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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 "GrBitmapTextContext.h" | 10 #include "GrBitmapTextContext.h" |
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624 filteredColor = fSkPaint.getColor(); | 624 filteredColor = fSkPaint.getColor(); |
625 } | 625 } |
626 this->setupCoverageEffect(filteredColor); | 626 this->setupCoverageEffect(filteredColor); |
627 | 627 |
628 // Effects could be stored with one of the cache objects (atlas?) | 628 // Effects could be stored with one of the cache objects (atlas?) |
629 drawState.setGeometryProcessor(fCachedGeometryProcessor.get()); | 629 drawState.setGeometryProcessor(fCachedGeometryProcessor.get()); |
630 | 630 |
631 // Set draw state | 631 // Set draw state |
632 if (fUseLCDText) { | 632 if (fUseLCDText) { |
633 GrColor colorNoPreMul = skcolor_to_grcolor_nopremultiply(filteredCol
or); | 633 GrColor colorNoPreMul = skcolor_to_grcolor_nopremultiply(filteredCol
or); |
634 if (kOne_GrBlendCoeff != fPaint.getSrcBlendCoeff() || | 634 |
635 kISA_GrBlendCoeff != fPaint.getDstBlendCoeff() || | 635 // TODO: move supportsRGBCoverage check to setupCoverageEffect and o
nly add LCD |
636 fPaint.numColorStages()) { | 636 // processor if the xp can support it. For now we will simply assume
that if |
| 637 // fUseLCDText is true, then we have a known color output. |
| 638 if (!drawState.getXPFactory()->supportsRGBCoverage(0, kRGBA_GrColorC
omponentFlags)) { |
637 SkDebugf("LCD Text will not draw correctly.\n"); | 639 SkDebugf("LCD Text will not draw correctly.\n"); |
638 } | 640 } |
639 SkASSERT(!drawState.hasColorVertexAttribute()); | 641 SkASSERT(!drawState.hasColorVertexAttribute()); |
640 // We don't use the GrPaint's color in this case because it's been p
remultiplied by | 642 // We don't use the GrPaint's color in this case because it's been p
remultiplied by |
641 // alpha. Instead we feed in a non-premultiplied color, and multiply
its alpha by | 643 // alpha. Instead we feed in a non-premultiplied color, and multiply
its alpha by |
642 // the mask texture color. The end result is that we get | 644 // the mask texture color. The end result is that we get |
643 // mask*paintAlpha*paintColor + (1-mask*paintAlpha)*dstCo
lor | 645 // mask*paintAlpha*paintColor + (1-mask*paintAlpha)*dstCo
lor |
644 int a = SkColorGetA(fSkPaint.getColor()); | 646 int a = SkColorGetA(fSkPaint.getColor()); |
645 // paintAlpha | 647 // paintAlpha |
646 drawState.setColor(SkColorSetARGB(a, a, a, a)); | 648 drawState.setColor(SkColorSetARGB(a, a, a, a)); |
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673 } | 675 } |
674 } | 676 } |
675 | 677 |
676 inline void GrDistanceFieldTextContext::finish() { | 678 inline void GrDistanceFieldTextContext::finish() { |
677 this->flush(); | 679 this->flush(); |
678 fTotalVertexCount = 0; | 680 fTotalVertexCount = 0; |
679 | 681 |
680 GrTextContext::finish(); | 682 GrTextContext::finish(); |
681 } | 683 } |
682 | 684 |
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