Windows 7 专业版 64bit
qt-opensource-windows-x86-mingw530-5.7.0
qwt-6.1.3.zip
qwt-6.1.3.qch
cd C:\qwt-6.1.3
qmake qwt.pro
mingw32-make
mingw32-make install
#include <QApplication>
#include <qwt_plot.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_grid.h>
#include <qwt_symbol.h>
#include <qwt_legend.h>
int main( int argc, char **argv )
{
QApplication a( argc, argv );
QwtPlot plot;
plot.setTitle( "Plot Demo" );
plot.setCanvasBackground( Qt::white );
plot.setAxisScale( QwtPlot::yLeft, 0.0, 10.0 );
plot.insertLegend( new QwtLegend() );
QwtPlotGrid *grid = new QwtPlotGrid();
grid->attach( &plot );
QwtPlotCurve *curve = new QwtPlotCurve();
curve->setTitle( "Some Points" );
curve->setPen( Qt::blue, 4 ),
curve->setRenderHint( QwtPlotItem::RenderAntialiased, true );
QwtSymbol *symbol = new QwtSymbol( QwtSymbol::Ellipse,
QBrush( Qt::yellow ), QPen( Qt::red, 2 ), QSize( 8, 8 ) );
curve->setSymbol( symbol );
QPolygonF points;
points << QPointF( 0.0, 4.4 ) << QPointF( 1.0, 3.0 )
<< QPointF( 2.0, 4.5 ) << QPointF( 3.0, 6.8 )
<< QPointF( 4.0, 7.9 ) << QPointF( 5.0, 7.1 );
curve->setSamples( points );
curve->attach( &plot );
plot.resize( 600, 400 );
plot.show();
return a.exec();
}
QWT_LIB_DIR = "C:\Qt\Qt5.7.0\5.7\mingw53_32\lib"
QWT_INCLUDE_DIR = "C:\Qt\Qt5.7.0\5.7\mingw53_32\include\Qwt"
LIBS += -L$${QWT_LIB_DIR} \
-lqwt \
-lqwtd
INCLUDEPATH += $${QWT_INCLUDE_DIR}