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1 /* | |
2 * Copyright 2015 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "SkPDFCanon.h" | |
9 #include "SkPDFFont.h" | |
10 #include "SkPDFGraphicState.h" | |
11 #include "SkPDFShader.h" | |
12 | |
13 //////////////////////////////////////////////////////////////////////////////// | |
14 | |
15 SK_DECLARE_STATIC_MUTEX(gSkPDFCanonFontMutex); | |
16 SK_DECLARE_STATIC_MUTEX(gSkPDFCanonShaderMutex); | |
17 SK_DECLARE_STATIC_MUTEX(gSkPDFCanonPaintMutex); | |
18 | |
19 SkBaseMutex& SkPDFCanon::GetFontMutex() { | |
20 return gSkPDFCanonFontMutex; | |
21 } | |
22 SkBaseMutex& SkPDFCanon::GetShaderMutex() { | |
23 return gSkPDFCanonShaderMutex; | |
24 } | |
25 SkBaseMutex& SkPDFCanon::GetPaintMutex() { | |
26 return gSkPDFCanonPaintMutex; | |
27 } | |
28 | |
29 SkPDFCanon* SkPDFCanon::Create() { | |
30 return new SkPDFCanon; | |
31 } | |
32 void SkPDFCanon::Destroy(SkPDFCanon* ptr) { | |
33 delete ptr; | |
34 } | |
35 SkPDFCanon::~SkPDFCanon() { | |
36 } | |
37 SK_DECLARE_STATIC_LAZY_PTR(SkPDFCanon, | |
38 singleton, | |
39 SkPDFCanon::Create, | |
40 SkPDFCanon::Destroy); | |
41 | |
42 SkPDFCanon& SkPDFCanon::GetCanon() { | |
43 return *singleton.get(); | |
44 } | |
45 | |
46 static void assert_mutex_held(SkBaseMutex* mutex) { | |
47 SkDEBUGCODE(if (mutex) { mutex->assertHeld(); }) | |
48 } | |
49 | |
50 SkPDFCanon::SkPDFCanon() | |
51 : fFontMutex(&gSkPDFCanonFontMutex) | |
52 , fShaderMutex(&gSkPDFCanonShaderMutex) | |
53 , fPaintMutex(&gSkPDFCanonPaintMutex) { | |
54 } | |
55 | |
56 //////////////////////////////////////////////////////////////////////////////// | |
57 | |
58 SkPDFFont* SkPDFCanon::findFont(uint32_t fontID, | |
59 uint16_t glyphID, | |
60 SkPDFFont** relatedFontPtr) const { | |
61 assert_mutex_held(fFontMutex); | |
62 SkASSERT(relatedFontPtr); | |
63 | |
64 SkPDFFont* relatedFont = NULL; | |
65 for (int i = 0; i < fFontRecords.count(); ++i) { | |
66 SkPDFFont::Match match = SkPDFFont::IsMatch( | |
67 fFontRecords[i].fFont, fFontRecords[i].fFontID, | |
mtklein
2015/01/20 21:59:51
Might put all these arguments one per line, or at
hal.canary
2015/01/21 17:07:50
Done.
| |
68 fFontRecords[i].fGlyphID, fontID, glyphID); | |
69 if (SkPDFFont::kExact_Match == match) { | |
70 return fFontRecords[i].fFont; | |
71 } else if (!relatedFont && SkPDFFont::kRelated_Match == match) { | |
72 relatedFont = fFontRecords[i].fFont; | |
73 } | |
74 } | |
75 *relatedFontPtr = relatedFont; // May still be NULL. | |
76 return NULL; | |
77 } | |
78 | |
79 void SkPDFCanon::addFont(SkPDFFont* font, uint32_t fontID, uint16_t fGlyphID) { | |
80 assert_mutex_held(fFontMutex); | |
81 SkPDFCanon::FontRec* rec = fFontRecords.push(); | |
82 rec->fFont = font; | |
83 rec->fFontID = fontID; | |
84 rec->fGlyphID = fGlyphID; | |
85 } | |
86 | |
87 void SkPDFCanon::removeFont(SkPDFFont* pdfFont) { | |
88 assert_mutex_held(fFontMutex); | |
89 for (int i = 0; i < fFontRecords.count(); i++) { | |
90 if (fFontRecords[i].fFont == pdfFont) { | |
91 fFontRecords.removeShuffle(i); | |
92 return; | |
93 } | |
94 } | |
95 } | |
96 | |
97 //////////////////////////////////////////////////////////////////////////////// | |
98 | |
99 SkPDFShader* SkPDFCanon::findShader(const SkPDFShaderState& state) const { | |
100 assert_mutex_held(fShaderMutex); | |
101 for (int i = 0; i < fShaderRecords.count(); ++i) { | |
102 if (fShaderRecords[i]->equals(state)) { | |
103 return fShaderRecords[i]; | |
104 } | |
105 } | |
106 return NULL; | |
107 } | |
108 | |
109 void SkPDFCanon::addShader(SkPDFShader* shader) { | |
110 assert_mutex_held(fShaderMutex); | |
111 SkASSERT(shader); | |
112 fShaderRecords.push(shader); | |
113 } | |
114 | |
115 void SkPDFCanon::removeShader(SkPDFShader* pdfShader) { | |
116 assert_mutex_held(fShaderMutex); | |
117 for (int i = 0; i < fShaderRecords.count(); ++i) { | |
118 if (fShaderRecords[i] == pdfShader) { | |
119 fShaderRecords.removeShuffle(i); | |
120 return; | |
121 } | |
122 } | |
123 SkDEBUGFAIL("pdfShader not found"); | |
124 } | |
125 | |
126 //////////////////////////////////////////////////////////////////////////////// | |
127 | |
128 SkPDFGraphicState* SkPDFCanon::findGraphicState(const SkPaint& paint) const { | |
129 assert_mutex_held(fPaintMutex); | |
130 for (int i = 0; i < fGraphicStateRecords.count(); ++i) { | |
131 if (fGraphicStateRecords[i]->equals(paint)) { | |
132 return fGraphicStateRecords[i]; | |
133 } | |
134 } | |
135 return NULL; | |
136 } | |
137 | |
138 void SkPDFCanon::addGraphicState(SkPDFGraphicState* state) { | |
139 assert_mutex_held(fPaintMutex); | |
140 SkASSERT(state); | |
141 fGraphicStateRecords.push(state); | |
142 } | |
143 | |
144 void SkPDFCanon::removeGraphicState(SkPDFGraphicState* pdfGraphicState) { | |
145 assert_mutex_held(fPaintMutex); | |
146 for (int i = 0; i < fGraphicStateRecords.count(); ++i) { | |
147 if (fGraphicStateRecords[i] == pdfGraphicState) { | |
148 fGraphicStateRecords.removeShuffle(i); | |
149 return; | |
150 } | |
151 } | |
152 SkDEBUGFAIL("pdfGraphicState not found"); | |
153 } | |
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