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 "rs_graphic_test_text.h"
17
18 #include "draw/brush.h"
19 #include "modifier/rs_extended_modifier.h"
20 #include "modifier/rs_property_modifier.h"
21 #include "text/font.h"
22 #include "text/font_types.h"
23 #include "text/text_blob.h"
24
25 namespace OHOS {
26 namespace Rosen {
SetPosition(Vector2f position)27 void TextCustomModifier::SetPosition(Vector2f position)
28 {
29 if (position_ == nullptr) {
30 position_ = std::make_shared<RSProperty<Vector2f>>(position);
31 AttachProperty(position_);
32 } else {
33 position_->Set(position);
34 }
35 }
36
SetBrushColor(uint32_t color)37 void TextCustomModifier::SetBrushColor(uint32_t color)
38 {
39 if (color_ == nullptr) {
40 color_ = std::make_shared<RSProperty<uint32_t>>(color);
41 AttachProperty(color_);
42 } else {
43 color_->Set(color);
44 }
45 }
46
SetFontSize(float size)47 void TextCustomModifier::SetFontSize(float size)
48 {
49 if (size_ == nullptr) {
50 size_ = std::make_shared<RSProperty<float>>(size);
51 AttachProperty(size_);
52 } else {
53 size_->Set(size);
54 }
55 }
56
SetText(std::string text)57 void TextCustomModifier::SetText(std::string text)
58 {
59 if (text_ == nullptr) {
60 text_ = std::make_shared<RSProperty<std::string>>(text);
61 AttachProperty(text_);
62 } else {
63 text_->Set(text);
64 }
65 }
66
Draw(RSDrawingContext & context) const67 void TextCustomModifier::Draw(RSDrawingContext& context) const
68 {
69 if (text_ == nullptr)
70 return;
71 uint32_t colorInt = 0xff000000;
72 Vector2f position = { 0.0, 0.0 };
73 float fontSize = 16;
74 if (color_ != nullptr)
75 colorInt = color_->Get();
76 if (position_ != nullptr)
77 position = position_->Get();
78 if (size_ != nullptr)
79 fontSize = size_->Get();
80 auto brushColor = OHOS::Rosen::Drawing::Color(colorInt);
81 Drawing::Brush brush;
82 brush.SetColor(brushColor);
83 brush.SetAntiAlias(true);
84
85 Drawing::Font font = Drawing::Font();
86 font.SetSize(fontSize); // text size 16
87 std::shared_ptr<Drawing::TextBlob> scaleInfoTextBlob =
88 Drawing::TextBlob::MakeFromString(text_->Get().c_str(), font, Drawing::TextEncoding::UTF8);
89 context.canvas->AttachBrush(brush);
90 context.canvas->DrawTextBlob(scaleInfoTextBlob.get(), position[0], position[1]);
91 context.canvas->DetachBrush();
92 }
93 } // namespace Rosen
94 } // namespace OHOS