texture_group.h

Go to the documentation of this file.

/*
**  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):
**
**    Kenneth Gangstoe
**    Magnus Norddahl
*/


#pragma once

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

class CL_Size;
class CL_Rect;
class CL_Texture;
class CL_Subtexture;
class CL_TextureGroup_Impl;
class CL_GraphicContext;

class CL_API_DISPLAY CL_TextureGroup
{
public:
        enum TextureAllocationPolicy
        {
                create_new_texture,
                search_previous_textures
        };

public:
        CL_TextureGroup();

        CL_TextureGroup(CL_GraphicContext &context, const CL_Size &texture_sizes);

        ~CL_TextureGroup();

public:

        bool is_null() const;

        int get_subtexture_count() const;

        int get_subtexture_count(unsigned int texture_index) const;

        int get_texture_count() const;

        TextureAllocationPolicy get_texture_allocation_policy() const;

        CL_Size get_texture_sizes() const;

        std::vector<CL_Texture> get_textures() const;

public:
        CL_Subtexture add(CL_GraphicContext &context, const CL_Size &size);

        void remove(CL_Subtexture &subtexture);

        void set_texture_allocation_policy(TextureAllocationPolicy policy);

        void insert_texture(CL_Texture &texture, const CL_Rect &texture_rect);

private:
        CL_SharedPtr<CL_TextureGroup_Impl> impl;
};

---