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1 /* | 1 /* |
2 * Copyright (C) 2012 Koji Ishii <kojiishi@gmail.com> | 2 * Copyright (C) 2012 Koji Ishii <kojiishi@gmail.com> |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
23 */ | 23 */ |
24 | 24 |
25 #ifndef OpenTypeVerticalData_h | 25 #ifndef OpenTypeVerticalData_h |
26 #define OpenTypeVerticalData_h | 26 #define OpenTypeVerticalData_h |
27 | 27 |
28 #if ENABLE(OPENTYPE_VERTICAL) | |
29 | |
30 #include "platform/PlatformExport.h" | 28 #include "platform/PlatformExport.h" |
31 #include "platform/fonts/Glyph.h" | 29 #include "platform/fonts/Glyph.h" |
32 #include "wtf/HashMap.h" | 30 #include "wtf/HashMap.h" |
33 #include "wtf/PassRefPtr.h" | 31 #include "wtf/PassRefPtr.h" |
34 #include "wtf/RefCounted.h" | 32 #include "wtf/RefCounted.h" |
35 #include "wtf/Vector.h" | 33 #include "wtf/Vector.h" |
36 | 34 |
37 namespace blink { | 35 namespace blink { |
38 | 36 |
39 class FontPlatformData; | 37 class FontPlatformData; |
40 class GlyphPage; | 38 class GlyphPage; |
41 class SimpleFontData; | 39 class SimpleFontData; |
42 | 40 |
43 class PLATFORM_EXPORT OpenTypeVerticalData : public RefCounted<OpenTypeVerticalD
ata> { | 41 class PLATFORM_EXPORT OpenTypeVerticalData : public RefCounted<OpenTypeVerticalD
ata> { |
44 public: | 42 public: |
45 static PassRefPtr<OpenTypeVerticalData> create(const FontPlatformData& platf
ormData) | 43 static PassRefPtr<OpenTypeVerticalData> create(const FontPlatformData& platf
ormData) |
46 { | 44 { |
47 return adoptRef(new OpenTypeVerticalData(platformData)); | 45 return adoptRef(new OpenTypeVerticalData(platformData)); |
48 } | 46 } |
49 | 47 |
50 bool isOpenType() const { return !m_advanceWidths.isEmpty(); } | 48 bool isOpenType() const { return !m_advanceWidths.isEmpty(); } |
51 bool hasVerticalMetrics() const { return !m_advanceHeights.isEmpty(); } | 49 bool hasVerticalMetrics() const { return !m_advanceHeights.isEmpty(); } |
52 float advanceHeight(const SimpleFontData*, Glyph) const; | 50 float advanceHeight(const SimpleFontData*, Glyph) const; |
53 void getVerticalTranslationsForGlyphs(const SimpleFontData*, const Glyph*, s
ize_t, float* outXYArray) const; | |
54 void substituteWithVerticalGlyphs(const SimpleFontData*, GlyphPage*, unsigne
d offset, unsigned length) const; | |
55 | 51 |
56 bool inFontCache() const { return m_inFontCache; } | 52 bool inFontCache() const { return m_inFontCache; } |
57 void setInFontCache(bool inFontCache) { m_inFontCache = inFontCache; } | 53 void setInFontCache(bool inFontCache) { m_inFontCache = inFontCache; } |
58 | 54 |
| 55 void getVerticalTranslationsForGlyphs(const SimpleFontData*, const Glyph*, s
ize_t, float* outXYArray) const; |
| 56 |
59 private: | 57 private: |
| 58 |
60 explicit OpenTypeVerticalData(const FontPlatformData&); | 59 explicit OpenTypeVerticalData(const FontPlatformData&); |
61 | 60 |
62 void loadMetrics(const FontPlatformData&); | 61 void loadMetrics(const FontPlatformData&); |
63 void loadVerticalGlyphSubstitutions(const FontPlatformData&); | |
64 bool hasVORG() const { return !m_vertOriginY.isEmpty(); } | 62 bool hasVORG() const { return !m_vertOriginY.isEmpty(); } |
65 | 63 |
66 HashMap<Glyph, Glyph> m_verticalGlyphMap; | 64 HashMap<Glyph, Glyph> m_verticalGlyphMap; |
67 Vector<uint16_t> m_advanceWidths; | 65 Vector<uint16_t> m_advanceWidths; |
68 Vector<uint16_t> m_advanceHeights; | 66 Vector<uint16_t> m_advanceHeights; |
69 Vector<int16_t> m_topSideBearings; | 67 Vector<int16_t> m_topSideBearings; |
70 int16_t m_defaultVertOriginY; | 68 int16_t m_defaultVertOriginY; |
71 HashMap<Glyph, int16_t> m_vertOriginY; | 69 HashMap<Glyph, int16_t> m_vertOriginY; |
72 | 70 |
73 bool m_inFontCache; // for mark & sweep in FontCache::purgeInactiveFontData(
) | 71 bool m_inFontCache; // for mark & sweep in FontCache::purgeInactiveFontData(
) |
74 }; | 72 }; |
75 | 73 |
76 } // namespace blink | 74 } // namespace blink |
77 | 75 |
78 #endif // ENABLE(OPENTYPE_VERTICAL) | |
79 | |
80 #endif // OpenTypeVerticalData_h | 76 #endif // OpenTypeVerticalData_h |
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