| 1 | /****************************************************************************
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| 2 | ** $Id: showimg.h 2 2005-11-16 15:49:26Z dmik $
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| 3 | **
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| 4 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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| 5 | **
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| 6 | ** This file is part of an example program for Qt. This example
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| 7 | ** program may be used, distributed and modified without limitation.
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| 8 | **
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| 9 | *****************************************************************************/
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| 10 |
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| 11 | #ifndef SHOWIMG_H
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| 12 | #define SHOWIMG_H
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| 13 |
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| 14 | #include <qwidget.h>
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| 15 | #include <qimage.h>
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| 16 |
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| 17 |
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| 18 | class QLabel;
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| 19 | class QMenuBar;
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| 20 | class QPopupMenu;
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| 21 |
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| 22 | class ImageViewer : public QWidget
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| 23 | {
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| 24 | Q_OBJECT
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| 25 | public:
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| 26 | ImageViewer( QWidget *parent=0, const char *name=0, int wFlags=0 );
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| 27 | ~ImageViewer();
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| 28 | bool loadImage( const QString& );
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| 29 | protected:
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| 30 | void paintEvent( QPaintEvent * );
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| 31 | void resizeEvent( QResizeEvent * );
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| 32 | void mousePressEvent( QMouseEvent * );
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| 33 | void mouseReleaseEvent( QMouseEvent * );
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| 34 | void mouseMoveEvent( QMouseEvent * );
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| 35 |
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| 36 | private:
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| 37 | void scale();
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| 38 | int conversion_flags;
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| 39 | bool smooth() const;
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| 40 | bool useColorContext() const;
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| 41 | int alloc_context;
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| 42 | bool convertEvent( QMouseEvent* e, int& x, int& y );
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| 43 | QString filename;
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| 44 | QImage image; // the loaded image
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| 45 | QPixmap pm; // the converted pixmap
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| 46 | QPixmap pmScaled; // the scaled pixmap
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| 47 |
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| 48 | QMenuBar *menubar;
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| 49 | QPopupMenu *file;
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| 50 | QPopupMenu *saveimage;
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| 51 | QPopupMenu *savepixmap;
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| 52 | QPopupMenu *edit;
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| 53 | QPopupMenu *options;
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| 54 |
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| 55 | QWidget *helpmsg;
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| 56 | QLabel *status;
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| 57 | int si, sp, ac, co, mo, fd, bd, // Menu item ids
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| 58 | td, ta, ba, fa, au, ad, dd,
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| 59 | ss, cc, t1, t8, t32;
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| 60 | void updateStatus();
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| 61 | void setMenuItemFlags();
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| 62 | bool reconvertImage();
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| 63 | int pickx, picky;
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| 64 | int clickx, clicky;
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| 65 | bool may_be_other;
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| 66 | static ImageViewer* other;
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| 67 | void setImage(const QImage& newimage);
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| 68 |
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| 69 | private slots:
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| 70 | void to1Bit();
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| 71 | void to8Bit();
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| 72 | void to32Bit();
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| 73 | void toBitDepth(int);
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| 74 |
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| 75 | void copy();
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| 76 | void paste();
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| 77 |
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| 78 | void hFlip();
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| 79 | void vFlip();
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| 80 | void rot180();
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| 81 |
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| 82 | void editText();
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| 83 |
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| 84 | void newWindow();
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| 85 | void openFile();
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| 86 | void saveImage(int);
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| 87 | void savePixmap(int);
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| 88 | void giveHelp();
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| 89 | void doOption(int);
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| 90 | void copyFrom(ImageViewer*);
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| 91 | };
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| 92 |
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| 93 |
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| 94 | #endif // SHOWIMG_H
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