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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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63 | 63 |
64 GrBitmapTextContext* GrBitmapTextContext::Create(GrContext* context, | 64 GrBitmapTextContext* GrBitmapTextContext::Create(GrContext* context, |
65 const SkDeviceProperties& props
) { | 65 const SkDeviceProperties& props
) { |
66 return SkNEW_ARGS(GrBitmapTextContext, (context, props)); | 66 return SkNEW_ARGS(GrBitmapTextContext, (context, props)); |
67 } | 67 } |
68 | 68 |
69 bool GrBitmapTextContext::canDraw(const SkPaint& paint, const SkMatrix& viewMatr
ix) { | 69 bool GrBitmapTextContext::canDraw(const SkPaint& paint, const SkMatrix& viewMatr
ix) { |
70 return !SkDraw::ShouldDrawTextAsPaths(paint, viewMatrix); | 70 return !SkDraw::ShouldDrawTextAsPaths(paint, viewMatrix); |
71 } | 71 } |
72 | 72 |
73 inline void GrBitmapTextContext::init(GrRenderTarget* rt, const GrPaint& paint, | 73 inline void GrBitmapTextContext::init(GrRenderTarget* rt, const GrClip& clip, |
74 const SkPaint& skPaint) { | 74 const GrPaint& paint, const SkPaint& skPai
nt) { |
75 GrTextContext::init(rt, paint, skPaint); | 75 GrTextContext::init(rt, clip, paint, skPaint); |
76 | 76 |
77 fStrike = NULL; | 77 fStrike = NULL; |
78 | 78 |
79 fCurrTexture = NULL; | 79 fCurrTexture = NULL; |
80 fCurrVertex = 0; | 80 fCurrVertex = 0; |
81 | 81 |
82 fVertices = NULL; | 82 fVertices = NULL; |
83 fAllocVertexCount = 0; | 83 fAllocVertexCount = 0; |
84 fTotalVertexCount = 0; | 84 fTotalVertexCount = 0; |
85 } | 85 } |
86 | 86 |
87 void GrBitmapTextContext::onDrawText(GrRenderTarget* rt, const GrPaint& paint, | 87 void GrBitmapTextContext::onDrawText(GrRenderTarget* rt, const GrClip& clip, |
88 const SkPaint& skPaint, | 88 const GrPaint& paint, const SkPaint& skPain
t, |
89 const SkMatrix& viewMatrix, | 89 const SkMatrix& viewMatrix, |
90 const char text[], size_t byteLength, | 90 const char text[], size_t byteLength, |
91 SkScalar x, SkScalar y) { | 91 SkScalar x, SkScalar y) { |
92 SkASSERT(byteLength == 0 || text != NULL); | 92 SkASSERT(byteLength == 0 || text != NULL); |
93 | 93 |
94 // nothing to draw | 94 // nothing to draw |
95 if (text == NULL || byteLength == 0 /*|| fRC->isEmpty()*/) { | 95 if (text == NULL || byteLength == 0 /*|| fRC->isEmpty()*/) { |
96 return; | 96 return; |
97 } | 97 } |
98 | 98 |
99 this->init(rt, paint, skPaint); | 99 this->init(rt, clip, paint, skPaint); |
100 | 100 |
101 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); | 101 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); |
102 | 102 |
103 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &viewMatrix); | 103 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &viewMatrix); |
104 SkGlyphCache* cache = autoCache.getCache(); | 104 SkGlyphCache* cache = autoCache.getCache(); |
105 GrFontScaler* fontScaler = GetGrFontScaler(cache); | 105 GrFontScaler* fontScaler = GetGrFontScaler(cache); |
106 | 106 |
107 // transform our starting point | 107 // transform our starting point |
108 { | 108 { |
109 SkPoint loc; | 109 SkPoint loc; |
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177 fontScaler); | 177 fontScaler); |
178 } | 178 } |
179 | 179 |
180 fx += glyph.fAdvanceX; | 180 fx += glyph.fAdvanceX; |
181 fy += glyph.fAdvanceY; | 181 fy += glyph.fAdvanceY; |
182 } | 182 } |
183 | 183 |
184 this->finish(); | 184 this->finish(); |
185 } | 185 } |
186 | 186 |
187 void GrBitmapTextContext::onDrawPosText(GrRenderTarget* rt, const GrPaint& paint
, | 187 void GrBitmapTextContext::onDrawPosText(GrRenderTarget* rt, const GrClip& clip, |
188 const SkPaint& skPaint, | 188 const GrPaint& paint, const SkPaint& skP
aint, |
189 const SkMatrix& viewMatrix, | 189 const SkMatrix& viewMatrix, |
190 const char text[], size_t byteLength, | 190 const char text[], size_t byteLength, |
191 const SkScalar pos[], int scalarsPerPosi
tion, | 191 const SkScalar pos[], int scalarsPerPosi
tion, |
192 const SkPoint& offset) { | 192 const SkPoint& offset) { |
193 SkASSERT(byteLength == 0 || text != NULL); | 193 SkASSERT(byteLength == 0 || text != NULL); |
194 SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); | 194 SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); |
195 | 195 |
196 // nothing to draw | 196 // nothing to draw |
197 if (text == NULL || byteLength == 0/* || fRC->isEmpty()*/) { | 197 if (text == NULL || byteLength == 0/* || fRC->isEmpty()*/) { |
198 return; | 198 return; |
199 } | 199 } |
200 | 200 |
201 this->init(rt, paint, skPaint); | 201 this->init(rt, clip, paint, skPaint); |
202 | 202 |
203 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); | 203 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); |
204 | 204 |
205 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &viewMatrix); | 205 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &viewMatrix); |
206 SkGlyphCache* cache = autoCache.getCache(); | 206 SkGlyphCache* cache = autoCache.getCache(); |
207 GrFontScaler* fontScaler = GetGrFontScaler(cache); | 207 GrFontScaler* fontScaler = GetGrFontScaler(cache); |
208 | 208 |
209 // if we have RGB, then we won't have any SkShaders so no need to use a loca
lmatrix, but for | 209 // if we have RGB, then we won't have any SkShaders so no need to use a loca
lmatrix, but for |
210 // performance reasons we just invert here instead | 210 // performance reasons we just invert here instead |
211 if (!viewMatrix.invert(&fLocalMatrix)) { | 211 if (!viewMatrix.invert(&fLocalMatrix)) { |
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448 | 448 |
449 // flush any accumulated draws before drawing this glyph as a path. | 449 // flush any accumulated draws before drawing this glyph as a path. |
450 this->flush(); | 450 this->flush(); |
451 | 451 |
452 SkMatrix translate; | 452 SkMatrix translate; |
453 translate.setTranslate(SkFixedToScalar(vx - SkIntToFixed(glyph->fBounds.
fLeft)), | 453 translate.setTranslate(SkFixedToScalar(vx - SkIntToFixed(glyph->fBounds.
fLeft)), |
454 SkFixedToScalar(vy - SkIntToFixed(glyph->fBounds.
fTop))); | 454 SkFixedToScalar(vy - SkIntToFixed(glyph->fBounds.
fTop))); |
455 SkPath tmpPath(*glyph->fPath); | 455 SkPath tmpPath(*glyph->fPath); |
456 tmpPath.transform(translate); | 456 tmpPath.transform(translate); |
457 GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle); | 457 GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle); |
458 fContext->drawPath(fRenderTarget, fPaint, SkMatrix::I(), tmpPath, stroke
Info); | 458 fContext->drawPath(fRenderTarget, fClip, fPaint, SkMatrix::I(), tmpPath,
strokeInfo); |
459 | 459 |
460 // remove this glyph from the vertices we need to allocate | 460 // remove this glyph from the vertices we need to allocate |
461 fTotalVertexCount -= kVerticesPerGlyph; | 461 fTotalVertexCount -= kVerticesPerGlyph; |
462 return; | 462 return; |
463 } | 463 } |
464 | 464 |
465 SkASSERT(glyph->fPlot); | 465 SkASSERT(glyph->fPlot); |
466 GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken(); | 466 GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken(); |
467 glyph->fPlot->setDrawToken(drawToken); | 467 glyph->fPlot->setDrawToken(drawToken); |
468 | 468 |
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623 } | 623 } |
624 } | 624 } |
625 | 625 |
626 inline void GrBitmapTextContext::finish() { | 626 inline void GrBitmapTextContext::finish() { |
627 this->flush(); | 627 this->flush(); |
628 fTotalVertexCount = 0; | 628 fTotalVertexCount = 0; |
629 | 629 |
630 GrTextContext::finish(); | 630 GrTextContext::finish(); |
631 } | 631 } |
632 | 632 |
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