1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef GRAPHICS_EFFECT_GE_LINEAR_GRADIENT_MASK_H 17 #define GRAPHICS_EFFECT_GE_LINEAR_GRADIENT_MASK_H 18 19 #include "ge_log.h" 20 #include "ge_shader_filter_params.h" 21 #include "ge_shader_mask.h" 22 23 #include "draw/canvas.h" 24 #include "effect/runtime_effect.h" 25 #include "effect/runtime_shader_builder.h" 26 #include "image/image.h" 27 28 namespace OHOS { 29 namespace Rosen { 30 namespace Drawing { 31 32 class GE_EXPORT GELinearGradientShaderMask : public GEShaderMask { 33 public: 34 GELinearGradientShaderMask(const GELinearGradientShaderMaskParams& param); 35 GELinearGradientShaderMask(const GELinearGradientShaderMask&) = delete; 36 ~GELinearGradientShaderMask() override = default; 37 38 std::shared_ptr<ShaderEffect> GenerateDrawingShader(float width, float height) const override; 39 std::shared_ptr<ShaderEffect> GenerateDrawingShaderHasNormal(float width, float height) const override; 40 41 private: 42 std::vector<std::pair<float, float>> fractionStops_; 43 Drawing::Point startPos_; 44 Drawing::Point endPos_; 45 }; 46 } // Drawing 47 } // namespace Rosen 48 } // namespace OHOS 49 50 #endif // GRAPHICS_EFFECT_GE_LINEAR_GRADIENT_MASK_H