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+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtPDF module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qpdfsearchmodel.h"
+#include "qpdfsearchmodel_p.h"
+#include "qpdfdocument_p.h"
+
+#include "third_party/pdfium/public/fpdf_doc.h"
+#include "third_party/pdfium/public/fpdf_text.h"
+
+#include <QLoggingCategory>
+
+QT_BEGIN_NAMESPACE
+
+Q_LOGGING_CATEGORY(qLcS, "qt.pdf.search")
+
+QPdfSearchModel::QPdfSearchModel(QObject *parent)
+ : QObject(parent),
+ d(new QPdfSearchModelPrivate())
+{
+}
+
+QPdfSearchModel::~QPdfSearchModel() {}
+
+QVector<QRectF> QPdfSearchModel::matches(int page, const QString &searchString)
+{
+ const QPdfMutexLocker lock;
+ FPDF_PAGE pdfPage = FPDF_LoadPage(d->document->d->doc, page);
+ if (!pdfPage) {
+ qWarning() << "failed to load page" << page;
+ return {};
+ }
+ double pageHeight = FPDF_GetPageHeight(pdfPage);
+ FPDF_TEXTPAGE textPage = FPDFText_LoadPage(pdfPage);
+ if (!textPage) {
+ qWarning() << "failed to load text of page" << page;
+ FPDF_ClosePage(pdfPage);
+ return {};
+ }
+ QVector<QRectF> ret;
+ if (searchString.isEmpty())
+ return ret;
+ FPDF_SCHHANDLE sh = FPDFText_FindStart(textPage, searchString.utf16(), 0, 0);
+ while (FPDFText_FindNext(sh)) {
+ int idx = FPDFText_GetSchResultIndex(sh);
+ int count = FPDFText_GetSchCount(sh);
+ int rectCount = FPDFText_CountRects(textPage, idx, count);
+ qCDebug(qLcS) << searchString << ": matched" << count << "chars @" << idx << "across" << rectCount << "rects";
+ for (int r = 0; r < rectCount; ++r) {
+ double left, top, right, bottom;
+ FPDFText_GetRect(textPage, r, &left, &top, &right, &bottom);
+ ret << QRectF(left, pageHeight - top, right - left, top - bottom);
+ qCDebug(qLcS) << ret.last();
+ }
+ }
+ FPDFText_FindClose(sh);
+ FPDFText_ClosePage(textPage);
+ FPDF_ClosePage(pdfPage);
+
+ return ret;
+}
+
+QPdfDocument *QPdfSearchModel::document() const
+{
+ return d->document;
+}
+
+void QPdfSearchModel::setDocument(QPdfDocument *document)
+{
+ if (d->document == document)
+ return;
+ d->document = document;
+ emit documentChanged();
+}
+
+QPdfSearchModelPrivate::QPdfSearchModelPrivate()
+{
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qpdfsearchmodel.cpp"