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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 #ifndef SkPDFCanon_DEFINED | 7 #ifndef SkPDFCanon_DEFINED |
8 #define SkPDFCanon_DEFINED | 8 #define SkPDFCanon_DEFINED |
9 | 9 |
10 #include "SkPDFShader.h" | 10 #include "SkPDFShader.h" |
11 #include "SkThread.h" | 11 #include "SkThread.h" |
12 #include "SkTDArray.h" | 12 #include "SkTDArray.h" |
13 | 13 |
14 struct SkIRect; | 14 struct SkIRect; |
15 class SkMatrix; | 15 class SkMatrix; |
16 class SkPDFFont; | 16 class SkPDFFont; |
17 class SkPDFGraphicState; | 17 class SkPDFGraphicState; |
18 class SkPaint; | 18 class SkPaint; |
19 class SkShader; | |
20 | 19 |
21 // This class's fields and methods will eventually become part of | 20 // This class's fields and methods will eventually become part of |
22 // SkPDFDocument/SkDocument_PDF. For now, it exists as a singleton to | 21 // SkPDFDocument/SkDocument_PDF. For now, it exists as a singleton to |
23 // preflight that transition. This replaces three global arrays in | 22 // preflight that transition. This replaces three global arrays in |
24 // SkPDFFont, SkPDFShader, and SkPDFGraphicsContext. | 23 // SkPDFFont, SkPDFShader, and SkPDFGraphicsContext. |
25 // | 24 // |
26 // IF YOU ARE LOOKING AT THIS API PLEASE DO NOT WRITE THE CHANGE | 25 // IF YOU ARE LOOKING AT THIS API PLEASE DO NOT WRITE THE CHANGE |
27 // YOU ARE ABOUT TO WRITE WITHOUT TALKING TO HALCANARY@. | 26 // YOU ARE ABOUT TO WRITE WITHOUT TALKING TO HALCANARY@. |
28 // | 27 // |
29 // Note that this class does not create, delete, reference or | 28 // Note that this class does not create, delete, reference or |
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44 | 43 |
45 // Returns exact match if there is one. If not, it returns NULL. | 44 // Returns exact match if there is one. If not, it returns NULL. |
46 // If there is no exact match, but there is a related font, we | 45 // If there is no exact match, but there is a related font, we |
47 // still return NULL, but also set *relatedFont. | 46 // still return NULL, but also set *relatedFont. |
48 SkPDFFont* findFont(uint32_t fontID, | 47 SkPDFFont* findFont(uint32_t fontID, |
49 uint16_t glyphID, | 48 uint16_t glyphID, |
50 SkPDFFont** relatedFont) const; | 49 SkPDFFont** relatedFont) const; |
51 void addFont(SkPDFFont* font, uint32_t fontID, uint16_t fGlyphID); | 50 void addFont(SkPDFFont* font, uint32_t fontID, uint16_t fGlyphID); |
52 void removeFont(SkPDFFont*); | 51 void removeFont(SkPDFFont*); |
53 | 52 |
54 SkPDFShader* findShader(const SkPDFShader::State&) const; | 53 SkPDFFunctionShader* findFunctionShader(const SkPDFShader::State&) const; |
55 void addShader(SkPDFShader*); | 54 void addFunctionShader(SkPDFFunctionShader*); |
56 void removeShader(SkPDFShader*); | 55 void removeFunctionShader(SkPDFFunctionShader*); |
| 56 |
| 57 SkPDFAlphaFunctionShader* findAlphaShader(const SkPDFShader::State&) const; |
| 58 void addAlphaShader(SkPDFAlphaFunctionShader*); |
| 59 void removeAlphaShader(SkPDFAlphaFunctionShader*); |
| 60 |
| 61 SkPDFImageShader* findImageShader(const SkPDFShader::State&) const; |
| 62 void addImageShader(SkPDFImageShader*); |
| 63 void removeImageShader(SkPDFImageShader*); |
57 | 64 |
58 SkPDFGraphicState* findGraphicState(const SkPaint&) const; | 65 SkPDFGraphicState* findGraphicState(const SkPaint&) const; |
59 void addGraphicState(SkPDFGraphicState*); | 66 void addGraphicState(SkPDFGraphicState*); |
60 void removeGraphicState(SkPDFGraphicState*); | 67 void removeGraphicState(SkPDFGraphicState*); |
61 | 68 |
62 private: | 69 private: |
63 struct FontRec { | 70 struct FontRec { |
64 SkPDFFont* fFont; | 71 SkPDFFont* fFont; |
65 uint32_t fFontID; | 72 uint32_t fFontID; |
66 uint16_t fGlyphID; | 73 uint16_t fGlyphID; |
67 }; | 74 }; |
68 SkTDArray<FontRec> fFontRecords; | 75 SkTDArray<FontRec> fFontRecords; |
69 | 76 |
70 SkTDArray<SkPDFShader*> fShaderRecords; | 77 SkTDArray<SkPDFFunctionShader*> fFunctionShaderRecords; |
| 78 |
| 79 SkTDArray<SkPDFAlphaFunctionShader*> fAlphaShaderRecords; |
| 80 |
| 81 SkTDArray<SkPDFImageShader*> fImageShaderRecords; |
71 | 82 |
72 SkTDArray<SkPDFGraphicState*> fGraphicStateRecords; | 83 SkTDArray<SkPDFGraphicState*> fGraphicStateRecords; |
73 }; | 84 }; |
74 #endif // SkPDFCanon_DEFINED | 85 #endif // SkPDFCanon_DEFINED |
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