#ifndef Magnum_Magnum_h
#define Magnum_Magnum_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 Basic definitions and forward declarations for Magnum namespace
 */

#include <corradeConfigure.h>

#include "Math/Math.h"
#include "Types.h"

#include "magnumConfigure.h"

#ifndef MAGNUM_TARGET_GLES
#include <GL/glew.h>
#include <GL/glcorearb.h>
#else
#ifndef MAGNUM_TARGET_GLES2
#include <GLES3/gl3.h>
#else
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#endif
#endif

namespace Corrade {
    namespace Utility {
        class Debug;
        class Warning;
        class Error;
    }
}

namespace Magnum {

/** @todoc Remove `ifndef` when Doxygen is sane again */
#ifndef DOXYGEN_GENERATING_OUTPUT
namespace Math {
    template<class T> struct Constants;

    constexpr Rad<Double> operator "" _rad(long double);
    constexpr Rad<Float> operator "" _radf(long double);
    constexpr Deg<Double> operator "" _deg(long double);
    constexpr Deg<Float> operator "" _degf(long double);
}

/* Bring debugging facility from Corrade::Utility namespace */
using Corrade::Utility::Debug;
using Corrade::Utility::Warning;
using Corrade::Utility::Error;
#endif

/** @{ @name Basic type definitions

See @ref types for more information.
*/

/** @brief Unsigned byte (8bit) */
typedef std::uint8_t UnsignedByte;

/** @brief Signed byte (8bit) */
typedef std::int8_t Byte;

/** @brief Unsigned short (16bit) */
typedef std::uint16_t UnsignedShort;

/** @brief Signed short (16bit) */
typedef std::int16_t Short;

/** @brief Unsigned int (32bit) */
typedef std::uint32_t UnsignedInt;

/** @brief Signed int (32bit) */
typedef std::int32_t Int;

/** @brief Unsigned long (64bit) */
typedef std::uint64_t UnsignedLong;

/** @brief Signed long (64bit) */
typedef std::int64_t Long;

/** @brief Float (32bit) */
typedef float Float;

/** @brief Two-component float vector */
typedef Math::Vector2<Float> Vector2;

/** @brief Three-component float vector */
typedef Math::Vector3<Float> Vector3;

/** @brief Four-component float vector */
typedef Math::Vector4<Float> Vector4;

/** @brief Two-component unsigned integer vector */
typedef Math::Vector2<UnsignedInt> Vector2ui;

/** @brief Three-component unsigned integer vector */
typedef Math::Vector3<UnsignedInt> Vector3ui;

/** @brief Four-component unsigned integer vector */
typedef Math::Vector4<UnsignedInt> Vector4ui;

/** @brief Two-component signed integer vector */
typedef Math::Vector2<Int> Vector2i;

/** @brief Three-component signed integer vector */
typedef Math::Vector3<Int> Vector3i;

/** @brief Four-component signed integer vector */
typedef Math::Vector4<Int> Vector4i;

/** @brief 2x2 float matrix */
typedef Math::Matrix<2, Float> Matrix2;

/** @brief 3x3 float matrix */
typedef Math::Matrix3<Float> Matrix3;

/** @brief 4x4 float matrix */
typedef Math::Matrix4<Float> Matrix4;

/** @brief Float matrix with 2 columns and 3 rows */
typedef Math::RectangularMatrix<2, 3, Float> Matrix2x3;

/** @brief Float matrix with 3 columns and 2 rows */
typedef Math::RectangularMatrix<3, 2, Float> Matrix3x2;

/** @brief Float matrix with 2 columns and 4 rows */
typedef Math::RectangularMatrix<2, 4, Float> Matrix2x4;

/** @brief Float matrix with 4 columns and 2 rows */
typedef Math::RectangularMatrix<4, 2, Float> Matrix4x2;

/** @brief Float matrix with 3 columns and 4 rows */
typedef Math::RectangularMatrix<3, 4, Float> Matrix3x4;

/** @brief Float matrix with 4 columns and 3 rows */
typedef Math::RectangularMatrix<4, 3, Float> Matrix4x3;

/** @brief Float complex number */
typedef Math::Complex<Float> Complex;

/** @brief Float dual complex number */
typedef Math::DualComplex<Float> DualComplex;

/** @brief Float quaternion */
typedef Math::Quaternion<Float> Quaternion;

/** @brief Float dual quaternion */
typedef Math::DualQuaternion<Float> DualQuaternion;

/** @brief Float constants */
typedef Math::Constants<Float> Constants;

/** @brief Angle in float degrees */
typedef Math::Deg<Float> Deg;

/** @brief Angle in float radians */
typedef Math::Rad<Float> Rad;

/** @brief Float rectangle */
typedef Math::Geometry::Rectangle<Float> Rectangle;

/** @brief Signed integer rectangle */
typedef Math::Geometry::Rectangle<Int> Rectanglei;

/*@}*/

#ifndef MAGNUM_TARGET_GLES
/** @{ @name Double-precision types

See @ref types for more information.
@requires_gl Only single-precision types are available in OpenGL ES.
*/

/** @brief Double (64bit) */
typedef double Double;

/** @brief Two-component double vector */
typedef Math::Vector2<Double> Vector2d;

/** @brief Three-component double vector */
typedef Math::Vector3<Double> Vector3d;

/** @brief Four-component double vector */
typedef Math::Vector4<Double> Vector4d;

/** @brief 2x2 double matrix */
typedef Math::Matrix<2, Double> Matrix2d;

/** @brief 3x3 double matrix */
typedef Math::Matrix3<Double> Matrix3d;

/** @brief 4x4 double matrix */
typedef Math::Matrix4<Double> Matrix4d;

/** @brief Double matrix with 2 columns and 3 rows */
typedef Math::RectangularMatrix<2, 3, Double> Matrix2x3d;

/** @brief Double matrix with 3 columns and 2 rows */
typedef Math::RectangularMatrix<3, 2, Double> Matrix3x2d;

/** @brief Double matrix with 2 columns and 4 rows */
typedef Math::RectangularMatrix<2, 4, Double> Matrix2x4d;

/** @brief Double matrix with 4 columns and 2 rows */
typedef Math::RectangularMatrix<4, 2, Double> Matrix4x2d;

/** @brief Double matrix with 3 columns and 4 rows */
typedef Math::RectangularMatrix<3, 4, Double> Matrix3x4d;

/** @brief Double matrix with 4 columns and 3 rows */
typedef Math::RectangularMatrix<4, 3, Double> Matrix4x3d;

/** @brief Double complex number */
typedef Math::Complex<Double> Complexd;

/** @brief Double dual complex number */
typedef Math::DualComplex<Double> DualComplexd;

/** @brief Double quaternion */
typedef Math::Quaternion<Double> Quaterniond;

/** @brief Double dual quaternion */
typedef Math::DualQuaternion<Double> DualQuaterniond;

/** @brief Double constants */
typedef Math::Constants<Double> Constantsd;

/** @brief Angle in double degrees */
typedef Math::Deg<Double> Degd;

/** @brief Angle in double radians */
typedef Math::Rad<Double> Radd;

/** @brief Double rectangle */
typedef Math::Geometry::Rectangle<Double> Rectangled;

/*@}*/
#endif

/* Using angle literals from Math namespace */
using Math::operator "" _deg;
using Math::operator "" _degf;
using Math::operator "" _rad;
using Math::operator "" _radf;

/** @todoc Remove `ifndef` when Doxygen is sane again */
#ifndef DOXYGEN_GENERATING_OUTPUT
/* Forward declarations for all types in root namespace */
class AbstractFramebuffer;
class AbstractImage;
class AbstractShaderProgram;
class AbstractTexture;

template<std::uint8_t, class T> class Array;
template<class T> class Array1D;
template<class T> class Array2D;
template<class T> class Array3D;

class Buffer;

#ifndef MAGNUM_TARGET_GLES2
template<std::uint8_t> class BufferImage;
typedef BufferImage<1> BufferImage1D;
typedef BufferImage<2> BufferImage2D;
typedef BufferImage<3> BufferImage3D;
#endif

#ifndef MAGNUM_TARGET_GLES
class BufferTexture;
#endif

template<class T = GLfloat> class Color3;
template<class T = GLfloat> class Color4;

enum class Version: GLint;
class Context;
class CubeMapTexture;

#ifndef MAGNUM_TARGET_GLES
class CubeMapTextureArray;
#endif

/* DebugMarker forward declaration is not needed */
/* DefaultFramebuffer is available only through global instance */
/* DimensionTraits forward declaration is not needed */

class Extension;
class Framebuffer;

template<std::uint8_t> class Image;
typedef Image<1> Image1D;
typedef Image<2> Image2D;
typedef Image<3> Image3D;

template<std::uint8_t> class ImageWrapper;
typedef ImageWrapper<1> ImageWrapper1D;
typedef ImageWrapper<2> ImageWrapper2D;
typedef ImageWrapper<3> ImageWrapper3D;

class Mesh;
class Query;
class Renderbuffer;

enum class ResourceState: std::uint8_t;
enum class ResourceDataState: std::uint8_t;
enum class ResourcePolicy: std::uint8_t;
template<class T, class U = T> class Resource;
class ResourceKey;
template<class...> class ResourceManager;

class Shader;

template<std::uint8_t> class Texture;
#ifndef MAGNUM_TARGET_GLES
typedef Texture<1> Texture1D;
#endif
typedef Texture<2> Texture2D;
typedef Texture<3> Texture3D;

class Timeline;
#endif

}

#endif