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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 "GrDistanceFieldTextContext.h" | 8 #include "GrDistanceFieldTextContext.h" |
9 #include "GrAtlas.h" | 9 #include "GrAtlas.h" |
10 #include "GrDrawTarget.h" | 10 #include "GrDrawTarget.h" |
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405 | 405 |
406 if (NULL == fStrike) { | 406 if (NULL == fStrike) { |
407 fStrike = fContext->getFontCache()->getStrike(scaler, true); | 407 fStrike = fContext->getFontCache()->getStrike(scaler, true); |
408 } | 408 } |
409 | 409 |
410 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); | 410 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); |
411 if (NULL == glyph || glyph->fBounds.isEmpty()) { | 411 if (NULL == glyph || glyph->fBounds.isEmpty()) { |
412 return; | 412 return; |
413 } | 413 } |
414 | 414 |
415 // TODO: support color glyphs | |
416 if (kA8_GrMaskFormat != glyph->fMaskFormat) { | |
417 return; | |
418 } | |
419 | |
420 SkScalar sx = SkFixedToScalar(vx); | 415 SkScalar sx = SkFixedToScalar(vx); |
421 SkScalar sy = SkFixedToScalar(vy); | 416 SkScalar sy = SkFixedToScalar(vy); |
422 /* | 417 /* |
423 // not valid, need to find a different solution for this | 418 // not valid, need to find a different solution for this |
424 vx += SkIntToFixed(glyph->fBounds.fLeft); | 419 vx += SkIntToFixed(glyph->fBounds.fLeft); |
425 vy += SkIntToFixed(glyph->fBounds.fTop); | 420 vy += SkIntToFixed(glyph->fBounds.fTop); |
426 | 421 |
427 // keep them as ints until we've done the clip-test | 422 // keep them as ints until we've done the clip-test |
428 GrFixed width = glyph->fBounds.width(); | 423 GrFixed width = glyph->fBounds.width(); |
429 GrFixed height = glyph->fBounds.height(); | 424 GrFixed height = glyph->fBounds.height(); |
430 | 425 |
431 // check if we clipped out | 426 // check if we clipped out |
432 if (true || NULL == glyph->fPlot) { | 427 if (true || NULL == glyph->fPlot) { |
433 int x = vx >> 16; | 428 int x = vx >> 16; |
434 int y = vy >> 16; | 429 int y = vy >> 16; |
435 if (fClipRect.quickReject(x, y, x + width, y + height)) { | 430 if (fClipRect.quickReject(x, y, x + width, y + height)) { |
436 // SkCLZ(3); // so we can set a break-point in the debugger | 431 // SkCLZ(3); // so we can set a break-point in the debugger |
437 return; | 432 return; |
438 } | 433 } |
439 } | 434 } |
440 */ | 435 */ |
441 if (NULL == glyph->fPlot) { | 436 if (NULL == glyph->fPlot) { |
442 if (!fStrike->glyphTooLargeForAtlas(glyph)) { | 437 if (!fStrike->glyphTooLargeForAtlas(glyph)) { |
443 if (fStrike->addGlyphToAtlas(glyph, scaler)) { | 438 if (fStrike->addGlyphToAtlas(glyph, scaler)) { |
444 goto HAS_ATLAS; | 439 goto HAS_ATLAS; |
445 } | 440 } |
446 | 441 |
447 // try to clear out an unused plot before we flush | 442 // try to clear out an unused plot before we flush |
448 if (fContext->getFontCache()->freeUnusedPlot(fStrike, glyph) && | 443 if (fContext->getFontCache()->freeUnusedPlot(fStrike) && |
449 fStrike->addGlyphToAtlas(glyph, scaler)) { | 444 fStrike->addGlyphToAtlas(glyph, scaler)) { |
450 goto HAS_ATLAS; | 445 goto HAS_ATLAS; |
451 } | 446 } |
452 | 447 |
453 if (c_DumpFontCache) { | 448 if (c_DumpFontCache) { |
454 #ifdef SK_DEVELOPER | 449 #ifdef SK_DEVELOPER |
455 fContext->getFontCache()->dump(); | 450 fContext->getFontCache()->dump(); |
456 #endif | 451 #endif |
457 } | 452 } |
458 | 453 |
459 // before we purge the cache, we must flush any accumulated draws | 454 // before we purge the cache, we must flush any accumulated draws |
460 this->flush(); | 455 this->flush(); |
461 fContext->flush(); | 456 fContext->flush(); |
462 | 457 |
463 // we should have an unused plot now | 458 // we should have an unused plot now |
464 if (fContext->getFontCache()->freeUnusedPlot(fStrike, glyph) && | 459 if (fContext->getFontCache()->freeUnusedPlot(fStrike) && |
465 fStrike->addGlyphToAtlas(glyph, scaler)) { | 460 fStrike->addGlyphToAtlas(glyph, scaler)) { |
466 goto HAS_ATLAS; | 461 goto HAS_ATLAS; |
467 } | 462 } |
468 } | 463 } |
469 | 464 |
470 if (NULL == glyph->fPath) { | 465 if (NULL == glyph->fPath) { |
471 SkPath* path = SkNEW(SkPath); | 466 SkPath* path = SkNEW(SkPath); |
472 if (!scaler->getGlyphPath(glyph->glyphID(), path)) { | 467 if (!scaler->getGlyphPath(glyph->glyphID(), path)) { |
473 // flag the glyph as being dead? | 468 // flag the glyph as being dead? |
474 delete path; | 469 delete path; |
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668 fVertexBounds.setLargestInverted(); | 663 fVertexBounds.setLargestInverted(); |
669 } | 664 } |
670 } | 665 } |
671 | 666 |
672 inline void GrDistanceFieldTextContext::finish() { | 667 inline void GrDistanceFieldTextContext::finish() { |
673 this->flush(); | 668 this->flush(); |
674 | 669 |
675 GrTextContext::finish(); | 670 GrTextContext::finish(); |
676 } | 671 } |
677 | 672 |
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