xref: /aosp_15_r20/external/skia/src/shaders/SkCoordClampShader.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2023 Google LLC
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkCoordClampShader_DEFINED
9*c8dee2aaSAndroid Build Coastguard Worker #define SkCoordClampShader_DEFINED
10*c8dee2aaSAndroid Build Coastguard Worker 
11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkFlattenable.h"
12*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRect.h"
13*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h"
14*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkShader.h"
15*c8dee2aaSAndroid Build Coastguard Worker #include "src/shaders/SkShaderBase.h"
16*c8dee2aaSAndroid Build Coastguard Worker 
17*c8dee2aaSAndroid Build Coastguard Worker #include <utility>
18*c8dee2aaSAndroid Build Coastguard Worker 
19*c8dee2aaSAndroid Build Coastguard Worker class SkReadBuffer;
20*c8dee2aaSAndroid Build Coastguard Worker class SkWriteBuffer;
21*c8dee2aaSAndroid Build Coastguard Worker struct SkStageRec;
22*c8dee2aaSAndroid Build Coastguard Worker 
23*c8dee2aaSAndroid Build Coastguard Worker class SkCoordClampShader final : public SkShaderBase {
24*c8dee2aaSAndroid Build Coastguard Worker public:
SkCoordClampShader(sk_sp<SkShader> shader,const SkRect & subset)25*c8dee2aaSAndroid Build Coastguard Worker     SkCoordClampShader(sk_sp<SkShader> shader, const SkRect& subset)
26*c8dee2aaSAndroid Build Coastguard Worker             : fShader(std::move(shader)), fSubset(subset) {}
27*c8dee2aaSAndroid Build Coastguard Worker 
type()28*c8dee2aaSAndroid Build Coastguard Worker     ShaderType type() const override { return ShaderType::kCoordClamp; }
29*c8dee2aaSAndroid Build Coastguard Worker 
shader()30*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkShader> shader() const { return fShader; }
subset()31*c8dee2aaSAndroid Build Coastguard Worker     SkRect subset() const { return fSubset; }
32*c8dee2aaSAndroid Build Coastguard Worker 
33*c8dee2aaSAndroid Build Coastguard Worker protected:
34*c8dee2aaSAndroid Build Coastguard Worker     SkCoordClampShader(SkReadBuffer&);
35*c8dee2aaSAndroid Build Coastguard Worker     void flatten(SkWriteBuffer&) const override;
36*c8dee2aaSAndroid Build Coastguard Worker     bool appendStages(const SkStageRec&, const SkShaders::MatrixRec&) const override;
37*c8dee2aaSAndroid Build Coastguard Worker 
38*c8dee2aaSAndroid Build Coastguard Worker private:
39*c8dee2aaSAndroid Build Coastguard Worker     friend void ::SkRegisterCoordClampShaderFlattenable();
40*c8dee2aaSAndroid Build Coastguard Worker     SK_FLATTENABLE_HOOKS(SkCoordClampShader)
41*c8dee2aaSAndroid Build Coastguard Worker 
42*c8dee2aaSAndroid Build Coastguard Worker     sk_sp<SkShader> fShader;
43*c8dee2aaSAndroid Build Coastguard Worker     SkRect fSubset;
44*c8dee2aaSAndroid Build Coastguard Worker };
45*c8dee2aaSAndroid Build Coastguard Worker 
46*c8dee2aaSAndroid Build Coastguard Worker #endif
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