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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef TEXTURELAYOUTTEXTURE_H
#define TEXTURELAYOUTTEXTURE_H
#include "../../Include/Rocket/Core/Texture.h"
#include "TextureLayoutRow.h"
namespace Rocket {
namespace Core {
class TextureLayout;
class TextureResource;
/**
A texture layout texture is a single rectangular area which sub-rectangles are placed on within
a complete texture layout.
@author Peter
*/
class TextureLayoutTexture
{
public:
TextureLayoutTexture();
~TextureLayoutTexture();
/// Returns the texture's dimensions. This is only valid after the texture has been generated.
/// @return The texture's dimensions.
const Vector2i& GetDimensions() const;
/// Attempts to position unplaced rectangles from the layout into this texture. The size of
/// this texture will be determined by its contents.
/// @param[in] layout The layout to position rectangles from.
/// @param[in] maximum_dimensions The maximum dimensions of this texture. If this is not big enough to place all the rectangles, then as many will be placed as possible.
/// @return The number of placed rectangles.
int Generate(TextureLayout& layout, int maximum_dimensions);
/// Allocates the texture.
/// @return The allocated texture data.
byte* AllocateTexture();
private:
typedef std::vector< TextureLayoutRow > RowList;
Vector2i dimensions;
RowList rows;
byte* texture_data;
};
}
}
#endif
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