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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 #include "ui/gfx/font.h"
      6 
      7 #include "base/strings/utf_string_conversions.h"
      8 #include "ui/gfx/platform_font.h"
      9 
     10 namespace gfx {
     11 
     12 ////////////////////////////////////////////////////////////////////////////////
     13 // Font, public:
     14 
     15 Font::Font() : platform_font_(PlatformFont::CreateDefault()) {
     16 }
     17 
     18 Font::Font(const Font& other) : platform_font_(other.platform_font_) {
     19 }
     20 
     21 gfx::Font& Font::operator=(const Font& other) {
     22   platform_font_ = other.platform_font_;
     23   return *this;
     24 }
     25 
     26 Font::Font(NativeFont native_font)
     27     : platform_font_(PlatformFont::CreateFromNativeFont(native_font)) {
     28 }
     29 
     30 Font::Font(PlatformFont* platform_font) : platform_font_(platform_font) {
     31 }
     32 
     33 Font::Font(const std::string& font_name, int font_size)
     34     : platform_font_(PlatformFont::CreateFromNameAndSize(font_name,
     35                                                          font_size)) {
     36 }
     37 
     38 Font::~Font() {
     39 }
     40 
     41 Font Font::DeriveFont(int size_delta) const {
     42   return DeriveFont(size_delta, GetStyle());
     43 }
     44 
     45 Font Font::DeriveFont(int size_delta, int style) const {
     46   return platform_font_->DeriveFont(size_delta, style);
     47 }
     48 
     49 int Font::GetHeight() const {
     50   return platform_font_->GetHeight();
     51 }
     52 
     53 int Font::GetBaseline() const {
     54   return platform_font_->GetBaseline();
     55 }
     56 
     57 int Font::GetCapHeight() const {
     58   return platform_font_->GetCapHeight();
     59 }
     60 
     61 int Font::GetAverageCharacterWidth() const {
     62   return platform_font_->GetAverageCharacterWidth();
     63 }
     64 
     65 int Font::GetStringWidth(const base::string16& text) const {
     66   return platform_font_->GetStringWidth(text);
     67 }
     68 
     69 int Font::GetExpectedTextWidth(int length) const {
     70   return platform_font_->GetExpectedTextWidth(length);
     71 }
     72 
     73 int Font::GetStyle() const {
     74   return platform_font_->GetStyle();
     75 }
     76 
     77 std::string Font::GetFontName() const {
     78   return platform_font_->GetFontName();
     79 }
     80 
     81 std::string Font::GetActualFontNameForTesting() const {
     82   return platform_font_->GetActualFontNameForTesting();
     83 }
     84 
     85 int Font::GetFontSize() const {
     86   return platform_font_->GetFontSize();
     87 }
     88 
     89 NativeFont Font::GetNativeFont() const {
     90   return platform_font_->GetNativeFont();
     91 }
     92 
     93 }  // namespace gfx
     94