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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 TEXTURELAYOUT_H
#define TEXTURELAYOUT_H
#include "TextureLayoutRectangle.h"
#include "TextureLayoutTexture.h"
namespace Rocket {
namespace Core {
/**
A texture layout generates and stores a layout of rectangles within a series of textures. It is
used primarily by the font system for generating font textures.
@author Peter
*/
class TextureLayout
{
public:
TextureLayout();
~TextureLayout();
/// Adds a rectangle to the list of rectangles to be laid out. All rectangles must be added to
/// the layout before the layout is generated.
/// @param[in] id The id of the rectangle; used to identify the rectangle after it has been positioned.
/// @param[in] dimensions The dimensions of the rectangle.
void AddRectangle(int id, const Vector2i& dimensions);
/// Returns one of the layout's rectangles.
/// @param[in] index The index of the desired rectangle.
/// @return The desired rectangle.
TextureLayoutRectangle& GetRectangle(int index);
/// Returns the number of rectangles in the layout.
/// @return The layout's rectangle count.
int GetNumRectangles() const;
/// Returns one of the layout's textures.
/// @param[in] index The index of the desired texture.
/// @return The desired texture.
TextureLayoutTexture& GetTexture(int index);
/// Returns the number of textures in the layout.
/// @return The layout's texture count.
int GetNumTextures() const;
/// Attempts to generate an efficient texture layout for the rectangles.
/// @param[in] max_texture_dimensions The maximum dimensions allowed for any single texture.
/// @return True if the layout was generated successfully, false if not.
bool GenerateLayout(int max_texture_dimensions);
private:
typedef std::vector< TextureLayoutRectangle > RectangleList;
typedef std::vector< TextureLayoutTexture > TextureList;
TextureList textures;
RectangleList rectangles;
};
}
}
#endif
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