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 #ifndef OHOS_ROSEN_JS_TEXT_LINE_H 17 #define OHOS_ROSEN_JS_TEXT_LINE_H 18 19 #include <native_engine/native_engine.h> 20 #include <native_engine/native_value.h> 21 #include "napi_common.h" 22 #include "text_line_base.h" 23 #include "typography_style.h" 24 #include "typography.h" 25 26 namespace OHOS::Rosen { 27 class JsTextLine final { 28 public: 29 JsTextLine(); 30 31 void SetTextLine(std::unique_ptr<TextLineBase> textLine); 32 static napi_value CreateTextLine(napi_env env, napi_callback_info info); 33 static napi_value Init(napi_env env, napi_value exportObj); 34 static napi_value Constructor(napi_env env, napi_callback_info info); 35 static void Destructor(napi_env env, void *nativeObject, void *finalize); 36 static napi_value GetGlyphCount(napi_env env, napi_callback_info info); 37 static napi_value GetGlyphRuns(napi_env env, napi_callback_info info); 38 static napi_value GetTextRange(napi_env env, napi_callback_info info); 39 static napi_value Paint(napi_env env, napi_callback_info info); 40 std::unique_ptr<TextLineBase> GetTextLineBase(); 41 void SetParagraph(std::shared_ptr<Typography> paragraph); 42 43 static napi_value CreateTruncatedLine(napi_env env, napi_callback_info info); 44 static napi_value GetTypographicBounds(napi_env env, napi_callback_info info); 45 static napi_value GetImageBounds(napi_env env, napi_callback_info info); 46 static napi_value GetTrailingSpaceWidth(napi_env env, napi_callback_info info); 47 static napi_value GetStringIndexForPosition(napi_env env, napi_callback_info info); 48 static napi_value GetOffsetForStringIndex(napi_env env, napi_callback_info info); 49 static napi_value EnumerateCaretOffsets(napi_env env, napi_callback_info info); 50 static napi_value GetAlignmentOffset(napi_env env, napi_callback_info info); 51 52 private: 53 napi_value OnGetGlyphCount(napi_env env, napi_callback_info info); 54 napi_value OnGetGlyphRuns(napi_env env, napi_callback_info info); 55 napi_value OnGetTextRange(napi_env env, napi_callback_info info); 56 napi_value OnPaint(napi_env env, napi_callback_info info); 57 napi_value OnCreateTruncatedLine(napi_env env, napi_callback_info info, napi_ref constructor); 58 napi_value OnGetTypographicBounds(napi_env env, napi_callback_info info); 59 napi_value OnGetImageBounds(napi_env env, napi_callback_info info); 60 napi_value OnGetTrailingSpaceWidth(napi_env env, napi_callback_info info); 61 napi_value OnGetStringIndexForPosition(napi_env env, napi_callback_info info); 62 napi_value OnGetOffsetForStringIndex(napi_env env, napi_callback_info info); 63 napi_value OnEnumerateCaretOffsets(napi_env env, napi_callback_info info); 64 napi_value OnGetAlignmentOffset(napi_env env, napi_callback_info info); 65 66 static bool CreateConstructor(napi_env env); 67 static thread_local napi_ref constructor_; 68 static std::mutex constructorMutex_; 69 std::unique_ptr<TextLineBase> textLine_ = nullptr; 70 std::shared_ptr<Typography> paragraph_ = nullptr; 71 }; 72 } // namespace OHOS::Rosen 73 #endif // OHOS_ROSEN_JS_TEXT_LINE_H