@Override
public Double getNaturalLength(Map<String, Object> map, Shape shp, MapTransform mt)
throws ParameterException, IOException {
double naturalLength;
if (length != null) {
double lineLength = ShapeHelper.getLineLength(shp);
Double value = length.getValue(map);
if (value != null) {
naturalLength =
Uom.toPixel(value, getUom(), mt.getDpi(), mt.getScaleDenominator(), lineLength);
// if (naturalLength <= GraphicStroke.MIN_LENGTH || naturalLength > lineLength) {
if (naturalLength < 1e-5 || Double.isInfinite(naturalLength)) {
return Double.POSITIVE_INFINITY;
}
if (naturalLength > lineLength) {
naturalLength = lineLength;
}
return naturalLength;
}
}
return getGraphicWidth(map, mt);
}
/**
* @param g2
* @param rs
* @param fid
* @throws ParameterException
* @throws IOException error while accessing external resource
* @throws java.sql.SQLException
*/
@Override
public void draw(
Graphics2D g2, ResultSet rs, long fid, boolean selected, MapTransform mt, Geometry the_geom)
throws ParameterException, IOException, SQLException {
List<Shape> shapes = new LinkedList<Shape>();
shapes.add(mt.getShape(the_geom, true));
Map<String, Object> map = getFeaturesMap(rs, fid);
for (Shape shp : shapes) {
if (this.getTranslate() != null) {
shp =
getTranslate()
.getAffineTransform(
map, getUom(), mt, (double) mt.getWidth(), (double) mt.getHeight())
.createTransformedShape(shp);
}
if (shp != null) {
if (fill != null) {
fill.draw(g2, map, shp, selected, mt);
}
if (stroke != null) {
double offset = 0.0;
if (perpendicularOffset != null) {
offset =
Uom.toPixel(
perpendicularOffset.getValue(rs, fid),
getUom(),
mt.getDpi(),
mt.getScaleDenominator(),
null);
}
stroke.draw(g2, map, shp, selected, mt, offset);
}
}
}
}
@Override
public void draw(
Graphics2D g2,
Map<String, Object> map,
Shape shape,
boolean selected,
MapTransform mt,
double offset)
throws ParameterException, IOException {
List<Shape> shapes;
if (!this.isOffsetRapport() && Math.abs(offset) > 0.0) {
shapes = ShapeHelper.perpendicularOffset(shape, offset);
// Setting offset to 0.0 let be sure the offset will never been applied twice!
offset = 0.0;
} else {
shapes = new ArrayList<Shape>();
// TODO : Extract holes as separate shape !
shapes.add(shape);
}
double gWidth = getGraphicWidth(map, mt);
for (Shape shp : shapes) {
double segLength = getNaturalLength(map, shp, mt);
double lineLength = ShapeHelper.getLineLength(shp);
if (segLength > lineLength) {
segLength = lineLength;
}
RelativeOrientation rOrient = this.getRelativeOrientation();
List<Shape> segments = null;
double nbSegments;
// int nbToDraw;
if (this.isLengthRapport()) {
nbSegments = (int) ((lineLength / segLength) + 0.5);
segments = ShapeHelper.splitLine(shp, (int) nbSegments);
// segLength = lineLength / nbSegments;
// nbToDraw = (int) nbSegments;
} else {
nbSegments = lineLength / segLength;
if (nbSegments == 0 && getParent() instanceof StrokeElement) {
nbSegments = 1;
}
if (nbSegments > 0) {
// TODO remove half of extra space at the beginning of the line
// shp = ShapeHelper.splitLine(shp, (nbSegments - nbToDraw)/2.0).get(1);
segments = ShapeHelper.splitLineInSeg(shp, segLength);
}
}
if (segments != null) {
for (Shape seg : segments) {
List<Shape> oSegs;
if (this.isOffsetRapport() && Math.abs(offset) > 0.0) {
oSegs = ShapeHelper.perpendicularOffset(seg, offset);
} else {
oSegs = new ArrayList<Shape>();
oSegs.add(seg);
}
for (Shape oSeg : oSegs) {
if (oSeg != null) {
double realSegLength = ShapeHelper.getLineLength(oSeg);
// Is there enough space on the real segment ? otherwise is the graphic part of a
// compound stroke ?
if (realSegLength > 0.9 * segLength
|| (getParent() instanceof StrokeElement && segLength == 0.0)) {
Point2D.Double pt;
double relativePos = 0.5;
if (relativePosition != null) {
relativePos = relativePosition.getValue(map);
}
if (segLength < MIN_LENGTH) {
pt = ShapeHelper.getPointAt(oSeg, 0);
} else {
// TODO Replace with relative position !
pt = ShapeHelper.getPointAt(oSeg, realSegLength * relativePos);
}
AffineTransform at = AffineTransform.getTranslateInstance(pt.x, pt.y);
if (rOrient != RelativeOrientation.PORTRAYAL) {
Point2D.Double ptA;
Point2D.Double ptB;
if (segLength < MIN_LENGTH) {
ptA = pt;
ptB = ShapeHelper.getPointAt(oSeg, gWidth);
} else {
ptA =
ShapeHelper.getPointAt(oSeg, relativePos * realSegLength - (gWidth * 0.5));
ptB =
ShapeHelper.getPointAt(oSeg, relativePos * realSegLength + (gWidth * 0.5));
}
double theta = Math.atan2(ptB.y - ptA.y, ptB.x - ptA.x);
switch (rOrient) {
case LINE:
theta += 0.5 * Math.PI;
break;
case NORMAL_UP:
if (theta < -Math.PI / 2 || theta > Math.PI / 2) {
theta += Math.PI;
}
break;
}
at.concatenate(AffineTransform.getRotateInstance(theta));
}
graphic.draw(g2, map, selected, mt, at);
}
}
}
}
}
}
}