@Override
protected void computeRect(Raster[] sources, WritableRaster dest, Rectangle destRect) {
synchronized (this) {
if (transform == null) {
int lcms_intent =
intent.getValue() < 4 ? intent.getValue() : LCMS.INTENT_RELATIVE_COLORIMETRIC;
int lcms_proofIntent =
proofIntent.getValue() < 4 ? proofIntent.getValue() : LCMS.INTENT_RELATIVE_COLORIMETRIC;
int lcms_flags =
intent.getValue() == 4 || proofIntent.getValue() == 4
? LCMS.cmsFLAGS_BLACKPOINTCOMPENSATION
: 0;
ColorSpace sourceCS = source.getColorModel().getColorSpace();
LCMS.Profile sourceProfile =
sourceCS instanceof LCMS_ColorSpace
? ((LCMS_ColorSpace) sourceCS).getProfile()
: new LCMS.Profile(((ICC_ColorSpace) sourceCS).getProfile());
ColorSpace targetCS = targetColorModel.getColorSpace();
LCMS.Profile targetProfile =
targetCS instanceof LCMS_ColorSpace
? ((LCMS_ColorSpace) targetCS).getProfile()
: new LCMS.Profile(((ICC_ColorSpace) targetCS).getProfile());
LCMS.Profile proofProfile = proof != null ? new LCMS.Profile(proof) : null;
int inType = mapLCMSType(sourceCS.getType(), source.getColorModel().getTransferType());
int outType = mapLCMSType(targetCS.getType(), colorModel.getTransferType());
transform =
proofProfile != null
? new LCMS.Transform(
sourceProfile,
inType,
targetProfile,
outType,
proofProfile,
lcms_proofIntent,
lcms_intent,
lcms_flags)
: new LCMS.Transform(
sourceProfile, inType, targetProfile, outType, lcms_intent, lcms_flags);
}
}
RasterFormatTag[] formatTags = getFormatTags();
Rectangle srcRect = mapDestRect(destRect, 0);
RasterAccessor src =
new RasterAccessor(sources[0], srcRect, formatTags[0], getSourceImage(0).getColorModel());
RasterAccessor dst = new RasterAccessor(dest, destRect, formatTags[1], this.getColorModel());
if (src.getDataType() == dst.getDataType()) {
transform.doTransform(
src,
formatTags[0],
getSourceImage(0).getColorModel(),
dst,
formatTags[1],
this.getColorModel());
} else {
throw new IllegalArgumentException("Input and output rasters don't match!");
}
}
