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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2026 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.
//
////////////////////////////////////////////////////////////
#pragma once
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <CSFML/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
sfBlendEquationMin, ///< Pixel = min(Dst, Src)
sfBlendEquationMax ///< Pixel = max(Dst, Src)
} 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 sfBlendMin; ///< Take minimum between source and dest
CSFML_GRAPHICS_API const sfBlendMode sfBlendMax; ///< Take maximum between source and dest
CSFML_GRAPHICS_API const sfBlendMode sfBlendNone; ///< Overwrite dest with source
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