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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PDF_PDFIUM_PDFIUM_RANGE_H_
#define PDF_PDFIUM_PDFIUM_RANGE_H_
#include <string>
#include <vector>
#include "base/strings/string16.h"
#include "pdf/pdfium/pdfium_page.h"
#include "ppapi/cpp/rect.h"
namespace chrome_pdf {
// Describes location of a string of characters.
class PDFiumRange {
public:
PDFiumRange(PDFiumPage* page, int char_index, int char_count);
PDFiumRange(const PDFiumRange& that);
~PDFiumRange();
// Update how many characters are in the selection. Could be negative if
// backwards.
void SetCharCount(int char_count);
int page_index() const { return page_->index(); }
int char_index() const { return char_index_; }
int char_count() const { return char_count_; }
// Gets bounding rectangles of range in screen coordinates.
const std::vector<pp::Rect>& GetScreenRects(const pp::Point& offset,
double zoom,
int rotation);
// Gets the string of characters in this range.
base::string16 GetText() const;
private:
PDFiumPage* page_;
// Index of first character.
int char_index_;
// How many characters are part of this range (negative if backwards).
int char_count_;
// Cache of ScreenRect, and the associated variables used when caching it.
std::vector<pp::Rect> cached_screen_rects_;
pp::Point cached_screen_rects_offset_;
double cached_screen_rects_zoom_ = 0;
};
} // namespace chrome_pdf
#endif // PDF_PDFIUM_PDFIUM_RANGE_H_
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