1 /* 2 * Copyright (c) 2024 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 #include "core/components_ng/pattern/image/image_overlay_modifier.h" 17 18 #include "base/utils/utils.h" 19 #include "core/common/container.h" 20 #include "core/components_ng/render/drawing.h" 21 #include "core/components_ng/render/drawing_prop_convertor.h" 22 #include "core/pipeline_ng/pipeline_context.h" 23 24 namespace OHOS::Ace::NG { ImageOverlayModifier(const Color & selectedColor)25ImageOverlayModifier::ImageOverlayModifier(const Color& selectedColor) : selectedColor_(selectedColor) 26 { 27 offset_ = AceType::MakeRefPtr<PropertyOffsetF>(OffsetF()); 28 AttachProperty(offset_); 29 isSelected_ = AceType::MakeRefPtr<PropertyBool>(false); 30 AttachProperty(isSelected_); 31 size_ = AceType::MakeRefPtr<PropertySizeF>(SizeF()); 32 AttachProperty(size_); 33 } 34 onDraw(DrawingContext & drawingContext)35void ImageOverlayModifier::onDraw(DrawingContext& drawingContext) 36 { 37 CHECK_NULL_VOID(isSelected_->Get()); 38 auto& canvas = drawingContext.canvas; 39 canvas.Save(); 40 RSBrush brush; 41 brush.SetAntiAlias(true); 42 brush.SetColor(selectedColor_.GetValue()); 43 canvas.AttachBrush(brush); 44 45 auto offset = offset_->Get(); 46 auto size = size_->Get(); 47 48 canvas.DrawRect( 49 RSRect(offset.GetX(), offset.GetY(), offset.GetX() + size.Width(), offset.GetY() + size.Height())); 50 51 canvas.DetachBrush(); 52 canvas.Restore(); 53 } 54 55 } // namespace OHOS::Ace::NG