pdf/accessibility.h

   1 // Copyright 2019 The Chromium Authors
   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 namespace chrome_pdf {
  13
  14 class PDFEngine;
  15 struct AccessibilityCharInfo;
  16 struct AccessibilityPageInfo;
  17 struct AccessibilityPageObjects;
  18 struct AccessibilityTextRunInfo;
  19
  20 // Retrieve `page_info`, `text_runs`, `chars`, and `page_objects` from
  21 // `engine` for the page at 0-indexed `page_index`. Returns true on success with
  22 // all out parameters filled, or false on failure with all out parameters
  23 // untouched.
  24 bool GetAccessibilityInfo(PDFEngine* engine,
  25                           int32_t page_index,
  26                           AccessibilityPageInfo& page_info,
  27                           std::vector<AccessibilityTextRunInfo>& text_runs,
  28                           std::vector<AccessibilityCharInfo>& chars,
  29                           AccessibilityPageObjects& page_objects);
  30
  31 }  // namespace chrome_pdf
  32
  33 #endif  // PDF_ACCESSIBILITY_H_