1 /* 2 * Copyright (c) 2022 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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PAINTS_SWIPER_SWIPER_PAINT_METHOD_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PAINTS_SWIPER_SWIPER_PAINT_METHOD_H 18 19 #include "base/memory/ace_type.h" 20 #include "base/utils/macros.h" 21 #include "core/components_ng/render/drawing.h" 22 #include "core/components_ng/render/node_paint_method.h" 23 24 namespace OHOS::Ace::NG { 25 26 class SwiperPaintMethod : public NodePaintMethod { DECLARE_ACE_TYPE(SwiperPaintMethod,NodePaintMethod)27 DECLARE_ACE_TYPE(SwiperPaintMethod, NodePaintMethod) 28 29 public: 30 SwiperPaintMethod(Axis axis, float mainDelta) : axis_(axis), mainDelta_(mainDelta) {}; 31 ~SwiperPaintMethod() override = default; 32 33 CanvasDrawFunction GetOverlayDrawFunction(PaintWrapper* paintWrapper) override; 34 CanvasDrawFunction GetContentDrawFunction(PaintWrapper* paintWrapper) override; 35 SetNeedPaintFade(bool needPaintFade)36 void SetNeedPaintFade(bool needPaintFade) 37 { 38 needPaintFade_ = needPaintFade; 39 } 40 SetNeedClipPadding(bool needClipPadding)41 void SetNeedClipPadding(bool needClipPadding) 42 { 43 needClipPadding_ = needClipPadding; 44 } 45 46 private: 47 void PaintFade(RSCanvas& canvas, PaintWrapper* paintWrapper) const; 48 void ClipPadding(PaintWrapper* paintWrapper, RSCanvas& canvas) const; 49 50 bool needPaintFade_ = false; 51 bool needClipPadding_ = false; 52 Axis axis_; 53 float mainDelta_ = 0.0f; 54 }; 55 } // namespace OHOS::Ace::NG 56 57 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PAINTS_SWIPER_SWIPER_PAINT_METHOD_H 58