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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 "GrTextContext.h" | 8 #include "GrTextContext.h" |
9 #include "GrContext.h" | 9 #include "GrContext.h" |
| 10 #include "GrDrawTarget.h" |
| 11 #include "GrFontScaler.h" |
10 | 12 |
11 #include "SkAutoKern.h" | 13 #include "SkAutoKern.h" |
12 #include "SkGlyphCache.h" | 14 #include "SkGlyphCache.h" |
13 #include "GrFontScaler.h" | |
14 | 15 |
15 GrTextContext::GrTextContext(GrContext* context, const SkDeviceProperties& prope
rties) : | 16 GrTextContext::GrTextContext(GrContext* context, const SkDeviceProperties& prope
rties) : |
16 fFallbackTextContext(NULL), | 17 fFallbackTextContext(NULL), |
17 fContext(context), fDeviceProperties(properties), fD
rawTarget(NULL) { | 18 fContext(context), fDeviceProperties(properties), |
| 19 fDrawTarget(NULL) { |
18 } | 20 } |
19 | 21 |
20 GrTextContext::~GrTextContext() { | 22 GrTextContext::~GrTextContext() { |
21 SkDELETE(fFallbackTextContext); | 23 SkDELETE(fFallbackTextContext); |
22 } | 24 } |
23 | 25 |
24 void GrTextContext::init(GrRenderTarget* rt, const GrPaint& grPaint, const SkPai
nt& skPaint) { | 26 void GrTextContext::init(GrRenderTarget* rt, const GrClip& clip, const GrPaint&
grPaint, |
25 fClip = fContext->getClip(); | 27 const SkPaint& skPaint) { |
| 28 fClip = clip; |
26 | 29 |
27 fRenderTarget.reset(SkRef(rt)); | 30 fRenderTarget.reset(SkRef(rt)); |
28 | 31 |
29 fClip->getConservativeBounds(fRenderTarget->width(), fRenderTarget->height()
, &fClipRect); | 32 fClip.getConservativeBounds(fRenderTarget->width(), fRenderTarget->height(),
&fClipRect); |
30 | 33 |
31 fDrawTarget = fContext->getTextTarget(); | 34 fDrawTarget = fContext->getTextTarget(); |
32 | 35 |
33 fPaint = grPaint; | 36 fPaint = grPaint; |
34 fSkPaint = skPaint; | 37 fSkPaint = skPaint; |
35 } | 38 } |
36 | 39 |
37 bool GrTextContext::drawText(GrRenderTarget* rt, const GrPaint& paint, const SkP
aint& skPaint, | 40 bool GrTextContext::drawText(GrRenderTarget* rt, const GrClip& clip, const GrPai
nt& paint, |
38 const SkMatrix& viewMatrix, | 41 const SkPaint& skPaint, const SkMatrix& viewMatrix, |
39 const char text[], size_t byteLength, | 42 const char text[], size_t byteLength, |
40 SkScalar x, SkScalar y) { | 43 SkScalar x, SkScalar y) { |
41 | 44 |
42 GrTextContext* textContext = this; | 45 GrTextContext* textContext = this; |
43 do { | 46 do { |
44 if (textContext->canDraw(skPaint, viewMatrix)) { | 47 if (textContext->canDraw(skPaint, viewMatrix)) { |
45 textContext->onDrawText(rt, paint, skPaint, viewMatrix, text, byteLe
ngth, x, y); | 48 textContext->onDrawText(rt, clip, paint, skPaint, viewMatrix, text,
byteLength, x, y); |
46 return true; | 49 return true; |
47 } | 50 } |
48 textContext = textContext->fFallbackTextContext; | 51 textContext = textContext->fFallbackTextContext; |
49 } while (textContext); | 52 } while (textContext); |
50 | 53 |
51 return false; | 54 return false; |
52 } | 55 } |
53 | 56 |
54 bool GrTextContext::drawPosText(GrRenderTarget* rt, const GrPaint& paint, const
SkPaint& skPaint, | 57 bool GrTextContext::drawPosText(GrRenderTarget* rt, const GrClip& clip, const Gr
Paint& paint, |
55 const SkMatrix& viewMatrix, | 58 const SkPaint& skPaint, const SkMatrix& viewMatr
ix, |
56 const char text[], size_t byteLength, | 59 const char text[], size_t byteLength, |
57 const SkScalar pos[], int scalarsPerPosition, | 60 const SkScalar pos[], int scalarsPerPosition, |
58 const SkPoint& offset) { | 61 const SkPoint& offset) { |
59 | 62 |
60 GrTextContext* textContext = this; | 63 GrTextContext* textContext = this; |
61 do { | 64 do { |
62 if (textContext->canDraw(skPaint, viewMatrix)) { | 65 if (textContext->canDraw(skPaint, viewMatrix)) { |
63 textContext->onDrawPosText(rt, paint, skPaint, viewMatrix, text, byt
eLength, pos, | 66 textContext->onDrawPosText(rt, clip, paint, skPaint, viewMatrix, tex
t, byteLength, pos, |
64 scalarsPerPosition, offset); | 67 scalarsPerPosition, offset); |
65 return true; | 68 return true; |
66 } | 69 } |
67 textContext = textContext->fFallbackTextContext; | 70 textContext = textContext->fFallbackTextContext; |
68 } while (textContext); | 71 } while (textContext); |
69 | 72 |
70 return false; | 73 return false; |
71 } | 74 } |
72 | 75 |
73 | 76 |
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108 if (cache->getAuxProcData(GlyphCacheAuxProc, &auxData)) { | 111 if (cache->getAuxProcData(GlyphCacheAuxProc, &auxData)) { |
109 scaler = (GrFontScaler*)auxData; | 112 scaler = (GrFontScaler*)auxData; |
110 } | 113 } |
111 if (NULL == scaler) { | 114 if (NULL == scaler) { |
112 scaler = SkNEW_ARGS(GrFontScaler, (cache)); | 115 scaler = SkNEW_ARGS(GrFontScaler, (cache)); |
113 cache->setAuxProc(GlyphCacheAuxProc, scaler); | 116 cache->setAuxProc(GlyphCacheAuxProc, scaler); |
114 } | 117 } |
115 | 118 |
116 return scaler; | 119 return scaler; |
117 } | 120 } |
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