static fz_error
loadseparation(fz_colorspace **csp, pdf_xref *xref, fz_obj *array)
{
fz_error error;
struct separation *cs;
fz_obj *nameobj = fz_arrayget(array, 1);
fz_obj *baseobj = fz_arrayget(array, 2);
fz_obj *tintobj = fz_arrayget(array, 3);
fz_colorspace *base;
pdf_function *tint;
int n;
pdf_logrsrc("load Separation {\n");
if (fz_isarray(nameobj))
n = fz_arraylen(nameobj);
else
n = 1;
if (n > FZ_MAXCOLORS)
return fz_throw("too many components in colorspace");
pdf_logrsrc("n = %d\n", n);
error = pdf_loadcolorspace(&base, xref, baseobj);
if (error)
return fz_rethrow(error, "cannot load base colorspace");
error = pdf_loadfunction(&tint, xref, tintobj);
if (error)
{
fz_dropcolorspace(base);
return fz_rethrow(error, "cannot load tint function");
}
cs = fz_malloc(sizeof(struct separation));
initcs((fz_colorspace*)cs,
n == 1 ? "Separation" : "DeviceN", n,
separationtoxyz, nil, freeseparation);
cs->base = fz_keepcolorspace(base);
cs->tint = pdf_keepfunction(tint);
fz_dropcolorspace(base);
pdf_dropfunction(tint);
pdf_logrsrc("}\n");
*csp = (fz_colorspace*)cs;
return fz_okay;
}
fz_error *
pdf_storeitem(pdf_store *store, pdf_itemkind kind, fz_obj *key, void *val)
{
fz_error *error;
switch (kind)
{
case PDF_KCOLORSPACE: fz_keepcolorspace(val); break;
case PDF_KFUNCTION: pdf_keepfunction(val); break;
case PDF_KXOBJECT: pdf_keepxobject(val); break;
case PDF_KIMAGE: fz_keepimage(val); break;
case PDF_KPATTERN: pdf_keeppattern(val); break;
case PDF_KSHADE: fz_keepshade(val); break;
case PDF_KCMAP: pdf_keepcmap(val); break;
case PDF_KFONT: fz_keepfont(val); break;
}
if (fz_isindirect(key))
{
struct refkey item;
pdf_logrsrc("store item %d: %d %d R = %p\n", kind, fz_tonum(key), fz_togen(key), val);
item.kind = kind;
item.oid = fz_tonum(key);
item.gen = fz_togen(key);
error = fz_hashinsert(store->hash, &item, val);
if (error)
return error;
}
else
{
pdf_item *item;
item = fz_malloc(sizeof(pdf_item));
if (!item)
return fz_outofmem;
pdf_logrsrc("store item %d: ... = %p\n", kind, val);
item->kind = kind;
item->key = fz_keepobj(key);
item->val = val;
item->next = store->root;
store->root = item;
}
return nil;
}
static void keepitem(pdf_itemkind kind, void *val)
{
switch (kind)
{
case PDF_KCOLORSPACE: fz_keepcolorspace(val); break;
case PDF_KFUNCTION: pdf_keepfunction(val); break;
case PDF_KXOBJECT: pdf_keepxobject(val); break;
case PDF_KIMAGE: fz_keepimage(val); break;
case PDF_KPATTERN: pdf_keeppattern(val); break;
case PDF_KSHADE: fz_keepshade(val); break;
case PDF_KCMAP: pdf_keepcmap(val); break;
case PDF_KFONT: pdf_keepfont(val); break;
}
}
