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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 #include "GrAtlasTextContext.h" | 7 #include "GrAtlasTextContext.h" |
8 | 8 |
9 #include "GrBlurUtils.h" | 9 #include "GrBlurUtils.h" |
10 #include "GrDrawContext.h" | 10 #include "GrDrawContext.h" |
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283 | 283 |
284 inline SkGlyphCache* GrAtlasTextContext::setupCache(GrAtlasTextBlob::Run* run, | 284 inline SkGlyphCache* GrAtlasTextContext::setupCache(GrAtlasTextBlob::Run* run, |
285 const SkPaint& skPaint, | 285 const SkPaint& skPaint, |
286 const SkMatrix* viewMatrix, | 286 const SkMatrix* viewMatrix, |
287 bool noGamma) { | 287 bool noGamma) { |
288 skPaint.getScalerContextDescriptor(&run->fDescriptor, fSurfaceProps, viewMat
rix, noGamma); | 288 skPaint.getScalerContextDescriptor(&run->fDescriptor, fSurfaceProps, viewMat
rix, noGamma); |
289 run->fTypeface.reset(SkSafeRef(skPaint.getTypeface())); | 289 run->fTypeface.reset(SkSafeRef(skPaint.getTypeface())); |
290 return SkGlyphCache::DetachCache(run->fTypeface, run->fDescriptor.getDesc())
; | 290 return SkGlyphCache::DetachCache(run->fTypeface, run->fDescriptor.getDesc())
; |
291 } | 291 } |
292 | 292 |
293 void GrAtlasTextContext::drawTextBlob(GrDrawContext* dc, GrRenderTarget* rt, | 293 void GrAtlasTextContext::drawTextBlob(GrDrawContext* dc, |
294 const GrClip& clip, const SkPaint& skPaint
, | 294 const GrClip& clip, const SkPaint& skPaint
, |
295 const SkMatrix& viewMatrix, const SkTextBl
ob* blob, | 295 const SkMatrix& viewMatrix, const SkTextBl
ob* blob, |
296 SkScalar x, SkScalar y, | 296 SkScalar x, SkScalar y, |
297 SkDrawFilter* drawFilter, const SkIRect& c
lipBounds) { | 297 SkDrawFilter* drawFilter, const SkIRect& c
lipBounds) { |
298 // If we have been abandoned, then don't draw | 298 // If we have been abandoned, then don't draw |
299 if (fContext->abandoned()) { | 299 if (fContext->abandoned()) { |
300 return; | 300 return; |
301 } | 301 } |
302 | 302 |
303 SkAutoTUnref<GrAtlasTextBlob> cacheBlob; | 303 SkAutoTUnref<GrAtlasTextBlob> cacheBlob; |
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378 if (canCache) { | 378 if (canCache) { |
379 cacheBlob.reset(SkRef(fCache->createCachedBlob(blob, key, blurRec, s
kPaint, | 379 cacheBlob.reset(SkRef(fCache->createCachedBlob(blob, key, blurRec, s
kPaint, |
380 GrAtlasTextBatch::kGr
ayTextVASize))); | 380 GrAtlasTextBatch::kGr
ayTextVASize))); |
381 } else { | 381 } else { |
382 cacheBlob.reset(fCache->createBlob(blob, GrAtlasTextBatch::kGrayText
VASize)); | 382 cacheBlob.reset(fCache->createBlob(blob, GrAtlasTextBatch::kGrayText
VASize)); |
383 } | 383 } |
384 this->regenerateTextBlob(cacheBlob, skPaint, grPaint.getColor(), viewMat
rix, | 384 this->regenerateTextBlob(cacheBlob, skPaint, grPaint.getColor(), viewMat
rix, |
385 blob, x, y, drawFilter, clip); | 385 blob, x, y, drawFilter, clip); |
386 } | 386 } |
387 | 387 |
388 this->flush(blob, cacheBlob, dc, rt, skPaint, grPaint, drawFilter, | 388 this->flush(blob, cacheBlob, dc, skPaint, grPaint, drawFilter, |
389 clip, viewMatrix, clipBounds, x, y, transX, transY); | 389 clip, viewMatrix, clipBounds, x, y, transX, transY); |
390 } | 390 } |
391 | 391 |
392 inline bool GrAtlasTextContext::canDrawAsDistanceFields(const SkPaint& skPaint, | 392 inline bool GrAtlasTextContext::canDrawAsDistanceFields(const SkPaint& skPaint, |
393 const SkMatrix& viewMatr
ix) { | 393 const SkMatrix& viewMatr
ix) { |
394 // TODO: support perspective (need getMaxScale replacement) | 394 // TODO: support perspective (need getMaxScale replacement) |
395 if (viewMatrix.hasPerspective()) { | 395 if (viewMatrix.hasPerspective()) { |
396 return false; | 396 return false; |
397 } | 397 } |
398 | 398 |
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711 blob = fCache->createBlob(glyphCount, 1, GrAtlasTextBatch::kGrayTextVASi
ze); | 711 blob = fCache->createBlob(glyphCount, 1, GrAtlasTextBatch::kGrayTextVASi
ze); |
712 blob->fViewMatrix = viewMatrix; | 712 blob->fViewMatrix = viewMatrix; |
713 SkGlyphCache* cache = this->setupCache(&blob->fRuns[0], skPaint, &viewMa
trix, false); | 713 SkGlyphCache* cache = this->setupCache(&blob->fRuns[0], skPaint, &viewMa
trix, false); |
714 this->internalDrawBMPPosText(blob, 0, cache, skPaint, paint.getColor(),
viewMatrix, text, | 714 this->internalDrawBMPPosText(blob, 0, cache, skPaint, paint.getColor(),
viewMatrix, text, |
715 byteLength, pos, scalarsPerPosition, offset
); | 715 byteLength, pos, scalarsPerPosition, offset
); |
716 SkGlyphCache::AttachCache(cache); | 716 SkGlyphCache::AttachCache(cache); |
717 } | 717 } |
718 return blob; | 718 return blob; |
719 } | 719 } |
720 | 720 |
721 void GrAtlasTextContext::onDrawText(GrDrawContext* dc, GrRenderTarget* rt, | 721 void GrAtlasTextContext::onDrawText(GrDrawContext* dc, |
722 const GrClip& clip, | 722 const GrClip& clip, |
723 const GrPaint& paint, const SkPaint& skPaint
, | 723 const GrPaint& paint, const SkPaint& skPaint
, |
724 const SkMatrix& viewMatrix, | 724 const SkMatrix& viewMatrix, |
725 const char text[], size_t byteLength, | 725 const char text[], size_t byteLength, |
726 SkScalar x, SkScalar y, const SkIRect& regio
nClipBounds) { | 726 SkScalar x, SkScalar y, const SkIRect& regio
nClipBounds) { |
727 SkAutoTUnref<GrAtlasTextBlob> blob( | 727 SkAutoTUnref<GrAtlasTextBlob> blob( |
728 this->createDrawTextBlob(clip, paint, skPaint, viewMatrix, | 728 this->createDrawTextBlob(clip, paint, skPaint, viewMatrix, |
729 text, byteLength, x, y, regionClipBounds)); | 729 text, byteLength, x, y, regionClipBounds)); |
730 this->flush(blob, dc, rt, skPaint, paint, clip, regionClipBounds); | 730 this->flush(blob, dc, skPaint, paint, clip, regionClipBounds); |
731 } | 731 } |
732 | 732 |
733 void GrAtlasTextContext::onDrawPosText(GrDrawContext* dc, GrRenderTarget* rt, | 733 void GrAtlasTextContext::onDrawPosText(GrDrawContext* dc, |
734 const GrClip& clip, | 734 const GrClip& clip, |
735 const GrPaint& paint, const SkPaint& skPa
int, | 735 const GrPaint& paint, const SkPaint& skPa
int, |
736 const SkMatrix& viewMatrix, | 736 const SkMatrix& viewMatrix, |
737 const char text[], size_t byteLength, | 737 const char text[], size_t byteLength, |
738 const SkScalar pos[], int scalarsPerPosit
ion, | 738 const SkScalar pos[], int scalarsPerPosit
ion, |
739 const SkPoint& offset, const SkIRect& reg
ionClipBounds) { | 739 const SkPoint& offset, const SkIRect& reg
ionClipBounds) { |
740 SkAutoTUnref<GrAtlasTextBlob> blob( | 740 SkAutoTUnref<GrAtlasTextBlob> blob( |
741 this->createDrawPosTextBlob(clip, paint, skPaint, viewMatrix, | 741 this->createDrawPosTextBlob(clip, paint, skPaint, viewMatrix, |
742 text, byteLength, | 742 text, byteLength, |
743 pos, scalarsPerPosition, | 743 pos, scalarsPerPosition, |
744 offset, regionClipBounds)); | 744 offset, regionClipBounds)); |
745 | 745 |
746 this->flush(blob, dc, rt, skPaint, paint, clip, regionClipBounds); | 746 this->flush(blob, dc, skPaint, paint, clip, regionClipBounds); |
747 } | 747 } |
748 | 748 |
749 void GrAtlasTextContext::internalDrawBMPText(GrAtlasTextBlob* blob, int runIndex
, | 749 void GrAtlasTextContext::internalDrawBMPText(GrAtlasTextBlob* blob, int runIndex
, |
750 SkGlyphCache* cache, const SkPaint&
skPaint, | 750 SkGlyphCache* cache, const SkPaint&
skPaint, |
751 GrColor color, | 751 GrColor color, |
752 const SkMatrix& viewMatrix, | 752 const SkMatrix& viewMatrix, |
753 const char text[], size_t byteLengt
h, | 753 const char text[], size_t byteLengt
h, |
754 SkScalar x, SkScalar y) { | 754 SkScalar x, SkScalar y) { |
755 SkASSERT(byteLength == 0 || text != nullptr); | 755 SkASSERT(byteLength == 0 || text != nullptr); |
756 | 756 |
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1287 } | 1287 } |
1288 | 1288 |
1289 GrBlurUtils::drawPathWithMaskFilter(fContext, dc, clip, bigGlyph.fPath, | 1289 GrBlurUtils::drawPathWithMaskFilter(fContext, dc, clip, bigGlyph.fPath, |
1290 skPaint, ctm, nullptr, clipBounds, f
alse); | 1290 skPaint, ctm, nullptr, clipBounds, f
alse); |
1291 } | 1291 } |
1292 } | 1292 } |
1293 | 1293 |
1294 void GrAtlasTextContext::flush(const SkTextBlob* blob, | 1294 void GrAtlasTextContext::flush(const SkTextBlob* blob, |
1295 GrAtlasTextBlob* cacheBlob, | 1295 GrAtlasTextBlob* cacheBlob, |
1296 GrDrawContext* dc, | 1296 GrDrawContext* dc, |
1297 GrRenderTarget* rt, | |
1298 const SkPaint& skPaint, | 1297 const SkPaint& skPaint, |
1299 const GrPaint& grPaint, | 1298 const GrPaint& grPaint, |
1300 SkDrawFilter* drawFilter, | 1299 SkDrawFilter* drawFilter, |
1301 const GrClip& clip, | 1300 const GrClip& clip, |
1302 const SkMatrix& viewMatrix, | 1301 const SkMatrix& viewMatrix, |
1303 const SkIRect& clipBounds, | 1302 const SkIRect& clipBounds, |
1304 SkScalar x, SkScalar y, | 1303 SkScalar x, SkScalar y, |
1305 SkScalar transX, SkScalar transY) { | 1304 SkScalar transX, SkScalar transY) { |
1306 // We loop through the runs of the blob, flushing each. If any run is too l
arge, then we flush | 1305 // We loop through the runs of the blob, flushing each. If any run is too l
arge, then we flush |
1307 // it as paths | 1306 // it as paths |
1308 GrPipelineBuilder pipelineBuilder(grPaint, rt, clip); | 1307 GrPipelineBuilder pipelineBuilder(grPaint, dc->accessRenderTarget(), clip); |
1309 | 1308 |
1310 GrColor color = grPaint.getColor(); | 1309 GrColor color = grPaint.getColor(); |
1311 | 1310 |
1312 SkTextBlobRunIterator it(blob); | 1311 SkTextBlobRunIterator it(blob); |
1313 for (int run = 0; !it.done(); it.next(), run++) { | 1312 for (int run = 0; !it.done(); it.next(), run++) { |
1314 if (cacheBlob->fRuns[run].fDrawAsPaths) { | 1313 if (cacheBlob->fRuns[run].fDrawAsPaths) { |
1315 this->flushRunAsPaths(dc, it, clip, skPaint, | 1314 this->flushRunAsPaths(dc, it, clip, skPaint, |
1316 drawFilter, viewMatrix, clipBounds, x, y); | 1315 drawFilter, viewMatrix, clipBounds, x, y); |
1317 continue; | 1316 continue; |
1318 } | 1317 } |
1319 cacheBlob->fRuns[run].fVertexBounds.offset(transX, transY); | 1318 cacheBlob->fRuns[run].fVertexBounds.offset(transX, transY); |
1320 this->flushRun(dc, &pipelineBuilder, cacheBlob, run, color, | 1319 this->flushRun(dc, &pipelineBuilder, cacheBlob, run, color, |
1321 transX, transY, skPaint); | 1320 transX, transY, skPaint); |
1322 } | 1321 } |
1323 | 1322 |
1324 // Now flush big glyphs | 1323 // Now flush big glyphs |
1325 this->flushBigGlyphs(cacheBlob, dc, clip, skPaint, transX, transY, clipBound
s); | 1324 this->flushBigGlyphs(cacheBlob, dc, clip, skPaint, transX, transY, clipBound
s); |
1326 } | 1325 } |
1327 | 1326 |
1328 void GrAtlasTextContext::flush(GrAtlasTextBlob* cacheBlob, | 1327 void GrAtlasTextContext::flush(GrAtlasTextBlob* cacheBlob, |
1329 GrDrawContext* dc, | 1328 GrDrawContext* dc, |
1330 GrRenderTarget* rt, | |
1331 const SkPaint& skPaint, | 1329 const SkPaint& skPaint, |
1332 const GrPaint& grPaint, | 1330 const GrPaint& grPaint, |
1333 const GrClip& clip, | 1331 const GrClip& clip, |
1334 const SkIRect& clipBounds) { | 1332 const SkIRect& clipBounds) { |
1335 GrPipelineBuilder pipelineBuilder(grPaint, rt, clip); | 1333 GrPipelineBuilder pipelineBuilder(grPaint, dc->accessRenderTarget(), clip); |
1336 | 1334 |
1337 GrColor color = grPaint.getColor(); | 1335 GrColor color = grPaint.getColor(); |
1338 for (int run = 0; run < cacheBlob->fRunCount; run++) { | 1336 for (int run = 0; run < cacheBlob->fRunCount; run++) { |
1339 this->flushRun(dc, &pipelineBuilder, cacheBlob, run, color, 0, 0, skPain
t); | 1337 this->flushRun(dc, &pipelineBuilder, cacheBlob, run, color, 0, 0, skPain
t); |
1340 } | 1338 } |
1341 | 1339 |
1342 // Now flush big glyphs | 1340 // Now flush big glyphs |
1343 this->flushBigGlyphs(cacheBlob, dc, clip, skPaint, 0, 0, clipBounds); | 1341 this->flushBigGlyphs(cacheBlob, dc, clip, skPaint, 0, 0, clipBounds); |
1344 } | 1342 } |
1345 | 1343 |
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1389 gTextContext->createDrawTextBlob(clip, grPaint, skPaint, viewMatrix,
text, | 1387 gTextContext->createDrawTextBlob(clip, grPaint, skPaint, viewMatrix,
text, |
1390 static_cast<size_t>(textLen), 0, 0,
noClip)); | 1388 static_cast<size_t>(textLen), 0, 0,
noClip)); |
1391 | 1389 |
1392 SkScalar transX = static_cast<SkScalar>(random->nextU()); | 1390 SkScalar transX = static_cast<SkScalar>(random->nextU()); |
1393 SkScalar transY = static_cast<SkScalar>(random->nextU()); | 1391 SkScalar transY = static_cast<SkScalar>(random->nextU()); |
1394 const GrAtlasTextBlob::Run::SubRunInfo& info = blob->fRuns[0].fSubRunInfo[0]
; | 1392 const GrAtlasTextBlob::Run::SubRunInfo& info = blob->fRuns[0].fSubRunInfo[0]
; |
1395 return gTextContext->createBatch(blob, info, textLen, 0, 0, color, transX, t
ransY, skPaint); | 1393 return gTextContext->createBatch(blob, info, textLen, 0, 0, color, transX, t
ransY, skPaint); |
1396 } | 1394 } |
1397 | 1395 |
1398 #endif | 1396 #endif |
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