gui_theme.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2009 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    Harry Storbacka
**    Kenneth Gangstoe
**    Mark Page
*/


#pragma once

#include "api_gui.h"
#include "../Core/System/sharedptr.h"

class CL_GUIThemePart;
class CL_GraphicContext;
class CL_ResourceManager;
class CL_GUIComponent;
class CL_Colorf;
class CL_Size;
class CL_Rect;
class CL_Font;
class CL_GUITheme_Impl;
class CL_GUIThemeProvider;

class CL_API_GUI CL_GUITheme
{

public:
        CL_GUITheme(CL_GUIThemeProvider *provider);

        CL_GUITheme(const CL_GUITheme &copy);

        ~CL_GUITheme();


public:

        bool is_null();

        CL_GUIThemeProvider *get_provider() const;

        CL_StringRef get_property(
                const CL_GUIThemePart &part,
                const CL_StringRef &name,
                const CL_StringRef &css_value);

        CL_ResourceManager get_resources() const;


public:
        void set_resources(CL_ResourceManager resources);

        void render_box(
                CL_GraphicContext &gc,
                CL_GUIThemePart &part,
                const CL_Rect &rect,
                const CL_Rect &clip_rect);

        CL_Rect render_text(
                CL_GraphicContext &gc,
                CL_GUIThemePart &part,
                CL_Font &font,
                const CL_StringRef &text,
                const CL_Rect &content_rect,
                const CL_Rect &clip_rect);

        // This notification allows a theme to clean up cached theme part
        // resources used by the component.
        void component_destroyed(CL_GUIComponent *component);


private:
        CL_SharedPtr<CL_GUITheme_Impl> impl;
};

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