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List:       koffice-devel
Subject:    Re: Using KChart
From:       Inge Wallin <inge () lysator ! liu ! se>
Date:       2007-01-18 22:25:28
Message-ID: 200701182325.28434.inge () lysator ! liu ! se
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On Thursday 18 January 2007 17.01, Cyrille Berger wrote:
> if there is a simple way (one line) in kdchart to : plot three QVector<int>
> (like one line for the function call) I have nothing against moving kdchart
> to kofficelib (or find a more efficient way to share it, like considering
> it as an external dependency).

Here you go!  :-)

This is the file examples/Widget/Simple/main.cpp from the examples 
subdirectory.  It's not strange you didn't see it, because I didn't import 
all the example files.  

#include <QApplication>
#include <KDChartWidget>

int main( int argc, char** argv )
{
    QApplication app( argc, argv );

    KDChart::Widget widget;
    widget.resize( 600, 600 );

    QVector< double > vec0,  vec1,  vec2;

    vec0 << -5 << -4 << -3 << -2 << -1 << 0
         << 1 << 2 << 3 << 4 << 5;
    vec1 << 25 << 16 << 9 << 4 << 1 << 0
         << 1 << 4 << 9 << 16 << 25;
    vec2 << -125 << -64 << -27 << -8 << -1 << 0
         << 1 << 8 << 27 << 64 << 125;

    widget.setDataset( 0, vec0, "Linear" );
    widget.setDataset( 1, vec1, "Quadratic" );
    widget.setDataset( 2, vec2, "Cubic" );

    widget.show();

    return app.exec();
}

> The reason why I proposed kdeeduplot is mostly because it's _very_ simple,
> the tutorial for it would be 5 lines. And browsing through the kdchart
> documentation, all exemples I see are very complicated (not to say scary).

That's good.  However, importing 1000 lines of code, duplicating something 
that's already here, just to save 5 lines does seem a bit counter productive 
to me. :-)

	-Inge

-- 
Inge Wallin               | Thus spake the master programmer:               |
                          |      "After three days without programming,     |
inge@lysator.liu.se       |       life becomes meaningless."                |
                          | Geoffrey James: The Tao of Programming.         |
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