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1 /* | 1 /* |
2 * Copyright (C) 2005, 2008, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2005, 2008, 2010 Apple Inc. All rights reserved. |
3 * Copyright (C) 2006 Alexey Proskuryakov | 3 * Copyright (C) 2006 Alexey Proskuryakov |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * | 8 * |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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50 | 50 |
51 #if OS(LINUX) || OS(ANDROID) | 51 #if OS(LINUX) || OS(ANDROID) |
52 // This is the largest VDMX table which we'll try to load and parse. | 52 // This is the largest VDMX table which we'll try to load and parse. |
53 static const size_t maxVDMXTableSize = 1024 * 1024; // 1 MB | 53 static const size_t maxVDMXTableSize = 1024 * 1024; // 1 MB |
54 #endif | 54 #endif |
55 | 55 |
56 SimpleFontData::SimpleFontData(const FontPlatformData& platformData, PassRefPtr<
CustomFontData> customData, bool isTextOrientationFallback) | 56 SimpleFontData::SimpleFontData(const FontPlatformData& platformData, PassRefPtr<
CustomFontData> customData, bool isTextOrientationFallback) |
57 : m_maxCharWidth(-1) | 57 : m_maxCharWidth(-1) |
58 , m_avgCharWidth(-1) | 58 , m_avgCharWidth(-1) |
59 , m_platformData(platformData) | 59 , m_platformData(platformData) |
60 , m_treatAsFixedPitch(false) | 60 , m_pitch(UnknownPitchFont) |
61 , m_isTextOrientationFallback(isTextOrientationFallback) | 61 , m_isTextOrientationFallback(isTextOrientationFallback) |
62 , m_isBrokenIdeographFallback(false) | 62 , m_isBrokenIdeographFallback(false) |
63 , m_verticalData(nullptr) | 63 , m_verticalData(nullptr) |
64 , m_hasVerticalGlyphs(false) | 64 , m_hasVerticalGlyphs(false) |
65 , m_customFontData(customData) | 65 , m_customFontData(customData) |
66 { | 66 { |
67 platformInit(); | 67 platformInit(); |
68 platformGlyphInit(); | 68 platformGlyphInit(); |
69 if (platformData.orientation() == Vertical && !isTextOrientationFallback) { | 69 if (platformData.orientation() == Vertical && !isTextOrientationFallback) { |
70 m_verticalData = platformData.verticalData(); | 70 m_verticalData = platformData.verticalData(); |
71 m_hasVerticalGlyphs = m_verticalData.get() && m_verticalData->hasVertica
lMetrics(); | 71 m_hasVerticalGlyphs = m_verticalData.get() && m_verticalData->hasVertica
lMetrics(); |
72 } | 72 } |
73 } | 73 } |
74 | 74 |
75 SimpleFontData::SimpleFontData(PassRefPtr<CustomFontData> customData, float font
Size, bool syntheticBold, bool syntheticItalic) | 75 SimpleFontData::SimpleFontData(PassRefPtr<CustomFontData> customData, float font
Size, bool syntheticBold, bool syntheticItalic) |
76 : m_platformData(FontPlatformData(fontSize, syntheticBold, syntheticItalic)) | 76 : m_platformData(FontPlatformData(fontSize, syntheticBold, syntheticItalic)) |
77 , m_treatAsFixedPitch(false) | 77 , m_pitch(UnknownPitchFont) |
78 , m_isTextOrientationFallback(false) | 78 , m_isTextOrientationFallback(false) |
79 , m_isBrokenIdeographFallback(false) | 79 , m_isBrokenIdeographFallback(false) |
80 , m_verticalData(nullptr) | 80 , m_verticalData(nullptr) |
81 , m_hasVerticalGlyphs(false) | 81 , m_hasVerticalGlyphs(false) |
82 , m_customFontData(customData) | 82 , m_customFontData(customData) |
83 { | 83 { |
84 if (m_customFontData) | 84 if (m_customFontData) |
85 m_customFontData->initializeFontData(this, fontSize); | 85 m_customFontData->initializeFontData(this, fontSize); |
86 } | 86 } |
87 | 87 |
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392 } | 392 } |
393 | 393 |
394 PassRefPtr<SimpleFontData> SimpleFontData::platformCreateScaledFontData(const Fo
ntDescription& fontDescription, float scaleFactor) const | 394 PassRefPtr<SimpleFontData> SimpleFontData::platformCreateScaledFontData(const Fo
ntDescription& fontDescription, float scaleFactor) const |
395 { | 395 { |
396 const float scaledSize = lroundf(fontDescription.computedSize() * scaleFacto
r); | 396 const float scaledSize = lroundf(fontDescription.computedSize() * scaleFacto
r); |
397 return SimpleFontData::create(FontPlatformData(m_platformData, scaledSize),
isCustomFont() ? CustomFontData::create() : nullptr); | 397 return SimpleFontData::create(FontPlatformData(m_platformData, scaledSize),
isCustomFont() ? CustomFontData::create() : nullptr); |
398 } | 398 } |
399 | 399 |
400 void SimpleFontData::determinePitch() | 400 void SimpleFontData::determinePitch() |
401 { | 401 { |
402 m_treatAsFixedPitch = platformData().isFixedPitch(); | 402 m_pitch = platformData().isFixedPitch() ? FixedPitchFont : VariablePitchFont
; |
403 } | 403 } |
404 | 404 |
405 static inline void getSkiaBoundsForGlyph(SkPaint& paint, Glyph glyph, SkRect& bo
unds) | 405 static inline void getSkiaBoundsForGlyph(SkPaint& paint, Glyph glyph, SkRect& bo
unds) |
406 { | 406 { |
407 paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); | 407 paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
408 | 408 |
409 SkPath path; | 409 SkPath path; |
410 paint.getTextPath(&glyph, sizeof(glyph), 0, 0, &path); | 410 paint.getTextPath(&glyph, sizeof(glyph), 0, 0, &path); |
411 bounds = path.getBounds(); | 411 bounds = path.getBounds(); |
412 | 412 |
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498 if (glyphs[i]) { | 498 if (glyphs[i]) { |
499 pageToFill->setGlyphDataForIndex(offset + i, glyphs[i], this); | 499 pageToFill->setGlyphDataForIndex(offset + i, glyphs[i], this); |
500 haveGlyphs = true; | 500 haveGlyphs = true; |
501 } | 501 } |
502 } | 502 } |
503 | 503 |
504 return haveGlyphs; | 504 return haveGlyphs; |
505 } | 505 } |
506 | 506 |
507 } // namespace blink | 507 } // namespace blink |
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