SFML/src/SFML/Graphics/BlendMode.cpp at master · githubhy/SFML · GitHub

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////////////////////////////////////////////////////////////

// SFML - Simple and Fast Multimedia Library

// 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.

////////////////////////////////////////////////////////////

// Headers

////////////////////////////////////////////////////////////

#include <SFML/Graphics/BlendMode.hpp>

namespace sf

{

////////////////////////////////////////////////////////////

// Commonly used blending modes

////////////////////////////////////////////////////////////

const BlendMode BlendAlpha(BlendMode::Factor::SrcAlpha,

BlendMode::Factor::OneMinusSrcAlpha,

BlendMode::Equation::Add,

BlendMode::Factor::One,

BlendMode::Factor::OneMinusSrcAlpha,

BlendMode::Equation::Add);

const BlendMode BlendAdd(BlendMode::Factor::SrcAlpha,

BlendMode::Factor::One,

BlendMode::Equation::Add,

BlendMode::Factor::One,

BlendMode::Equation::Add);

const BlendMode BlendMultiply(BlendMode::Factor::DstColor, BlendMode::Factor::Zero, BlendMode::Equation::Add);

const BlendMode BlendMin(BlendMode::Factor::One, BlendMode::Factor::One, BlendMode::Equation::Min);

const BlendMode BlendMax(BlendMode::Factor::One, BlendMode::Factor::One, BlendMode::Equation::Max);

const BlendMode BlendNone(BlendMode::Factor::One, BlendMode::Factor::Zero, BlendMode::Equation::Add);

////////////////////////////////////////////////////////////

BlendMode::BlendMode(Factor sourceFactor, Factor destinationFactor, Equation blendEquation) :

colorSrcFactor(sourceFactor),

colorDstFactor(destinationFactor),

colorEquation(blendEquation),

alphaSrcFactor(sourceFactor),

alphaDstFactor(destinationFactor),

alphaEquation(blendEquation)

{

}

////////////////////////////////////////////////////////////

BlendMode::BlendMode(Factor colorSourceFactor,

Factor colorDestinationFactor,

Equation colorBlendEquation,

Factor alphaSourceFactor,

Factor alphaDestinationFactor,

Equation alphaBlendEquation) :

colorSrcFactor(colorSourceFactor),

colorDstFactor(colorDestinationFactor),

colorEquation(colorBlendEquation),

alphaSrcFactor(alphaSourceFactor),

alphaDstFactor(alphaDestinationFactor),

alphaEquation(alphaBlendEquation)

{

}

////////////////////////////////////////////////////////////

bool operator==(const BlendMode& left, const BlendMode& right)

{

return (left.colorSrcFactor == right.colorSrcFactor) && (left.colorDstFactor == right.colorDstFactor) &&

(left.colorEquation == right.colorEquation) && (left.alphaSrcFactor == right.alphaSrcFactor) &&

(left.alphaDstFactor == right.alphaDstFactor) && (left.alphaEquation == right.alphaEquation);

}

////////////////////////////////////////////////////////////

bool operator!=(const BlendMode& left, const BlendMode& right)

{

return !(left == right);

}

} // namespace sf

SFML/src/SFML/Graphics/BlendMode.cpp at master · githubhy/SFML · GitHub

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