.com | 7d970c7 | 2010-04-22 16:07:49 +0000 | [diff] [blame] | 43 | |
| 44 | static void test_rects(SkCanvas* canvas, const SkBitmap& bm, const SkPaint* paint) { |
| 45 | static const SkIRect src[] = { |
| 46 | { 0, 0, 18, 34 }, |
| 47 | { 18, 0, 19, 34 }, |
| 48 | { 19, 0, 36, 34 }, |
| 49 | { 0, 34, 18, 35 }, |
| 50 | { 18, 34, 19, 35 }, |
| 51 | { 19, 34, 36, 35 }, |
| 52 | { 0, 35, 18, 72 }, |
| 53 | { 18, 35, 19, 72 }, |
| 54 | { 19, 35, 36, 72 }, |
| 55 | }; |
| 56 | static const SkRect dst[] = { |
| 57 | { 0, 0, 18, 34 }, |
| 58 | { 18, 0, 283, 34 }, |
| 59 | { 283, 0, 300, 34 }, |
| 60 | { 0, 34, 18, 163 }, |
| 61 | { 18, 34, 283, 163 }, |
| 62 | { 283, 34, 300, 163 }, |
| 63 | { 0, 163, 18, 200 }, |
| 64 | { 18, 163, 283, 200 }, |
| 65 | { 283, 163, 300, 200 }, |
| 66 | }; |
| 67 | for (size_t i = 0; i < SK_ARRAY_COUNT(src); i++) { |
| 68 | canvas->drawBitmapRect(bm, &src[i], dst[i], paint); |
| 69 | } |
| 70 | } |
| 71 | |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 72 | virtual void onDraw(SkCanvas* canvas) { |
| 73 | this->drawBG(canvas); |
| 74 | |
reed@android.com | 7d970c7 | 2010-04-22 16:07:49 +0000 | [diff] [blame] | 75 | // canvas->scale(1.5f, 1.5f); |
reed@android.com | 0b9e2db | 2009-09-16 17:00:17 +0000 | [diff] [blame] | 76 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 77 | canvas->drawBitmap(fBM, 0, 0); |
| 78 | |
| 79 | SkIRect margins; |
| 80 | SkRect dst; |
| 81 | int d = 25; |
| 82 | |
| 83 | margins.set(d, d, d, d); |
reed@android.com | 7d970c7 | 2010-04-22 16:07:49 +0000 | [diff] [blame] | 84 | margins.fLeft = fBM.width()/2 - 1; |
| 85 | margins.fTop = fBM.height()/2 - 1; |
| 86 | margins.fRight = fBM.width() - margins.fLeft - 1; |
| 87 | margins.fBottom = fBM.height() - margins.fTop - 1; |
| 88 | |
| 89 | // canvas->translate(fX/5, fY/5); |
| 90 | canvas->translate(0, 76); |
| 91 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 92 | dst.set(0, 0, SkIntToScalar(200), SkIntToScalar(200)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 93 | |
reed@android.com | 7d970c7 | 2010-04-22 16:07:49 +0000 | [diff] [blame] | 94 | SkPaint paint; |
| 95 | paint.setAntiAlias(false); |
| 96 | paint.setDither(true); |
| 97 | paint.setFilterBitmap(false); |
| 98 | // SkNinePatch::DrawNine(canvas, dst, fBM, margins, &paint); |
| 99 | test_rects(canvas, fBM, &paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 100 | } |
| 101 | |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 102 | virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) { |
| 103 | fX = x / 1.5f; |
| 104 | fY = y / 1.5f; |
reed@android.com | 7d970c7 | 2010-04-22 16:07:49 +0000 | [diff] [blame] | 105 | fX = x; fY = y; |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 106 | this->inval(NULL); |
| 107 | return this->INHERITED::onFindClickHandler(x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 108 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 109 | private: |
reed@android.com | c4cae85 | 2009-09-23 15:06:10 +0000 | [diff] [blame] | 110 | SkScalar fX, fY; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 111 | typedef SkView INHERITED; |
| 112 | }; |
| 113 | |
| 114 | ////////////////////////////////////////////////////////////////////////////// |
| 115 | |
| 116 | static SkView* MyFactory() { return new NinePatchView; } |
| 117 | static SkViewRegister reg(MyFactory); |
| 118 | |