showimage.hpp

QT4.5实现的图片浏览器源码, 实现放大缩小图片,图片切换等功能,可以在LINUX平台和wingdows平台移植.

#ifndef SHOWIMAGE_H
#define SHOWIMAGE_H

#include <QPixmap>
#include <QWidget>
#include <QStringList>
#include <QDir>

class ShowImage : public QWidget
{
    Q_OBJECT

public:

    ShowImage(QWidget *parent = 0);

    QSize minimumSizeHint() const;
    QSize sizeHint() const;

signals:
    void get2end(bool);
    void get2beg(bool);
    void turn2default(int);

public slots:
    void init_path(QDir, QString);
    void show_next(void);
    void show_prev(void);
    void arise_scale(int);

protected:
    void paintEvent(QPaintEvent *event);

private:
    QStringList::const_iterator iterator;
    QStringList list;
    QDir filepath;
    QPixmap pixmap;
    double wscale;
    double hscale;
};

#endif