xref: /aosp_15_r20/external/skia/include/core/SkBlender.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2021 Google LLC
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef SkBlender_DEFINED
9 #define SkBlender_DEFINED
10 
11 #include "include/core/SkBlendMode.h"
12 #include "include/core/SkFlattenable.h"
13 
14 /**
15  * SkBlender represents a custom blend function in the Skia pipeline.  A blender combines a source
16  * color (the result of our paint) and destination color (from the canvas) into a final color.
17  */
18 class SK_API SkBlender : public SkFlattenable {
19 public:
20     /**
21      * Create a blender that implements the specified BlendMode.
22      */
23     static sk_sp<SkBlender> Mode(SkBlendMode mode);
24 
25 private:
26     SkBlender() = default;
27     friend class SkBlenderBase;
28 };
29 
30 #endif
31