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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "SkDevice.h" | 8 #include "SkDevice.h" |
9 #include "SkDeviceProperties.h" | 9 #include "SkDeviceProperties.h" |
10 #include "SkDraw.h" | 10 #include "SkDraw.h" |
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89 this->drawVertices(draw, SkCanvas::kTriangles_VertexMode, data.fVertexCo
unt, data.fPoints, | 89 this->drawVertices(draw, SkCanvas::kTriangles_VertexMode, data.fVertexCo
unt, data.fPoints, |
90 data.fTexCoords, data.fColors, xmode, data.fIndices,
data.fIndexCount, | 90 data.fTexCoords, data.fColors, xmode, data.fIndices,
data.fIndexCount, |
91 paint); | 91 paint); |
92 } | 92 } |
93 } | 93 } |
94 | 94 |
95 void SkBaseDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkSc
alar x, SkScalar y, | 95 void SkBaseDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkSc
alar x, SkScalar y, |
96 const SkPaint &paint) { | 96 const SkPaint &paint) { |
97 | 97 |
98 SkPaint runPaint = paint; | 98 SkPaint runPaint = paint; |
| 99 SkMatrix localMatrix; |
| 100 SkDraw localDraw(draw); |
| 101 |
| 102 if (x || y) { |
| 103 localMatrix = *draw.fMatrix; |
| 104 localMatrix.preTranslate(x, y); |
| 105 localDraw.fMatrix = &localMatrix; |
| 106 |
| 107 if (paint.getShader()) { |
| 108 // FIXME: We need to compensate for the translate above. This is sub
optimal but |
| 109 // temporary -- until we get proper derived class drawTextBlob imple
mentations. |
| 110 |
| 111 // TODO: pass x,y down to the other methods so they can handle the a
dditional |
| 112 // translate without needing to allocate a new shader. |
| 113 SkMatrix shaderMatrix; |
| 114 shaderMatrix.setTranslate(-x, -y); |
| 115 SkAutoTUnref<SkShader> wrapper( |
| 116 SkShader::CreateLocalMatrixShader(paint.getShader(), shaderMatri
x)); |
| 117 runPaint.setShader(wrapper); |
| 118 } |
| 119 } |
99 | 120 |
100 SkTextBlob::RunIterator it(blob); | 121 SkTextBlob::RunIterator it(blob); |
101 while (!it.done()) { | 122 while (!it.done()) { |
102 size_t textLen = it.glyphCount() * sizeof(uint16_t); | 123 size_t textLen = it.glyphCount() * sizeof(uint16_t); |
103 const SkPoint& offset = it.offset(); | 124 const SkPoint& offset = it.offset(); |
104 // applyFontToPaint() always overwrites the exact same attributes, | 125 // applyFontToPaint() always overwrites the exact same attributes, |
105 // so it is safe to not re-seed the paint. | 126 // so it is safe to not re-seed the paint. |
106 it.applyFontToPaint(&runPaint); | 127 it.applyFontToPaint(&runPaint); |
107 | 128 |
108 switch (it.positioning()) { | 129 switch (it.positioning()) { |
109 case SkTextBlob::kDefault_Positioning: | 130 case SkTextBlob::kDefault_Positioning: |
110 this->drawText(draw, it.glyphs(), textLen, x + offset.x(), y + offse
t.y(), runPaint); | 131 this->drawText(localDraw, it.glyphs(), textLen, offset.x(), offset.y
(), runPaint); |
111 break; | 132 break; |
112 case SkTextBlob::kHorizontal_Positioning: | 133 case SkTextBlob::kHorizontal_Positioning: |
113 this->drawPosText(draw, it.glyphs(), textLen, it.pos(), 1, | |
114 SkPoint::Make(x, y + offset.y()), runPaint); | |
115 break; | |
116 case SkTextBlob::kFull_Positioning: | 134 case SkTextBlob::kFull_Positioning: |
117 this->drawPosText(draw, it.glyphs(), textLen, it.pos(), 2, | 135 this->drawPosText(localDraw, it.glyphs(), textLen, it.pos(), offset.
y(), |
118 SkPoint::Make(x, y), runPaint); | 136 SkTextBlob::ScalarsPerGlyph(it.positioning()), run
Paint); |
119 break; | 137 break; |
120 default: | 138 default: |
121 SkFAIL("unhandled positioning mode"); | 139 SkFAIL("unhandled positioning mode"); |
122 } | 140 } |
123 | 141 |
124 it.next(); | 142 it.next(); |
125 } | 143 } |
126 } | 144 } |
127 | 145 |
128 bool SkBaseDevice::readPixels(const SkImageInfo& info, void* dstP, size_t rowByt
es, int x, int y) { | 146 bool SkBaseDevice::readPixels(const SkImageInfo& info, void* dstP, size_t rowByt
es, int x, int y) { |
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180 | 198 |
181 void SkBaseDevice::EXPERIMENTAL_optimize(const SkPicture* picture) { | 199 void SkBaseDevice::EXPERIMENTAL_optimize(const SkPicture* picture) { |
182 // The base class doesn't perform any analysis but derived classes may | 200 // The base class doesn't perform any analysis but derived classes may |
183 } | 201 } |
184 | 202 |
185 bool SkBaseDevice::EXPERIMENTAL_drawPicture(SkCanvas*, const SkPicture*, const S
kMatrix*, | 203 bool SkBaseDevice::EXPERIMENTAL_drawPicture(SkCanvas*, const SkPicture*, const S
kMatrix*, |
186 const SkPaint*) { | 204 const SkPaint*) { |
187 // The base class doesn't perform any accelerated picture rendering | 205 // The base class doesn't perform any accelerated picture rendering |
188 return false; | 206 return false; |
189 } | 207 } |
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