mirror of
https://github.com/SFML/CSFML.git
synced 2026-10-24 21:53:37 +02:00
87 lines
3.7 KiB
C
87 lines
3.7 KiB
C
////////////////////////////////////////////////////////////
|
|
//
|
|
// SFML - Simple and Fast Multimedia Library
|
|
// Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
|
|
//
|
|
// This software is provided 'as-is', without any express or implied warranty.
|
|
// In no event will the authors be held liable for any damages arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it freely,
|
|
// subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented;
|
|
// you must not claim that you wrote the original software.
|
|
// If you use this software in a product, an acknowledgment
|
|
// in the product documentation would be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such,
|
|
// and must not be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source distribution.
|
|
//
|
|
////////////////////////////////////////////////////////////
|
|
|
|
#ifndef SFML_BLENDMODE_H
|
|
#define SFML_BLENDMODE_H
|
|
|
|
////////////////////////////////////////////////////////////
|
|
// Headers
|
|
////////////////////////////////////////////////////////////
|
|
#include <SFML/Graphics/Export.h>
|
|
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Enumeration of the blending factors
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
typedef enum
|
|
{
|
|
sfBlendFactorZero, ///< (0, 0, 0, 0)
|
|
sfBlendFactorOne, ///< (1, 1, 1, 1)
|
|
sfBlendFactorSrcColor, ///< (src.r, src.g, src.b, src.a)
|
|
sfBlendFactorOneMinusSrcColor, ///< (1, 1, 1, 1) - (src.r, src.g, src.b, src.a)
|
|
sfBlendFactorDstColor, ///< (dst.r, dst.g, dst.b, dst.a)
|
|
sfBlendFactorOneMinusDstColor, ///< (1, 1, 1, 1) - (dst.r, dst.g, dst.b, dst.a)
|
|
sfBlendFactorSrcAlpha, ///< (src.a, src.a, src.a, src.a)
|
|
sfBlendFactorOneMinusSrcAlpha, ///< (1, 1, 1, 1) - (src.a, src.a, src.a, src.a)
|
|
sfBlendFactorDstAlpha, ///< (dst.a, dst.a, dst.a, dst.a)
|
|
sfBlendFactorOneMinusDstAlpha ///< (1, 1, 1, 1) - (dst.a, dst.a, dst.a, dst.a)
|
|
} sfBlendFactor;
|
|
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Enumeration of the blending equations
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
typedef enum
|
|
{
|
|
sfBlendEquationAdd, ///< Pixel = Src * SrcFactor + Dst * DstFactor
|
|
sfBlendEquationSubtract, ///< Pixel = Src * SrcFactor - Dst * DstFactor
|
|
sfBlendEquationReverseSubtract ///< Pixel = Dst * DstFactor - Src * SrcFactor
|
|
} sfBlendEquation;
|
|
|
|
|
|
////////////////////////////////////////////////////////////
|
|
/// \brief Blending mode for drawing
|
|
///
|
|
////////////////////////////////////////////////////////////
|
|
typedef struct
|
|
{
|
|
sfBlendFactor colorSrcFactor; ///< Source blending factor for the color channels
|
|
sfBlendFactor colorDstFactor; ///< Destination blending factor for the color channels
|
|
sfBlendEquation colorEquation; ///< Blending equation for the color channels
|
|
sfBlendFactor alphaSrcFactor; ///< Source blending factor for the alpha channel
|
|
sfBlendFactor alphaDstFactor; ///< Destination blending factor for the alpha channel
|
|
sfBlendEquation alphaEquation; ///< Blending equation for the alpha channel
|
|
} sfBlendMode;
|
|
|
|
|
|
CSFML_GRAPHICS_API const sfBlendMode sfBlendAlpha; ///< Blend source and dest according to dest alpha
|
|
CSFML_GRAPHICS_API const sfBlendMode sfBlendAdd; ///< Add source to dest
|
|
CSFML_GRAPHICS_API const sfBlendMode sfBlendMultiply; ///< Multiply source and dest
|
|
CSFML_GRAPHICS_API const sfBlendMode sfBlendNone; ///< Overwrite dest with source
|
|
|
|
|
|
#endif // SFML_BLENDMODE_H
|