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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google Inc. All rights reserved. |
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 |
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34 #include <windows.h> | 34 #include <windows.h> |
35 | 35 |
36 #define SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(structName, member) \ | 36 #define SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(structName, member) \ |
37 offsetof(structName, member) + \ | 37 offsetof(structName, member) + \ |
38 (sizeof static_cast<structName*>(0)->member) | 38 (sizeof static_cast<structName*>(0)->member) |
39 #define NONCLIENTMETRICS_SIZE_PRE_VISTA \ | 39 #define NONCLIENTMETRICS_SIZE_PRE_VISTA \ |
40 SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(NONCLIENTMETRICS, lfMessageFont) | 40 SIZEOF_STRUCT_WITH_SPECIFIED_LAST_MEMBER(NONCLIENTMETRICS, lfMessageFont) |
41 | 41 |
42 namespace blink { | 42 namespace blink { |
43 | 43 |
44 static FontDescription& smallSystemFont() | |
45 { | |
46 DEFINE_STATIC_LOCAL(FontDescription, font, ()); | |
47 return font; | |
48 } | |
49 | |
50 static FontDescription& menuFont() | |
51 { | |
52 DEFINE_STATIC_LOCAL(FontDescription, font, ()); | |
53 return font; | |
54 } | |
55 | |
56 static FontDescription& labelFont() | |
57 { | |
58 DEFINE_STATIC_LOCAL(FontDescription, font, ()); | |
59 return font; | |
60 } | |
61 | |
62 // Converts |points| to pixels. One point is 1/72 of an inch. | 44 // Converts |points| to pixels. One point is 1/72 of an inch. |
63 static float pointsToPixels(float points) | 45 static float pointsToPixels(float points) |
64 { | 46 { |
65 static float pixelsPerInch = 0.0f; | 47 static float pixelsPerInch = 0.0f; |
66 if (!pixelsPerInch) { | 48 if (!pixelsPerInch) { |
67 HWndDC hdc(0); // What about printing? Is this the right DC? | 49 HWndDC hdc(0); // What about printing? Is this the right DC? |
68 if (hdc) // Can this ever actually be 0? | 50 if (hdc) // Can this ever actually be 0? |
69 pixelsPerInch = GetDeviceCaps(hdc, LOGPIXELSY); | 51 pixelsPerInch = GetDeviceCaps(hdc, LOGPIXELSY); |
70 else | 52 else |
71 pixelsPerInch = 96.0f; | 53 pixelsPerInch = 96.0f; |
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111 // FIXME: http://b/1119883 Since this is only used for "small caption", | 93 // FIXME: http://b/1119883 Since this is only used for "small caption", |
112 // "menu", and "status bar" objects, I'm not sure how much this even | 94 // "menu", and "status bar" objects, I'm not sure how much this even |
113 // matters. Plus the Gecko patch went in back in 2002, and maybe this | 95 // matters. Plus the Gecko patch went in back in 2002, and maybe this |
114 // isn't even relevant anymore. We should investigate whether this should | 96 // isn't even relevant anymore. We should investigate whether this should |
115 // be removed, or perhaps broadened to be "any CJK locale". | 97 // be removed, or perhaps broadened to be "any CJK locale". |
116 // | 98 // |
117 return ((size < 12.0f) && (GetACP() == 936)) ? 12.0f : size; | 99 return ((size < 12.0f) && (GetACP() == 936)) ? 12.0f : size; |
118 } | 100 } |
119 | 101 |
120 // static | 102 // static |
121 void RenderThemeChromiumFontProvider::systemFont(CSSValueID valueID, FontDescrip
tion& fontDescription) | 103 void RenderThemeChromiumFontProvider::systemFont(CSSValueID systemFontID, FontSt
yle& fontStyle, FontWeight& fontWeight, float& fontSize, AtomicString& fontFamil
y) |
122 { | 104 { |
123 // This logic owes much to RenderThemeSafari.cpp. | 105 fontStyle = FontStyleNormal; |
124 FontDescription* cachedDesc = 0; | 106 fontWeight = FontWeightNormal; |
125 AtomicString faceName; | 107 |
126 float fontSize = 0; | 108 switch (systemFontID) { |
127 switch (valueID) { | 109 case CSSValueSmallCaption: { |
128 case CSSValueSmallCaption: | 110 NONCLIENTMETRICS metrics; |
129 cachedDesc = &smallSystemFont(); | 111 getNonClientMetrics(&metrics); |
130 if (!smallSystemFont().isAbsoluteSize()) { | 112 fontSize = systemFontSize(metrics.lfSmCaptionFont); |
131 NONCLIENTMETRICS metrics; | 113 fontFamily = AtomicString(metrics.lfSmCaptionFont.lfFaceName, wcslen(met
rics.lfSmCaptionFont.lfFaceName)); |
132 getNonClientMetrics(&metrics); | |
133 faceName = AtomicString(metrics.lfSmCaptionFont.lfFaceName, wcslen(m
etrics.lfSmCaptionFont.lfFaceName)); | |
134 fontSize = systemFontSize(metrics.lfSmCaptionFont); | |
135 } | |
136 break; | 114 break; |
137 case CSSValueMenu: | 115 } |
138 cachedDesc = &menuFont(); | 116 case CSSValueMenu: { |
139 if (!menuFont().isAbsoluteSize()) { | 117 NONCLIENTMETRICS metrics; |
140 NONCLIENTMETRICS metrics; | 118 getNonClientMetrics(&metrics); |
141 getNonClientMetrics(&metrics); | 119 fontSize = systemFontSize(metrics.lfMenuFont); |
142 faceName = AtomicString(metrics.lfMenuFont.lfFaceName, wcslen(metric
s.lfMenuFont.lfFaceName)); | 120 fontFamily = AtomicString(metrics.lfMenuFont.lfFaceName, wcslen(metrics.
lfMenuFont.lfFaceName)); |
143 fontSize = systemFontSize(metrics.lfMenuFont); | |
144 } | |
145 break; | 121 break; |
146 case CSSValueStatusBar: | 122 } |
147 cachedDesc = &labelFont(); | 123 case CSSValueStatusBar: { |
148 if (!labelFont().isAbsoluteSize()) { | 124 NONCLIENTMETRICS metrics; |
149 NONCLIENTMETRICS metrics; | 125 getNonClientMetrics(&metrics); |
150 getNonClientMetrics(&metrics); | 126 fontSize = systemFontSize(metrics.lfStatusFont); |
151 faceName = metrics.lfStatusFont.lfFaceName; | 127 fontFamily = metrics.lfStatusFont.lfFaceName; |
152 fontSize = systemFontSize(metrics.lfStatusFont); | |
153 } | |
154 break; | 128 break; |
| 129 } |
155 case CSSValueWebkitMiniControl: | 130 case CSSValueWebkitMiniControl: |
156 case CSSValueWebkitSmallControl: | 131 case CSSValueWebkitSmallControl: |
157 case CSSValueWebkitControl: | 132 case CSSValueWebkitControl: |
158 faceName = defaultGUIFont(); | |
159 // Why 2 points smaller? Because that's what Gecko does. | 133 // Why 2 points smaller? Because that's what Gecko does. |
160 fontSize = s_defaultFontSize - pointsToPixels(2); | 134 fontSize = s_defaultFontSize - pointsToPixels(2); |
| 135 fontFamily = defaultGUIFont(); |
161 break; | 136 break; |
162 default: | 137 default: |
163 faceName = defaultGUIFont(); | |
164 fontSize = s_defaultFontSize; | 138 fontSize = s_defaultFontSize; |
| 139 fontFamily = defaultGUIFont(); |
165 break; | 140 break; |
166 } | 141 } |
167 | |
168 if (!cachedDesc) | |
169 cachedDesc = &fontDescription; | |
170 | |
171 if (fontSize) { | |
172 cachedDesc->firstFamily().setFamily(faceName); | |
173 cachedDesc->setIsAbsoluteSize(true); | |
174 cachedDesc->setGenericFamily(FontDescription::NoFamily); | |
175 cachedDesc->setSpecifiedSize(fontSize); | |
176 cachedDesc->setWeight(FontWeightNormal); | |
177 cachedDesc->setStyle(FontStyleNormal); | |
178 } | |
179 fontDescription = *cachedDesc; | |
180 } | 142 } |
181 | 143 |
182 // static | 144 // static |
183 void RenderThemeChromiumFontProvider::setDefaultFontSize(int fontSize) | 145 void RenderThemeChromiumFontProvider::setDefaultFontSize(int fontSize) |
184 { | 146 { |
185 s_defaultFontSize = static_cast<float>(fontSize); | 147 s_defaultFontSize = static_cast<float>(fontSize); |
186 | |
187 // Reset cached fonts. | |
188 smallSystemFont() = menuFont() = labelFont() = FontDescription(); | |
189 } | 148 } |
190 | 149 |
191 } // namespace blink | 150 } // namespace blink |
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