protected Stroke getStroke(VPFSymbolAttributes attr) {
BasicStroke stroke;
float lineWidth = (float) attr.getOutlineWidth() + .5f; // Exagerate a bit line width
if (attr.getOutlineStippleFactor() > 0) {
// Dashed line - determine dash array from 16 bit stipple pattern
ArrayList<Float> dashList = new ArrayList<Float>();
short pattern = attr.getOutlineStipplePattern();
int length = 0;
boolean dash = true;
for (int i = 0; i < 16; i++) {
boolean dashBit = ((pattern << i) & 0x8000) > 0;
if (dashBit != dash) {
dashList.add((float) length);
length = attr.getOutlineStippleFactor();
dash = dashBit;
} else length += attr.getOutlineStippleFactor();
}
dashList.add((float) length);
float[] dashArray = new float[dashList.size()];
for (int i = 0; i < dashList.size(); i++) {
dashArray[i] = dashList.get(i);
}
stroke =
new BasicStroke(
lineWidth, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 10f, dashArray, 0f);
} else {
// Plain line
stroke = new BasicStroke(lineWidth);
}
return stroke;
}
