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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 "GrBatchFontCache.h" | 9 #include "GrBatchFontCache.h" |
10 #include "GrBatchFlushState.h" | 10 #include "GrBatchFlushState.h" |
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96 | 96 |
97 }; | 97 }; |
98 | 98 |
99 GrAtlasTextContext::GrAtlasTextContext(GrContext* context, | 99 GrAtlasTextContext::GrAtlasTextContext(GrContext* context, |
100 GrDrawContext* drawContext, | 100 GrDrawContext* drawContext, |
101 const SkSurfaceProps& surfaceProps) | 101 const SkSurfaceProps& surfaceProps) |
102 : INHERITED(context, drawContext, surfaceProps) | 102 : INHERITED(context, drawContext, surfaceProps) |
103 , fDistanceAdjustTable(SkNEW(DistanceAdjustTable)) { | 103 , fDistanceAdjustTable(SkNEW(DistanceAdjustTable)) { |
104 // We overallocate vertices in our textblobs based on the assumption that A8
has the greatest | 104 // We overallocate vertices in our textblobs based on the assumption that A8
has the greatest |
105 // vertexStride | 105 // vertexStride |
106 SK_COMPILE_ASSERT(kGrayTextVASize >= kColorTextVASize && kGrayTextVASize >=
kLCDTextVASize, | 106 static_assert(kGrayTextVASize >= kColorTextVASize && kGrayTextVASize >= kLCD
TextVASize, |
107 vertex_attribute_changed); | 107 "vertex_attribute_changed"); |
108 fCurrStrike = NULL; | 108 fCurrStrike = NULL; |
109 fCache = context->getTextBlobCache(); | 109 fCache = context->getTextBlobCache(); |
110 } | 110 } |
111 | 111 |
112 void GrAtlasTextContext::DistanceAdjustTable::buildDistanceAdjustTable() { | 112 void GrAtlasTextContext::DistanceAdjustTable::buildDistanceAdjustTable() { |
113 | 113 |
114 // This is used for an approximation of the mask gamma hack, used by raster
and bitmap | 114 // This is used for an approximation of the mask gamma hack, used by raster
and bitmap |
115 // text. The mask gamma hack is based off of guessing what the blend color i
s going to | 115 // text. The mask gamma hack is based off of guessing what the blend color i
s going to |
116 // be, and adjusting the mask so that when run through the linear blend will | 116 // be, and adjusting the mask so that when run through the linear blend will |
117 // produce the value closest to the desired result. However, in practice thi
s means | 117 // produce the value closest to the desired result. However, in practice thi
s means |
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2286 gTextContext->createDrawTextBlob(rt, clip, grPaint, skPaint, viewMat
rix, text, | 2286 gTextContext->createDrawTextBlob(rt, clip, grPaint, skPaint, viewMat
rix, text, |
2287 static_cast<size_t>(textLen), 0, 0,
noClip)); | 2287 static_cast<size_t>(textLen), 0, 0,
noClip)); |
2288 | 2288 |
2289 SkScalar transX = static_cast<SkScalar>(random->nextU()); | 2289 SkScalar transX = static_cast<SkScalar>(random->nextU()); |
2290 SkScalar transY = static_cast<SkScalar>(random->nextU()); | 2290 SkScalar transY = static_cast<SkScalar>(random->nextU()); |
2291 const GrAtlasTextBlob::Run::SubRunInfo& info = blob->fRuns[0].fSubRunInfo[0]
; | 2291 const GrAtlasTextBlob::Run::SubRunInfo& info = blob->fRuns[0].fSubRunInfo[0]
; |
2292 return gTextContext->createBatch(blob, info, textLen, 0, 0, color, transX, t
ransY, skPaint); | 2292 return gTextContext->createBatch(blob, info, textLen, 0, 0, color, transX, t
ransY, skPaint); |
2293 } | 2293 } |
2294 | 2294 |
2295 #endif | 2295 #endif |
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