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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/pango_util.h" | 5 #include "ui/gfx/pango_util.h" |
6 | 6 |
7 #include <cairo/cairo.h> | 7 #include <cairo/cairo.h> |
8 #include <fontconfig/fontconfig.h> | 8 #include <fontconfig/fontconfig.h> |
9 #include <pango/pango.h> | 9 #include <pango/pango.h> |
10 #include <pango/pangocairo.h> | 10 #include <pango/pangocairo.h> |
11 #include <string> | 11 #include <string> |
12 | 12 |
13 #include <algorithm> | 13 #include <algorithm> |
14 #include <map> | 14 #include <map> |
15 #include <vector> | 15 #include <vector> |
16 | 16 |
17 #include "base/logging.h" | 17 #include "base/logging.h" |
18 #include "base/strings/utf_string_conversions.h" | 18 #include "base/strings/utf_string_conversions.h" |
19 #include "ui/gfx/canvas.h" | 19 #include "ui/gfx/canvas.h" |
20 #include "ui/gfx/font.h" | 20 #include "ui/gfx/font.h" |
21 #include "ui/gfx/font_render_params_linux.h" | 21 #include "ui/gfx/font_render_params_linux.h" |
22 #include "ui/gfx/platform_font_pango.h" | 22 #include "ui/gfx/platform_font_pango.h" |
23 #include "ui/gfx/rect.h" | 23 #include "ui/gfx/rect.h" |
24 #include "ui/gfx/text_utils.h" | 24 #include "ui/gfx/text_utils.h" |
25 | 25 |
26 #if defined(TOOLKIT_GTK) | |
27 #include <gdk/gdk.h> | |
28 #endif | |
29 | |
30 namespace gfx { | 26 namespace gfx { |
31 | 27 |
32 namespace { | 28 namespace { |
33 | 29 |
34 // Marker for accelerators in the text. | 30 // Marker for accelerators in the text. |
35 const gunichar kAcceleratorChar = '&'; | 31 const gunichar kAcceleratorChar = '&'; |
36 | 32 |
37 // Return |cairo_font_options|. If needed, allocate and update it. | 33 // Return |cairo_font_options|. If needed, allocate and update it. |
38 // TODO(derat): Return font-specific options: http://crbug.com/125235 | 34 // TODO(derat): Return font-specific options: http://crbug.com/125235 |
39 cairo_font_options_t* GetCairoFontOptions() { | 35 cairo_font_options_t* GetCairoFontOptions() { |
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109 pixels_in_point = pango_dpi / 72.0; // 72 points in an inch | 105 pixels_in_point = pango_dpi / 72.0; // 72 points in an inch |
110 determined_value = true; | 106 determined_value = true; |
111 } | 107 } |
112 | 108 |
113 return pixels_in_point; | 109 return pixels_in_point; |
114 } | 110 } |
115 | 111 |
116 } // namespace | 112 } // namespace |
117 | 113 |
118 PangoContext* GetPangoContext() { | 114 PangoContext* GetPangoContext() { |
119 #if defined(TOOLKIT_GTK) | |
120 return gdk_pango_context_get(); | |
121 #else | |
122 PangoFontMap* font_map = pango_cairo_font_map_get_default(); | 115 PangoFontMap* font_map = pango_cairo_font_map_get_default(); |
123 return pango_font_map_create_context(font_map); | 116 return pango_font_map_create_context(font_map); |
124 #endif | |
125 } | 117 } |
126 | 118 |
127 double GetPangoResolution() { | 119 double GetPangoResolution() { |
128 static double resolution; | 120 static double resolution; |
129 static bool determined_resolution = false; | 121 static bool determined_resolution = false; |
130 if (!determined_resolution) { | 122 if (!determined_resolution) { |
131 determined_resolution = true; | 123 determined_resolution = true; |
132 PangoContext* default_context = GetPangoContext(); | 124 PangoContext* default_context = GetPangoContext(); |
133 resolution = pango_cairo_context_get_resolution(default_context); | 125 resolution = pango_cairo_context_get_resolution(default_context); |
134 g_object_unref(default_context); | 126 g_object_unref(default_context); |
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295 | 287 |
296 if (i == desc_to_metrics->end()) { | 288 if (i == desc_to_metrics->end()) { |
297 PangoFontMetrics* metrics = pango_context_get_metrics(context, desc, NULL); | 289 PangoFontMetrics* metrics = pango_context_get_metrics(context, desc, NULL); |
298 desc_to_metrics->insert(std::make_pair(desc_hash, metrics)); | 290 desc_to_metrics->insert(std::make_pair(desc_hash, metrics)); |
299 return metrics; | 291 return metrics; |
300 } | 292 } |
301 return i->second; | 293 return i->second; |
302 } | 294 } |
303 | 295 |
304 } // namespace gfx | 296 } // namespace gfx |
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