pdf/accessibility.h

   1 // Copyright 2019 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef PDF_ACCESSIBILITY_H_
   6 #define PDF_ACCESSIBILITY_H_
   7
   8 #include <stdint.h>
   9
  10 #include <vector>
  11
  12 struct PP_PrivateAccessibilityCharInfo;
  13 struct PP_PrivateAccessibilityPageInfo;
  14 struct PP_PrivateAccessibilityTextRunInfo;
  15
  16 namespace chrome_pdf {
  17
  18 class PDFEngine;
  19
  20 // Retrieve |page_info|, |text_runs|, and |chars| from |engine| for the page at
  21 // 0-indexed |page_index|. Returns true on success with all out parameters
  22 // filled, or false on failure with all out parameters untouched.
  23 bool GetAccessibilityInfo(
  24     PDFEngine* engine,
  25     int32_t page_index,
  26     PP_PrivateAccessibilityPageInfo* page_info,
  27     std::vector<PP_PrivateAccessibilityTextRunInfo>* text_runs,
  28     std::vector<PP_PrivateAccessibilityCharInfo>* chars);
  29
  30 }  // namespace chrome_pdf
  31
  32 #endif  // PDF_ACCESSIBILITY_H_