1 /*
2  * Copyright (c) 2022-2023 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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_RENDER_BORDER_IMAGE_PAINT_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_RENDER_BORDER_IMAGE_PAINT_H
18 
19 #include <cmath>
20 
21 #include "base/geometry/ng/size_t.h"
22 #include "base/memory/ace_type.h"
23 #include "core/components/common/properties/border_image.h"
24 #include "core/components_ng/property/gradient_property.h"
25 #include "core/components_ng/render/drawing.h"
26 #include "core/components_ng/render/render_property.h"
27 
28 namespace OHOS::Ace::NG {
29 struct DisplayScaleInfo {
30     double vpScale = 0.0;
31     double lpxScale = 0.0;
32 };
33 class BorderImagePainter : public virtual AceType {
34     DECLARE_ACE_TYPE(BorderImagePainter, AceType);
35 
36 public:
37     BorderImagePainter(BorderImageProperty bdImageProps, const std::unique_ptr<BorderWidthProperty>& widthProp,
38         const SizeF& paintSize, const RSImage& image, const DisplayScaleInfo& dipscaleInfoe);
39     ~BorderImagePainter() override = default;
40     void PaintBorderImage(const OffsetF& offset, RSCanvas& canvas) const;
41     RectF GetDrawRect(const OffsetF& offset);
42 
43 private:
44     void InitPainter();
45     void PaintBorderImageCorners(const OffsetF& offset, RSCanvas& canvas) const;
46     void PaintBorderImageStretch(const OffsetF& offset, RSCanvas& canvas) const;
47     void PaintBorderImageRound(const OffsetF& offset, RSCanvas& canvas) const;
48     void PaintBorderImageSpace(const OffsetF& offset, RSCanvas& canvas) const;
49     void PaintBorderImageRepeat(const OffsetF& offset, RSCanvas& canvas) const;
50     void FillBorderImageCenter(const OffsetF& offset, RSCanvas& canvas) const;
51 
52     void InitBorderImageSlice();
53     void InitBorderImageWidth();
54     void InitBorderImageOutset();
55     void ParseNegativeNumberToZeroOrCeil(double& value);
56 
57     bool hasWidthProp_  = false;
58     BorderImageProperty borderImageProperty_;
59     BorderWidthProperty widthProp_;
60     SizeF paintSize_;
61     RSImage image_;
62 
63     double imageWidth_ = 0.0;
64     double imageHeight_ = 0.0;
65     double imageCenterWidth_ = 0.0;
66     double imageCenterHeight_ = 0.0;
67     double borderCenterWidth_ = 0.0;
68     double borderCenterHeight_ = 0.0;
69 
70     double dipScale_ = 0.0;
71     double lpxScale_ = 0.0;
72     double leftWidth_ = 0.0;
73     double topWidth_ = 0.0;
74     double rightWidth_ = 0.0;
75     double bottomWidth_ = 0.0;
76 
77     double leftSlice_ = 0.0;
78     double topSlice_ = 0.0;
79     double rightSlice_ = 0.0;
80     double bottomSlice_ = 0.0;
81 
82     double leftOutset_ = 0.0;
83     double topOutset_ = 0.0;
84     double rightOutset_ = 0.0;
85     double bottomOutset_ = 0.0;
86 
87     RSRect srcRectLeft_;
88     RSRect srcRectRight_;
89     RSRect srcRectTop_;
90     RSRect srcRectBottom_;
91 
92     bool paintCornersOnly_ = false;
93 };
94 } // namespace OHOS::Ace::NG
95 
96 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_RENDER_BORDER_IMAGE_PAINT_H
97