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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 #ifndef UI_GFX_PANGO_UTIL_H_ | |
| 6 #define UI_GFX_PANGO_UTIL_H_ | |
| 7 | |
| 8 #include <cairo/cairo.h> | |
| 9 #include <pango/pango.h> | |
| 10 | |
| 11 #include "base/i18n/rtl.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/strings/string16.h" | |
| 14 #include "third_party/skia/include/core/SkColor.h" | |
| 15 #include "ui/gfx/gfx_export.h" | |
| 16 | |
| 17 namespace gfx { | |
| 18 | |
| 19 class FontList; | |
| 20 | |
| 21 // Utility class to ensure that PangoFontDescription is freed. | |
| 22 class ScopedPangoFontDescription { | |
| 23 public: | |
| 24 explicit ScopedPangoFontDescription(PangoFontDescription* description) | |
| 25 : description_(description) { | |
| 26 DCHECK(description); | |
| 27 } | |
| 28 | |
| 29 explicit ScopedPangoFontDescription(const std::string& str) | |
| 30 : description_(pango_font_description_from_string(str.c_str())) { | |
| 31 DCHECK(description_); | |
| 32 } | |
| 33 | |
| 34 ~ScopedPangoFontDescription() { | |
| 35 pango_font_description_free(description_); | |
| 36 } | |
| 37 | |
| 38 PangoFontDescription* get() { return description_; } | |
| 39 | |
| 40 private: | |
| 41 PangoFontDescription* description_; | |
| 42 | |
| 43 DISALLOW_COPY_AND_ASSIGN(ScopedPangoFontDescription); | |
| 44 }; | |
| 45 | |
| 46 // ---------------------------------------------------------------------------- | |
| 47 // All other methods in this file are only to be used within the ui/ directory. | |
| 48 // They are shared with internal skia interfaces. | |
| 49 // ---------------------------------------------------------------------------- | |
| 50 | |
| 51 // Configures |layout| for the passed-in parameters. | |
| 52 void SetUpPangoLayout( | |
| 53 PangoLayout* layout, | |
| 54 const base::string16& text, | |
| 55 const FontList& font_list, | |
| 56 base::i18n::TextDirection text_direction, | |
| 57 int flags); | |
| 58 | |
| 59 // Returns the size in pixels for the specified |pango_font|. | |
| 60 int GetPangoFontSizeInPixels(PangoFontDescription* pango_font); | |
| 61 | |
| 62 // Retrieves the Pango metrics for a Pango font description. Caches the metrics | |
| 63 // and never frees them. The metrics objects are relatively small and very | |
| 64 // expensive to look up. | |
| 65 PangoFontMetrics* GetPangoFontMetrics(PangoFontDescription* desc); | |
| 66 | |
| 67 } // namespace gfx | |
| 68 | |
| 69 #endif // UI_GFX_PANGO_UTIL_H_ | |
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Chromium Code Reviews
Issue 854713003:
More old files deletion. (Closed)
Base URL: https://github.com/domokit/mojo.git@master