PDF4QT/Pdf4QtViewerPlugins/DimensionsPlugin/dimensionsplugin.h

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// Copyright (C) 2020-2021 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
// 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
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// 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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#ifndef DIMENSIONSPLUGIN_H
#define DIMENSIONSPLUGIN_H
#include "pdfplugin.h"
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#include "dimensiontool.h"
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#include <QObject>
namespace pdfplugin
{
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class DimensionsPlugin : public pdf::PDFPlugin, public pdf::IDocumentDrawInterface
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{
Q_OBJECT
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Q_PLUGIN_METADATA(IID "PDF4QT.DimensionsPlugin" FILE "DimensionsPlugin.json")
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private:
using BaseClass = pdf::PDFPlugin;
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public:
DimensionsPlugin();
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virtual void setWidget(pdf::PDFWidget* widget) override;
virtual void setDocument(const pdf::PDFModifiedDocument& document) override;
virtual std::vector<QAction*> getActions() const override;
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virtual void drawPage(QPainter* painter,
pdf::PDFInteger pageIndex,
const pdf::PDFPrecompiledPage* compiledPage,
pdf::PDFTextLayoutGetter& layoutGetter,
const QMatrix& pagePointToDevicePointMatrix,
QList<pdf::PDFRenderError>& errors) const override;
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private:
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void onShowDimensionsTriggered();
void onClearDimensionsTriggered();
void onSettingsTriggered();
void onDimensionCreated(Dimension dimension);
void updateActions();
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void updateGraphics();
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std::array<DimensionTool*, DimensionTool::LastStyle> m_dimensionTools;
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std::vector<Dimension> m_dimensions;
QAction* m_showDimensionsAction;
QAction* m_clearDimensionsAction;
QAction* m_settingsAction;
DimensionUnit m_lengthUnit;
DimensionUnit m_areaUnit;
DimensionUnit m_angleUnit;
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};
} // namespace pdfplugin
#endif // DIMENSIONSPLUGIN_H