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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gfx/platform_font_pango.h" | 5 #include "ui/gfx/platform_font_pango.h" |
6 | 6 |
7 #include <fontconfig/fontconfig.h> | 7 #include <fontconfig/fontconfig.h> |
8 #include <pango/pango.h> | 8 #include <pango/pango.h> |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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87 if (!description || !description->get()) | 87 if (!description || !description->get()) |
88 description.reset(new ScopedPangoFontDescription("sans 10")); | 88 description.reset(new ScopedPangoFontDescription("sans 10")); |
89 default_font_ = new Font(description->get()); | 89 default_font_ = new Font(description->get()); |
90 } | 90 } |
91 | 91 |
92 InitFromPlatformFont( | 92 InitFromPlatformFont( |
93 static_cast<PlatformFontPango*>(default_font_->platform_font())); | 93 static_cast<PlatformFontPango*>(default_font_->platform_font())); |
94 } | 94 } |
95 | 95 |
96 PlatformFontPango::PlatformFontPango(NativeFont native_font) { | 96 PlatformFontPango::PlatformFontPango(NativeFont native_font) { |
97 std::string font_family; | |
98 std::vector<std::string> family_names; | |
99 base::SplitString(pango_font_description_get_family(native_font), ',', | |
100 &family_names); | |
101 | |
97 const int pango_size = | 102 const int pango_size = |
98 pango_font_description_get_size(native_font) / PANGO_SCALE; | 103 pango_font_description_get_size(native_font) / PANGO_SCALE; |
99 const bool pango_using_pixels = | 104 const bool pango_using_pixels = |
100 pango_font_description_get_size_is_absolute(native_font); | 105 pango_font_description_get_size_is_absolute(native_font); |
101 | 106 |
102 std::string font_family; | |
103 std::vector<std::string> family_names; | |
104 base::SplitString(pango_font_description_get_family(native_font), ',', | |
105 &family_names); | |
106 const FontRenderParams params = GetCustomFontRenderParams( | |
107 false, &family_names, | |
108 pango_using_pixels ? &pango_size : NULL /* pixel_size */, | |
109 !pango_using_pixels ? &pango_size : NULL /* point_size */, | |
110 &font_family); | |
111 | |
112 int style = 0; | 107 int style = 0; |
113 // TODO(davemoore) What should we do about other weights? We currently only | 108 // TODO(davemoore) What should we do about other weights? We currently only |
114 // support BOLD. | 109 // support BOLD. |
115 if (pango_font_description_get_weight(native_font) == PANGO_WEIGHT_BOLD) | 110 if (pango_font_description_get_weight(native_font) == PANGO_WEIGHT_BOLD) |
116 style |= gfx::Font::BOLD; | 111 style |= gfx::Font::BOLD; |
117 // TODO(davemoore) What about PANGO_STYLE_OBLIQUE? | 112 // TODO(davemoore) What about PANGO_STYLE_OBLIQUE? |
118 if (pango_font_description_get_style(native_font) == PANGO_STYLE_ITALIC) | 113 if (pango_font_description_get_style(native_font) == PANGO_STYLE_ITALIC) |
119 style |= gfx::Font::ITALIC; | 114 style |= gfx::Font::ITALIC; |
120 | 115 |
116 const FontRenderParams params = GetCustomFontRenderParams( | |
117 false, &family_names, | |
118 pango_using_pixels ? &pango_size : NULL /* pixel_size */, | |
119 !pango_using_pixels ? &pango_size : NULL /* point_size */, | |
120 &style, &font_family); | |
121 | |
121 InitFromDetails(skia::RefPtr<SkTypeface>(), font_family, | 122 InitFromDetails(skia::RefPtr<SkTypeface>(), font_family, |
122 gfx::GetPangoFontSizeInPixels(native_font), style, params); | 123 gfx::GetPangoFontSizeInPixels(native_font), style, params); |
123 } | 124 } |
124 | 125 |
125 PlatformFontPango::PlatformFontPango(const std::string& font_name, | 126 PlatformFontPango::PlatformFontPango(const std::string& font_name, |
126 int font_size_pixels) { | 127 int font_size_pixels) { |
127 const std::vector<std::string> font_list(1, font_name); | 128 const std::vector<std::string> font_list(1, font_name); |
129 const int style = Font::NORMAL; | |
128 const FontRenderParams params = GetCustomFontRenderParams( | 130 const FontRenderParams params = GetCustomFontRenderParams( |
129 false, &font_list, &font_size_pixels, NULL, NULL); | 131 false, &font_list, &font_size_pixels, NULL, &style, NULL); |
130 InitFromDetails(skia::RefPtr<SkTypeface>(), font_name, font_size_pixels, | 132 InitFromDetails(skia::RefPtr<SkTypeface>(), font_name, font_size_pixels, |
131 SkTypeface::kNormal, params); | 133 style, params); |
Daniel Erat
2014/07/19 01:34:44
this was a bug, but luckily both enums use 0 for "
msw
2014/07/19 03:11:52
Acknowledged; thanks for fixing it.
| |
132 } | 134 } |
133 | 135 |
134 double PlatformFontPango::underline_position() const { | 136 double PlatformFontPango::underline_position() const { |
135 const_cast<PlatformFontPango*>(this)->InitPangoMetrics(); | 137 const_cast<PlatformFontPango*>(this)->InitPangoMetrics(); |
136 return underline_position_pixels_; | 138 return underline_position_pixels_; |
137 } | 139 } |
138 | 140 |
139 double PlatformFontPango::underline_thickness() const { | 141 double PlatformFontPango::underline_thickness() const { |
140 const_cast<PlatformFontPango*>(this)->InitPangoMetrics(); | 142 const_cast<PlatformFontPango*>(this)->InitPangoMetrics(); |
141 return underline_thickness_pixels_; | 143 return underline_thickness_pixels_; |
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162 | 164 |
163 Font PlatformFontPango::DeriveFont(int size_delta, int style) const { | 165 Font PlatformFontPango::DeriveFont(int size_delta, int style) const { |
164 const int new_size = font_size_pixels_ + size_delta; | 166 const int new_size = font_size_pixels_ + size_delta; |
165 DCHECK_GT(new_size, 0); | 167 DCHECK_GT(new_size, 0); |
166 | 168 |
167 // If the style changed, we may need to load a new face. | 169 // If the style changed, we may need to load a new face. |
168 std::string new_family = font_family_; | 170 std::string new_family = font_family_; |
169 skia::RefPtr<SkTypeface> typeface = | 171 skia::RefPtr<SkTypeface> typeface = |
170 (style == style_) ? typeface_ : CreateSkTypeface(style, &new_family); | 172 (style == style_) ? typeface_ : CreateSkTypeface(style, &new_family); |
171 | 173 |
172 // If the size or family changed, get updated rendering settings. | 174 const std::vector<std::string> family_list(1, new_family); |
173 FontRenderParams render_params = font_render_params_; | 175 const FontRenderParams render_params = GetCustomFontRenderParams( |
174 if (size_delta != 0 || new_family != font_family_) { | 176 false, &family_list, &new_size, NULL, &style, NULL); |
175 const std::vector<std::string> family_list(1, new_family); | |
176 render_params = GetCustomFontRenderParams( | |
177 false, &family_list, &new_size, NULL, NULL); | |
178 } | |
179 | 177 |
180 return Font(new PlatformFontPango(typeface, | 178 return Font(new PlatformFontPango(typeface, |
181 new_family, | 179 new_family, |
182 new_size, | 180 new_size, |
183 style, | 181 style, |
184 render_params)); | 182 render_params)); |
185 } | 183 } |
186 | 184 |
187 int PlatformFontPango::GetHeight() const { | 185 int PlatformFontPango::GetHeight() const { |
188 return height_pixels_; | 186 return height_pixels_; |
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372 return new PlatformFontPango(native_font); | 370 return new PlatformFontPango(native_font); |
373 } | 371 } |
374 | 372 |
375 // static | 373 // static |
376 PlatformFont* PlatformFont::CreateFromNameAndSize(const std::string& font_name, | 374 PlatformFont* PlatformFont::CreateFromNameAndSize(const std::string& font_name, |
377 int font_size) { | 375 int font_size) { |
378 return new PlatformFontPango(font_name, font_size); | 376 return new PlatformFontPango(font_name, font_size); |
379 } | 377 } |
380 | 378 |
381 } // namespace gfx | 379 } // namespace gfx |
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