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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkBitmapDevice.h" | 8 #include "SkBitmapDevice.h" |
9 #include "SkConfig8888.h" | 9 #include "SkConfig8888.h" |
10 #include "SkDraw.h" | 10 #include "SkDraw.h" |
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60 | 60 |
61 if (newAlphaType) { | 61 if (newAlphaType) { |
62 *newAlphaType = canonicalAlphaType; | 62 *newAlphaType = canonicalAlphaType; |
63 } | 63 } |
64 return true; | 64 return true; |
65 } | 65 } |
66 | 66 |
67 SkBitmapDevice::SkBitmapDevice(const SkBitmap& bitmap) | 67 SkBitmapDevice::SkBitmapDevice(const SkBitmap& bitmap) |
68 : INHERITED(SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType)) | 68 : INHERITED(SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType)) |
69 , fBitmap(bitmap) { | 69 , fBitmap(bitmap) { |
70 SkASSERT(valid_for_bitmap_device(bitmap.info(), NULL)); | 70 SkASSERT(valid_for_bitmap_device(bitmap.info(), nullptr)); |
71 } | 71 } |
72 | 72 |
73 SkBitmapDevice* SkBitmapDevice::Create(const SkImageInfo& info) { | 73 SkBitmapDevice* SkBitmapDevice::Create(const SkImageInfo& info) { |
74 return Create(info, SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType)
); | 74 return Create(info, SkSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType)
); |
75 } | 75 } |
76 | 76 |
77 SkBitmapDevice::SkBitmapDevice(const SkBitmap& bitmap, const SkSurfaceProps& sur
faceProps) | 77 SkBitmapDevice::SkBitmapDevice(const SkBitmap& bitmap, const SkSurfaceProps& sur
faceProps) |
78 : INHERITED(surfaceProps) | 78 : INHERITED(surfaceProps) |
79 , fBitmap(bitmap) { | 79 , fBitmap(bitmap) { |
80 SkASSERT(valid_for_bitmap_device(bitmap.info(), NULL)); | 80 SkASSERT(valid_for_bitmap_device(bitmap.info(), nullptr)); |
81 } | 81 } |
82 | 82 |
83 SkBitmapDevice* SkBitmapDevice::Create(const SkImageInfo& origInfo, | 83 SkBitmapDevice* SkBitmapDevice::Create(const SkImageInfo& origInfo, |
84 const SkSurfaceProps& surfaceProps) { | 84 const SkSurfaceProps& surfaceProps) { |
85 SkAlphaType newAT = origInfo.alphaType(); | 85 SkAlphaType newAT = origInfo.alphaType(); |
86 if (!valid_for_bitmap_device(origInfo, &newAT)) { | 86 if (!valid_for_bitmap_device(origInfo, &newAT)) { |
87 return NULL; | 87 return nullptr; |
88 } | 88 } |
89 | 89 |
90 const SkImageInfo info = origInfo.makeAlphaType(newAT); | 90 const SkImageInfo info = origInfo.makeAlphaType(newAT); |
91 SkBitmap bitmap; | 91 SkBitmap bitmap; |
92 | 92 |
93 if (kUnknown_SkColorType == info.colorType()) { | 93 if (kUnknown_SkColorType == info.colorType()) { |
94 if (!bitmap.setInfo(info)) { | 94 if (!bitmap.setInfo(info)) { |
95 return NULL; | 95 return nullptr; |
96 } | 96 } |
97 } else { | 97 } else { |
98 if (!bitmap.tryAllocPixels(info)) { | 98 if (!bitmap.tryAllocPixels(info)) { |
99 return NULL; | 99 return nullptr; |
100 } | 100 } |
101 if (!bitmap.info().isOpaque()) { | 101 if (!bitmap.info().isOpaque()) { |
102 bitmap.eraseColor(SK_ColorTRANSPARENT); | 102 bitmap.eraseColor(SK_ColorTRANSPARENT); |
103 } | 103 } |
104 } | 104 } |
105 | 105 |
106 return new SkBitmapDevice(bitmap, surfaceProps); | 106 return new SkBitmapDevice(bitmap, surfaceProps); |
107 } | 107 } |
108 | 108 |
109 SkImageInfo SkBitmapDevice::imageInfo() const { | 109 SkImageInfo SkBitmapDevice::imageInfo() const { |
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135 if (fBitmap.lockPixelsAreWritable() && this->onPeekPixels(pmap)) { | 135 if (fBitmap.lockPixelsAreWritable() && this->onPeekPixels(pmap)) { |
136 fBitmap.notifyPixelsChanged(); | 136 fBitmap.notifyPixelsChanged(); |
137 return true; | 137 return true; |
138 } | 138 } |
139 return false; | 139 return false; |
140 } | 140 } |
141 | 141 |
142 bool SkBitmapDevice::onPeekPixels(SkPixmap* pmap) { | 142 bool SkBitmapDevice::onPeekPixels(SkPixmap* pmap) { |
143 const SkImageInfo info = fBitmap.info(); | 143 const SkImageInfo info = fBitmap.info(); |
144 if (fBitmap.getPixels() && (kUnknown_SkColorType != info.colorType())) { | 144 if (fBitmap.getPixels() && (kUnknown_SkColorType != info.colorType())) { |
145 SkColorTable* ctable = NULL; | 145 SkColorTable* ctable = nullptr; |
146 pmap->reset(fBitmap.info(), fBitmap.getPixels(), fBitmap.rowBytes(), cta
ble); | 146 pmap->reset(fBitmap.info(), fBitmap.getPixels(), fBitmap.rowBytes(), cta
ble); |
147 return true; | 147 return true; |
148 } | 148 } |
149 return false; | 149 return false; |
150 } | 150 } |
151 | 151 |
152 bool SkBitmapDevice::onWritePixels(const SkImageInfo& srcInfo, const void* srcPi
xels, | 152 bool SkBitmapDevice::onWritePixels(const SkImageInfo& srcInfo, const void* srcPi
xels, |
153 size_t srcRowBytes, int x, int y) { | 153 size_t srcRowBytes, int x, int y) { |
154 // since we don't stop creating un-pixeled devices yet, check for no pixels
here | 154 // since we don't stop creating un-pixeled devices yet, check for no pixels
here |
155 if (NULL == fBitmap.getPixels()) { | 155 if (nullptr == fBitmap.getPixels()) { |
156 return false; | 156 return false; |
157 } | 157 } |
158 | 158 |
159 const SkImageInfo dstInfo = fBitmap.info().makeWH(srcInfo.width(), srcInfo.h
eight()); | 159 const SkImageInfo dstInfo = fBitmap.info().makeWH(srcInfo.width(), srcInfo.h
eight()); |
160 | 160 |
161 void* dstPixels = fBitmap.getAddr(x, y); | 161 void* dstPixels = fBitmap.getAddr(x, y); |
162 size_t dstRowBytes = fBitmap.rowBytes(); | 162 size_t dstRowBytes = fBitmap.rowBytes(); |
163 | 163 |
164 if (SkPixelInfo::CopyPixels(dstInfo, dstPixels, dstRowBytes, srcInfo, srcPix
els, srcRowBytes)) { | 164 if (SkPixelInfo::CopyPixels(dstInfo, dstPixels, dstRowBytes, srcInfo, srcPix
els, srcRowBytes)) { |
165 fBitmap.notifyPixelsChanged(); | 165 fBitmap.notifyPixelsChanged(); |
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204 draw.drawRect(r, paint); | 204 draw.drawRect(r, paint); |
205 } | 205 } |
206 | 206 |
207 void SkBitmapDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPa
int& paint) { | 207 void SkBitmapDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPa
int& paint) { |
208 CHECK_FOR_ANNOTATION(paint); | 208 CHECK_FOR_ANNOTATION(paint); |
209 | 209 |
210 SkPath path; | 210 SkPath path; |
211 path.addOval(oval); | 211 path.addOval(oval); |
212 // call the VIRTUAL version, so any subclasses who do handle drawPath aren't | 212 // call the VIRTUAL version, so any subclasses who do handle drawPath aren't |
213 // required to override drawOval. | 213 // required to override drawOval. |
214 this->drawPath(draw, path, paint, NULL, true); | 214 this->drawPath(draw, path, paint, nullptr, true); |
215 } | 215 } |
216 | 216 |
217 void SkBitmapDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect, const S
kPaint& paint) { | 217 void SkBitmapDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect, const S
kPaint& paint) { |
218 CHECK_FOR_ANNOTATION(paint); | 218 CHECK_FOR_ANNOTATION(paint); |
219 | 219 |
220 #ifdef SK_IGNORE_BLURRED_RRECT_OPT | 220 #ifdef SK_IGNORE_BLURRED_RRECT_OPT |
221 SkPath path; | 221 SkPath path; |
222 | 222 |
223 path.addRRect(rrect); | 223 path.addRRect(rrect); |
224 // call the VIRTUAL version, so any subclasses who do handle drawPath aren't | 224 // call the VIRTUAL version, so any subclasses who do handle drawPath aren't |
225 // required to override drawRRect. | 225 // required to override drawRRect. |
226 this->drawPath(draw, path, paint, NULL, true); | 226 this->drawPath(draw, path, paint, nullptr, true); |
227 #else | 227 #else |
228 draw.drawRRect(rrect, paint); | 228 draw.drawRRect(rrect, paint); |
229 #endif | 229 #endif |
230 } | 230 } |
231 | 231 |
232 void SkBitmapDevice::drawPath(const SkDraw& draw, const SkPath& path, | 232 void SkBitmapDevice::drawPath(const SkDraw& draw, const SkPath& path, |
233 const SkPaint& paint, const SkMatrix* prePathMatri
x, | 233 const SkPaint& paint, const SkMatrix* prePathMatri
x, |
234 bool pathIsMutable) { | 234 bool pathIsMutable) { |
235 CHECK_FOR_ANNOTATION(paint); | 235 CHECK_FOR_ANNOTATION(paint); |
236 draw.drawPath(path, paint, prePathMatrix, pathIsMutable); | 236 draw.drawPath(path, paint, prePathMatrix, pathIsMutable); |
237 } | 237 } |
238 | 238 |
239 void SkBitmapDevice::drawBitmap(const SkDraw& draw, const SkBitmap& bitmap, | 239 void SkBitmapDevice::drawBitmap(const SkDraw& draw, const SkBitmap& bitmap, |
240 const SkMatrix& matrix, const SkPaint& paint) { | 240 const SkMatrix& matrix, const SkPaint& paint) { |
241 draw.drawBitmap(bitmap, matrix, NULL, paint); | 241 draw.drawBitmap(bitmap, matrix, nullptr, paint); |
242 } | 242 } |
243 | 243 |
244 void SkBitmapDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap, | 244 void SkBitmapDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap, |
245 const SkRect* src, const SkRect& dst, | 245 const SkRect* src, const SkRect& dst, |
246 const SkPaint& paint, SkCanvas::SrcRectConst
raint constraint) { | 246 const SkPaint& paint, SkCanvas::SrcRectConst
raint constraint) { |
247 SkMatrix matrix; | 247 SkMatrix matrix; |
248 SkRect bitmapBounds, tmpSrc, tmpDst; | 248 SkRect bitmapBounds, tmpSrc, tmpDst; |
249 SkBitmap tmpBitmap; | 249 SkBitmap tmpBitmap; |
250 | 250 |
251 bitmapBounds.isetWH(bitmap.width(), bitmap.height()); | 251 bitmapBounds.isetWH(bitmap.width(), bitmap.height()); |
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312 // it will make a shader and call drawRect, as we do below. | 312 // it will make a shader and call drawRect, as we do below. |
313 draw.drawBitmap(*bitmapPtr, matrix, dstPtr, paint); | 313 draw.drawBitmap(*bitmapPtr, matrix, dstPtr, paint); |
314 return; | 314 return; |
315 } | 315 } |
316 | 316 |
317 // construct a shader, so we can call drawRect with the dst | 317 // construct a shader, so we can call drawRect with the dst |
318 SkShader* s = SkShader::CreateBitmapShader(*bitmapPtr, | 318 SkShader* s = SkShader::CreateBitmapShader(*bitmapPtr, |
319 SkShader::kClamp_TileMode, | 319 SkShader::kClamp_TileMode, |
320 SkShader::kClamp_TileMode, | 320 SkShader::kClamp_TileMode, |
321 &matrix); | 321 &matrix); |
322 if (NULL == s) { | 322 if (nullptr == s) { |
323 return; | 323 return; |
324 } | 324 } |
325 | 325 |
326 SkPaint paintWithShader(paint); | 326 SkPaint paintWithShader(paint); |
327 paintWithShader.setStyle(SkPaint::kFill_Style); | 327 paintWithShader.setStyle(SkPaint::kFill_Style); |
328 paintWithShader.setShader(s)->unref(); | 328 paintWithShader.setShader(s)->unref(); |
329 | 329 |
330 // Call ourself, in case the subclass wanted to share this setup code | 330 // Call ourself, in case the subclass wanted to share this setup code |
331 // but handle the drawRect code themselves. | 331 // but handle the drawRect code themselves. |
332 this->drawRect(draw, *dstPtr, paintWithShader); | 332 this->drawRect(draw, *dstPtr, paintWithShader); |
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380 paint.getRasterizer() || | 380 paint.getRasterizer() || |
381 paint.getPathEffect() || | 381 paint.getPathEffect() || |
382 paint.isFakeBoldText() || | 382 paint.isFakeBoldText() || |
383 paint.getStyle() != SkPaint::kFill_Style || | 383 paint.getStyle() != SkPaint::kFill_Style || |
384 !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)) | 384 !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)) |
385 { | 385 { |
386 return true; | 386 return true; |
387 } | 387 } |
388 return false; | 388 return false; |
389 } | 389 } |
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