mirror of https://github.com/JakubMelka/PDF4QT.git
144 lines
4.2 KiB
C++
144 lines
4.2 KiB
C++
// Copyright (C) 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
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) 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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#ifndef OUTPUTPREVIEWWIDGET_H
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#define OUTPUTPREVIEWWIDGET_H
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#include "pdftransparencyrenderer.h"
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#include <QWidget>
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namespace pdfplugin
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{
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class OutputPreviewWidget : public QWidget
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{
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Q_OBJECT
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private:
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using BaseClass = QWidget;
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public:
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explicit OutputPreviewWidget(QWidget* parent);
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enum DisplayMode
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{
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Separations,
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ColorWarningInkCoverage,
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ColorWarningRichBlack,
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InkCoverage
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};
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virtual QSize sizeHint() const override;
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virtual QSize minimumSizeHint() const override;
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/// Clears all widget contents
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void clear();
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/// Set active image
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void setPageImage(QImage image, pdf::PDFFloatBitmapWithColorSpace originalProcessBitmap, QSizeF pageSizeMM);
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const pdf::PDFInkMapper* getInkMapper() const;
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void setInkMapper(const pdf::PDFInkMapper* inkMapper);
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/// Returns page image size hint (ideal size of page image)
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QSize getPageImageSizeHint() const;
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QColor getAlarmColor() const;
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void setAlarmColor(const QColor& alarmColor);
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DisplayMode getDisplayMode() const;
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void setDisplayMode(const DisplayMode& displayMode);
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pdf::PDFColorComponent getInkCoverageLimit() const;
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void setInkCoverageLimit(pdf::PDFColorComponent inkCoverageLimit);
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pdf::PDFColorComponent getRichBlackLimit() const;
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void setRichBlackLimit(pdf::PDFColorComponent richBlackLimit);
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protected:
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virtual void paintEvent(QPaintEvent* event) override;
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virtual void mouseMoveEvent(QMouseEvent* event) override;
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private:
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QMargins getDrawMargins() const;
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QRect getContentRect() const;
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QRect getPageImageRect(QRect contentRect) const;
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int getInfoBoxWidth() const;
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int getInfoBoxContentHorizontalMargin() const;
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void buildInfoBoxItems();
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void addInfoBoxHeader(QString caption);
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void addInfoBoxSeparator();
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void addInfoBoxColoredItem(QColor color, QString caption, QString value);
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void addInfoBoxColoredRect(QColor color);
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const std::vector<pdf::PDFColorComponent>& getInkCoverage() const;
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const QImage& getAlarmCoverageImage() const;
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const QImage& getAlarmRichBlackImage() const;
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std::vector<pdf::PDFColorComponent> getInkCoverageImpl() const;
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QImage getAlarmCoverageImageImpl() const;
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QImage getAlarmRichBlackImageImpl() const;
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enum InfoBoxStyle
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{
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Header,
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Separator,
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ColoredItem,
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ColorOnly
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};
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struct InfoBoxItem
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{
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InfoBoxItem(InfoBoxStyle style, QColor color, QString caption, QString value) :
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style(style),
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color(color),
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caption(caption),
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value(value)
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{
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}
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InfoBoxStyle style = InfoBoxStyle::Separator;
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QColor color;
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QString caption;
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QString value;
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};
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const pdf::PDFInkMapper* m_inkMapper;
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DisplayMode m_displayMode;
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std::vector<InfoBoxItem> m_infoBoxItems;
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QColor m_alarmColor;
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std::optional<QPoint> m_imagePointUnderCursor;
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pdf::PDFColorComponent m_inkCoverageLimit;
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pdf::PDFColorComponent m_richBlackLimit;
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mutable pdf::PDFCachedItem<std::vector<pdf::PDFColorComponent>> m_inkCoverageMM;
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mutable pdf::PDFCachedItem<QImage> m_alarmCoverageImage;
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mutable pdf::PDFCachedItem<QImage> m_alarmRichBlackImage;
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QImage m_pageImage;
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pdf::PDFFloatBitmapWithColorSpace m_originalProcessBitmap;
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QSizeF m_pageSizeMM;
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};
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} // pdfplugin
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#endif // OUTPUTPREVIEWWIDGET_H
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