| 1 | /*************************************************************************** |
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| 2 | QImageWidget.cpp - description |
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| 3 | ------------------- |
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| 4 | begin : Fri Nov 17 2000 |
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| 5 | copyright : (C) 2000 by Rainer Lehrig |
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| 6 | email : lehrig@t-online.de |
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| 7 | ***************************************************************************/ |
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| 8 | |
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| 9 | /*************************************************************************** |
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| 10 | * * |
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| 11 | * This program is free software; you can redistribute it and/or modify * |
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| 12 | * it under the terms of the GNU General Public License as published by * |
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| 13 | * the Free Software Foundation; either version 2 of the License, or * |
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| 14 | * (at your option) any later version. * |
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| 15 | * * |
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| 16 | ***************************************************************************/ |
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| 17 | #include "q_image_widget.h" |
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| 18 | #include <QtGui/QPainter> |
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| 19 | #include <QtGui/QPaintEvent> |
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| 20 | |
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| 21 | QImageWidget::QImageWidget( QWidget *parent) |
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| 22 | : QWidget( parent) |
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| 23 | { |
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| 24 | image = QImage(); // construct a null image |
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| 25 | x = y = w = h = 0; |
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| 26 | } |
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| 27 | |
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| 28 | QImageWidget::~QImageWidget() |
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| 29 | { |
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| 30 | } |
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| 31 | |
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| 32 | void QImageWidget::setImage(const QImage& newimage) |
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| 33 | { |
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| 34 | this->image = newimage.copy(); |
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| 35 | w = this->image.width(); |
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| 36 | h = this->image.height(); |
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| 37 | this->setMinimumSize(w, h); |
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| 38 | } |
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| 39 | |
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| 40 | void QImageWidget::paintEvent( QPaintEvent *e ) |
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| 41 | { |
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| 42 | if( !image.isNull() ) |
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| 43 | { |
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| 44 | QPainter p; |
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| 45 | p.begin(this); |
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| 46 | p.setClipRect(e->rect()); |
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| 47 | p.drawLine(0,0,100,100); |
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| 48 | p.drawImage(QPoint(0,0), this->image); |
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| 49 | p.end(); |
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| 50 | /* |
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| 51 | QPainter painter(this); |
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| 52 | painter.setClipRect(e->rect()); |
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| 53 | painter.drawImage(QPoint(0,0), image); |
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| 54 | */ |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | void QImageWidget::setGeometry(int nx, int ny, int nw, int nh) |
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| 59 | { |
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| 60 | x = nx; |
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| 61 | y = ny; |
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| 62 | w = nw; |
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| 63 | h = nh; |
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| 64 | move(x,y); |
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| 65 | resize(w,h); |
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| 66 | repaint(0,0,w,h); |
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| 67 | } |
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