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| 1 /* | 1 /* |
| 2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "SampleCode.h" | 8 #include "SampleCode.h" |
| 9 #include "SkAnimTimer.h" | 9 #include "SkAnimTimer.h" |
| 10 #include "SkView.h" | 10 #include "SkView.h" |
| (...skipping 21 matching lines...) Expand all Loading... |
| 32 matrix.setRSXform(xform[i]); | 32 matrix.setRSXform(xform[i]); |
| 33 | 33 |
| 34 canvas->save(); | 34 canvas->save(); |
| 35 canvas->concat(matrix); | 35 canvas->concat(matrix); |
| 36 canvas->drawImageRect(atlas, tex[i], tex[i].makeOffset(-tex[i].x(), -tex
[i].y()), paint, | 36 canvas->drawImageRect(atlas, tex[i], tex[i].makeOffset(-tex[i].x(), -tex
[i].y()), paint, |
| 37 SkCanvas::kFast_SrcRectConstraint); | 37 SkCanvas::kFast_SrcRectConstraint); |
| 38 canvas->restore(); | 38 canvas->restore(); |
| 39 } | 39 } |
| 40 } | 40 } |
| 41 | 41 |
| 42 static SkImage* make_atlas(int atlasSize, int cellSize) { | 42 static sk_sp<SkImage> make_atlas(int atlasSize, int cellSize) { |
| 43 SkImageInfo info = SkImageInfo::MakeN32Premul(atlasSize, atlasSize); | 43 SkImageInfo info = SkImageInfo::MakeN32Premul(atlasSize, atlasSize); |
| 44 SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info)); | 44 SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info)); |
| 45 SkCanvas* canvas = surface->getCanvas(); | 45 SkCanvas* canvas = surface->getCanvas(); |
| 46 | 46 |
| 47 SkPaint paint; | 47 SkPaint paint; |
| 48 paint.setAntiAlias(true); | 48 paint.setAntiAlias(true); |
| 49 SkRandom rand; | 49 SkRandom rand; |
| 50 | 50 |
| 51 const SkScalar half = cellSize * SK_ScalarHalf; | 51 const SkScalar half = cellSize * SK_ScalarHalf; |
| 52 const char* s = "01234567890!@#$%^&*=+<>?abcdefghijklmnopqrstuvwxyzABCDEFGHI
JKLMNOPQRSTUVWXYZ"; | 52 const char* s = "01234567890!@#$%^&*=+<>?abcdefghijklmnopqrstuvwxyzABCDEFGHI
JKLMNOPQRSTUVWXYZ"; |
| 53 paint.setTextSize(28); | 53 paint.setTextSize(28); |
| 54 paint.setTextAlign(SkPaint::kCenter_Align); | 54 paint.setTextAlign(SkPaint::kCenter_Align); |
| 55 int i = 0; | 55 int i = 0; |
| 56 for (int y = 0; y < atlasSize; y += cellSize) { | 56 for (int y = 0; y < atlasSize; y += cellSize) { |
| 57 for (int x = 0; x < atlasSize; x += cellSize) { | 57 for (int x = 0; x < atlasSize; x += cellSize) { |
| 58 paint.setColor(rand.nextU()); | 58 paint.setColor(rand.nextU()); |
| 59 paint.setAlpha(0xFF); | 59 paint.setAlpha(0xFF); |
| 60 int index = i % strlen(s); | 60 int index = i % strlen(s); |
| 61 canvas->drawText(&s[index], 1, x + half, y + half + half/2, paint); | 61 canvas->drawText(&s[index], 1, x + half, y + half + half/2, paint); |
| 62 i += 1; | 62 i += 1; |
| 63 } | 63 } |
| 64 } | 64 } |
| 65 return surface->newImageSnapshot(); | 65 return surface->makeImageSnapshot(); |
| 66 } | 66 } |
| 67 | 67 |
| 68 class DrawAtlasDrawable : public SkDrawable { | 68 class DrawAtlasDrawable : public SkDrawable { |
| 69 enum { | 69 enum { |
| 70 kMaxScale = 2, | 70 kMaxScale = 2, |
| 71 kCellSize = 32, | 71 kCellSize = 32, |
| 72 kAtlasSize = 512, | 72 kAtlasSize = 512, |
| 73 }; | 73 }; |
| 74 | 74 |
| 75 struct Rec { | 75 struct Rec { |
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| 124 SkScalarHalf(kCellSize), SkScalarH
alf(kCellSize)); | 124 SkScalarHalf(kCellSize), SkScalarH
alf(kCellSize)); |
| 125 } | 125 } |
| 126 }; | 126 }; |
| 127 | 127 |
| 128 DrawAtlasProc fProc; | 128 DrawAtlasProc fProc; |
| 129 | 129 |
| 130 enum { | 130 enum { |
| 131 N = 256, | 131 N = 256, |
| 132 }; | 132 }; |
| 133 | 133 |
| 134 SkAutoTUnref<SkImage> fAtlas; | 134 sk_sp<SkImage> fAtlas; |
| 135 Rec fRec[N]; | 135 Rec fRec[N]; |
| 136 SkRect fTex[N]; | 136 SkRect fTex[N]; |
| 137 SkRect fBounds; | 137 SkRect fBounds; |
| 138 bool fUseColors; | 138 bool fUseColors; |
| 139 | 139 |
| 140 public: | 140 public: |
| 141 DrawAtlasDrawable(DrawAtlasProc proc, const SkRect& r) | 141 DrawAtlasDrawable(DrawAtlasProc proc, const SkRect& r) |
| 142 : fProc(proc), fBounds(r), fUseColors(false) | 142 : fProc(proc), fBounds(r), fUseColors(false) |
| 143 { | 143 { |
| 144 SkRandom rand; | 144 SkRandom rand; |
| 145 fAtlas.reset(make_atlas(kAtlasSize, kCellSize)); | 145 fAtlas = make_atlas(kAtlasSize, kCellSize); |
| 146 const SkScalar kMaxSpeed = 5; | 146 const SkScalar kMaxSpeed = 5; |
| 147 const SkScalar cell = SkIntToScalar(kCellSize); | 147 const SkScalar cell = SkIntToScalar(kCellSize); |
| 148 int i = 0; | 148 int i = 0; |
| 149 for (int y = 0; y < kAtlasSize; y += kCellSize) { | 149 for (int y = 0; y < kAtlasSize; y += kCellSize) { |
| 150 for (int x = 0; x < kAtlasSize; x += kCellSize) { | 150 for (int x = 0; x < kAtlasSize; x += kCellSize) { |
| 151 const SkScalar sx = SkIntToScalar(x); | 151 const SkScalar sx = SkIntToScalar(x); |
| 152 const SkScalar sy = SkIntToScalar(y); | 152 const SkScalar sy = SkIntToScalar(y); |
| 153 fTex[i].setXYWH(sx, sy, cell, cell); | 153 fTex[i].setXYWH(sx, sy, cell, cell); |
| 154 | 154 |
| 155 fRec[i].fCenter.set(sx + cell/2, sy + 3*cell/4); | 155 fRec[i].fCenter.set(sx + cell/2, sy + 3*cell/4); |
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| 180 xform[i] = fRec[i].asRSXform(); | 180 xform[i] = fRec[i].asRSXform(); |
| 181 if (fUseColors) { | 181 if (fUseColors) { |
| 182 colors[i] = SkColorSetARGB((int)(fRec[i].fAlpha * 0xFF), 0xFF, 0
xFF, 0xFF); | 182 colors[i] = SkColorSetARGB((int)(fRec[i].fAlpha * 0xFF), 0xFF, 0
xFF, 0xFF); |
| 183 } | 183 } |
| 184 } | 184 } |
| 185 SkPaint paint; | 185 SkPaint paint; |
| 186 paint.setFilterQuality(kLow_SkFilterQuality); | 186 paint.setFilterQuality(kLow_SkFilterQuality); |
| 187 | 187 |
| 188 const SkRect cull = this->getBounds(); | 188 const SkRect cull = this->getBounds(); |
| 189 const SkColor* colorsPtr = fUseColors ? colors : nullptr; | 189 const SkColor* colorsPtr = fUseColors ? colors : nullptr; |
| 190 fProc(canvas, fAtlas, xform, fTex, colorsPtr, N, &cull, &paint); | 190 fProc(canvas, fAtlas.get(), xform, fTex, colorsPtr, N, &cull, &paint); |
| 191 } | 191 } |
| 192 | 192 |
| 193 SkRect onGetBounds() override { | 193 SkRect onGetBounds() override { |
| 194 const SkScalar border = kMaxScale * kCellSize; | 194 const SkScalar border = kMaxScale * kCellSize; |
| 195 SkRect r = fBounds; | 195 SkRect r = fBounds; |
| 196 r.outset(border, border); | 196 r.outset(border, border); |
| 197 return r; | 197 return r; |
| 198 } | 198 } |
| 199 | 199 |
| 200 private: | 200 private: |
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| 245 #endif | 245 #endif |
| 246 | 246 |
| 247 private: | 247 private: |
| 248 typedef SampleView INHERITED; | 248 typedef SampleView INHERITED; |
| 249 }; | 249 }; |
| 250 | 250 |
| 251 ////////////////////////////////////////////////////////////////////////////// | 251 ////////////////////////////////////////////////////////////////////////////// |
| 252 | 252 |
| 253 DEF_SAMPLE( return new DrawAtlasView("DrawAtlas", draw_atlas); ) | 253 DEF_SAMPLE( return new DrawAtlasView("DrawAtlas", draw_atlas); ) |
| 254 DEF_SAMPLE( return new DrawAtlasView("DrawAtlasSim", draw_atlas_sim); ) | 254 DEF_SAMPLE( return new DrawAtlasView("DrawAtlasSim", draw_atlas_sim); ) |
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