1 /*
2 * Copyright (c) 2023 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/text/text_overlay_modifier.h"
17
18 #include "core/components_ng/render/drawing.h"
19 #include "core/components_ng/render/drawing_prop_convertor.h"
20
21 namespace OHOS::Ace::NG {
TextOverlayModifier()22 TextOverlayModifier::TextOverlayModifier()
23 {
24 paintOffset_ = AceType::MakeRefPtr<PropertyOffsetF>(OffsetF());
25 AttachProperty(paintOffset_);
26 selectedColor_ = AceType::MakeRefPtr<PropertyInt>(0);
27 AttachProperty(selectedColor_);
28 changeSelectedRects_ = AceType::MakeRefPtr<PropertyBool>(false);
29 AttachProperty(changeSelectedRects_);
30 isClip_ = AceType::MakeRefPtr<PropertyBool>(true);
31 AttachProperty(isClip_);
32 }
33
onDraw(DrawingContext & drawingContext)34 void TextOverlayModifier::onDraw(DrawingContext& drawingContext)
35 {
36 drawingContext.canvas.Save();
37 RSBrush brush;
38 brush.SetAntiAlias(true);
39 brush.SetColor(selectedColor_->Get());
40 drawingContext.canvas.AttachBrush(brush);
41
42 if (contentRect_.has_value() && isClip_ && isClip_->Get()) {
43 drawingContext.canvas.ClipRect(ToRSRect(contentRect_.value()), RSClipOp::INTERSECT);
44 }
45
46 auto paintOffset = paintOffset_->Get();
47 for (const auto& selectedRect : selectedRects_) {
48 auto rect = selectedRect;
49 if (contentRect_.has_value()) {
50 if (rect.Right() > contentRect_.value().Right()) {
51 rect.SetWidth(std::max(contentRect_.value().Right() - rect.Left(), 0.0));
52 }
53 }
54 drawingContext.canvas.DrawRect(RSRect(paintOffset.GetX() + rect.Left(), paintOffset.GetY() + rect.Top(),
55 paintOffset.GetX() + rect.Right(), paintOffset.GetY() + rect.Bottom()));
56 }
57 drawingContext.canvas.DetachBrush();
58 drawingContext.canvas.Restore();
59 }
60
SetPrintOffset(const OffsetF & paintOffset)61 void TextOverlayModifier::SetPrintOffset(const OffsetF& paintOffset)
62 {
63 CHECK_NULL_VOID(paintOffset_);
64 paintOffset_->Set(paintOffset);
65 }
66
SetSelectedColor(uint32_t selectedColor)67 void TextOverlayModifier::SetSelectedColor(uint32_t selectedColor)
68 {
69 CHECK_NULL_VOID(selectedColor_);
70 selectedColor_->Set(static_cast<int32_t>(selectedColor));
71 }
72
SetSelectedRects(const std::vector<Rect> & selectedRects)73 void TextOverlayModifier::SetSelectedRects(const std::vector<Rect>& selectedRects)
74 {
75 if (changeSelectedRects_ && IsSelectedRectsChanged(selectedRects)) {
76 changeSelectedRects_->Set(!changeSelectedRects_->Get());
77 }
78 selectedRects_ = selectedRects;
79 }
80
IsSelectedRectsChanged(const std::vector<Rect> & selectedRects)81 bool TextOverlayModifier::IsSelectedRectsChanged(const std::vector<Rect>& selectedRects)
82 {
83 bool result = false;
84 if (selectedRects.size() == selectedRects_.size()) {
85 for (unsigned int ii = 0; ii < selectedRects.size(); ii++) {
86 if (selectedRects[ii] != selectedRects_[ii]) {
87 result = true;
88 break;
89 }
90 }
91 } else {
92 result = true;
93 }
94 return result;
95 }
96 } // namespace OHOS::Ace::NG