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#ifndef Magnum_Image_h
#define Magnum_Image_h
/*
Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
This file is part of Magnum.
Magnum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 3
only, as published by the Free Software Foundation.
Magnum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License version 3 for more details.
*/
/** @file
* @brief Class Magnum::Image, typedef Magnum::Image1D, Magnum::Image2D, Magnum::Image3D
*/
#include "Math/Vector3.h"
#include "AbstractImage.h"
#include "DimensionTraits.h"
namespace Magnum {
/**
@brief %Image
Stores image data on client memory. Interchangeable with ImageWrapper,
BufferImage or Trade::ImageData.
@see Image1D, Image2D, Image3D
*/
template<std::uint8_t dimensions> class Image: public AbstractImage {
public:
const static std::uint8_t Dimensions = dimensions; /**< @brief %Image dimension count */
/**
* @brief Constructor
* @param size %Image size
* @param format Format of pixel data
* @param type Data type of pixel data
* @param data %Image data
*
* Note that the image data are not copied on construction, but they
* are deleted on class destruction.
*/
inline explicit Image(const typename DimensionTraits<Dimensions, GLsizei>::VectorType& size, Format format, Type type, GLvoid* data): AbstractImage(format, type), _size(size), _data(reinterpret_cast<char*>(data)) {}
/**
* @brief Constructor
* @param format Format of pixel data
* @param type Data type of pixel data
*
* Dimensions and data pointer are set to zero, call setData() to fill
* the image with data.
*/
inline explicit Image(Format format, Type type): AbstractImage(format, type), _data(nullptr) {}
/** @brief Destructor */
inline ~Image() { delete[] _data; }
/** @brief %Image size */
inline typename DimensionTraits<Dimensions, GLsizei>::VectorType size() const { return _size; }
/** @brief Pointer to raw data */
inline void* data() { return _data; }
inline const void* data() const { return _data; } /**< @overload */
/**
* @brief Set image data
* @param size %Image size
* @param format Format of pixel data
* @param type Data type of pixel data
* @param data %Image data
*
* Deletes previous data and replaces them with new. Note that the
* data are not copied, but they are deleted on destruction.
*/
void setData(const typename DimensionTraits<Dimensions, GLsizei>::VectorType& size, Format format, Type type, GLvoid* data);
private:
Math::Vector<Dimensions, GLsizei> _size;
char* _data;
};
#ifndef DOXYGEN_GENERATING_OUTPUT
extern template class MAGNUM_EXPORT Image<1>;
extern template class MAGNUM_EXPORT Image<2>;
extern template class MAGNUM_EXPORT Image<3>;
#endif
/** @brief One-dimensional image */
typedef Image<1> Image1D;
/** @brief Two-dimensional image */
typedef Image<2> Image2D;
/** @brief Three-dimensional image */
typedef Image<3> Image3D;
}
#endif