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#include "mainwindow.h"
#include "canvas.h"
#include <qtoolbar.h>
#include <qtoolbutton.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qfiledialog.h>
#include <qbuffer.h>
#include <qpainter.h>
#include <qsvggenerator.h>
#include <qstatusbar.h>
MainWindow::MainWindow()
{
QWidget *w = new QWidget( this );
d_canvas[0] = new Canvas( Canvas::Svg, this );
d_canvas[0]->setAutoFillBackground( true );
d_canvas[0]->setPalette( Qt::gray );
d_canvas[1] = new Canvas( Canvas::VectorGraphic, this );
d_canvas[1]->setAutoFillBackground( true );
d_canvas[1]->setPalette( Qt::gray );
QVBoxLayout *vBox1 = new QVBoxLayout();
vBox1->setContentsMargins( 0, 0, 0, 0 );
vBox1->setSpacing( 5 );
vBox1->addWidget( new QLabel( "SVG" ), 0, Qt::AlignCenter );
vBox1->addWidget( d_canvas[0], 10 );
QVBoxLayout *vBox2 = new QVBoxLayout();
vBox2->setContentsMargins( 0, 0, 0, 0 );
vBox2->setSpacing( 5 );
vBox2->addWidget( new QLabel( "Vector Graphic" ), 0, Qt::AlignCenter );
vBox2->addWidget( d_canvas[1], 10 );
QHBoxLayout *layout = new QHBoxLayout( w );
layout->addLayout( vBox1 );
layout->addLayout( vBox2 );
setCentralWidget( w );
QToolBar *toolBar = new QToolBar( this );
QToolButton *btnLoad = new QToolButton( toolBar );
btnLoad->setText( "Load SVG" );
btnLoad->setToolButtonStyle( Qt::ToolButtonTextUnderIcon );
toolBar->addWidget( btnLoad );
addToolBar( toolBar );
connect( btnLoad, SIGNAL( clicked() ), this, SLOT( loadSVG() ) );
#if 0
QPainterPath path;
path.addRect( QRectF( 1.0, 1.0, 2.0, 2.0 ) );
loadPath( path );
#endif
}
MainWindow::~MainWindow()
{
}
void MainWindow::loadSVG()
{
QString dir = "/home1/uwe/qwt/qwt/tests/svg";
const QString fileName = QFileDialog::getOpenFileName( NULL,
"Load a Scaleable Vector Graphic (SVG) Document",
dir, "SVG Files (*.svg)" );
if ( !fileName.isEmpty() )
loadSVG( fileName );
statusBar()->showMessage( fileName );
}
void MainWindow::loadSVG( const QString &fileName )
{
QFile file( fileName );
if ( !file.open(QIODevice::ReadOnly | QIODevice::Text) )
return;
const QByteArray document = file.readAll();
file.close();
d_canvas[0]->setSvg( document );
d_canvas[1]->setSvg( document );
}
void MainWindow::loadPath( const QPainterPath &path )
{
QBuffer buf;
QSvgGenerator generator;
generator.setOutputDevice( &buf );
QPainter painter( &generator );
painter.setRenderHint( QPainter::Antialiasing, false );
painter.setPen( QPen( Qt::blue, 0 ) );
painter.setBrush( Qt::darkCyan );
painter.drawPath( path );
painter.end();
d_canvas[0]->setSvg( buf.data() );
d_canvas[1]->setSvg( buf.data() );
}
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