/**
* Returns the distance, that a Rectangle needs to grow (or shrink) to make hit detections on a
* shape as specified by the FILL_UNDER_STROKE and STROKE_POSITION attributes of a figure. The
* value returned is the number of units that need to be grown (or shrunk) perpendicular to a
* stroke on an outline of the shape.
*/
public static double getPerpendicularHitGrowth(Figure f) {
double grow;
if (STROKE_COLOR.get(f) == null && STROKE_GRADIENT.get(f) == null) {
grow = getPerpendicularFillGrowth(f);
} else {
double strokeWidth = AttributeKeys.getStrokeTotalWidth(f);
grow = getPerpendicularDrawGrowth(f) + strokeWidth / 2d;
}
return grow;
}
/**
* Gets the stroke paint for the specified figure based on the attributes STROKE_GRADIENT,
* STROKE_OPACITY, STROKE_PAINT and the bounds of the figure. Returns null if the figure is not
* filled.
*/
public static Paint getStrokePaint(Figure f) {
double opacity = STROKE_OPACITY.get(f);
if (STROKE_GRADIENT.get(f) != null) {
return STROKE_GRADIENT.get(f).getPaint(f, opacity);
}
Color color = STROKE_COLOR.get(f);
if (color != null) {
if (opacity != 1) {
color = new Color((color.getRGB() & 0xffffff) | (int) (opacity * 255) << 24, true);
}
}
return color;
}
public void draw(Graphics2D g) {
if (AttributeKeys.FILL_COLOR.get(this) != null) {
g.setColor(AttributeKeys.FILL_COLOR.get(this));
drawFill(g);
}
if (STROKE_COLOR.get(this) != null && STROKE_WIDTH.get(this) > 0d) {
g.setStroke(AttributeKeys.getStroke(this));
g.setColor(STROKE_COLOR.get(this));
drawStroke(g);
}
if (TEXT_COLOR.get(this) != null) {
if (TEXT_SHADOW_COLOR.get(this) != null && TEXT_SHADOW_OFFSET.get(this) != null) {
Dimension2DDouble d = TEXT_SHADOW_OFFSET.get(this);
g.translate(d.width, d.height);
g.setColor(TEXT_SHADOW_COLOR.get(this));
drawText(g);
g.translate(-d.width, -d.height);
}
g.setColor(TEXT_COLOR.get(this));
drawText(g);
}
}
/** Writes the attributes of the figure into the specified DOMOutput. */
public static void writeAttributes(Figure f, DOMOutput out) throws IOException {
Color color;
Double dbl;
String value;
// Fill attributes
color = FILL_COLOR.get(f);
if (color == null) {
value = "none";
} else {
value = "000000" + Integer.toHexString(color.getRGB());
value = "#" + value.substring(value.length() - 6);
}
out.addAttribute("fill", value);
if (WINDING_RULE.get(f) != WindingRule.NON_ZERO) {
out.addAttribute("fill-rule", "evenodd");
}
// Stroke attributes
color = STROKE_COLOR.get(f);
if (color == null) {
value = "none";
} else {
value = "000000" + Integer.toHexString(color.getRGB());
value = "#" + value.substring(value.length() - 6);
}
out.addAttribute("stroke", value);
out.addAttribute("stroke-width", STROKE_WIDTH.get(f), 1d);
out.addAttribute(
"stroke-miterlimit", STROKE_MITER_LIMIT_FACTOR.get(f) / STROKE_WIDTH.get(f), 4d);
double[] dashes = STROKE_DASHES.get(f);
dbl = (STROKE_DASH_FACTOR.get(f) == null) ? STROKE_WIDTH.get(f) : STROKE_DASH_FACTOR.get(f);
if (dashes != null) {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < dashes.length; i++) {
if (i != 0) {
buf.append(',');
buf.append(dashes[i] * dbl);
}
out.addAttribute("stroke-dasharray", buf.toString());
}
}
out.addAttribute("stroke-dashoffset", STROKE_DASH_PHASE.get(f), 0d);
// Text attributes
out.addAttribute("font-size", FONT_SIZE.get(f));
// out.addAttribute("text-anchor", "start");
}
protected Point2D.Double chop(Figure target, Point2D.Double from) {
target = getConnectorTarget(target);
Rectangle2D.Double r = target.getBounds();
if (STROKE_COLOR.get(target) != null) {
double grow;
switch (STROKE_PLACEMENT.get(target)) {
case CENTER:
default:
grow = AttributeKeys.getStrokeTotalWidth(target) / 2d;
break;
case OUTSIDE:
grow = AttributeKeys.getStrokeTotalWidth(target);
break;
case INSIDE:
grow = 0d;
break;
}
Geom.grow(r, grow, grow);
}
return Geom.angleToPoint(r, Geom.pointToAngle(r, from));
}
