/*

 * Copyright 2021 Google LLC

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#ifndef SkBlender_DEFINED

#define SkBlender_DEFINED

#include "include/core/SkBlendMode.h"

#include "include/core/SkFlattenable.h"

/**

 * SkBlender represents a custom blend function in the Skia pipeline. When an SkBlender is

 * present in a paint, the SkBlendMode is ignored. A blender combines a source color (the

 * result of our paint) and destination color (from the canvas) into a final color.

 */

class SK_API SkBlender : public SkFlattenable {

public:

    /**

     * Create a blender that implements the specified BlendMode.

     */

    static sk_sp<SkBlender> Mode(SkBlendMode mode);

private:

    SkBlender() = default;

    friend class SkBlenderBase;

};

#endif