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1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include "hwui/Bitmap.h"
20 
21 #include <SkCanvas.h>
22 #include <SkPaintFilterCanvas.h>
23 
24 #include <memory>
25 
26 namespace android::uirenderer {
27 
28 enum class UsageHint {
29     Unknown = 0,
30     Background = 1,
31     Foreground = 2,
32     // Contains foreground (usually text), like a button or chip
33     Container = 3
34 };
35 
36 enum class ColorTransform {
37     None,
38     Light,
39     Dark,
40     Invert
41 };
42 
43 // True if the paint was modified, false otherwise
44 bool transformPaint(ColorTransform transform, SkPaint* paint);
45 
46 bool transformPaint(ColorTransform transform, SkPaint* paint, BitmapPalette palette);
47 
48 SkColor transformColor(ColorTransform transform, SkColor color);
49 SkColor transformColorInverse(ColorTransform transform, SkColor color);
50 
51 }  // namespace android::uirenderer
52