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1 /* | |
2 * Copyright (c) 2012 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef HarfBuzzFace_h | |
32 #define HarfBuzzFace_h | |
33 | |
34 #include <hb.h> | |
35 | |
36 #include "wtf/HashMap.h" | |
37 #include "wtf/PassRefPtr.h" | |
38 #include "wtf/RefCounted.h" | |
39 #include "wtf/RefPtr.h" | |
40 | |
41 namespace WebCore { | |
42 | |
43 class FontPlatformData; | |
44 | |
45 class HarfBuzzFace : public RefCounted<HarfBuzzFace> { | |
46 public: | |
47 static const hb_tag_t vertTag; | |
48 static const hb_tag_t vrt2Tag; | |
49 | |
50 static PassRefPtr<HarfBuzzFace> create(FontPlatformData* platformData, uint6
4_t uniqueID) | |
51 { | |
52 return adoptRef(new HarfBuzzFace(platformData, uniqueID)); | |
53 } | |
54 ~HarfBuzzFace(); | |
55 | |
56 hb_font_t* createFont(); | |
57 | |
58 void setScriptForVerticalGlyphSubstitution(hb_buffer_t*); | |
59 | |
60 private: | |
61 HarfBuzzFace(FontPlatformData*, uint64_t); | |
62 | |
63 hb_face_t* createFace(); | |
64 | |
65 FontPlatformData* m_platformData; | |
66 uint64_t m_uniqueID; | |
67 hb_face_t* m_face; | |
68 WTF::HashMap<uint32_t, uint16_t>* m_glyphCacheForFaceCacheEntry; | |
69 | |
70 hb_script_t m_scriptForVerticalText; | |
71 }; | |
72 | |
73 } | |
74 | |
75 #endif // HarfBuzzFace_h | |
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