1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MEDIAPROVIDER_PDF_JNI_PDFCLIENT_UTILS_TEXT_H_ 18 #define MEDIAPROVIDER_PDF_JNI_PDFCLIENT_UTILS_TEXT_H_ 19 20 #include <map> 21 #include <string> 22 #include <unordered_map> 23 #include <vector> 24 25 #include "fpdf_structtree.h" 26 #include "fpdfview.h" 27 28 namespace pdfClient_utils { 29 std::string FPDF_StructElement_GetAltText(FPDF_STRUCTELEMENT elem); 30 std::string FPDFAnnot_GetStringValue(FPDF_ANNOTATION annot, FPDF_BYTESTRING key); 31 std::string FPDFAnnot_GetOptionLabel(FPDF_FORMHANDLE hHandle, FPDF_ANNOTATION annot, int index); 32 std::string FORM_GetFocusedText(FPDF_FORMHANDLE hHandle, FPDF_PAGE page); 33 34 // Extracts non-empty instances of alt text on |page| to put in |result|. 35 void GetAltText(const FPDF_PAGE page, std::vector<std::string>* result); 36 37 // Extracts non-empty instances of alt text on |page| to put in |result|, keyed 38 // by marked content ID. Does not preserve order and drops duplicate IDs. 39 void GetAltText(const FPDF_PAGE page, std::unordered_map<int, std::string>* result); 40 } // namespace pdfClient_utils 41 #endif // MEDIAPROVIDER_PDF_JNI_PDFCLIENT_UTILS_TEXT_H_