Add files from zip

2023-10-31 09:22:42 +01:00
parent 6bacdc5f6d
commit 4dae68036f
2788 changed files with 492537 additions and 0 deletions
--- a/playground/graphicscale/MainWindow.cpp
+++ b/playground/graphicscale/MainWindow.cpp
@@ -0,0 +1,117 @@
+/*****************************************************************************
+ * Qwt Examples - Copyright (C) 2002 Uwe Rathmann
+ * This file may be used under the terms of the 3-clause BSD License
+ *****************************************************************************/
+
+#include "MainWindow.h"
+#include "Canvas.h"
+
+#include <QToolBar>
+#include <QToolButton>
+#include <QLayout>
+#include <QLabel>
+#include <QFileDialog>
+#include <QBuffer>
+#include <QPainter>
+#include <QSvgGenerator>
+#include <QStatusBar>
+
+MainWindow::MainWindow()
+{
+    QWidget* w = new QWidget( this );
+
+    m_canvas[0] = new Canvas( Canvas::Svg, this );
+    m_canvas[0]->setAutoFillBackground( true );
+    m_canvas[0]->setPalette( Qt::gray );
+
+    m_canvas[1] = new Canvas( Canvas::VectorGraphic, this );
+    m_canvas[1]->setAutoFillBackground( true );
+    m_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( m_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( m_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();
+
+    m_canvas[0]->setSvg( document );
+    m_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();
+
+    m_canvas[0]->setSvg( buf.data() );
+    m_canvas[1]->setSvg( buf.data() );
+}
+
+#include "moc_MainWindow.cpp"