int
pdf_add_colorspace(PDF *p, pdf_colorspace cs, const char *spotname)
{
int slot;
/* TODO: optimize and check for known color space combinations
if (cs == Separation)
for (slot = 0; slot < p->colorspaces_number; slot++) {
if (!strcmp(p->colorspaces[slot].name, spotname))
return slot;
}
*/
slot = p->colorspaces_number;
if (p->colorspaces_number >= p->colorspaces_capacity)
pdf_grow_colorspaces(p);
if (cs == Separation) {
p->colorspaces[slot].obj_id = pdf_alloc_id(p);
p->colorspaces[slot].name = pdf_strdup(p, spotname);
p->colorspaces[slot].cs = Separation;
p->colorspaces[slot].alternate = p->cstate[p->sl].fill;
} else if (cs == PatternCS) {
p->colorspaces[slot].obj_id = pdf_alloc_id(p);
p->colorspaces[slot].name = (char *) NULL;
p->colorspaces[slot].cs = PatternCS;
p->colorspaces[slot].alternate = p->cstate[p->sl].fill;
} else {
pdf_error(p, PDF_SystemError,
"Unknown color space in pdf_add_colorspace");
}
p->colorspaces[p->colorspaces_number].used_on_current_page = pdf_true;
p->colorspaces_number++;
return slot;
}
int
pdf_add_colorspace(PDF *p, pdf_colorspace *cs, pdc_bool inuse)
{
pdf_colorspace *cs_new;
static const char fn[] = "pdf_add_colorspace";
int slot;
for (slot = 0; slot < p->colorspaces_number; slot++)
{
if (pdf_colorspace_equal(p, &p->colorspaces[slot], cs))
{
if (inuse)
p->colorspaces[slot].used_on_current_page = pdc_true;
return slot;
}
}
slot = p->colorspaces_number;
if (p->colorspaces_number >= p->colorspaces_capacity)
pdf_grow_colorspaces(p);
cs_new = &p->colorspaces[slot];
cs_new->type = cs->type;
/* don't allocate id for simple color spaces, since we don't write these */
if (PDF_SIMPLE_COLORSPACE(cs)) {
cs_new->obj_id = PDC_BAD_ID;
cs_new->used_on_current_page = pdc_false;
} else {
cs_new->obj_id = pdc_alloc_id(p->out);
cs_new->used_on_current_page = inuse;
}
switch (cs_new->type) {
case DeviceGray:
case DeviceRGB:
case DeviceCMYK:
break;
case Indexed:
{
size_t palsize; /* palette size in bytes */
palsize = cs->val.indexed.palette_size *
pdf_color_components(p, cs->val.indexed.base);
cs_new->val.indexed.base = cs->val.indexed.base;
cs_new->val.indexed.palette_size = cs->val.indexed.palette_size;
cs_new->val.indexed.colormap_id = pdc_alloc_id(p->out);
cs_new->val.indexed.colormap =
(pdf_colormap *) pdc_malloc(p->pdc, palsize, fn);
memcpy(cs_new->val.indexed.colormap, cs->val.indexed.colormap, palsize);
cs_new->val.indexed.colormap_done = pdc_false;
break;
case PatternCS:
cs_new->val.pattern.base = cs->val.pattern.base;
break;
}
default:
pdc_error(p->pdc, PDF_E_INT_BADCS, fn,
pdc_errprintf(p->pdc, "%d", slot),
pdc_errprintf(p->pdc, "%d", cs_new->type), 0);
}
p->colorspaces_number++;
return slot;
} /* pdf_add_colorspace */
