本文整理汇总了Java中prefuse.visual.EdgeItem.isDirected方法的典型用法代码示例。如果您正苦于以下问题：Java EdgeItem.isDirected方法的具体用法？Java EdgeItem.isDirected怎么用？Java EdgeItem.isDirected使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类prefuse.visual.EdgeItem的用法示例。
在下文中一共展示了EdgeItem.isDirected方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getRawShape
import prefuse.visual.EdgeItem; //导入方法依赖的package包/类
@Override
protected Shape getRawShape(VisualItem item) {
EdgeItem edge = (EdgeItem)item;
VisualItem item1 = edge.getSourceItem();
VisualItem item2 = edge.getTargetItem();
int type = m_edgeType;
getAlignedPoint(m_tmpPoints[0], item1.getBounds(),
m_xAlign1, m_yAlign1);
getAlignedPoint(m_tmpPoints[1], item2.getBounds(),
m_xAlign2, m_yAlign2);
m_curWidth = (float)(m_width * getLineWidth(item));
// create the arrow head, if needed
EdgeItem e = (EdgeItem)item;
if ( e.isDirected() && m_edgeArrow != Constants.EDGE_ARROW_NONE ) {
// get starting and ending edge endpoints
boolean forward = (m_edgeArrow == Constants.EDGE_ARROW_FORWARD);
Point2D start = null, end = null;
start = m_tmpPoints[forward?0:1];
end = m_tmpPoints[forward?1:0];
// compute the intersection with the target bounding box
VisualItem dest = forward ? e.getTargetItem() : e.getSourceItem();
int i = GraphicsLib.intersectLineRectangle(start, end,
dest.getBounds(), m_isctPoints);
if ( i > 0 ) end = m_isctPoints[0];
// create the arrow head shape
AffineTransform at = getArrowTrans(start, end, m_curWidth);
m_curArrow = at.createTransformedShape(m_arrowHead);
// update the endpoints for the edge shape
// need to bias this by arrow head size
Point2D lineEnd = m_tmpPoints[forward?1:0];
lineEnd.setLocation(0, -m_arrowHeight);
at.transform(lineEnd, lineEnd);
} else {
m_curArrow = null;
}
// create the edge shape
Shape shape = null;
double n1x = m_tmpPoints[0].getX();
double n1y = m_tmpPoints[0].getY();
double n2x = m_tmpPoints[1].getX();
double n2y = m_tmpPoints[1].getY();
switch ( type ) {
case Constants.EDGE_TYPE_LINE:
m_line.setLine(n1x, n1y, n2x, n2y);
shape = m_line;
break;
case Constants.EDGE_TYPE_CURVE:
getCurveControlPoints(edge, m_ctrlPoints,n1x,n1y,n2x,n2y);
m_cubic.setCurve(n1x, n1y,
m_ctrlPoints[0].getX(), m_ctrlPoints[0].getY(),
m_ctrlPoints[1].getX(), m_ctrlPoints[1].getY(),
n2x, n2y);
shape = m_cubic;
break;
default:
throw new IllegalStateException("Unknown edge type");
}
// return the edge shape
return shape;
}
示例2: getRawShape
import prefuse.visual.EdgeItem; //导入方法依赖的package包/类
/**
* @see prefuse.render.AbstractShapeRenderer#getRawShape(prefuse.visual.VisualItem)
*/
protected Shape getRawShape(VisualItem item) {
EdgeItem edge = (EdgeItem)item;
VisualItem item1 = edge.getSourceItem();
VisualItem item2 = edge.getTargetItem();
int type = m_edgeType;
getAlignedPoint(m_tmpPoints[0], item1.getBounds(),
m_xAlign1, m_yAlign1);
getAlignedPoint(m_tmpPoints[1], item2.getBounds(),
m_xAlign2, m_yAlign2);
m_curWidth = (float)(m_width * getLineWidth(item));
// create the arrow head, if needed
EdgeItem e = (EdgeItem)item;
if ( e.isDirected() && m_edgeArrow != Constants.EDGE_ARROW_NONE ) {
// get starting and ending edge endpoints
boolean forward = (m_edgeArrow == Constants.EDGE_ARROW_FORWARD);
Point2D start = null, end = null;
start = m_tmpPoints[forward?0:1];
end = m_tmpPoints[forward?1:0];
// compute the intersection with the target bounding box
VisualItem dest = forward ? e.getTargetItem() : e.getSourceItem();
int i = GraphicsLib.intersectLineRectangle(start, end,
dest.getBounds(), m_isctPoints);
if ( i > 0 ) end = m_isctPoints[0];
// create the arrow head shape
AffineTransform at = getArrowTrans(start, end, m_curWidth);
m_curArrow = at.createTransformedShape(m_arrowHead);
// update the endpoints for the edge shape
// need to bias this by arrow head size
Point2D lineEnd = m_tmpPoints[forward?1:0];
lineEnd.setLocation(0, -m_arrowHeight);
at.transform(lineEnd, lineEnd);
} else {
m_curArrow = null;
}
// create the edge shape
Shape shape = null;
double n1x = m_tmpPoints[0].getX();
double n1y = m_tmpPoints[0].getY();
double n2x = m_tmpPoints[1].getX();
double n2y = m_tmpPoints[1].getY();
switch ( type ) {
case Constants.EDGE_TYPE_LINE:
m_line.setLine(n1x, n1y, n2x, n2y);
shape = m_line;
break;
case Constants.EDGE_TYPE_CURVE:
getCurveControlPoints(edge, m_ctrlPoints,n1x,n1y,n2x,n2y);
m_cubic.setCurve(n1x, n1y,
m_ctrlPoints[0].getX(), m_ctrlPoints[0].getY(),
m_ctrlPoints[1].getX(), m_ctrlPoints[1].getY(),
n2x, n2y);
shape = m_cubic;
break;
default:
throw new IllegalStateException("Unknown edge type");
}
// return the edge shape
return shape;
}