1 /*
2  * Copyright (c) 2022-2022 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_BASE_UTILS_MEASURE_UTIL_H
17 #define FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_MEASURE_UTIL_H
18 
19 #include <optional>
20 #include <string>
21 
22 #include "core/components/common/layout/constants.h"
23 #include "core/components/common/properties/text_style.h"
24 
25 namespace OHOS::Ace {
26 struct MeasureContext {
27     std::string textContent;
28     std::string fontWeight;
29     std::string fontFamily;
30     bool isFontSizeUseDefaultUnit = false;
31     bool isReturnActualWidth = false;
32     std::optional<Dimension> constraintWidth = std::nullopt;
33     std::optional<Dimension> fontSize = std::nullopt;
34     std::optional<Dimension> lineHeight = std::nullopt;
35     std::optional<Dimension> baselineOffset = std::nullopt;
36     std::optional<Dimension> letterSpacing = std::nullopt;
37     std::optional<Dimension> lineSpacing = std::nullopt;
38     std::optional<Dimension> textIndent = std::nullopt;
39     int32_t maxlines = 0;
40     TextAlign textAlign = TextAlign::START;
41     FontStyle fontStyle = FontStyle::NORMAL;
42     TextOverflow textOverlayFlow = TextOverflow::CLIP;
43     TextCase textCase = TextCase::NORMAL;
44     WordBreak wordBreak = WordBreak::BREAK_WORD;
45     LineBreakStrategy lineBreakStrategy = LineBreakStrategy::GREEDY;
46 };
47 
48 class ACE_FORCE_EXPORT MeasureUtil {
49 public:
50     static double MeasureText(const MeasureContext& context);
51     static Size MeasureTextSize(const MeasureContext& context);
52 };
53 } // namespace OHOS::Ace
54 
55 #endif // FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_MEASURE_UTIL_H
56