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+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2014 Laurent Gomila (laurent.gom@gmail.com)
+//
+// 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::SrcAlpha, BlendMode::OneMinusSrcAlpha, BlendMode::Add,
+ BlendMode::One, BlendMode::OneMinusSrcAlpha, BlendMode::Add);
+const BlendMode BlendAdd(BlendMode::SrcAlpha, BlendMode::One, BlendMode::Add,
+ BlendMode::One, BlendMode::One, BlendMode::Add);
+const BlendMode BlendMultiply(BlendMode::DstColor, BlendMode::Zero);
+const BlendMode BlendNone(BlendMode::One, BlendMode::Zero);
+
+
+////////////////////////////////////////////////////////////
+BlendMode::BlendMode() :
+colorSrcFactor(BlendMode::SrcAlpha),
+colorDstFactor(BlendMode::OneMinusSrcAlpha),
+colorEquation (BlendMode::Add),
+alphaSrcFactor(BlendMode::One),
+alphaDstFactor(BlendMode::OneMinusSrcAlpha),
+alphaEquation (BlendMode::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