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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 "GrBitmapTextContext.h" | 8 #include "GrBitmapTextContext.h" |
9 #include "GrAtlas.h" | 9 #include "GrAtlas.h" |
10 #include "GrDefaultGeoProcFactory.h" | 10 #include "GrDefaultGeoProcFactory.h" |
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164 } | 164 } |
165 | 165 |
166 while (text < stop) { | 166 while (text < stop) { |
167 const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fy
Mask); | 167 const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fy
Mask); |
168 | 168 |
169 fx += autokern.adjust(glyph); | 169 fx += autokern.adjust(glyph); |
170 | 170 |
171 if (glyph.fWidth) { | 171 if (glyph.fWidth) { |
172 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 172 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
173 glyph.getSubXFixed(), | 173 glyph.getSubXFixed(), |
174 glyph.getSubYFixed(), | 174 glyph.getSubYFixed()), |
175 GrGlyph::kCoverage_MaskStyle), | |
176 Sk48Dot16FloorToInt(fx), | 175 Sk48Dot16FloorToInt(fx), |
177 Sk48Dot16FloorToInt(fy), | 176 Sk48Dot16FloorToInt(fy), |
178 fontScaler); | 177 fontScaler); |
179 } | 178 } |
180 | 179 |
181 fx += glyph.fAdvanceX; | 180 fx += glyph.fAdvanceX; |
182 fy += glyph.fAdvanceY; | 181 fy += glyph.fAdvanceY; |
183 } | 182 } |
184 | 183 |
185 this->finish(); | 184 this->finish(); |
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242 tmsProc(pos, &tmsLoc); | 241 tmsProc(pos, &tmsLoc); |
243 Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + halfSampleX); | 242 Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + halfSampleX); |
244 Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + halfSampleY); | 243 Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + halfSampleY); |
245 | 244 |
246 const SkGlyph& glyph = glyphCacheProc(cache, &text, | 245 const SkGlyph& glyph = glyphCacheProc(cache, &text, |
247 fx & fxMask, fy & fyMask); | 246 fx & fxMask, fy & fyMask); |
248 | 247 |
249 if (glyph.fWidth) { | 248 if (glyph.fWidth) { |
250 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 249 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
251 glyph.getSubXFixed(), | 250 glyph.getSubXFixed(), |
252 glyph.getSubYFixed(), | 251 glyph.getSubYFixed()), |
253 GrGlyph::kCoverage_MaskStyle
), | |
254 Sk48Dot16FloorToInt(fx), | 252 Sk48Dot16FloorToInt(fx), |
255 Sk48Dot16FloorToInt(fy), | 253 Sk48Dot16FloorToInt(fy), |
256 fontScaler); | 254 fontScaler); |
257 } | 255 } |
258 pos += scalarsPerPosition; | 256 pos += scalarsPerPosition; |
259 } | 257 } |
260 } else { | 258 } else { |
261 while (text < stop) { | 259 while (text < stop) { |
262 const char* currentText = text; | 260 const char* currentText = text; |
263 const SkGlyph& metricGlyph = glyphCacheProc(cache, &text, 0, 0); | 261 const SkGlyph& metricGlyph = glyphCacheProc(cache, &text, 0, 0); |
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276 // have to call again, now that we've been "aligned" | 274 // have to call again, now that we've been "aligned" |
277 const SkGlyph& glyph = glyphCacheProc(cache, ¤tText, | 275 const SkGlyph& glyph = glyphCacheProc(cache, ¤tText, |
278 fx & fxMask, fy & fyMa
sk); | 276 fx & fxMask, fy & fyMa
sk); |
279 // the assumption is that the metrics haven't changed | 277 // the assumption is that the metrics haven't changed |
280 SkASSERT(prevAdvX == glyph.fAdvanceX); | 278 SkASSERT(prevAdvX == glyph.fAdvanceX); |
281 SkASSERT(prevAdvY == glyph.fAdvanceY); | 279 SkASSERT(prevAdvY == glyph.fAdvanceY); |
282 SkASSERT(glyph.fWidth); | 280 SkASSERT(glyph.fWidth); |
283 | 281 |
284 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 282 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
285 glyph.getSubXFixed(), | 283 glyph.getSubXFixed(), |
286 glyph.getSubYFixed(), | 284 glyph.getSubYFixed()), |
287 GrGlyph::kCoverage_MaskStyle
), | |
288 Sk48Dot16FloorToInt(fx), | 285 Sk48Dot16FloorToInt(fx), |
289 Sk48Dot16FloorToInt(fy), | 286 Sk48Dot16FloorToInt(fy), |
290 fontScaler); | 287 fontScaler); |
291 } | 288 } |
292 pos += scalarsPerPosition; | 289 pos += scalarsPerPosition; |
293 } | 290 } |
294 } | 291 } |
295 } else { // not subpixel | 292 } else { // not subpixel |
296 | 293 |
297 if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) { | 294 if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) { |
298 while (text < stop) { | 295 while (text < stop) { |
299 // the last 2 parameters are ignored | 296 // the last 2 parameters are ignored |
300 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); | 297 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); |
301 | 298 |
302 if (glyph.fWidth) { | 299 if (glyph.fWidth) { |
303 SkPoint tmsLoc; | 300 SkPoint tmsLoc; |
304 tmsProc(pos, &tmsLoc); | 301 tmsProc(pos, &tmsLoc); |
305 | 302 |
306 Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + SK_ScalarHalf);
//halfSampleX; | 303 Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + SK_ScalarHalf);
//halfSampleX; |
307 Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + SK_ScalarHalf);
//halfSampleY; | 304 Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + SK_ScalarHalf);
//halfSampleY; |
308 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 305 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
309 glyph.getSubXFixed(), | 306 glyph.getSubXFixed(), |
310 glyph.getSubYFixed(), | 307 glyph.getSubYFixed()), |
311 GrGlyph::kCoverage_MaskStyle
), | |
312 Sk48Dot16FloorToInt(fx), | 308 Sk48Dot16FloorToInt(fx), |
313 Sk48Dot16FloorToInt(fy), | 309 Sk48Dot16FloorToInt(fy), |
314 fontScaler); | 310 fontScaler); |
315 } | 311 } |
316 pos += scalarsPerPosition; | 312 pos += scalarsPerPosition; |
317 } | 313 } |
318 } else { | 314 } else { |
319 while (text < stop) { | 315 while (text < stop) { |
320 // the last 2 parameters are ignored | 316 // the last 2 parameters are ignored |
321 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); | 317 const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); |
322 | 318 |
323 if (glyph.fWidth) { | 319 if (glyph.fWidth) { |
324 SkPoint tmsLoc; | 320 SkPoint tmsLoc; |
325 tmsProc(pos, &tmsLoc); | 321 tmsProc(pos, &tmsLoc); |
326 | 322 |
327 SkPoint alignLoc; | 323 SkPoint alignLoc; |
328 alignProc(tmsLoc, glyph, &alignLoc); | 324 alignProc(tmsLoc, glyph, &alignLoc); |
329 | 325 |
330 Sk48Dot16 fx = SkScalarTo48Dot16(alignLoc.fX + SK_ScalarHalf
); //halfSampleX; | 326 Sk48Dot16 fx = SkScalarTo48Dot16(alignLoc.fX + SK_ScalarHalf
); //halfSampleX; |
331 Sk48Dot16 fy = SkScalarTo48Dot16(alignLoc.fY + SK_ScalarHalf
); //halfSampleY; | 327 Sk48Dot16 fy = SkScalarTo48Dot16(alignLoc.fY + SK_ScalarHalf
); //halfSampleY; |
332 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 328 this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
333 glyph.getSubXFixed(), | 329 glyph.getSubXFixed(), |
334 glyph.getSubYFixed(), | 330 glyph.getSubYFixed()), |
335 GrGlyph::kCoverage_MaskStyle
), | |
336 Sk48Dot16FloorToInt(fx), | 331 Sk48Dot16FloorToInt(fx), |
337 Sk48Dot16FloorToInt(fy), | 332 Sk48Dot16FloorToInt(fy), |
338 fontScaler); | 333 fontScaler); |
339 } | 334 } |
340 pos += scalarsPerPosition; | 335 pos += scalarsPerPosition; |
341 } | 336 } |
342 } | 337 } |
343 } | 338 } |
344 | 339 |
345 this->finish(); | 340 this->finish(); |
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410 } | 405 } |
411 | 406 |
412 void GrBitmapTextContext::appendGlyph(GrGlyph::PackedID packed, | 407 void GrBitmapTextContext::appendGlyph(GrGlyph::PackedID packed, |
413 int vx, int vy, | 408 int vx, int vy, |
414 GrFontScaler* scaler) { | 409 GrFontScaler* scaler) { |
415 if (NULL == fDrawTarget) { | 410 if (NULL == fDrawTarget) { |
416 return; | 411 return; |
417 } | 412 } |
418 | 413 |
419 if (NULL == fStrike) { | 414 if (NULL == fStrike) { |
420 fStrike = fContext->getFontCache()->getStrike(scaler); | 415 fStrike = fContext->getFontCache()->getStrike(scaler, false); |
421 } | 416 } |
422 | 417 |
423 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); | 418 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); |
424 if (NULL == glyph || glyph->fBounds.isEmpty()) { | 419 if (NULL == glyph || glyph->fBounds.isEmpty()) { |
425 return; | 420 return; |
426 } | 421 } |
427 | 422 |
428 int x = vx + glyph->fBounds.fLeft; | 423 int x = vx + glyph->fBounds.fLeft; |
429 int y = vy + glyph->fBounds.fTop; | 424 int y = vy + glyph->fBounds.fTop; |
430 | 425 |
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625 } | 620 } |
626 } | 621 } |
627 | 622 |
628 inline void GrBitmapTextContext::finish() { | 623 inline void GrBitmapTextContext::finish() { |
629 this->flush(); | 624 this->flush(); |
630 fTotalVertexCount = 0; | 625 fTotalVertexCount = 0; |
631 | 626 |
632 GrTextContext::finish(); | 627 GrTextContext::finish(); |
633 } | 628 } |
634 | 629 |
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