ColorBlending.h   [plain text]


/*
 * Copyright (C) 2020 Apple Inc. All rights reserved.
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#pragma once

namespace WebCore {

class Color;

// NOTE: These functions do a lossy conversion to 8-bit sRGBA before blending.

// This is an implementation of Porter-Duff's "source-over" equation.
Color blendSourceOver(const Color&, const Color&);

// Bespoke "whitening" algorithm used by RenderTheme::transformSelectionBackgroundColor.
Color blendWithWhite(const Color&);

Color blend(const Color& from, const Color& to, double progress);
Color blendWithoutPremultiply(const Color& from, const Color& to, double progress);

}