Index: gfx/platform_font_win.h |
=================================================================== |
--- gfx/platform_font_win.h (revision 73487) |
+++ gfx/platform_font_win.h (working copy) |
@@ -6,126 +6,7 @@ |
#define GFX_PLATFORM_FONT_WIN_ |
#pragma once |
-#include "base/ref_counted.h" |
-#include "gfx/platform_font.h" |
+#include "ui/gfx/platform_font_win.h" |
+// TODO(sail): remove this file once all includes have been updated. |
-namespace gfx { |
- |
-class PlatformFontWin : public PlatformFont { |
- public: |
- PlatformFontWin(); |
- explicit PlatformFontWin(const Font& other); |
- explicit PlatformFontWin(NativeFont native_font); |
- PlatformFontWin(const string16& font_name, |
- int font_size); |
- |
- // Dialog units to pixels conversion. |
- // See http://support.microsoft.com/kb/145994 for details. |
- int horizontal_dlus_to_pixels(int dlus) const { |
- return dlus * font_ref_->dlu_base_x() / 4; |
- } |
- int vertical_dlus_to_pixels(int dlus) const { |
- return dlus * font_ref_->height() / 8; |
- } |
- |
- // Callback that returns the minimum height that should be used for |
- // gfx::Fonts. Optional. If not specified, the minimum font size is 0. |
- typedef int (*GetMinimumFontSizeCallback)(); |
- static GetMinimumFontSizeCallback get_minimum_font_size_callback; |
- |
- // Callback that adjusts a LOGFONT to meet suitability requirements of the |
- // embedding application. Optional. If not specified, no adjustments are |
- // performed other than clamping to a minimum font height if |
- // |get_minimum_font_size_callback| is specified. |
- typedef void (*AdjustFontCallback)(LOGFONT* lf); |
- static AdjustFontCallback adjust_font_callback; |
- |
- // Overridden from PlatformFont: |
- virtual Font DeriveFont(int size_delta, int style) const; |
- virtual int GetHeight() const; |
- virtual int GetBaseline() const; |
- virtual int GetAverageCharacterWidth() const; |
- virtual int GetStringWidth(const string16& text) const; |
- virtual int GetExpectedTextWidth(int length) const; |
- virtual int GetStyle() const; |
- virtual string16 GetFontName() const; |
- virtual int GetFontSize() const; |
- virtual NativeFont GetNativeFont() const; |
- |
- private: |
- virtual ~PlatformFontWin() {} |
- |
- // Chrome text drawing bottoms out in the Windows GDI functions that take an |
- // HFONT (an opaque handle into Windows). To avoid lots of GDI object |
- // allocation and destruction, Font indirectly refers to the HFONT by way of |
- // an HFontRef. That is, every Font has an HFontRef, which has an HFONT. |
- // |
- // HFontRef is reference counted. Upon deletion, it deletes the HFONT. |
- // By making HFontRef maintain the reference to the HFONT, multiple |
- // HFontRefs can share the same HFONT, and Font can provide value semantics. |
- class HFontRef : public base::RefCounted<HFontRef> { |
- public: |
- // This constructor takes control of the HFONT, and will delete it when |
- // the HFontRef is deleted. |
- HFontRef(HFONT hfont, |
- int height, |
- int baseline, |
- int ave_char_width, |
- int style, |
- int dlu_base_x); |
- |
- // Accessors |
- HFONT hfont() const { return hfont_; } |
- int height() const { return height_; } |
- int baseline() const { return baseline_; } |
- int ave_char_width() const { return ave_char_width_; } |
- int style() const { return style_; } |
- int dlu_base_x() const { return dlu_base_x_; } |
- const string16& font_name() const { return font_name_; } |
- |
- private: |
- friend class base::RefCounted<HFontRef>; |
- |
- ~HFontRef(); |
- |
- const HFONT hfont_; |
- const int height_; |
- const int baseline_; |
- const int ave_char_width_; |
- const int style_; |
- // Constants used in converting dialog units to pixels. |
- const int dlu_base_x_; |
- string16 font_name_; |
- |
- DISALLOW_COPY_AND_ASSIGN(HFontRef); |
- }; |
- |
- // Initializes this object with a copy of the specified HFONT. |
- void InitWithCopyOfHFONT(HFONT hfont); |
- |
- // Initializes this object with the specified font name and size. |
- void InitWithFontNameAndSize(const string16& font_name, |
- int font_size); |
- |
- // Returns the base font ref. This should ONLY be invoked on the |
- // UI thread. |
- static HFontRef* GetBaseFontRef(); |
- |
- // Creates and returns a new HFONTRef from the specified HFONT. |
- static HFontRef* CreateHFontRef(HFONT font); |
- |
- // Creates a new PlatformFontWin with the specified HFontRef. Used when |
- // constructing a Font from a HFONT we don't want to copy. |
- explicit PlatformFontWin(HFontRef* hfont_ref); |
- |
- // Reference to the base font all fonts are derived from. |
- static HFontRef* base_font_ref_; |
- |
- // Indirect reference to the HFontRef, which references the underlying HFONT. |
- scoped_refptr<HFontRef> font_ref_; |
-}; |
- |
-} // namespace gfx |
- |
#endif // GFX_PLATFORM_FONT_WIN_ |
- |