| // Copyright 2013 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_LINUX_FONT_DELEGATE_H_ |
| #define UI_GFX_LINUX_FONT_DELEGATE_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "ui/gfx/font_render_params.h" |
| #include "ui/gfx/gfx_export.h" |
| |
| namespace gfx { |
| |
| // Allows a Linux platform-specific overriding of font preferences. |
| class GFX_EXPORT LinuxFontDelegate { |
| public: |
| virtual ~LinuxFontDelegate() {} |
| |
| // Sets the dynamically loaded singleton that provides font preferences. |
| // This pointer is not owned, and if this method is called a second time, |
| // the first instance is not deleted. |
| static void SetInstance(LinuxFontDelegate* instance); |
| |
| // Returns a LinuxFontDelegate instance for the toolkit used in |
| // the user's desktop environment. |
| // |
| // Can return NULL, in case no toolkit has been set. (For example, if we're |
| // running with the "--ash" flag.) |
| static const LinuxFontDelegate* instance(); |
| |
| // Returns the default font rendering settings. |
| virtual FontRenderParams GetDefaultFontRenderParams() const = 0; |
| |
| // Returns details about the default UI font. |style_out| holds a bitfield of |
| // gfx::Font::Style values. |
| virtual void GetDefaultFontDescription( |
| std::string* family_out, |
| int* size_pixels_out, |
| int* style_out, |
| Font::Weight* weight_out, |
| FontRenderParams* params_out) const = 0; |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_LINUX_FONT_DELEGATE_H_ |