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94 lines
2.2 KiB
94 lines
2.2 KiB
14 years ago
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/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#ifndef SHOWIMG_H
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#define SHOWIMG_H
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#include <qwidget.h>
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#include <qimage.h>
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class QLabel;
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class QMenuBar;
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class QPopupMenu;
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class ImageViewer : public QWidget
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{
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Q_OBJECT
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public:
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ImageViewer( QWidget *parent=0, const char *name=0, int wFlags=0 );
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~ImageViewer();
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bool loadImage( const QString& );
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protected:
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void paintEvent( QPaintEvent * );
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void resizeEvent( QResizeEvent * );
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void mousePressEvent( QMouseEvent * );
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void mouseReleaseEvent( QMouseEvent * );
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void mouseMoveEvent( QMouseEvent * );
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private:
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void scale();
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int conversion_flags;
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bool smooth() const;
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bool useColorContext() const;
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int alloc_context;
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bool convertEvent( QMouseEvent* e, int& x, int& y );
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QString filename;
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QImage image; // the loaded image
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QPixmap pm; // the converted pixmap
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QPixmap pmScaled; // the scaled pixmap
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QMenuBar *menubar;
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QPopupMenu *file;
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QPopupMenu *saveimage;
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QPopupMenu *savepixmap;
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QPopupMenu *edit;
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QPopupMenu *options;
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QWidget *helpmsg;
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QLabel *status;
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int si, sp, ac, co, mo, fd, bd, // Menu item ids
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td, ta, ba, fa, au, ad, dd,
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ss, cc, t1, t8, t32;
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void updateStatus();
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void setMenuItemFlags();
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bool reconvertImage();
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int pickx, picky;
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int clickx, clicky;
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bool may_be_other;
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static ImageViewer* other;
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void setImage(const QImage& newimage);
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private slots:
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void to1Bit();
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void to8Bit();
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void to32Bit();
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void toBitDepth(int);
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void copy();
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void paste();
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void hFlip();
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void vFlip();
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void rot180();
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void editText();
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void newWindow();
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void openFile();
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void saveImage(int);
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void savePixmap(int);
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void giveHelp();
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void doOption(int);
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void copyFrom(ImageViewer*);
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};
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#endif // SHOWIMG_H
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