C++ (Cpp) Page::search Examples

Example #1

File: pdfjob.cpp Project: rainemak/sailfish-office

void SearchDocumentJob::run()
{
    Q_ASSERT(m_document);

    for (int i = 0; i < m_document->numPages(); ++i) {
        int ipage = (startPage + i) % m_document->numPages();
        Poppler::Page *page = m_document->page(ipage);
    
        double sLeft, sTop, sRight, sBottom;
        float scaleW = 1.f / page->pageSizeF().width();
        float scaleH = 1.f / page->pageSizeF().height();
        bool found;
        found = page->search(m_search, sLeft, sTop, sRight, sBottom,
                             Poppler::Page::FromTop,
                             Poppler::Page::IgnoreCase);
        while (found) {
            QRectF result;
            result.setLeft(sLeft * scaleW);
            result.setTop(sTop * scaleH);
            result.setRight(sRight * scaleW);
            result.setBottom(sBottom * scaleH);
            m_matches.append(QPair<int, QRectF>(ipage, result));
            found = page->search(m_search, sLeft, sTop, sRight, sBottom,
                                 Poppler::Page::NextResult,
                                 Poppler::Page::IgnoreCase);
        }

        delete page;
    }
}

Example #2

File: search.cpp Project: meisterT/katarakt

void SearchWorker::run() {
	while (1) {
		bar->search_mutex.lock();
		stop = false;
		if (die) {
			break;
		}
		// always clear results -> empty search == stop search
		emit clear_hits();

		// get search string
		bar->term_mutex.lock();
		if (bar->term.isEmpty()) {
			bar->term_mutex.unlock();
			emit update_label_text("done.");
			continue;
		}
		int start = bar->start_page;
		QString search_term = bar->term;
		forward = bar->forward;
		bar->term_mutex.unlock();

		// check if term contains upper case letters; if so, do case sensitive search (smartcase)
		bool has_upper_case = false;
		for (QString::const_iterator it = search_term.begin(); it != search_term.end(); ++it) {
			if (it->isUpper()) {
				has_upper_case = true;
				break;
			}
		}

#ifdef DEBUG
		cerr << "'" << search_term.toUtf8().constData() << "'" << endl;
#endif
		emit update_label_text(QString("[%1] 0\% searched, 0 hits")
			.arg(has_upper_case ? "Case" : "no case"));

		// search all pages
		int hit_count = 0;
		int page = start;
		do {
			Poppler::Page *p = bar->doc->page(page);
			if (p == NULL) {
				cerr << "failed to load page " << page << endl;
				continue;
			}

			// collect all occurrences
			QList<QRectF> *hits = new QList<QRectF>;
#if POPPLER_VERSION < POPPLER_VERSION_CHECK(0, 22, 0)
			// old search interface, slow for many hits per page
			double x = 0, y = 0, x2 = 0, y2 = 0;
			while (!stop && !die &&
					p->search(search_term, x, y, x2, y2, Poppler::Page::NextResult,
						has_upper_case ? Poppler::Page::CaseSensitive : Poppler::Page::CaseInsensitive)) {
				hits->push_back(QRectF(x, y, x2 - x, y2 - y));
			}
#elif POPPLER_VERSION < POPPLER_VERSION_CHECK(0, 31, 0)
			// new search interface
			QList<QRectF> tmp = p->search(search_term,
					has_upper_case ? Poppler::Page::CaseSensitive : Poppler::Page::CaseInsensitive);
			hits->swap(tmp);
#else
			// even newer interface
			QList<QRectF> tmp = p->search(search_term,
					has_upper_case ? (Poppler::Page::SearchFlags) 0 : Poppler::Page::IgnoreCase);
			// TODO support Poppler::Page::WholeWords
			hits->swap(tmp);
#endif
#ifdef DEBUG
			if (hits->size() > 0) {
				cerr << hits->size() << " hits on page " << page << endl;
			}
#endif
			delete p;

			// clean up when interrupted
			if (stop || die) {
				delete hits;
				break;
			}

			if (hits->size() > 0) {
				hit_count += hits->size();
				emit search_done(page, hits);
			} else {
				delete hits;
			}

			// update progress label next to the search bar
			int percent;
			if (forward) {
				percent = page + bar->doc->numPages() - start;
			} else {
				percent = start + bar->doc->numPages() - page;
			}
			percent = (percent % bar->doc->numPages()) * 100 / bar->doc->numPages();
			QString progress = QString("[%1] %2\% searched, %3 hits")
				.arg(has_upper_case ? "Case" : "no case")
				.arg(percent)
				.arg(hit_count);
			emit update_label_text(progress);

			if (forward) {
				if (++page == bar->doc->numPages()) {
					page = 0;
				}
			} else {
				if (--page == -1) {
					page = bar->doc->numPages() - 1;
				}
			}
		} while (page != start);
#ifdef DEBUG
		cerr << "done!" << endl;
#endif
		emit update_label_text(QString("[%1] done, %2 hits")
				.arg(has_upper_case ? "Case" : "no case")
				.arg(hit_count));
	}
}