89 wiersze
2.3 KiB
C++
89 wiersze
2.3 KiB
C++
//
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// (c)2021 by Lucky Resistor. https://luckyresistor.me/
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// This program 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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#pragma once
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#include "OverlayMode.hpp"
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#include <QtWidgets/QWidget>
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#include <QtGui/QImage>
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#include <QtGui/QPixmap>
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#include <QtCore/QVariantMap>
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class Converter;
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/// Preview the bitmap.
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///
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class BitmapPreview : public QWidget
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{
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Q_OBJECT
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public:
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explicit BitmapPreview(QWidget *parent = nullptr);
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public:
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/// Assign a new image.
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///
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void setImage(const QImage &image);
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/// Set the overlay mode.
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///
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void setOverlayMode(OverlayMode overlayMode);
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/// Set the current converter.
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///
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void setConverter(const Converter *converter);
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/// Set the current parameter.
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///
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void setParameter(const QVariantMap ¶meter);
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public:
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QSize sizeHint() const override;
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QSize minimumSizeHint() const override;
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protected: // QWidget interface
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void paintEvent(QPaintEvent *event) override;
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void resizeEvent(QResizeEvent *event) override;
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private:
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/// update the generated size
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///
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void updateGeneratedSize();
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/// Recalculate all sizes
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///
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void recalculate();
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/// Set the generated image size.
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///
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void setGeneratedSize(const QSize &size);
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private:
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QImage _image; ///< The current image.
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QSize _generatedSize; ///< The generated image size.
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QPixmap _pixmap; ///< QPixmap representation of the image.
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int _displayFactor; ///< The display factor.
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QSize _minimumSize; ///< The preferred size of this widget.
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OverlayMode _overlayMode; ///< The overlay mode.
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const Converter *_converter; ///< The current converter.
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QVariantMap _parameter; ///< The current set of parameter.
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};
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