content/renderer/render_view_linux.cc - Issue 10544103: Chromium change of sharing some WebKit API between Android/Linux.

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Issue 10544103: Chromium change of sharing some WebKit API between Android/Linux. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: update Created 8 years, 6 months ago

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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "content/renderer/render_view_impl.h"

6

7 #include "content/public/common/renderer_preferences.h"

8 #include "third_party/WebKit/Source/WebKit/chromium/public/linux/WebFontInfo.h"

9 #include "third_party/WebKit/Source/WebKit/chromium/public/linux/WebFontRenderin g.h"

10

11 using WebKit::WebFontInfo;

12 using WebKit::WebFontRendering;

13

14 static SkPaint::Hinting RendererPreferencesToSkiaHinting(

15 const content::RendererPreferences& prefs) {

16 if (!prefs.should_antialias_text) {

17 // When anti-aliasing is off, GTK maps all non-zero hinting settings to

18 // 'Normal' hinting so we do the same. Otherwise, folks who have 'Slight'

19 // hinting selected will see readable text in everything expect Chromium.

20 switch (prefs.hinting) {

21 case content::RENDERER_PREFERENCES_HINTING_NONE:

22 return SkPaint::kNo_Hinting;

23 case content::RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT:

24 case content::RENDERER_PREFERENCES_HINTING_SLIGHT:

25 case content::RENDERER_PREFERENCES_HINTING_MEDIUM:

26 case content::RENDERER_PREFERENCES_HINTING_FULL:

27 return SkPaint::kNormal_Hinting;

28 default:

29 NOTREACHED();

30 return SkPaint::kNormal_Hinting;

31 }

32 }

33

34 switch (prefs.hinting) {

35 case content::RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT:

36 return SkPaint::kNormal_Hinting;

37 case content::RENDERER_PREFERENCES_HINTING_NONE:

38 return SkPaint::kNo_Hinting;

39 case content::RENDERER_PREFERENCES_HINTING_SLIGHT:

40 return SkPaint::kSlight_Hinting;

41 case content::RENDERER_PREFERENCES_HINTING_MEDIUM:

42 return SkPaint::kNormal_Hinting;

43 case content::RENDERER_PREFERENCES_HINTING_FULL:

44 return SkPaint::kFull_Hinting;

45 default:

46 NOTREACHED();

47 return SkPaint::kNormal_Hinting;

48 }

49 }

50

51 static SkFontHost::LCDOrder RendererPreferencesToSkiaLCDOrder(

52 content::RendererPreferencesSubpixelRenderingEnum subpixel) {

53 switch (subpixel) {

54 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT:

55 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE:

56 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB:

57 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB:

58 return SkFontHost::kRGB_LCDOrder;

59 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR:

60 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR:

61 return SkFontHost::kBGR_LCDOrder;

62 default:

63 NOTREACHED();

64 return SkFontHost::kRGB_LCDOrder;

65 }

66 }

67

68 static SkFontHost::LCDOrientation

69 RendererPreferencesToSkiaLCDOrientation(

70 content::RendererPreferencesSubpixelRenderingEnum subpixel) {

71 switch (subpixel) {

72 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT:

73 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE:

74 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB:

75 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR:

76 return SkFontHost::kHorizontal_LCDOrientation;

77 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB:

78 case content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR:

79 return SkFontHost::kVertical_LCDOrientation;

80 default:

81 NOTREACHED();

82 return SkFontHost::kHorizontal_LCDOrientation;

83 }

84 }

85

86 static bool RendererPreferencesToAntiAliasFlag(

87 const content::RendererPreferences& prefs) {

88 return prefs.should_antialias_text;

89 }

90

91 static bool RendererPreferencesToSubpixelRenderingFlag(

92 const content::RendererPreferences& prefs) {

93 if (prefs.subpixel_rendering !=

94 content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT &&

95 prefs.subpixel_rendering !=

96 content::RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE) {

97 return true;

98 }

99 return false;

100 }

101

102 void RenderViewImpl::UpdateFontRenderingFromRendererPrefs() {

103 const content::RendererPreferences& prefs = renderer_preferences_;

104 WebFontRendering::setHinting(RendererPreferencesToSkiaHinting(prefs));

105 WebFontRendering::setLCDOrder(

106 RendererPreferencesToSkiaLCDOrder(prefs.subpixel_rendering));

107 WebFontRendering::setLCDOrientation(

108 RendererPreferencesToSkiaLCDOrientation(prefs.subpixel_rendering));

109 WebFontRendering::setAntiAlias(RendererPreferencesToAntiAliasFlag(prefs));

110 WebFontRendering::setSubpixelRendering(

111 RendererPreferencesToSubpixelRenderingFlag(prefs));

112 WebFontRendering::setSubpixelPositioning(prefs.use_subpixel_positioning);

113 WebFontInfo::setSubpixelPositioning(prefs.use_subpixel_positioning);

114 }

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