protected void applyOffsetAmount(Point p1, Point p2, int offset, Point res) {
// slope of the line we're finding the normal to
// is slope, and the normal is the negative reciprocal
// slope is (p1.y - p2.y) / (p1.x - p2.x)
// so recip is - (p1.x - p2.x) / (p1.y - p2.y)
int recipnumerator = (p1.x - p2.x) * -1;
int recipdenominator = (p1.y - p2.y);
if (recipdenominator == 0 && recipnumerator == 0) return;
// find the point offset on the line that gives a
// correct offset
double len = Math.sqrt(recipnumerator * recipnumerator + recipdenominator * recipdenominator);
int dx = (int) ((recipdenominator * offset) / len);
int dy = (int) ((recipnumerator * offset) / len);
res.x += Math.abs(dx);
res.y -= Math.abs(dy);
int width = itemFig.getWidth() / 2;
if (recipnumerator != 0) {
double slope = (double) recipdenominator / (double) recipnumerator;
double factor = tanh(slope);
res.x += (Math.abs(factor) * width);
} else {
res.x += width;
}
}
private String getDescr(Fig f) {
if (f == null) {
return null;
}
String className = f.getClass().getName();
StringBuffer descr = new StringBuffer(className.substring(className.lastIndexOf(".") + 1));
// descr.append(" - paints=").append(f.getPaintCount());
// descr.append(" - damages=").append(f.getDamageCount());
descr.append(
" - bounds=[" + f.getX() + "," + f.getY() + "," + f.getWidth() + "," + f.getHeight() + "]");
if (!f.isVisible()) {
descr.append(" - INVISIBLE");
}
if (f.isFilled()) {
descr.append(" - FILLED");
}
descr.append(
" - fill=["
+ f.getFillColor().getRed()
+ ","
+ f.getFillColor().getGreen()
+ ","
+ f.getFillColor().getBlue()
+ "]");
if (f.getOwner() != null) {
descr.append(" - owner=").append(f.getOwner());
}
if (f instanceof FigText) {
descr.append(" \"").append(((FigText) f).getText()).append("\"");
}
descr.append(" - lay=").append(toString(f.getLayer()));
descr.append(" - grp=").append(toString(f.getGroup()));
return descr.toString();
}