/**
* Parse a color specified using the fop-rgb-named-color() function.
*
* @param value the function call
* @return a color if possible
* @throws PropertyException if the format is wrong.
*/
private static Color parseAsFopRgbNamedColor(FOUserAgent foUserAgent, String value)
throws PropertyException {
Color parsedColor;
int poss = value.indexOf("(");
int pose = value.indexOf(")");
if (poss != -1 && pose != -1) {
String[] args = value.substring(poss + 1, pose).split(",");
try {
if (args.length != 6) {
throw new PropertyException("rgb-named-color() function must have 6 arguments");
}
// Set up fallback sRGB value
Color sRGB = parseFallback(args, value);
/* Get and verify ICC profile name */
String iccProfileName = args[3].trim();
if (iccProfileName == null || "".equals(iccProfileName)) {
throw new PropertyException("ICC profile name missing");
}
ICC_ColorSpace colorSpace = null;
String iccProfileSrc;
if (isPseudoProfile(iccProfileName)) {
throw new IllegalArgumentException(
"Pseudo-profiles are not allowed with fop-rgb-named-color()");
} else {
/* Get and verify ICC profile source */
iccProfileSrc = args[4].trim();
if (iccProfileSrc == null || "".equals(iccProfileSrc)) {
throw new PropertyException("ICC profile source missing");
}
iccProfileSrc = unescapeString(iccProfileSrc);
}
// color name
String colorName = unescapeString(args[5].trim());
/* Ask FOP factory to get ColorSpace for the specified ICC profile source */
if (foUserAgent != null && iccProfileSrc != null) {
RenderingIntent renderingIntent = RenderingIntent.AUTO;
// TODO connect to fo:color-profile/@rendering-intent
colorSpace =
(ICC_ColorSpace)
foUserAgent
.getColorSpaceCache()
.get(iccProfileName, iccProfileSrc, renderingIntent);
}
if (colorSpace != null) {
ICC_Profile profile = colorSpace.getProfile();
if (NamedColorProfileParser.isNamedColorProfile(profile)) {
NamedColorProfileParser parser = new NamedColorProfileParser();
NamedColorProfile ncp = parser.parseProfile(profile, iccProfileName, iccProfileSrc);
NamedColorSpace ncs = ncp.getNamedColor(colorName);
if (ncs != null) {
parsedColor = new ColorWithFallback(ncs, new float[] {1.0f}, 1.0f, null, sRGB);
} else {
log.warn(
"Color '"
+ colorName
+ "' does not exist in named color profile: "
+ iccProfileSrc);
parsedColor = sRGB;
}
} else {
log.warn("ICC profile is no named color profile: " + iccProfileSrc);
parsedColor = sRGB;
}
} else {
// ICC profile could not be loaded - use rgb replacement values */
log.warn(
"Color profile '" + iccProfileSrc + "' not found. Using sRGB replacement values.");
parsedColor = sRGB;
}
} catch (IOException ioe) {
// wrap in a PropertyException
throw new PropertyException(ioe);
} catch (RuntimeException re) {
throw new PropertyException(re);
// wrap in a PropertyException
}
} else {
throw new PropertyException(
"Unknown color format: "
+ value
+ ". Must be fop-rgb-named-color(r,g,b,NCNAME,src,color-name)");
}
return parsedColor;
}
/**
* Parse a color specified using the fop-rgb-icc() function.
*
* @param value the function call
* @return a color if possible
* @throws PropertyException if the format is wrong.
*/
private static Color parseAsFopRgbIcc(FOUserAgent foUserAgent, String value)
throws PropertyException {
Color parsedColor;
int poss = value.indexOf("(");
int pose = value.indexOf(")");
if (poss != -1 && pose != -1) {
String[] args = value.substring(poss + 1, pose).split(",");
try {
if (args.length < 5) {
throw new PropertyException("Too few arguments for rgb-icc() function");
}
// Set up fallback sRGB value
Color sRGB = parseFallback(args, value);
/* Get and verify ICC profile name */
String iccProfileName = args[3].trim();
if (iccProfileName == null || "".equals(iccProfileName)) {
throw new PropertyException("ICC profile name missing");
}
ColorSpace colorSpace = null;
String iccProfileSrc = null;
if (isPseudoProfile(iccProfileName)) {
if (CMYK_PSEUDO_PROFILE.equalsIgnoreCase(iccProfileName)) {
colorSpace = ColorSpaces.getDeviceCMYKColorSpace();
} else if (SEPARATION_PSEUDO_PROFILE.equalsIgnoreCase(iccProfileName)) {
colorSpace = new NamedColorSpace(args[5], sRGB, SEPARATION_PSEUDO_PROFILE, null);
} else {
assert false : "Incomplete implementation";
}
} else {
/* Get and verify ICC profile source */
iccProfileSrc = args[4].trim();
if (iccProfileSrc == null || "".equals(iccProfileSrc)) {
throw new PropertyException("ICC profile source missing");
}
iccProfileSrc = unescapeString(iccProfileSrc);
}
/* ICC profile arguments */
int componentStart = 4;
if (colorSpace instanceof NamedColorSpace) {
componentStart++;
}
float[] iccComponents = new float[args.length - componentStart - 1];
for (int ix = componentStart; ++ix < args.length; ) {
iccComponents[ix - componentStart - 1] = Float.parseFloat(args[ix].trim());
}
if (colorSpace instanceof NamedColorSpace && iccComponents.length == 0) {
iccComponents = new float[] {1.0f}; // full tint if not specified
}
/* Ask FOP factory to get ColorSpace for the specified ICC profile source */
if (foUserAgent != null && iccProfileSrc != null) {
RenderingIntent renderingIntent = RenderingIntent.AUTO;
// TODO connect to fo:color-profile/@rendering-intent
colorSpace =
foUserAgent.getColorSpaceCache().get(iccProfileName, iccProfileSrc, renderingIntent);
}
if (colorSpace != null) {
// ColorSpace is available
if (ColorSpaces.isDeviceColorSpace(colorSpace)) {
// Device-specific colors are handled differently:
// sRGB is the primary color with the CMYK as the alternative
Color deviceColor = new Color(colorSpace, iccComponents, 1.0f);
float[] rgbComps = sRGB.getRGBColorComponents(null);
parsedColor =
new ColorWithAlternatives(
rgbComps[0], rgbComps[1], rgbComps[2], new Color[] {deviceColor});
} else {
parsedColor = new ColorWithFallback(colorSpace, iccComponents, 1.0f, null, sRGB);
}
} else {
// ICC profile could not be loaded - use rgb replacement values */
log.warn(
"Color profile '" + iccProfileSrc + "' not found. Using sRGB replacement values.");
parsedColor = sRGB;
}
} catch (RuntimeException re) {
throw new PropertyException(re);
}
} else {
throw new PropertyException(
"Unknown color format: " + value + ". Must be fop-rgb-icc(r,g,b,NCNAME,src,....)");
}
return parsedColor;
}