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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> |
| 11 #include <string> | 11 #include <string> |
| 12 | 12 |
| 13 #include "base/logging.h" | 13 #include "base/logging.h" |
| 14 #include "base/strings/string_piece.h" | 14 #include "base/strings/string_piece.h" |
| 15 #include "base/strings/string_split.h" | 15 #include "base/strings/string_split.h" |
| 16 #include "base/strings/utf_string_conversions.h" | 16 #include "base/strings/utf_string_conversions.h" |
| 17 #include "third_party/skia/include/core/SkPaint.h" | 17 #include "third_party/skia/include/core/SkPaint.h" |
| 18 #include "third_party/skia/include/core/SkString.h" |
| 18 #include "third_party/skia/include/core/SkTypeface.h" | 19 #include "third_party/skia/include/core/SkTypeface.h" |
| 19 #include "ui/gfx/canvas.h" | 20 #include "ui/gfx/canvas.h" |
| 20 #include "ui/gfx/font.h" | 21 #include "ui/gfx/font.h" |
| 21 #include "ui/gfx/pango_util.h" | 22 #include "ui/gfx/pango_util.h" |
| 22 | 23 |
| 23 #if defined(TOOLKIT_GTK) | 24 #if defined(TOOLKIT_GTK) |
| 24 #include <gdk/gdk.h> | 25 #include <gdk/gdk.h> |
| 25 #include <gtk/gtk.h> | 26 #include <gtk/gtk.h> |
| 26 #endif | 27 #endif |
| 27 | 28 |
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| 208 } | 209 } |
| 209 | 210 |
| 210 int PlatformFontPango::GetStyle() const { | 211 int PlatformFontPango::GetStyle() const { |
| 211 return style_; | 212 return style_; |
| 212 } | 213 } |
| 213 | 214 |
| 214 std::string PlatformFontPango::GetFontName() const { | 215 std::string PlatformFontPango::GetFontName() const { |
| 215 return font_family_; | 216 return font_family_; |
| 216 } | 217 } |
| 217 | 218 |
| 219 std::string PlatformFontPango::GetActualFontNameForTesting() const { |
| 220 SkString family_name; |
| 221 typeface_->getFamilyName(&family_name); |
| 222 return family_name.c_str(); |
| 223 } |
| 224 |
| 218 int PlatformFontPango::GetFontSize() const { | 225 int PlatformFontPango::GetFontSize() const { |
| 219 return font_size_pixels_; | 226 return font_size_pixels_; |
| 220 } | 227 } |
| 221 | 228 |
| 222 NativeFont PlatformFontPango::GetNativeFont() const { | 229 NativeFont PlatformFontPango::GetNativeFont() const { |
| 223 PangoFontDescription* pfd = pango_font_description_new(); | 230 PangoFontDescription* pfd = pango_font_description_new(); |
| 224 pango_font_description_set_family(pfd, GetFontName().c_str()); | 231 pango_font_description_set_family(pfd, GetFontName().c_str()); |
| 225 // Set the absolute size to avoid overflowing UI elements. | 232 // Set the absolute size to avoid overflowing UI elements. |
| 226 // pango_font_description_set_absolute_size() takes a size in Pango units. | 233 // pango_font_description_set_absolute_size() takes a size in Pango units. |
| 227 // There are PANGO_SCALE Pango units in one device unit. Screen output | 234 // There are PANGO_SCALE Pango units in one device unit. Screen output |
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| 286 #endif // !defined(TOOLKIT_GTK) | 293 #endif // !defined(TOOLKIT_GTK) |
| 287 } | 294 } |
| 288 | 295 |
| 289 | 296 |
| 290 void PlatformFontPango::InitWithNameAndSize(const std::string& font_name, | 297 void PlatformFontPango::InitWithNameAndSize(const std::string& font_name, |
| 291 int font_size) { | 298 int font_size) { |
| 292 DCHECK_GT(font_size, 0); | 299 DCHECK_GT(font_size, 0); |
| 293 std::string fallback; | 300 std::string fallback; |
| 294 | 301 |
| 295 skia::RefPtr<SkTypeface> typeface = skia::AdoptRef( | 302 skia::RefPtr<SkTypeface> typeface = skia::AdoptRef( |
| 296 SkTypeface::CreateFromName(font_name.c_str(), SkTypeface::kNormal)); | 303 SkTypeface::CreateFromName(font_name.c_str(), SkTypeface::kNormal)); |
| 297 if (!typeface) { | 304 if (!typeface) { |
| 298 // A non-scalable font such as .pcf is specified. Falls back to a default | 305 // A non-scalable font such as .pcf is specified. Falls back to a default |
| 299 // scalable font. | 306 // scalable font. |
| 300 typeface = skia::AdoptRef( | 307 typeface = skia::AdoptRef( |
| 301 SkTypeface::CreateFromName( | 308 SkTypeface::CreateFromName( |
| 302 kFallbackFontFamilyName, SkTypeface::kNormal)); | 309 kFallbackFontFamilyName, SkTypeface::kNormal)); |
| 303 CHECK(typeface) << "Could not find any font: " | 310 CHECK(typeface) << "Could not find any font: " |
| 304 << font_name | 311 << font_name |
| 305 << ", " << kFallbackFontFamilyName; | 312 << ", " << kFallbackFontFamilyName; |
| 306 fallback = kFallbackFontFamilyName; | 313 fallback = kFallbackFontFamilyName; |
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| 409 return new PlatformFontPango(native_font); | 416 return new PlatformFontPango(native_font); |
| 410 } | 417 } |
| 411 | 418 |
| 412 // static | 419 // static |
| 413 PlatformFont* PlatformFont::CreateFromNameAndSize(const std::string& font_name, | 420 PlatformFont* PlatformFont::CreateFromNameAndSize(const std::string& font_name, |
| 414 int font_size) { | 421 int font_size) { |
| 415 return new PlatformFontPango(font_name, font_size); | 422 return new PlatformFontPango(font_name, font_size); |
| 416 } | 423 } |
| 417 | 424 |
| 418 } // namespace gfx | 425 } // namespace gfx |
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