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# pixeldelegate.h Example File
itemviews/pixelator/pixeldelegate.h

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        #ifndef PIXELDELEGATE_H
        #define PIXELDELEGATE_H

        #include <QAbstractItemDelegate>
        #include <QFontMetrics>
        #include <QModelIndex>
        #include <QSize>

        class QAbstractItemModel;
        class QObject;
        class QPainter;

        static const int ItemSize = 256;
        static const int PixelSize = 12;

        class PixelDelegate : public QAbstractItemDelegate
        {
            Q_OBJECT

        public:
            PixelDelegate(QObject *parent = 0)
                : QAbstractItemDelegate(parent) {}

            void paint(QPainter *painter, const QStyleOptionViewItem &option,
                       const QModelIndex &index) const;

            QSize sizeHint(const QStyleOptionViewItem &option,
                           const QModelIndex &index ) const;
        };

        #endif