mirror of https://github.com/JakubMelka/PDF4QT.git
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// Copyright (C) 2023 Jakub Melka
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//
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// This file is part of PDF4QT.
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//
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// PDF4QT is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// with the written consent of the copyright owner, any later version.
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//
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// PDF4QT is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
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#include "pdfglobal.h"
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#include <QRectF>
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#include <QTransform>
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namespace pdf
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{
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class PDFPrecompiledPage;
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/// Snapshot for current widget viewable items.
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struct PDF4QTLIBCORESHARED_EXPORT PDFWidgetSnapshot
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{
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struct SnapshotItem
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{
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PDFInteger pageIndex = -1; ///< Index of page
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QRectF rect; ///< Page rectangle on viewport
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QTransform pageToDeviceMatrix; ///< Transforms page coordinates to widget coordinates
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const PDFPrecompiledPage* compiledPage = nullptr; ///< Compiled page (can be nullptr)
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};
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bool hasPage(PDFInteger pageIndex) const { return getPageSnapshot(pageIndex) != nullptr; }
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const SnapshotItem* getPageSnapshot(PDFInteger pageIndex) const;
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using SnapshotItems = std::vector<SnapshotItem>;
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SnapshotItems items;
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};
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} // namespace pdf
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