diff options
Diffstat (limited to 'src/data/edgestyle.cpp')
-rw-r--r-- | src/data/edgestyle.cpp | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/data/edgestyle.cpp b/src/data/edgestyle.cpp new file mode 100644 index 0000000..d366946 --- /dev/null +++ b/src/data/edgestyle.cpp @@ -0,0 +1,109 @@ +#include "edgestyle.h" + +#include <QPainter> +#include <QPixmap> + +EdgeStyle *noneEdgeStyle = new EdgeStyle(); + +EdgeStyle::EdgeStyle() : Style() +{ +} + +EdgeStyle::EdgeStyle(QString name, GraphElementData *data) : Style(name, data) +{ +} + +EdgeStyle::ArrowTipStyle EdgeStyle::arrowHead() const +{ + if (_data == 0) return NoTip; + + if (_data->atom("->") || _data->atom("<->") || _data->atom("|->")) return Pointer; + if (_data->atom("-|") || _data->atom("<-|") || _data->atom("|-|")) return Flat; + return NoTip; +} + +EdgeStyle::ArrowTipStyle EdgeStyle::arrowTail() const +{ + if (_data == 0) return NoTip; + if (_data->atom("<-") || _data->atom("<->") || _data->atom("<-|")) return Pointer; + if (_data->atom("|-") || _data->atom("|->") || _data->atom("|-|")) return Flat; + return NoTip; +} + +EdgeStyle::DrawStyle EdgeStyle::drawStyle() const +{ + if (_data == 0) return Solid; + if (_data->atom("dashed")) return Dashed; + if (_data->atom("dotted")) return Dotted; + return Solid; +} + +QPen EdgeStyle::pen() const +{ + QPen p(strokeColor()); + p.setWidthF((float)strokeThickness() * 3.0f); + + QVector<qreal> pat; + switch (drawStyle()) { + case Dashed: + pat << 3.0 << 3.0; + p.setDashPattern(pat); + break; + case Dotted: + pat << 1.0 << 1.0; + p.setDashPattern(pat); + break; + } + + return p; +} + +QPainterPath EdgeStyle::path() const +{ + return QPainterPath(); +} + +QPainterPath EdgeStyle::palettePath() const +{ + return QPainterPath(); +} + +QIcon EdgeStyle::icon() const +{ + // draw an icon matching the style + QPixmap px(100,100); + px.fill(Qt::transparent); + QPainter painter(&px); + + if (_data == 0) { + QPen pen(Qt::black); + pen.setWidth(3); + } else { + painter.setPen(pen()); + } + + painter.drawLine(10, 50, 90, 50); + + switch (arrowHead()) { + case Pointer: + painter.drawLine(90,50,80,40); + painter.drawLine(90,50,80,60); + break; + case Flat: + painter.drawLine(90,40,90,60); + break; + } + + switch (arrowTail()) { + case Pointer: + painter.drawLine(10,50,20,40); + painter.drawLine(10,50,20,60); + break; + case Flat: + painter.drawLine(10,40,10,60); + break; + } + + + return QIcon(px); +} |