public static String getInheritedAttribute(
String name, DOMInput in, List<Map<String, String>> styles) {
List<String> values = in.getInheritedAttribute(name);
for (int i = values.size() - 1; i >= 0; i--) {
if (values.get(i) != null) {
return values.get(i);
}
if (styles.get(i) != null && styles.get(i).containsKey(name)) {
return styles.get(i).get(name);
}
}
return null;
}
public static double getDimensionValue(DOMInput in, String str) throws IOException {
double scaleFactor = 1d;
if (str == null || str.length() == 0) {
return 0d;
}
if (str.endsWith("%")) {
str = str.substring(0, str.length() - 1);
} else if (str.endsWith("px")) {
str = str.substring(0, str.length() - 2);
} else if (str.endsWith("pt")) {
str = str.substring(0, str.length() - 2);
scaleFactor = 1.25;
} else if (str.endsWith("pc")) {
str = str.substring(0, str.length() - 2);
scaleFactor = 15;
} else if (str.endsWith("mm")) {
str = str.substring(0, str.length() - 2);
scaleFactor = 3.543307;
} else if (str.endsWith("cm")) {
str = str.substring(0, str.length() - 2);
scaleFactor = 35.43307;
} else if (str.endsWith("in")) {
str = str.substring(0, str.length() - 2);
scaleFactor = 90;
} else if (str.endsWith("em")) {
str = str.substring(0, str.length() - 2);
List<Map<String, String>> styles = new ArrayList<Map<String, String>>();
List<String> values = in.getInheritedAttribute("style");
for (String v : values) {
styles.add(getStyles(v));
}
String value = getInheritedAttribute("font-size", in, styles);
if (value != null && !value.endsWith("em")) {
scaleFactor = getDimensionValue(in, value);
}
}
return Double.parseDouble(str) * scaleFactor;
}
/** Reads the attributes from the specified DOMInput and assigns them to the figure. */
public static void readAttributes(Figure f, DOMInput in) throws IOException {
// FIXME - This method is not working, when "style" and individual attributes
// are both used in an SVG document.
List<Map<String, String>> styles = new ArrayList<Map<String, String>>();
List<String> values = in.getInheritedAttribute("style");
for (String v : values) {
styles.add(getStyles(v));
}
String value;
// Fill color
value = getInheritedAttribute("fill", in, styles);
if (value != null) {
Color color = getColor(value);
if (color != INHERIT_COLOR && color != CURRENT_COLOR) {
FILL_COLOR.set(f, color);
}
}
value = getInheritedAttribute("fill-rule", in, styles);
if (value != null) {
WINDING_RULE.set(
f, value.toUpperCase().equals("NONZERO") ? WindingRule.NON_ZERO : WindingRule.EVEN_ODD);
} else {
WINDING_RULE.set(f, WindingRule.NON_ZERO);
}
// Stroke color
value = getInheritedAttribute("stroke", in, styles);
if (value != null) {
Color color = getColor(value);
if (color != INHERIT_COLOR && color != CURRENT_COLOR) {
STROKE_COLOR.set(f, color);
}
}
value = getInheritedAttribute("stroke-width", in, styles);
if (value != null) {
STROKE_WIDTH.set(f, Double.valueOf(value));
}
value = getInheritedAttribute("stroke-miterlimit", in, styles);
if (value != null) {
STROKE_MITER_LIMIT_FACTOR.set(f, Double.valueOf(value));
}
value = getInheritedAttribute("stroke-dasharray", in, styles);
if (value != null) {
StringTokenizer tt = new StringTokenizer(value, " ,");
double[] dashes = new double[tt.countTokens()];
for (int i = 0, n = dashes.length; i < n; i++) {
dashes[i] = Double.valueOf(tt.nextToken());
}
STROKE_DASHES.set(f, dashes);
}
value = getInheritedAttribute("stroke-dashoffset", in, styles);
if (value != null) {
STROKE_DASH_PHASE.set(f, Math.abs(Double.valueOf(value)));
}
value = getInheritedAttribute("font-size", in, styles);
if (value != null) {
FONT_SIZE.set(f, getDimensionValue(in, value));
}
value = getInheritedAttribute("text-anchor", in, styles);
if (value != null) {
SVGText.TEXT_ANCHOR.set(f, Enum.valueOf(SVGText.TextAnchor.class, value.toUpperCase()));
}
}