[7594] | 1 | /*************************************************************************** |
---|
| 2 | QImageWidget.cpp - description |
---|
| 3 | ------------------- |
---|
| 4 | begin : Fri Nov 17 2000 |
---|
| 5 | copyright : (C) 2000 by Rainer Lehrig |
---|
| 6 | email : lehrig@t-online.de |
---|
| 7 | ***************************************************************************/ |
---|
| 8 | |
---|
| 9 | /*************************************************************************** |
---|
| 10 | * * |
---|
| 11 | * This program is free software; you can redistribute it and/or modify * |
---|
| 12 | * it under the terms of the GNU General Public License as published by * |
---|
| 13 | * the Free Software Foundation; either version 2 of the License, or * |
---|
| 14 | * (at your option) any later version. * |
---|
| 15 | * * |
---|
| 16 | ***************************************************************************/ |
---|
| 17 | #include "q_image_widget.h" |
---|
| 18 | #include <QtGui/QPainter> |
---|
| 19 | #include <QtGui/QPaintEvent> |
---|
| 20 | |
---|
| 21 | QImageWidget::QImageWidget( QWidget *parent) |
---|
| 22 | : QWidget( parent) |
---|
| 23 | { |
---|
| 24 | image = QImage(); // construct a null image |
---|
| 25 | x = y = w = h = 0; |
---|
| 26 | } |
---|
| 27 | |
---|
| 28 | QImageWidget::~QImageWidget() |
---|
| 29 | { |
---|
| 30 | } |
---|
| 31 | |
---|
| 32 | void QImageWidget::setImage(const QImage& newimage) |
---|
| 33 | { |
---|
| 34 | this->image = newimage.copy(); |
---|
| 35 | w = this->image.width(); |
---|
| 36 | h = this->image.height(); |
---|
| 37 | this->setMinimumSize(w, h); |
---|
| 38 | } |
---|
| 39 | |
---|
| 40 | void QImageWidget::paintEvent( QPaintEvent *e ) |
---|
| 41 | { |
---|
| 42 | if( !image.isNull() ) |
---|
| 43 | { |
---|
| 44 | QPainter p; |
---|
| 45 | p.begin(this); |
---|
| 46 | p.setClipRect(e->rect()); |
---|
| 47 | p.drawLine(0,0,100,100); |
---|
| 48 | p.drawImage(QPoint(0,0), this->image); |
---|
| 49 | p.end(); |
---|
| 50 | /* |
---|
| 51 | QPainter painter(this); |
---|
| 52 | painter.setClipRect(e->rect()); |
---|
| 53 | painter.drawImage(QPoint(0,0), image); |
---|
| 54 | */ |
---|
| 55 | } |
---|
| 56 | } |
---|
| 57 | |
---|
| 58 | void QImageWidget::setGeometry(int nx, int ny, int nw, int nh) |
---|
| 59 | { |
---|
| 60 | x = nx; |
---|
| 61 | y = ny; |
---|
| 62 | w = nw; |
---|
| 63 | h = nh; |
---|
| 64 | move(x,y); |
---|
| 65 | resize(w,h); |
---|
| 66 | repaint(0,0,w,h); |
---|
| 67 | } |
---|