More old files deletion.

ui/gfx/font_list_impl.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef UI_GFX_FONT_LIST_IMPL_H_
-#define UI_GFX_FONT_LIST_IMPL_H_
-
-#include <string>
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-
-namespace gfx {
-
-class Font;
-
-// FontListImpl is designed to provide the implementation of FontList and
-// intended to be used only from FontList.  You must not use this class
-// directly.
-//
-// FontListImpl represents a list of fonts either in the form of Font vector or
-// in the form of a string representing font names, styles, and size.
-//
-// FontListImpl could be initialized either way without conversion to the other
-// form. The conversion to the other form is done only when asked to get the
-// other form.
-//
-// For the format of font description string, see font_list.h for details.
-class FontListImpl : public base::RefCounted<FontListImpl> {
- public:
-  // Creates a font list from a string representing font names, styles, and
-  // size.
-  explicit FontListImpl(const std::string& font_description_string);
-
-  // Creates a font list from font names, styles and size.
-  FontListImpl(const std::vector<std::string>& font_names,
-               int font_style,
-               int font_size);
-
-  // Creates a font list from a Font vector.
-  // All fonts in this vector should have the same style and size.
-  explicit FontListImpl(const std::vector<Font>& fonts);
-
-  // Creates a font list from a Font.
-  explicit FontListImpl(const Font& font);
-
-  // Returns a new FontListImpl with the same font names but resized and the
-  // given style. |size_delta| is the size in pixels to add to the current font
-  // size. |font_style| specifies the new style, which is a bitmask of the
-  // values: Font::BOLD, Font::ITALIC and Font::UNDERLINE.
-  FontListImpl* Derive(int size_delta, int font_style) const;
-
-  // Returns the height of this font list, which is max(ascent) + max(descent)
-  // for all the fonts in the font list.
-  int GetHeight() const;
-
-  // Returns the baseline of this font list, which is max(baseline) for all the
-  // fonts in the font list.
-  int GetBaseline() const;
-
-  // Returns the cap height of this font list.
-  // Currently returns the cap height of the primary font.
-  int GetCapHeight() const;
-
-  // Returns the expected number of horizontal pixels needed to display the
-  // specified length of characters. Call GetStringWidth() to retrieve the
-  // actual number.
-  int GetExpectedTextWidth(int length) const;
-
-  // Returns the |gfx::Font::FontStyle| style flags for this font list.
-  int GetFontStyle() const;
-
-  // Returns a string representing font names, styles, and size. If the
-  // FontListImpl is initialized by a vector of Font, use the first font's style
-  // and size for the description.
-  const std::string& GetFontDescriptionString() const;
-
-  // Returns the font size in pixels.
-  int GetFontSize() const;
-
-  // Returns the Font vector.
-  const std::vector<Font>& GetFonts() const;
-
-  // Returns the first font in the list.
-  const Font& GetPrimaryFont() const;
-
- private:
-  friend class base::RefCounted<FontListImpl>;
-
-  ~FontListImpl();
-
-  // Extracts common font height and baseline into |common_height_| and
-  // |common_baseline_|.
-  void CacheCommonFontHeightAndBaseline() const;
-
-  // Extracts font style and size into |font_style_| and |font_size_|.
-  void CacheFontStyleAndSize() const;
-
-  // A vector of Font. If FontListImpl is constructed with font description
-  // string, |fonts_| is not initialized during construction. Instead, it is
-  // computed lazily when user asked to get the font vector.
-  mutable std::vector<Font> fonts_;
-
-  // A string representing font names, styles, and sizes.
-  // Please refer to the comments before class declaration for details on string
-  // format.
-  // If FontListImpl is constructed with a vector of font,
-  // |font_description_string_| is not initialized during construction. Instead,
-  // it is computed lazily when user asked to get the font description string.
-  mutable std::string font_description_string_;
-
-  // The cached common height and baseline of the fonts in the font list.
-  mutable int common_height_;
-  mutable int common_baseline_;
-
-  // Cached font style and size.
-  mutable int font_style_;
-  mutable int font_size_;
-};
-
-}  // namespace gfx
-
-#endif  // UI_GFX_FONT_LIST_IMPL_H_