mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.8 KiB
95 lines
2.8 KiB
#ifndef Magnum_Image_h |
|
#define Magnum_Image_h |
|
/* |
|
Copyright © 2010, 2011 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 Enum Magnum::ColorFormat, class Magnum::Image |
|
*/ |
|
|
|
#include "Magnum.h" |
|
#include "TypeTraits.h" |
|
|
|
namespace Magnum { |
|
|
|
/** @brief Color format */ |
|
enum class ColorFormat: GLenum { |
|
Red = GL_RED, |
|
RedGreen = GL_RG, |
|
RGB = GL_RGB, |
|
RGBA = GL_RGBA, |
|
BGR = GL_BGR, |
|
BGRA = GL_BGRA |
|
}; |
|
|
|
/** |
|
@brief %Image |
|
|
|
Class for storing data, which are later fed to textures. It is just a |
|
transparent envelope around the data, which holds additional information about |
|
data type and dimensions. |
|
*/ |
|
template<size_t imageDimensions> class Image { |
|
DISABLE_COPY(Image) |
|
|
|
public: |
|
const static size_t Dimensions = imageDimensions; /**< @brief Image dimension count */ |
|
|
|
/** |
|
* @brief Constructor |
|
* @param dimensions %Image dimensions |
|
* @param colorFormat Color format of passed data. Data size |
|
* per color channel is detected from format of passed data array. |
|
* @param data %Image data |
|
* |
|
* @attention Note that the image data are not copied on construction, |
|
* but they are deleted on class destruction. |
|
*/ |
|
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)) {} |
|
|
|
/** @brief Destructor */ |
|
virtual ~Image() { delete[] _data; } |
|
|
|
/** @brief %Image dimensions */ |
|
inline const Math::Vector<GLsizei, Dimensions>& dimensions() const { return _dimensions; } |
|
|
|
/** @brief Color format */ |
|
inline ColorFormat colorFormat() const { return _colorFormat; } |
|
|
|
/** @brief Data type */ |
|
GLenum type() const { return _type; } |
|
|
|
/** @brief Pointer to raw data */ |
|
inline const void* data() const { return _data; } |
|
|
|
private: |
|
Math::Vector<GLsizei, Dimensions> _dimensions; |
|
ColorFormat _colorFormat; |
|
GLenum _type; |
|
const char* _data; |
|
}; |
|
|
|
/** @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
|
|
|