QDebug operator<<(QDebug dbg, const KDChart::FrameAttributes& fa)
{
dbg << "KDChart::FrameAttributes("
<< "visible="<<fa.isVisible()
<< "pen="<<fa.pen()
<< "padding="<<fa.padding()
<< ")";
return dbg;
}
bool Surface::loadOdf( const KoXmlElement &surfaceElement, KoShapeLoadingContext &context )
{
KoStyleStack &styleStack = context.odfLoadingContext().styleStack();
styleStack.save();
if ( surfaceElement.hasAttributeNS( KoXmlNS::chart, "style-name" ) )
{
KDChart::BackgroundAttributes backgroundAttributes = d->kdPlane->backgroundAttributes();
KDChart::FrameAttributes frameAttributes = d->kdPlane->frameAttributes();
styleStack.clear();
context.odfLoadingContext().fillStyleStack( surfaceElement, KoXmlNS::chart, "style-name", "chart" );
styleStack.setTypeProperties( "graphic" );
if ( styleStack.hasProperty( KoXmlNS::draw, "stroke" ) )
{
frameAttributes.setVisible( true );
QString stroke = styleStack.property( KoXmlNS::draw, "stroke" );
if( stroke == "solid" || stroke == "dash" )
{
QPen pen = KoOdfGraphicStyles::loadOdfStrokeStyle( styleStack, stroke, context.odfLoadingContext().stylesReader() );
frameAttributes.setPen( pen );
}
}
if ( styleStack.hasProperty( KoXmlNS::draw, "fill" ) )
{
backgroundAttributes.setVisible( true );
QBrush brush;
QString fill = styleStack.property( KoXmlNS::draw, "fill" );
if ( fill == "solid" || fill == "hatch" )
brush = KoOdfGraphicStyles::loadOdfFillStyle( styleStack, fill, context.odfLoadingContext().stylesReader() );
else if ( fill == "gradient" )
{
brush = KoOdfGraphicStyles::loadOdfGradientStyle( styleStack, context.odfLoadingContext().stylesReader(), QSizeF( 5.0, 60.0 ) );
}
else if ( fill == "bitmap" )
brush = KoOdfGraphicStyles::loadOdfPatternStyle( styleStack, context.odfLoadingContext(), QSizeF( 5.0, 60.0 ) );
backgroundAttributes.setBrush( brush );
}
d->kdPlane->setBackgroundAttributes( backgroundAttributes );
d->kdPlane->setFrameAttributes( frameAttributes );
}
styleStack.restore();
return true;
}
bool Surface::loadOdf(const KoXmlElement &surfaceElement,
KoShapeLoadingContext &context)
{
// Get the current style stack and save it's state.
KoStyleStack &styleStack = context.odfLoadingContext().styleStack();
bool brushLoaded = false;
if (surfaceElement.hasAttributeNS(KoXmlNS::chart, "style-name")) {
KDChart::BackgroundAttributes backgroundAttributes = d->kdPlane->backgroundAttributes();
KDChart::FrameAttributes frameAttributes = d->kdPlane->frameAttributes();
// Add the chart style to the style stack.
styleStack.clear();
context.odfLoadingContext().fillStyleStack(surfaceElement, KoXmlNS::chart, "style-name", "chart");
styleStack.setTypeProperties("graphic");
// If there is a "stroke" property, then get the stroke style
// and set the pen accordingly.
if (styleStack.hasProperty(KoXmlNS::draw, "stroke")) {
frameAttributes.setVisible(true);
QString stroke = styleStack.property(KoXmlNS::draw, "stroke");
QPen pen(Qt::NoPen);
if (stroke == "solid" || stroke == "dash")
pen = KoOdfGraphicStyles::loadOdfStrokeStyle(styleStack, stroke,
context.odfLoadingContext().stylesReader());
frameAttributes.setPen(pen);
}
// If there is a "fill" property, then get the fill style, and
// set the brush for the surface accordingly.
if (styleStack.hasProperty(KoXmlNS::draw, "fill")) {
backgroundAttributes.setVisible(true);
QBrush brush;
QString fill = styleStack.property(KoXmlNS::draw, "fill");
if (fill == "solid" || fill == "hatch") {
brushLoaded = true;
brush = KoOdfGraphicStyles::loadOdfFillStyle(styleStack, fill,
context.odfLoadingContext().stylesReader());
}
else if (fill == "gradient") {
brushLoaded = true;
brush = KoOdfGraphicStyles::loadOdfGradientStyle(styleStack, context.odfLoadingContext().stylesReader(), QSizeF(5.0, 60.0));
}
else if (fill == "bitmap") {
brushLoaded = true;
brush = loadOdfPatternStyle(styleStack, context.odfLoadingContext(), QSizeF(5.0, 60.0));
}
backgroundAttributes.setBrush(brush);
}
// Finally actually set the attributes.
d->kdPlane->setBackgroundAttributes(backgroundAttributes);
d->kdPlane->setFrameAttributes(frameAttributes);
}
#ifndef NWORKAROUND_ODF_BUGS
if (!brushLoaded) {
KDChart::BackgroundAttributes backgroundAttributes = d->kdPlane->backgroundAttributes();
QColor fillColor = KoOdfWorkaround::fixMissingFillColor(surfaceElement, context);
if (fillColor.isValid()) {
backgroundAttributes.setVisible(true);
backgroundAttributes.setBrush(fillColor);
d->kdPlane->setBackgroundAttributes(backgroundAttributes);
}
}
#endif
return true;
}
int main(int argc, char *argv[]) {
QApplication a(argc, argv);
KDChart::Chart chart;
QStandardItemModel model;
const double offset = 600;
model.setRowCount( 100 );
model.setColumnCount( 2 ); // 1 data set
for ( int i = 0; i < 100; ++i ) {
double t = i + offset;
double v = i + offset;
QModelIndex index = model.index( i, 0 );
model.setData( index, t );
index = model.index( i, 1 );
model.setData( index, v );
}
model.setHeaderData( 0, Qt::Horizontal, "Dataset 1" );
// general chart layout
KDChart::FrameAttributes fm = chart.frameAttributes();
fm.setVisible( true );
fm.setPen( QPen( Qt::black ) );
chart.setFrameAttributes( fm );
chart.setGlobalLeading( 10, 0, 10, 10 );
KDChart::BackgroundAttributes chart_bg;
chart_bg.setBrush( Qt::white );
chart_bg.setVisible( true );
chart.setBackgroundAttributes( chart_bg );
// coordinate plane setup
KDChart::AbstractCoordinatePlane * plane1 = chart.coordinatePlane();
plane1->setRubberBandZoomingEnabled( true );
// create cartesian diagrams
KDChart::Plotter * plotter = new KDChart::Plotter;
plotter->setAntiAliasing( false );
plotter->setModel( &model );
plane1->replaceDiagram( plotter );
// customize grids
KDChart::CartesianCoordinatePlane * cp1 = static_cast< KDChart::CartesianCoordinatePlane * >( plane1 );
KDChart::GridAttributes gv = cp1->gridAttributes( Qt::Vertical );
QPen gridPen( QColor( 200, 100, 100 ) );
gridPen.setStyle( Qt::DashLine );
gv.setGridPen( gridPen );
gridPen.setStyle( Qt::DotLine );
gridPen.setColor( QColor( 255,155,155 ) );
gv.setSubGridPen( gridPen );
cp1->setGridAttributes( Qt::Vertical, gv );
// Enable isometric scaling
cp1->setIsometricScaling( true );
// axis
KDChart::CartesianAxis * xAxis = new KDChart::CartesianAxis( plotter );
xAxis->setPosition( KDChart::CartesianAxis::Bottom );
xAxis->setTitleText("X-Title");
KDChart::TextAttributes att = xAxis->titleTextAttributes();
QFont f = att.font();
f.setBold( true );
att.setFont( f );
att.setAutoShrink( true );
att.setFontSize( KDChart::Measure( 16 ) );
xAxis->setTitleTextAttributes( att );
KDChart::CartesianAxis * y1Axis = new KDChart::CartesianAxis( plotter );
y1Axis->setPosition( KDChart::CartesianAxis::Left );
y1Axis->setTitleText( "Y-Title" );
att = y1Axis->titleTextAttributes();
f = att.font();
f.setBold( true );
att.setFont( f );
att.setAutoShrink( true );
att.setFontSize( KDChart::Measure( 16 ) );
y1Axis->setTitleTextAttributes( att );
// add the axis to the plotter
plotter->addAxis( xAxis );
plotter->addAxis( y1Axis );
// create legend
KDChart::Legend * legend = new KDChart::Legend( plotter, &chart );
chart.addLegend( legend );
att = legend->textAttributes();
f = att.font();
f.setBold( false );
att.setFont( f );
att.setAutoShrink( true );
legend->setTextAttributes( att );
legend->setPosition( KDChart::Position::East );
legend->setAlignment( Qt::AlignCenter );
legend->setTitleText( "Curves" );
att = legend->titleTextAttributes();
f = att.font();
f.setBold( true );
att.setFont( f );
att.setAutoShrink( true );
att.setFontSize( KDChart::Measure( 16 ) );
legend->setTitleTextAttributes( att );
KDChart::BackgroundAttributes legend_bg;
legend_bg.setBrush( Qt::white );
legend_bg.setVisible( true );
legend->setBackgroundAttributes( legend_bg );
KDChart::DataValueAttributes attr = plotter->dataValueAttributes();
KDChart::TextAttributes tattr = attr.textAttributes();
tattr.setFontSize( KDChart::Measure( 12, KDChartEnums::MeasureCalculationModeAbsolute ) );
tattr.setRotation( 0 );
attr.setTextAttributes( tattr );
plotter->setDataValueAttributes( attr );
// customize marker properties
// Dataset 1 : green, MarkerRing, no line
QColor SERIES_1_OUTLINE = QColor( 0, 128, 0 );
attr = plotter->dataValueAttributes( 0 );
KDChart::MarkerAttributes mattr = attr.markerAttributes();
mattr.setMarkerColor( SERIES_1_OUTLINE );
// mattr.setMarkerStyle( KDChart::MarkerAttributes::MarkerRing );
mattr.setMarkerSize( QSizeF( 6.0, 6.0 ) );
mattr.setVisible( true );
attr.setMarkerAttributes( mattr );
attr.setVisible( true );
plotter->setDataValueAttributes( 0, attr );
plotter->setPen( 0, Qt::NoPen );
chart.show();
return a.exec();
}
int main( int argc, char** argv )
{
QApplication app( argc, argv );
const int points = 420;
const double xMin = 0;
const double xMax = 20;
const double step = ( xMax - xMin ) / ( points - 1 );
QStandardItemModel model( points, 6 );
double x = xMin;
for ( int n = 0; n < points; ++n, x += step) {
QModelIndex index = model.index( n, 0 );
model.setData( index, x );
index = model.index( n, 1 );
model.setData( index, sin( x ) * 100.0 );
index = model.index( n, 2 );
model.setData( index, x );
index = model.index( n, 3 );
model.setData( index, x );
index = model.index( n, 4 );
model.setData( index, x );
index = model.index( n, 5 );
model.setData( index, x * x * x );
}
model.setHeaderData( 0, Qt::Horizontal, QString::fromLatin1( "100 * sin(x)" ) );
model.setHeaderData( 2, Qt::Horizontal, QString::fromLatin1( "x" ) );
model.setHeaderData( 4, Qt::Horizontal, QString::fromLatin1( "x^3" ) );
KDChart::Chart* chart = new KDChart::Chart();
KDChart::AbstractCartesianDiagram* diagram = new KDChart::Plotter;
diagram->setModel( &model );
chart->coordinatePlane()->replaceDiagram( diagram );
KDChart::CartesianAxis* xAxis = new KDChart::CartesianAxis( diagram );
KDChart::CartesianAxis* yAxis = new KDChart::CartesianAxis( diagram );
xAxis->setPosition( KDChart::CartesianAxis::Bottom );
yAxis->setPosition( KDChart::CartesianAxis::Left );
diagram->addAxis( xAxis );
diagram->addAxis( yAxis );
KDChart::Legend* legend = new KDChart::Legend( diagram, chart );
KDChart::FrameAttributes legendAtt = legend->frameAttributes();
legendAtt.setCornerRadius( 9 );
legend->setFrameAttributes( legendAtt );
legend->setPosition( KDChart::Position::East );
legend->setAlignment( Qt::AlignCenter );
legend->setTitleText( "Legend" );
chart->addLegend( legend );
KDChart::CartesianCoordinatePlane* cart_plane = dynamic_cast<KDChart::CartesianCoordinatePlane*>(chart->coordinatePlane());
Q_ASSERT(cart_plane);
cart_plane->setAxesCalcModeX(KDChart::AbstractCoordinatePlane::Logarithmic);
cart_plane->setAxesCalcModeY(KDChart::AbstractCoordinatePlane::Logarithmic);
// Set the vertical range from 15 to 75 - with a logarithmic axis I actually get 1 to 100
//cart_plane->setVerticalRange(QPair<qreal,qreal>( 0.005, 1000 ) );
// Set the horizontal range from 1 to 9 - with a linear axis this works OK
cart_plane->setHorizontalRange(QPair<qreal,qreal>( 0.001, 100 ) );
chart->show();
int ret = app.exec();
delete chart;
return ret;
}
