/**
* Escapes all '<', '>' and '&' characters in a string.
*
* @param str A String.
* @return HTMlEncoded String.
*/
private static String htmlencode(String str) {
if (str == null) {
return "";
} else {
StringBuilder buf = new StringBuilder();
for (char ch : str.toCharArray()) {
switch (ch) {
case '<':
buf.append("<");
break;
case '>':
buf.append(">");
break;
case '&':
buf.append("&");
break;
default:
buf.append(ch);
break;
}
}
return buf.toString();
}
}
/**
* Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
* <code>nohref</code> Attribute for the specified figure and shape.
*
* @return Returns true, if the polygon is inside of the image bounds.
*/
private boolean writePolyAttributes(IXMLElement elem, SVGFigure f, Shape shape) {
AffineTransform t = TRANSFORM.getClone(f);
if (t == null) {
t = drawingTransform;
} else {
t.preConcatenate(drawingTransform);
}
StringBuilder buf = new StringBuilder();
float[] coords = new float[6];
GeneralPath path = new GeneralPath();
for (PathIterator i = shape.getPathIterator(t, 1.5f);
! i.isDone(); i.next()) {
switch (i.currentSegment(coords)) {
case PathIterator.SEG_MOVETO :
if (buf.length() != 0) {
throw new IllegalArgumentException("Illegal shape "+shape);
}
if (buf.length() != 0) {
buf.append(',');
}
buf.append((int) coords[0]);
buf.append(',');
buf.append((int) coords[1]);
path.moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_LINETO :
if (buf.length() != 0) {
buf.append(',');
}
buf.append((int) coords[0]);
buf.append(',');
buf.append((int) coords[1]);
path.lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_CLOSE :
path.closePath();
break;
default :
throw new InternalError("Illegal segment type "+i.currentSegment(coords));
}
}
elem.setAttribute("shape", "poly");
elem.setAttribute("coords", buf.toString());
writeHrefAttribute(elem, f);
return path.intersects(new Rectangle2D.Float(bounds.x, bounds.y, bounds.width, bounds.height));
}
/** 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");
}
public static String toPathData(BezierPath path) {
StringBuilder buf = new StringBuilder();
if (path.size() == 0) {
// nothing to do
} else if (path.size() == 1) {
BezierPath.Node current = path.get(0);
buf.append("M ");
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
buf.append(" L ");
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0] + 1);
} else {
BezierPath.Node previous;
BezierPath.Node current;
previous = current = path.get(0);
buf.append("M ");
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
for (int i = 1, n = path.size(); i < n; i++) {
previous = current;
current = path.get(i);
if ((previous.mask & BezierPath.C2_MASK) == 0) {
if ((current.mask & BezierPath.C1_MASK) == 0) {
buf.append(" L ");
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
} else {
buf.append(" Q ");
buf.append(current.x[1]);
buf.append(' ');
buf.append(current.y[1]);
buf.append(' ');
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
}
} else {
if ((current.mask & BezierPath.C1_MASK) == 0) {
buf.append(" Q ");
buf.append(current.x[2]);
buf.append(' ');
buf.append(current.y[2]);
buf.append(' ');
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
} else {
buf.append(" C ");
buf.append(previous.x[2]);
buf.append(' ');
buf.append(previous.y[2]);
buf.append(' ');
buf.append(current.x[1]);
buf.append(' ');
buf.append(current.y[1]);
buf.append(' ');
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
}
}
}
if (path.isClosed()) {
if (path.size() > 1) {
previous = path.get(path.size() - 1);
current = path.get(0);
if ((previous.mask & BezierPath.C2_MASK) == 0) {
if ((current.mask & BezierPath.C1_MASK) == 0) {
buf.append(" L ");
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
} else {
buf.append(" Q ");
buf.append(current.x[1]);
buf.append(' ');
buf.append(current.y[1]);
buf.append(' ');
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
}
} else {
if ((current.mask & BezierPath.C1_MASK) == 0) {
buf.append(" Q ");
buf.append(previous.x[2]);
buf.append(' ');
buf.append(previous.y[2]);
buf.append(' ');
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
} else {
buf.append(" C ");
buf.append(previous.x[2]);
buf.append(' ');
buf.append(previous.y[2]);
buf.append(' ');
buf.append(current.x[1]);
buf.append(' ');
buf.append(current.y[1]);
buf.append(' ');
buf.append(current.x[0]);
buf.append(' ');
buf.append(current.y[0]);
}
}
}
buf.append(" Z");
}
}
return buf.toString();
}