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Unified Diff: ui/gfx/platform_font_win.h

Issue 854713003: More old files deletion. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Fix tryjobs? Created 5 years, 11 months ago
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Index: ui/gfx/platform_font_win.h
diff --git a/ui/gfx/platform_font_win.h b/ui/gfx/platform_font_win.h
deleted file mode 100644
index 90160aa6049ccc3ad8afc7bc046b2c3ca66ef618..0000000000000000000000000000000000000000
--- a/ui/gfx/platform_font_win.h
+++ /dev/null
@@ -1,169 +0,0 @@
-// Copyright (c) 2012 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_PLATFORM_FONT_WIN_H_
-#define UI_GFX_PLATFORM_FONT_WIN_H_
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
-#include "ui/gfx/gfx_export.h"
-#include "ui/gfx/platform_font.h"
-
-namespace gfx {
-
-class GFX_EXPORT PlatformFontWin : public PlatformFont {
- public:
- PlatformFontWin();
- explicit PlatformFontWin(NativeFont native_font);
- PlatformFontWin(const std::string& 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_->GetDluBaseX() / 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;
-
- // Returns the font name for the system locale. Some fonts, particularly
- // East Asian fonts, have different names per locale. If the localized font
- // name could not be retrieved, returns GetFontName().
- std::string GetLocalizedFontName() const;
-
- // Returns a derived Font with the specified |style| and with height at most
- // |height|. If the height and style of the receiver already match, it is
- // returned. Otherwise, the returned Font will have the largest size such that
- // its height is less than or equal to |height| (since there may not exist a
- // size that matches the exact |height| specified).
- Font DeriveFontWithHeight(int height, int style);
-
- // Overridden from PlatformFont:
- virtual Font DeriveFont(int size_delta, int style) const override;
- virtual int GetHeight() const override;
- virtual int GetBaseline() const override;
- virtual int GetCapHeight() const override;
- virtual int GetExpectedTextWidth(int length) const override;
- virtual int GetStyle() const override;
- virtual std::string GetFontName() const override;
- virtual std::string GetActualFontNameForTesting() const override;
- virtual int GetFontSize() const override;
- virtual const FontRenderParams& GetFontRenderParams() const override;
- virtual NativeFont GetNativeFont() const override;
-
- 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 GFX_EXPORT 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 font_size,
- int height,
- int baseline,
- int cap_height,
- int ave_char_width,
- int style);
-
- // Accessors
- HFONT hfont() const { return hfont_; }
- int height() const { return height_; }
- int baseline() const { return baseline_; }
- int cap_height() const { return cap_height_; }
- int ave_char_width() const { return ave_char_width_; }
- int style() const { return style_; }
- const std::string& font_name() const { return font_name_; }
- int font_size() const { return font_size_; }
- int requested_font_size() const { return requested_font_size_; }
-
- // Returns the average character width in dialog units.
- int GetDluBaseX();
-
- private:
- friend class base::RefCounted<HFontRef>;
-
- ~HFontRef();
-
- const HFONT hfont_;
- const int font_size_;
- const int height_;
- const int baseline_;
- const int cap_height_;
- const int ave_char_width_;
- const int style_;
- // Average character width in dialog units. This is queried lazily from the
- // system, with an initial value of -1 meaning it hasn't yet been queried.
- int dlu_base_x_;
- std::string font_name_;
-
- // If the requested font size is not possible for the font, |font_size_|
- // will be different than |requested_font_size_|. This is stored separately
- // so that code that increases the font size in a loop will not cause the
- // loop to get stuck on the same size.
- int requested_font_size_;
-
- 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 std::string& 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 and returns a new HFONTRef from the specified HFONT. Uses provided
- // |font_metrics| instead of calculating new one.
- static HFontRef* CreateHFontRef(HFONT font, const TEXTMETRIC& font_metrics);
-
- // Returns a largest derived Font whose height does not exceed the height of
- // |base_font|.
- static Font DeriveWithCorrectedSize(HFONT base_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_;
-
- DISALLOW_COPY_AND_ASSIGN(PlatformFontWin);
-};
-
-} // namespace gfx
-
-#endif // UI_GFX_PLATFORM_FONT_WIN_H_
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