Artifact c12581a293561e9231a66fca2b4bfc32792dcb5d:

• File src/FilterImage.hxx — part of check-in [c6da505522] at 2019-05-24 13:13:41 on branch scanner-singleton — Rename `ScanImage` to `Scanner` (user: fifr size: 2248) [more...]

/*
 * Copyright (c) 2018 Frank Fischer <frank-fischer@shadow-soft.de>
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see  <http://www.gnu.org/licenses/>
 */

#ifndef __FOTOKOPIERER_FILTERIMAGE_HXX__
#define __FOTOKOPIERER_FILTERIMAGE_HXX__

#include <QtQuick/QQuickPaintedItem>

#include <memory>

#include "Scanner.hxx"

class Filter;

class FilterImage : public QQuickPaintedItem
{
    Q_OBJECT

    Q_PROPERTY(qreal paintedWidth READ paintedWidth NOTIFY paintedSizeChanged)
    Q_PROPERTY(qreal paintedHeight READ paintedHeight NOTIFY paintedSizeChanged)

    Q_PROPERTY(Scanner::FilterType filterType READ filterType WRITE setFilterType NOTIFY filterTypeChanged)
    Q_PROPERTY(Scanner* image READ image WRITE setImage NOTIFY imageChanged)
    Q_PROPERTY(QVariant filter READ filter NOTIFY filterTypeChanged)

public:
    FilterImage(QQuickItem* parent = nullptr);

    FilterImage(const FilterImage&) = delete;
    FilterImage(FilterImage&&) = delete;
    FilterImage& operator=(const FilterImage&) = delete;
    FilterImage& operator=(FilterImage&&) = delete;

    ~FilterImage() override;

    qreal paintedWidth() const;

    qreal paintedHeight() const;

    Scanner::FilterType filterType() const;

    Scanner* image() const;

    void paint(QPainter* painter) override;

    QVariant filter() const;

public slots:
    void setFilterType(Scanner::FilterType type);

    void setImage(Scanner* image);

private:
    void updateFilter();

private slots:
    void update();

    void onFilteredImageReady();

signals:
    void paintedSizeChanged();

    void filterTypeChanged();

    void imageChanged();

private:
    struct Data;
    std::unique_ptr<Data> d;
};

#endif