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 std::optional<Dimension> constraintWidth = std::nullopt; 31 std::optional<Dimension> fontSize = std::nullopt; 32 std::optional<Dimension> lineHeight = std::nullopt; 33 std::optional<Dimension> baselineOffset = std::nullopt; 34 std::optional<Dimension> letterSpacing = std::nullopt; 35 int32_t maxlines = 0; 36 TextAlign textAlign = TextAlign::START; 37 FontStyle fontStyle = FontStyle::NORMAL; 38 TextOverflow textOverlayFlow = TextOverflow::CLIP; 39 TextCase textCase = TextCase::NORMAL; 40 }; 41 42 class MeasureUtil { 43 public: 44 static double MeasureText(const MeasureContext& context); 45 static Size MeasureTextSize(const MeasureContext& context); 46 }; 47 } // namespace OHOS::Ace 48 49 #endif // FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_MEASURE_UTIL_H 50