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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit90825e2392b2d70e43c7a25b8a3752299a933894 (patch)
treee33aa27f02b74604afbfd0ea4f1cfca8833d882a /qtjava/javalib/examples/picture/PictureDisplay.java
downloadtdebindings-90825e2392b2d70e43c7a25b8a3752299a933894.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebindings@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/****************************************************************************
+** $Id$
+**
+** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
+**
+** This file is part of an example program for Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+import org.kde.qt.*;
+
+class PictureDisplay extends QWidget // picture display widget
+{
+
+static void paintCar( QPainter p ) // paint a car
+{
+ QPointArray a = new QPointArray();
+ QBrush brush = new QBrush( Qt.yellow(), Qt.SolidPattern );
+ p.setBrush( brush ); // use solid, yellow brush
+
+ a.setPoints( 5, new short[] { 50,50, 350,50, 450,120, 450,250, 50,250 } );
+ p.drawPolygon( a ); // draw car body
+
+ QFont f = new QFont( "courier", 12, QFont.Bold, false );
+ p.setFont( f );
+
+ QColor windowColor = new QColor( 120, 120, 255 ); // a light blue color
+ brush.setColor( windowColor ); // set this brush color
+ p.setBrush( brush ); // set brush
+ p.drawRect( 80, 80, 250, 70 ); // car window
+ p.drawText( 180, 80, 150, 70, Qt.AlignCenter, "-- Qt --\nTrolltech AS" );
+
+ QPixmap pixmap = new QPixmap();
+ if ( pixmap.load("flag.bmp") ) // load and draw image
+ p.drawPixmap( 100, 90, pixmap );
+
+ p.setBackgroundMode( Qt.OpaqueMode ); // set opaque mode
+ p.setBrush( Qt.DiagCrossPattern ); // black diagonal cross pattern
+ p.drawEllipse( 90, 210, 80, 80 ); // back wheel
+ p.setBrush( Qt.CrossPattern ); // black cross fill pattern
+ p.drawEllipse( 310, 210, 80, 80 ); // front wheel
+}
+
+
+
+private QPicture pict;
+private String name;
+
+public PictureDisplay( String fileName )
+{
+ pict = new QPicture();
+ name = fileName;
+ if ( !pict.load(fileName) ) { // cannot load picture
+ pict = null;
+ name = "Not able to load picture: " + fileName;
+ }
+}
+
+protected void paintEvent( QPaintEvent event )
+{
+ QPainter paint = new QPainter( this ); // paint widget
+ if ( pict != null )
+ paint.drawPicture( pict ); // draw picture
+ else
+ paint.drawText( rect(), AlignCenter, name );
+}
+
+protected void keyPressEvent( QKeyEvent k )
+{
+// switch ( tolower(k.ascii()) ) {
+ switch ( k.ascii() ) {
+ case 'r': // reload
+ pict.load( name );
+ update();
+ break;
+ case 'q': // quit
+ QApplication.exit();
+ break;
+ }
+}
+
+
+static public void main( String[] args )
+{
+ QApplication a = new QApplication( args ); // QApplication required!
+
+ String fileName = "car.pic"; // default picture file name
+
+ if ( args.length == 1 ) // use argument as file name
+ fileName = args[0];
+
+ if ( !QFile.exists(fileName) ) {
+ QPicture pict = new QPicture(); // our picture
+ QPainter paint = new QPainter(); // our painter
+
+ paint.begin( pict ); // begin painting onto picture
+ paintCar( paint ); // paint!
+ paint.end(); // painting done
+
+ pict.save( fileName ); // save picture
+ QMessageBox.information(null, "Qt picture example", "Saved. Run me again!");
+ return;
+ } else {
+ PictureDisplay test = new PictureDisplay( fileName ); // create picture display
+ a.setMainWidget( test); // set main widget
+ test.show(); // show it
+
+ a.exec(); // start event loop
+ return;
+ }
+}
+
+static {
+ qtjava.initialize();
+}
+
+}
+