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/text_field/text_field_foreground_modifier.h"
17 
18 #include "base/geometry/dimension.h"
19 #include "core/components/common/properties/color.h"
20 #include "core/components_ng/base/modifier.h"
21 #include "core/components_ng/pattern/text_field/text_field_pattern.h"
22 #include "core/components_ng/render/drawing_forward.h"
23 
24 namespace OHOS::Ace::NG {
25 namespace {
26 constexpr int32_t OFFESET_VALUE = 2;
27 }
TextFieldForegroundModifier(const WeakPtr<OHOS::Ace::NG::Pattern> & pattern)28 TextFieldForegroundModifier::TextFieldForegroundModifier(const WeakPtr<OHOS::Ace::NG::Pattern>& pattern)
29     : pattern_(pattern)
30 {
31     innerBorderWidth_ = AceType::MakeRefPtr<PropertyFloat>(0.0f);
32     AttachProperty(innerBorderWidth_);
33 }
34 
onDraw(DrawingContext & context)35 void TextFieldForegroundModifier::onDraw(DrawingContext& context)
36 {
37     auto textFieldPattern = DynamicCast<TextFieldPattern>(pattern_.Upgrade());
38     CHECK_NULL_VOID(textFieldPattern);
39     auto paintProperty = textFieldPattern->GetPaintProperty<TextFieldPaintProperty>();
40     CHECK_NULL_VOID(paintProperty);
41     CHECK_NULL_VOID(paintProperty->HasInnerBorderColor());
42     CHECK_NULL_VOID(innerBorderWidth_);
43 
44     auto host = textFieldPattern->GetHost();
45     CHECK_NULL_VOID(host);
46     auto layoutProperty = textFieldPattern->GetLayoutProperty<TextFieldLayoutProperty>();
47     CHECK_NULL_VOID(layoutProperty);
48     auto renderContext = host->GetRenderContext();
49     CHECK_NULL_VOID(renderContext);
50     auto& canvas = context.canvas;
51     RSPen pen;
52     pen.SetColor(paintProperty->GetInnerBorderColorValue(Color()).GetValue());
53     auto width = innerBorderWidth_->Get();
54     pen.SetWidth(width);
55     pen.SetAntiAlias(true);
56     auto textFrameRect = textFieldPattern->GetFrameRect();
57     auto rsRadius = MakeRRadius(renderContext->GetBorderRadius().value_or(BorderRadiusProperty()), width);
58     RSRoundRect rrect(
59         RSRect(width / OFFESET_VALUE, width / OFFESET_VALUE, textFrameRect.Width() - width / OFFESET_VALUE,
60             textFrameRect.Height() - width / OFFESET_VALUE),
61         rsRadius);
62     canvas.AttachPen(pen);
63     canvas.DrawRoundRect(rrect);
64     canvas.DetachPen();
65 }
66 
MakeRRadius(const BorderRadiusProperty & border,float borderWidth) const67 std::vector<RSPoint> TextFieldForegroundModifier::MakeRRadius(
68     const BorderRadiusProperty& border, float borderWidth) const
69 {
70     std::vector<RSPoint> rectRadii;
71     rectRadii.resize(RSRoundRect::CORNER_NUMBER);
72     auto topLeft = static_cast<float>(border.radiusTopLeft.value_or(Dimension()).ConvertToPx()) - borderWidth;
73     rectRadii[RSRoundRect::TOP_LEFT_POS] = RSPoint(topLeft, topLeft);
74     auto topRight = static_cast<float>(border.radiusTopRight.value_or(Dimension()).ConvertToPx()) - borderWidth;
75     rectRadii[RSRoundRect::TOP_RIGHT_POS] = RSPoint(topRight, topRight);
76     auto bottomRight = static_cast<float>(border.radiusBottomRight.value_or(Dimension()).ConvertToPx()) - borderWidth;
77     rectRadii[RSRoundRect::BOTTOM_RIGHT_POS] = RSPoint(bottomRight, bottomRight);
78     auto bottomLeft = static_cast<float>(border.radiusBottomLeft.value_or(Dimension()).ConvertToPx()) - borderWidth;
79     rectRadii[RSRoundRect::BOTTOM_LEFT_POS] = RSPoint(bottomLeft, bottomLeft);
80     return rectRadii;
81 }
82 } // namespace OHOS::Ace::NG