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98 lines
3.1 KiB
98 lines
3.1 KiB
#ifndef Magnum_Image_h |
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#define Magnum_Image_h |
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/* |
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Copyright © 2010, 2011 Vladimír Vondruš <mosra@centrum.cz> |
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This file is part of Magnum. |
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Magnum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License version 3 |
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only, as published by the Free Software Foundation. |
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Magnum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License version 3 for more details. |
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*/ |
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/** @file |
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* @brief Enum Magnum::ColorFormat, class Magnum::Image |
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*/ |
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#include "Magnum.h" |
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#include "TypeTraits.h" |
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namespace Magnum { |
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/** @brief Color format */ |
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enum class ColorFormat: GLenum { |
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Red = GL_RED, |
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RedGreen = GL_RG, |
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RGB = GL_RGB, |
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RGBA = GL_RGBA, |
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BGR = GL_BGR, |
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BGRA = GL_BGRA |
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}; |
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/** |
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@brief %Image |
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Class for storing data, which are later fed to textures. It is just a |
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transparent envelope around the data, which holds additional information about |
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data type and dimensions. |
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*/ |
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template<size_t imageDimensions> class Image { |
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Image<imageDimensions>(const Image<imageDimensions>& other) = delete; |
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Image<imageDimensions>(Image<imageDimensions>&& other) = delete; |
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Image<imageDimensions>& operator=(const Image<imageDimensions>& other) = delete; |
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Image<imageDimensions>& operator=(Image<imageDimensions>&& other) = delete; |
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public: |
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const static size_t Dimensions = imageDimensions; /**< @brief Image dimension count */ |
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/** |
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* @brief Constructor |
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* @param dimensions %Image dimensions |
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* @param colorFormat Color format of passed data. Data size |
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* per color channel is detected from format of passed data array. |
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* @param data %Image data |
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* |
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* @attention Note that the image data are not copied on construction, |
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* but they are deleted on class destruction. |
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*/ |
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template<class T> Image(const Math::Vector<GLsizei, Dimensions>& dimensions, ColorFormat colorFormat, const T* data): _dimensions(dimensions), _colorFormat(colorFormat), _type(TypeTraits<typename TypeTraits<T>::TextureType>::glType()), _data(reinterpret_cast<const char*>(data)) {} |
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/** @brief Destructor */ |
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virtual ~Image() { delete[] _data; } |
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/** @brief %Image dimensions */ |
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inline const Math::Vector<GLsizei, Dimensions>& dimensions() const { return _dimensions; } |
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/** @brief Color format */ |
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inline ColorFormat colorFormat() const { return _colorFormat; } |
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/** @brief Data type */ |
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GLenum type() const { return _type; } |
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/** @brief Pointer to raw data */ |
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inline const void* data() const { return _data; } |
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private: |
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Math::Vector<GLsizei, Dimensions> _dimensions; |
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ColorFormat _colorFormat; |
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GLenum _type; |
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const char* _data; |
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}; |
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/** @brief One-dimensional image */ |
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typedef Image<1> Image1D; |
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/** @brief Two-dimensional image */ |
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typedef Image<2> Image2D; |
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/** @brief Three-dimensional image */ |
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typedef Image<3> Image3D; |
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} |
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#endif
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