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1 /* | 1 /* |
2 * This file is part of the internal font implementation. | 2 * This file is part of the internal font implementation. |
3 * | 3 * |
4 * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. | 4 * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
5 * Copyright (c) 2010 Google Inc. All rights reserved. | 5 * Copyright (c) 2010 Google Inc. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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21 * | 21 * |
22 */ | 22 */ |
23 | 23 |
24 #import "config.h" | 24 #import "config.h" |
25 #import "platform/fonts/FontPlatformData.h" | 25 #import "platform/fonts/FontPlatformData.h" |
26 | 26 |
27 #import <AppKit/NSFont.h> | 27 #import <AppKit/NSFont.h> |
28 #import <AvailabilityMacros.h> | 28 #import <AvailabilityMacros.h> |
29 #import <wtf/text/WTFString.h> | 29 #import <wtf/text/WTFString.h> |
30 | 30 |
31 #include "platform/LayoutTestSupport.h" | |
32 #include "platform/RuntimeEnabledFeatures.h" | |
33 #import "platform/fonts/harfbuzz/HarfBuzzFace.h" | 31 #import "platform/fonts/harfbuzz/HarfBuzzFace.h" |
34 #include "third_party/skia/include/ports/SkTypeface_mac.h" | 32 #include "third_party/skia/include/ports/SkTypeface_mac.h" |
35 | 33 |
36 | |
37 | |
38 namespace blink { | 34 namespace blink { |
39 | 35 |
40 unsigned FontPlatformData::hash() const | 36 unsigned FontPlatformData::hash() const |
41 { | 37 { |
42 ASSERT(m_font || !m_cgFont); | 38 ASSERT(m_font || !m_cgFont); |
43 uintptr_t hashCodes[3] = { (uintptr_t)m_font, m_widthVariant, static_cast<ui
ntptr_t>(m_isHashTableDeletedValue << 3 | m_orientation << 2 | m_syntheticBold <
< 1 | m_syntheticItalic) }; | 39 uintptr_t hashCodes[3] = { (uintptr_t)m_font, m_widthVariant, static_cast<ui
ntptr_t>(m_isHashTableDeletedValue << 3 | m_orientation << 2 | m_syntheticBold <
< 1 | m_syntheticItalic) }; |
44 return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes); | 40 return StringHasher::hashMemory<sizeof(hashCodes)>(hashCodes); |
45 } | 41 } |
46 | 42 |
47 void FontPlatformData::setupPaint(SkPaint* paint, GraphicsContext*) const | |
48 { | |
49 bool shouldSmoothFonts = true; | |
50 bool shouldAntialias = true; | |
51 | |
52 shouldAntialias = shouldAntialias && (!LayoutTestSupport::isRunningLayoutTes
t() | |
53 || LayoutTestSupport::isFontAntialiasingEnabledForTest()); | |
54 bool useSubpixelText = RuntimeEnabledFeatures::subpixelFontScalingEnabled(); | |
55 shouldSmoothFonts = shouldSmoothFonts && !LayoutTestSupport::isRunningLayout
Test(); | |
56 | |
57 paint->setAntiAlias(shouldAntialias); | |
58 paint->setEmbeddedBitmapText(false); | |
59 const float ts = m_textSize >= 0 ? m_textSize : 12; | |
60 paint->setTextSize(SkFloatToScalar(ts)); | |
61 paint->setTypeface(typeface()); | |
62 paint->setFakeBoldText(m_syntheticBold); | |
63 paint->setTextSkewX(m_syntheticItalic ? -SK_Scalar1 / 4 : 0); | |
64 paint->setAutohinted(false); // freetype specific | |
65 paint->setLCDRenderText(shouldSmoothFonts); | |
66 paint->setSubpixelText(useSubpixelText); | |
67 paint->setHinting(SkPaint::kNo_Hinting); | |
68 } | |
69 | |
70 // These CoreText Text Spacing feature selectors are not defined in CoreText. | 43 // These CoreText Text Spacing feature selectors are not defined in CoreText. |
71 enum TextSpacingCTFeatureSelector { TextSpacingProportional, TextSpacingFullWidt
h, TextSpacingHalfWidth, TextSpacingThirdWidth, TextSpacingQuarterWidth }; | 44 enum TextSpacingCTFeatureSelector { TextSpacingProportional, TextSpacingFullWidt
h, TextSpacingHalfWidth, TextSpacingThirdWidth, TextSpacingQuarterWidth }; |
72 | 45 |
73 FontPlatformData::FontPlatformData(NSFont *nsFont, float size, bool syntheticBol
d, bool syntheticItalic, FontOrientation orientation, FontWidthVariant widthVari
ant) | 46 FontPlatformData::FontPlatformData(NSFont *nsFont, float size, bool syntheticBol
d, bool syntheticItalic, FontOrientation orientation, FontWidthVariant widthVari
ant) |
74 : m_textSize(size) | 47 : m_textSize(size) |
75 , m_syntheticBold(syntheticBold) | 48 , m_syntheticBold(syntheticBold) |
76 , m_syntheticItalic(syntheticItalic) | 49 , m_syntheticItalic(syntheticItalic) |
77 , m_orientation(orientation) | 50 , m_orientation(orientation) |
78 , m_isColorBitmapFont(false) | 51 , m_isColorBitmapFont(false) |
79 , m_isCompositeFontReference(false) | 52 , m_isCompositeFontReference(false) |
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284 RetainPtr<CTFontDescriptorRef> newDescriptor(AdoptCF, CTFontDescriptorCr
eateCopyWithFeature(sourceDescriptor.get(), featureType.get(), featureSelector.g
et())); | 257 RetainPtr<CTFontDescriptorRef> newDescriptor(AdoptCF, CTFontDescriptorCr
eateCopyWithFeature(sourceDescriptor.get(), featureType.get(), featureSelector.g
et())); |
285 RetainPtr<CTFontRef> newFont(AdoptCF, CTFontCreateWithFontDescriptor(new
Descriptor.get(), m_textSize, 0)); | 258 RetainPtr<CTFontRef> newFont(AdoptCF, CTFontCreateWithFontDescriptor(new
Descriptor.get(), m_textSize, 0)); |
286 | 259 |
287 if (newFont) | 260 if (newFont) |
288 m_CTFont = newFont; | 261 m_CTFont = newFont; |
289 } | 262 } |
290 | 263 |
291 return m_CTFont.get(); | 264 return m_CTFont.get(); |
292 } | 265 } |
293 | 266 |
| 267 bool FontPlatformData::isAATFont(CTFontRef ctFont) const |
| 268 { |
| 269 CFDataRef table = CTFontCopyTable(ctFont, kCTFontTableMort, 0); |
| 270 if (table) { |
| 271 CFRelease(table); |
| 272 return true; |
| 273 } |
| 274 table = CTFontCopyTable(ctFont, kCTFontTableMorx, 0); |
| 275 if (table) { |
| 276 CFRelease(table); |
| 277 return true; |
| 278 } |
| 279 return false; |
| 280 } |
| 281 |
294 } // namespace blink | 282 } // namespace blink |
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