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// Copyright (c) 2006-2008 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.
#include "printing/page_range.h"
#include "base/stl_util-inl.h"
namespace printing {
/* static */
std::vector<int> PageRange::GetPages(const PageRanges& ranges) {
std::set<int> pages;
for (unsigned i = 0; i < ranges.size(); ++i) {
const PageRange& range = ranges[i];
// Ranges are inclusive.
for (int i = range.from; i <= range.to; ++i) {
pages.insert(i);
}
}
return SetToVector(pages);
}
/* static */
int PageRange::GetTotalPages(const PageRanges& ranges) {
// Since ranges can overlap we need to merge them before counting
std::vector<int> pages = PageRange::GetPages(ranges);
return pages.size();
}
} // namespace printing
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