// Populate a named color list with usual component names.
// I am using the first Colorant channel to store the range, but it works since
// this space is not used anyway.
static
cmsNAMEDCOLORLIST* ComponentNames(cmsColorSpaceSignature space, cmsBool IsInput)
{
cmsNAMEDCOLORLIST* out;
int i, n;
char Buffer[cmsMAX_PATH];
out = cmsAllocNamedColorList(0, 12, cmsMAXCHANNELS, "", "");
if (out == NULL) return NULL;
switch (space) {
case cmsSigXYZData:
SetRange(100, IsInput);
cmsAppendNamedColor(out, "X", NULL, NULL);
cmsAppendNamedColor(out, "Y", NULL, NULL);
cmsAppendNamedColor(out, "Z", NULL, NULL);
break;
case cmsSigLabData:
SetRange(1, IsInput);
cmsAppendNamedColor(out, "L*", NULL, NULL);
cmsAppendNamedColor(out, "a*", NULL, NULL);
cmsAppendNamedColor(out, "b*", NULL, NULL);
break;
case cmsSigLuvData:
SetRange(1, IsInput);
cmsAppendNamedColor(out, "L", NULL, NULL);
cmsAppendNamedColor(out, "u", NULL, NULL);
cmsAppendNamedColor(out, "v", NULL, NULL);
break;
case cmsSigYCbCrData:
SetRange(255, IsInput);
cmsAppendNamedColor(out, "Y", NULL, NULL );
cmsAppendNamedColor(out, "Cb", NULL, NULL);
cmsAppendNamedColor(out, "Cr", NULL, NULL);
break;
case cmsSigYxyData:
SetRange(1, IsInput);
cmsAppendNamedColor(out, "Y", NULL, NULL);
cmsAppendNamedColor(out, "x", NULL, NULL);
cmsAppendNamedColor(out, "y", NULL, NULL);
break;
case cmsSigRgbData:
SetRange(255, IsInput);
cmsAppendNamedColor(out, "R", NULL, NULL);
cmsAppendNamedColor(out, "G", NULL, NULL);
cmsAppendNamedColor(out, "B", NULL, NULL);
break;
case cmsSigGrayData:
SetRange(255, IsInput);
cmsAppendNamedColor(out, "G", NULL, NULL);
break;
case cmsSigHsvData:
SetRange(255, IsInput);
cmsAppendNamedColor(out, "H", NULL, NULL);
cmsAppendNamedColor(out, "s", NULL, NULL);
cmsAppendNamedColor(out, "v", NULL, NULL);
break;
case cmsSigHlsData:
SetRange(255, IsInput);
cmsAppendNamedColor(out, "H", NULL, NULL);
cmsAppendNamedColor(out, "l", NULL, NULL);
cmsAppendNamedColor(out, "s", NULL, NULL);
break;
case cmsSigCmykData:
SetRange(1, IsInput);
cmsAppendNamedColor(out, "C", NULL, NULL);
cmsAppendNamedColor(out, "M", NULL, NULL);
cmsAppendNamedColor(out, "Y", NULL, NULL);
cmsAppendNamedColor(out, "K", NULL, NULL);
break;
case cmsSigCmyData:
SetRange(1, IsInput);
cmsAppendNamedColor(out, "C", NULL, NULL);
cmsAppendNamedColor(out, "M", NULL, NULL);
cmsAppendNamedColor(out, "Y", NULL, NULL);
break;
default:
SetRange(1, IsInput);
n = cmsChannelsOf(space);
for (i=0; i < n; i++) {
sprintf(Buffer, "Channel #%d", i + 1);
cmsAppendNamedColor(out, Buffer, NULL, NULL);
}
}
return out;
}
/**
* cd_util_create_named_color:
**/
static gboolean
cd_util_create_named_color (CdUtilPrivate *priv,
CdDom *dom,
const GNode *root,
GError **error)
{
CdColorLab lab;
cmsNAMEDCOLORLIST *nc2 = NULL;
cmsUInt16Number pcs[3];
const GNode *name;
const GNode *named;
const GNode *prefix;
const GNode *suffix;
const GNode *tmp;
gboolean ret = TRUE;
priv->lcms_profile = cmsCreateNULLProfileTHR (cd_icc_get_context (priv->icc));
if (priv->lcms_profile == NULL) {
ret = FALSE;
g_set_error_literal (error, 1, 0,
"failed to create NULL profile");
goto out;
}
cmsSetDeviceClass(priv->lcms_profile, cmsSigNamedColorClass);
cmsSetPCS (priv->lcms_profile, cmsSigLabData);
cmsSetColorSpace (priv->lcms_profile, cmsSigLabData);
/* create a named color structure */
prefix = cd_dom_get_node (dom, root, "prefix");
suffix = cd_dom_get_node (dom, root, "suffix");
nc2 = cmsAllocNamedColorList (NULL, 1, /* will realloc more as required */
3,
prefix != NULL ? cd_dom_get_node_data (prefix) : "",
suffix != NULL ? cd_dom_get_node_data (suffix) : "");
named = cd_dom_get_node (dom, root, "named");
if (named == NULL) {
ret = FALSE;
g_set_error_literal (error, 1, 0,
"XML error: missing named");
goto out;
}
for (tmp = named->children; tmp != NULL; tmp = tmp->next) {
name = cd_dom_get_node (dom, tmp, "name");
if (name == NULL) {
ret = FALSE;
g_set_error_literal (error, 1, 0,
"XML error: missing name");
goto out;
}
ret = cd_dom_get_node_lab (tmp, &lab);
if (!ret) {
ret = FALSE;
g_set_error (error, 1, 0,
"XML error: missing Lab for %s",
cd_dom_get_node_data (name));
goto out;
}
/* PCS = colours in PCS colour space CIE*Lab
* colorant = colours in device colour space */
cmsFloat2LabEncoded (pcs, (cmsCIELab *) &lab);
ret = cmsAppendNamedColor (nc2, cd_dom_get_node_data (name), pcs, pcs);
g_assert (ret);
}
cmsWriteTag (priv->lcms_profile, cmsSigNamedColor2Tag, nc2);
out:
if (nc2 != NULL)
cmsFreeNamedColorList (nc2);
return ret;
}
