channelmodel.h

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/*
 *  SPDX-FileCopyrightText: 2011 Sven Langkamp <sven.langkamp@gmail.com>
 *
 *  SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#ifndef CHANNELMODEL_H
#define CHANNELMODEL_H
 
#include <QModelIndex>
#include <QSize>
#include <QPointer>
 
#include <kis_canvas2.h>
#include <kis_types.h>
#include <kis_signal_auto_connection.h>
 
class KoColorSpace;
 
 
class ChannelModel : public QAbstractTableModel
{
    Q_OBJECT
public:
    ChannelModel(QObject* parent = 0);
    ~ChannelModel() override;
 
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
    bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override;
    Qt::ItemFlags flags(const QModelIndex& index) const override;
 
    void setCanvas(KisCanvas2* canvas);
    void setChannelThumbnails(const QVector<QImage> &channels, const KoColorSpace *cs);
 
    //set maximum size of the thumbnail image. This should be set based on screen resolution, etc.
    void setThumbnailSizeLimit(QSize size);
    QSize thumbnailSizeLimit() const;
 
public Q_SLOTS:
    void slotColorSpaceChanged(const KoColorSpace *colorSpace);
    void rowActivated(const QModelIndex &index);
 
Q_SIGNALS:
    void channelFlagsChanged();
 
private:
    QPointer<KisCanvas2> m_canvas;
    QVector<QImage> m_thumbnails;
 
    QSize m_thumbnailSizeLimit;
    int m_oversampleRatio;
    KisSignalAutoConnectionsStore m_canvasConnections;
    int m_channelCount;
};
 
 
#endif // CHANNELMODEL_H