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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "skia/ext/pixel_ref_utils.h" | 5 #include "skia/ext/pixel_ref_utils.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "third_party/skia/include/core/SkBitmapDevice.h" | 9 #include "third_party/skia/include/core/SkBitmapDevice.h" |
10 #include "third_party/skia/include/core/SkCanvas.h" | 10 #include "third_party/skia/include/core/SkCanvas.h" |
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44 private: | 44 private: |
45 std::vector<PixelRefUtils::PositionPixelRef>* pixel_refs_; | 45 std::vector<PixelRefUtils::PositionPixelRef>* pixel_refs_; |
46 }; | 46 }; |
47 | 47 |
48 class GatherPixelRefDevice : public SkBitmapDevice { | 48 class GatherPixelRefDevice : public SkBitmapDevice { |
49 public: | 49 public: |
50 GatherPixelRefDevice(const SkBitmap& bm, | 50 GatherPixelRefDevice(const SkBitmap& bm, |
51 DiscardablePixelRefSet* pixel_ref_set) | 51 DiscardablePixelRefSet* pixel_ref_set) |
52 : SkBitmapDevice(bm), pixel_ref_set_(pixel_ref_set) {} | 52 : SkBitmapDevice(bm), pixel_ref_set_(pixel_ref_set) {} |
53 | 53 |
54 virtual void clear(SkColor color) SK_OVERRIDE {} | 54 virtual void clear(SkColor color) override {} |
55 virtual void drawPaint(const SkDraw& draw, const SkPaint& paint) SK_OVERRIDE { | 55 virtual void drawPaint(const SkDraw& draw, const SkPaint& paint) override { |
56 SkBitmap bitmap; | 56 SkBitmap bitmap; |
57 if (GetBitmapFromPaint(paint, &bitmap)) { | 57 if (GetBitmapFromPaint(paint, &bitmap)) { |
58 SkRect clip_rect = SkRect::Make(draw.fRC->getBounds()); | 58 SkRect clip_rect = SkRect::Make(draw.fRC->getBounds()); |
59 AddBitmap(bitmap, clip_rect); | 59 AddBitmap(bitmap, clip_rect); |
60 } | 60 } |
61 } | 61 } |
62 | 62 |
63 virtual void drawPoints(const SkDraw& draw, | 63 virtual void drawPoints(const SkDraw& draw, |
64 SkCanvas::PointMode mode, | 64 SkCanvas::PointMode mode, |
65 size_t count, | 65 size_t count, |
66 const SkPoint points[], | 66 const SkPoint points[], |
67 const SkPaint& paint) SK_OVERRIDE { | 67 const SkPaint& paint) override { |
68 SkBitmap bitmap; | 68 SkBitmap bitmap; |
69 if (!GetBitmapFromPaint(paint, &bitmap)) | 69 if (!GetBitmapFromPaint(paint, &bitmap)) |
70 return; | 70 return; |
71 | 71 |
72 if (count == 0) | 72 if (count == 0) |
73 return; | 73 return; |
74 | 74 |
75 SkPoint min_point = points[0]; | 75 SkPoint min_point = points[0]; |
76 SkPoint max_point = points[0]; | 76 SkPoint max_point = points[0]; |
77 for (size_t i = 1; i < count; ++i) { | 77 for (size_t i = 1; i < count; ++i) { |
78 const SkPoint& point = points[i]; | 78 const SkPoint& point = points[i]; |
79 min_point.set(std::min(min_point.x(), point.x()), | 79 min_point.set(std::min(min_point.x(), point.x()), |
80 std::min(min_point.y(), point.y())); | 80 std::min(min_point.y(), point.y())); |
81 max_point.set(std::max(max_point.x(), point.x()), | 81 max_point.set(std::max(max_point.x(), point.x()), |
82 std::max(max_point.y(), point.y())); | 82 std::max(max_point.y(), point.y())); |
83 } | 83 } |
84 | 84 |
85 SkRect bounds = SkRect::MakeLTRB( | 85 SkRect bounds = SkRect::MakeLTRB( |
86 min_point.x(), min_point.y(), max_point.x(), max_point.y()); | 86 min_point.x(), min_point.y(), max_point.x(), max_point.y()); |
87 | 87 |
88 GatherPixelRefDevice::drawRect(draw, bounds, paint); | 88 GatherPixelRefDevice::drawRect(draw, bounds, paint); |
89 } | 89 } |
90 virtual void drawRect(const SkDraw& draw, | 90 virtual void drawRect(const SkDraw& draw, |
91 const SkRect& rect, | 91 const SkRect& rect, |
92 const SkPaint& paint) SK_OVERRIDE { | 92 const SkPaint& paint) override { |
93 SkBitmap bitmap; | 93 SkBitmap bitmap; |
94 if (GetBitmapFromPaint(paint, &bitmap)) { | 94 if (GetBitmapFromPaint(paint, &bitmap)) { |
95 SkRect mapped_rect; | 95 SkRect mapped_rect; |
96 draw.fMatrix->mapRect(&mapped_rect, rect); | 96 draw.fMatrix->mapRect(&mapped_rect, rect); |
97 mapped_rect.intersect(SkRect::Make(draw.fRC->getBounds())); | 97 mapped_rect.intersect(SkRect::Make(draw.fRC->getBounds())); |
98 AddBitmap(bitmap, mapped_rect); | 98 AddBitmap(bitmap, mapped_rect); |
99 } | 99 } |
100 } | 100 } |
101 virtual void drawOval(const SkDraw& draw, | 101 virtual void drawOval(const SkDraw& draw, |
102 const SkRect& rect, | 102 const SkRect& rect, |
103 const SkPaint& paint) SK_OVERRIDE { | 103 const SkPaint& paint) override { |
104 GatherPixelRefDevice::drawRect(draw, rect, paint); | 104 GatherPixelRefDevice::drawRect(draw, rect, paint); |
105 } | 105 } |
106 virtual void drawRRect(const SkDraw& draw, | 106 virtual void drawRRect(const SkDraw& draw, |
107 const SkRRect& rect, | 107 const SkRRect& rect, |
108 const SkPaint& paint) SK_OVERRIDE { | 108 const SkPaint& paint) override { |
109 GatherPixelRefDevice::drawRect(draw, rect.rect(), paint); | 109 GatherPixelRefDevice::drawRect(draw, rect.rect(), paint); |
110 } | 110 } |
111 virtual void drawPath(const SkDraw& draw, | 111 virtual void drawPath(const SkDraw& draw, |
112 const SkPath& path, | 112 const SkPath& path, |
113 const SkPaint& paint, | 113 const SkPaint& paint, |
114 const SkMatrix* pre_path_matrix, | 114 const SkMatrix* pre_path_matrix, |
115 bool path_is_mutable) SK_OVERRIDE { | 115 bool path_is_mutable) override { |
116 SkBitmap bitmap; | 116 SkBitmap bitmap; |
117 if (!GetBitmapFromPaint(paint, &bitmap)) | 117 if (!GetBitmapFromPaint(paint, &bitmap)) |
118 return; | 118 return; |
119 | 119 |
120 SkRect path_bounds = path.getBounds(); | 120 SkRect path_bounds = path.getBounds(); |
121 SkRect final_rect; | 121 SkRect final_rect; |
122 if (pre_path_matrix != NULL) | 122 if (pre_path_matrix != NULL) |
123 pre_path_matrix->mapRect(&final_rect, path_bounds); | 123 pre_path_matrix->mapRect(&final_rect, path_bounds); |
124 else | 124 else |
125 final_rect = path_bounds; | 125 final_rect = path_bounds; |
126 | 126 |
127 GatherPixelRefDevice::drawRect(draw, final_rect, paint); | 127 GatherPixelRefDevice::drawRect(draw, final_rect, paint); |
128 } | 128 } |
129 virtual void drawBitmap(const SkDraw& draw, | 129 virtual void drawBitmap(const SkDraw& draw, |
130 const SkBitmap& bitmap, | 130 const SkBitmap& bitmap, |
131 const SkMatrix& matrix, | 131 const SkMatrix& matrix, |
132 const SkPaint& paint) SK_OVERRIDE { | 132 const SkPaint& paint) override { |
133 SkMatrix total_matrix; | 133 SkMatrix total_matrix; |
134 total_matrix.setConcat(*draw.fMatrix, matrix); | 134 total_matrix.setConcat(*draw.fMatrix, matrix); |
135 | 135 |
136 SkRect bitmap_rect = SkRect::MakeWH(bitmap.width(), bitmap.height()); | 136 SkRect bitmap_rect = SkRect::MakeWH(bitmap.width(), bitmap.height()); |
137 SkRect mapped_rect; | 137 SkRect mapped_rect; |
138 total_matrix.mapRect(&mapped_rect, bitmap_rect); | 138 total_matrix.mapRect(&mapped_rect, bitmap_rect); |
139 AddBitmap(bitmap, mapped_rect); | 139 AddBitmap(bitmap, mapped_rect); |
140 | 140 |
141 SkBitmap paint_bitmap; | 141 SkBitmap paint_bitmap; |
142 if (GetBitmapFromPaint(paint, &paint_bitmap)) | 142 if (GetBitmapFromPaint(paint, &paint_bitmap)) |
143 AddBitmap(paint_bitmap, mapped_rect); | 143 AddBitmap(paint_bitmap, mapped_rect); |
144 } | 144 } |
145 virtual void drawBitmapRect(const SkDraw& draw, | 145 virtual void drawBitmapRect(const SkDraw& draw, |
146 const SkBitmap& bitmap, | 146 const SkBitmap& bitmap, |
147 const SkRect* src_or_null, | 147 const SkRect* src_or_null, |
148 const SkRect& dst, | 148 const SkRect& dst, |
149 const SkPaint& paint, | 149 const SkPaint& paint, |
150 SkCanvas::DrawBitmapRectFlags flags) SK_OVERRIDE { | 150 SkCanvas::DrawBitmapRectFlags flags) override { |
151 SkRect bitmap_rect = SkRect::MakeWH(bitmap.width(), bitmap.height()); | 151 SkRect bitmap_rect = SkRect::MakeWH(bitmap.width(), bitmap.height()); |
152 SkMatrix matrix; | 152 SkMatrix matrix; |
153 matrix.setRectToRect(bitmap_rect, dst, SkMatrix::kFill_ScaleToFit); | 153 matrix.setRectToRect(bitmap_rect, dst, SkMatrix::kFill_ScaleToFit); |
154 GatherPixelRefDevice::drawBitmap(draw, bitmap, matrix, paint); | 154 GatherPixelRefDevice::drawBitmap(draw, bitmap, matrix, paint); |
155 } | 155 } |
156 virtual void drawSprite(const SkDraw& draw, | 156 virtual void drawSprite(const SkDraw& draw, |
157 const SkBitmap& bitmap, | 157 const SkBitmap& bitmap, |
158 int x, | 158 int x, |
159 int y, | 159 int y, |
160 const SkPaint& paint) SK_OVERRIDE { | 160 const SkPaint& paint) override { |
161 // Sprites aren't affected by current matrix, so we can't reuse drawRect. | 161 // Sprites aren't affected by current matrix, so we can't reuse drawRect. |
162 SkMatrix matrix; | 162 SkMatrix matrix; |
163 matrix.setTranslate(x, y); | 163 matrix.setTranslate(x, y); |
164 | 164 |
165 SkRect bitmap_rect = SkRect::MakeWH(bitmap.width(), bitmap.height()); | 165 SkRect bitmap_rect = SkRect::MakeWH(bitmap.width(), bitmap.height()); |
166 SkRect mapped_rect; | 166 SkRect mapped_rect; |
167 matrix.mapRect(&mapped_rect, bitmap_rect); | 167 matrix.mapRect(&mapped_rect, bitmap_rect); |
168 | 168 |
169 AddBitmap(bitmap, mapped_rect); | 169 AddBitmap(bitmap, mapped_rect); |
170 SkBitmap paint_bitmap; | 170 SkBitmap paint_bitmap; |
171 if (GetBitmapFromPaint(paint, &paint_bitmap)) | 171 if (GetBitmapFromPaint(paint, &paint_bitmap)) |
172 AddBitmap(paint_bitmap, mapped_rect); | 172 AddBitmap(paint_bitmap, mapped_rect); |
173 } | 173 } |
174 virtual void drawText(const SkDraw& draw, | 174 virtual void drawText(const SkDraw& draw, |
175 const void* text, | 175 const void* text, |
176 size_t len, | 176 size_t len, |
177 SkScalar x, | 177 SkScalar x, |
178 SkScalar y, | 178 SkScalar y, |
179 const SkPaint& paint) SK_OVERRIDE { | 179 const SkPaint& paint) override { |
180 SkBitmap bitmap; | 180 SkBitmap bitmap; |
181 if (!GetBitmapFromPaint(paint, &bitmap)) | 181 if (!GetBitmapFromPaint(paint, &bitmap)) |
182 return; | 182 return; |
183 | 183 |
184 // Math is borrowed from SkBBoxRecord | 184 // Math is borrowed from SkBBoxRecord |
185 SkRect bounds; | 185 SkRect bounds; |
186 paint.measureText(text, len, &bounds); | 186 paint.measureText(text, len, &bounds); |
187 SkPaint::FontMetrics metrics; | 187 SkPaint::FontMetrics metrics; |
188 paint.getFontMetrics(&metrics); | 188 paint.getFontMetrics(&metrics); |
189 | 189 |
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217 bounds.fBottom += y; | 217 bounds.fBottom += y; |
218 | 218 |
219 GatherPixelRefDevice::drawRect(draw, bounds, paint); | 219 GatherPixelRefDevice::drawRect(draw, bounds, paint); |
220 } | 220 } |
221 virtual void drawPosText(const SkDraw& draw, | 221 virtual void drawPosText(const SkDraw& draw, |
222 const void* text, | 222 const void* text, |
223 size_t len, | 223 size_t len, |
224 const SkScalar pos[], | 224 const SkScalar pos[], |
225 int scalars_per_pos, | 225 int scalars_per_pos, |
226 const SkPoint& offset, | 226 const SkPoint& offset, |
227 const SkPaint& paint) SK_OVERRIDE { | 227 const SkPaint& paint) override { |
228 SkBitmap bitmap; | 228 SkBitmap bitmap; |
229 if (!GetBitmapFromPaint(paint, &bitmap)) | 229 if (!GetBitmapFromPaint(paint, &bitmap)) |
230 return; | 230 return; |
231 | 231 |
232 if (len == 0) | 232 if (len == 0) |
233 return; | 233 return; |
234 | 234 |
235 // Similar to SkDraw asserts. | 235 // Similar to SkDraw asserts. |
236 SkASSERT(scalars_per_pos == 1 || scalars_per_pos == 2); | 236 SkASSERT(scalars_per_pos == 1 || scalars_per_pos == 2); |
237 | 237 |
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261 bounds.fLeft += pad; | 261 bounds.fLeft += pad; |
262 bounds.fRight -= pad; | 262 bounds.fRight -= pad; |
263 | 263 |
264 GatherPixelRefDevice::drawRect(draw, bounds, paint); | 264 GatherPixelRefDevice::drawRect(draw, bounds, paint); |
265 } | 265 } |
266 virtual void drawTextOnPath(const SkDraw& draw, | 266 virtual void drawTextOnPath(const SkDraw& draw, |
267 const void* text, | 267 const void* text, |
268 size_t len, | 268 size_t len, |
269 const SkPath& path, | 269 const SkPath& path, |
270 const SkMatrix* matrix, | 270 const SkMatrix* matrix, |
271 const SkPaint& paint) SK_OVERRIDE { | 271 const SkPaint& paint) override { |
272 SkBitmap bitmap; | 272 SkBitmap bitmap; |
273 if (!GetBitmapFromPaint(paint, &bitmap)) | 273 if (!GetBitmapFromPaint(paint, &bitmap)) |
274 return; | 274 return; |
275 | 275 |
276 // Math is borrowed from SkBBoxRecord | 276 // Math is borrowed from SkBBoxRecord |
277 SkRect bounds = path.getBounds(); | 277 SkRect bounds = path.getBounds(); |
278 SkPaint::FontMetrics metrics; | 278 SkPaint::FontMetrics metrics; |
279 paint.getFontMetrics(&metrics); | 279 paint.getFontMetrics(&metrics); |
280 | 280 |
281 SkScalar pad = metrics.fTop; | 281 SkScalar pad = metrics.fTop; |
282 bounds.fLeft += pad; | 282 bounds.fLeft += pad; |
283 bounds.fRight -= pad; | 283 bounds.fRight -= pad; |
284 bounds.fTop += pad; | 284 bounds.fTop += pad; |
285 bounds.fBottom -= pad; | 285 bounds.fBottom -= pad; |
286 | 286 |
287 GatherPixelRefDevice::drawRect(draw, bounds, paint); | 287 GatherPixelRefDevice::drawRect(draw, bounds, paint); |
288 } | 288 } |
289 virtual void drawVertices(const SkDraw& draw, | 289 virtual void drawVertices(const SkDraw& draw, |
290 SkCanvas::VertexMode, | 290 SkCanvas::VertexMode, |
291 int vertex_count, | 291 int vertex_count, |
292 const SkPoint verts[], | 292 const SkPoint verts[], |
293 const SkPoint texs[], | 293 const SkPoint texs[], |
294 const SkColor colors[], | 294 const SkColor colors[], |
295 SkXfermode* xmode, | 295 SkXfermode* xmode, |
296 const uint16_t indices[], | 296 const uint16_t indices[], |
297 int index_count, | 297 int index_count, |
298 const SkPaint& paint) SK_OVERRIDE { | 298 const SkPaint& paint) override { |
299 GatherPixelRefDevice::drawPoints( | 299 GatherPixelRefDevice::drawPoints( |
300 draw, SkCanvas::kPolygon_PointMode, vertex_count, verts, paint); | 300 draw, SkCanvas::kPolygon_PointMode, vertex_count, verts, paint); |
301 } | 301 } |
302 virtual void drawDevice(const SkDraw&, | 302 virtual void drawDevice(const SkDraw&, |
303 SkBaseDevice*, | 303 SkBaseDevice*, |
304 int x, | 304 int x, |
305 int y, | 305 int y, |
306 const SkPaint&) SK_OVERRIDE {} | 306 const SkPaint&) override {} |
307 | 307 |
308 protected: | 308 protected: |
309 virtual bool onReadPixels(const SkImageInfo& info, | 309 virtual bool onReadPixels(const SkImageInfo& info, |
310 void* pixels, | 310 void* pixels, |
311 size_t rowBytes, | 311 size_t rowBytes, |
312 int x, | 312 int x, |
313 int y) SK_OVERRIDE { | 313 int y) override { |
314 return false; | 314 return false; |
315 } | 315 } |
316 | 316 |
317 virtual bool onWritePixels(const SkImageInfo& info, | 317 virtual bool onWritePixels(const SkImageInfo& info, |
318 const void* pixels, | 318 const void* pixels, |
319 size_t rowBytes, | 319 size_t rowBytes, |
320 int x, | 320 int x, |
321 int y) SK_OVERRIDE { | 321 int y) override { |
322 return false; | 322 return false; |
323 } | 323 } |
324 | 324 |
325 private: | 325 private: |
326 DiscardablePixelRefSet* pixel_ref_set_; | 326 DiscardablePixelRefSet* pixel_ref_set_; |
327 | 327 |
328 void AddBitmap(const SkBitmap& bm, const SkRect& rect) { | 328 void AddBitmap(const SkBitmap& bm, const SkRect& rect) { |
329 SkRect canvas_rect = SkRect::MakeWH(width(), height()); | 329 SkRect canvas_rect = SkRect::MakeWH(width(), height()); |
330 SkRect paint_rect = SkRect::MakeEmpty(); | 330 SkRect paint_rect = SkRect::MakeEmpty(); |
331 paint_rect.intersect(rect, canvas_rect); | 331 paint_rect.intersect(rect, canvas_rect); |
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358 GatherPixelRefDevice device(empty_bitmap, &pixel_ref_set); | 358 GatherPixelRefDevice device(empty_bitmap, &pixel_ref_set); |
359 SkNoSaveLayerCanvas canvas(&device); | 359 SkNoSaveLayerCanvas canvas(&device); |
360 | 360 |
361 canvas.clipRect(SkRect::MakeWH(picture->width(), picture->height()), | 361 canvas.clipRect(SkRect::MakeWH(picture->width(), picture->height()), |
362 SkRegion::kIntersect_Op, | 362 SkRegion::kIntersect_Op, |
363 false); | 363 false); |
364 canvas.drawPicture(picture); | 364 canvas.drawPicture(picture); |
365 } | 365 } |
366 | 366 |
367 } // namespace skia | 367 } // namespace skia |
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