| 16 | namespace QtPDF { |
| 17 | |
| 18 | void PDFSearcher::populatePages() |
| 19 | { |
| 20 | const QMutexLocker mutexLocker{&m_mutex}; |
| 21 | m_pages.clear(); |
| 22 | const QSharedPointer<Backend::Document> doc{m_doc.toStrongRef()}; |
| 23 | |
| 24 | if (!doc) { |
| 25 | return; |
| 26 | } |
| 27 | |
| 28 | const size_type numPages = doc->numPages(); |
| 29 | const size_type startPage = [this,numPages] () { |
| 30 | if (m_startPage >= 0 && m_startPage < numPages) { |
| 31 | return m_startPage; |
| 32 | } |
| 33 | return static_cast<size_type>(0); |
| 34 | }(); |
| 35 | |
| 36 | if (!m_searchFlags.testFlag(Backend::Search_Backwards)) |
| 37 | { |
| 38 | // Search forwards |
| 39 | for (size_type page = startPage; page < numPages; ++page) { |
| 40 | m_pages.append(page); |
| 41 | } |
| 42 | if (m_searchFlags.testFlag(Backend::Search_WrapAround)) { |
| 43 | for (size_type page = 0; page < startPage; ++page) { |
| 44 | m_pages.append(page); |
| 45 | } |
| 46 | } |
| 47 | } |
| 48 | else { |
| 49 | // Search backwards |
| 50 | for (size_type page = startPage; page >= 0; --page) { |
| 51 | m_pages.append(page); |
| 52 | } |
| 53 | if (m_searchFlags.testFlag(Backend::Search_WrapAround)) { |
| 54 | for (size_type page = numPages - 1; page > startPage; --page) { |
| 55 | m_pages.append(page); |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | void PDFSearcher::ensureStopped() |
| 62 | { |