static int
gx_concretize_DeviceN(const gs_client_color * pc, const gs_color_space * pcs,
frac * pconc, const gs_imager_state * pis, gx_device *dev)
{
int code, tcode = 0;
gs_client_color cc;
gs_color_space *pacs = (gs_color_space*) (pcs->base_space);
gs_device_n_map *map = pcs->params.device_n.map;
bool is_lab;
int num_src_comps = pcs->params.device_n.num_components;
#ifdef DEBUG
/*
* Verify that the color space and imager state info match.
*/
if (pcs->id != pis->color_component_map.cspace_id)
dmprintf(dev->memory, "gx_concretize_DeviceN: color space id mismatch");
#endif
/*
* Check if we need to map into the alternate color space.
* We must preserve tcode for implementing a semi-hack in the interpreter.
*/
if (pis->color_component_map.use_alt_cspace) {
/* Check the 1-element cache first. */
if (map->cache_valid) {
int i;
for (i = pcs->params.device_n.num_components; --i >= 0;) {
if (map->tint[i] != pc->paint.values[i])
break;
}
if (i < 0) {
int num_out = gs_color_space_num_components(pacs);
for (i = 0; i < num_out; ++i)
pconc[i] = map->conc[i];
return 0;
}
}
tcode = (*pcs->params.device_n.map->tint_transform)
(pc->paint.values, &cc.paint.values[0],
pis, pcs->params.device_n.map->tint_transform_data);
(*pacs->type->restrict_color)(&cc, pacs);
if (tcode < 0)
return tcode;
/* First check if this was PS based. */
if (gs_color_space_is_PSCIE(pacs)) {
/* We may have to rescale data to 0 to 1 range */
rescale_cie_colors(pacs, &cc);
/* If we have not yet created the profile do that now */
if (pacs->icc_equivalent == NULL) {
gs_colorspace_set_icc_equivalent(pacs, &(is_lab), pis->memory);
}
/* Use the ICC equivalent color space */
pacs = pacs->icc_equivalent;
}
if (pacs->cmm_icc_profile_data->data_cs == gsCIELAB ||
pacs->cmm_icc_profile_data->islab) {
/* Get the data in a form that is concrete for the CMM */
cc.paint.values[0] /= 100.0;
cc.paint.values[1] = (cc.paint.values[1]+128)/255.0;
cc.paint.values[2] = (cc.paint.values[2]+128)/255.0;
}
code = cs_concretize_color(&cc, pacs, pconc, pis, dev);
}
else {
int i;
for (i = num_src_comps; --i >= 0;)
pconc[i] = gx_unit_frac(pc->paint.values[i]);
return 0;
}
return (code < 0 || tcode == 0 ? code : tcode);
}
static int
gx_concretize_DeviceN(const gs_client_color * pc, const gs_color_space * pcs,
frac * pconc, const gs_imager_state * pis, gx_device *dev)
{
int code, tcode = 0;
gs_client_color cc;
gs_color_space *pacs = (gs_color_space*) (pcs->base_space);
gs_device_n_map *map = pcs->params.device_n.map;
bool is_lab;
int k;
int num_des_comps = dev->color_info.num_components;
gsicc_namedcolor_t *named_color;
const gs_separation_name *names = pcs->params.device_n.names;
int num_src_comps = pcs->params.device_n.num_components;
#ifdef DEBUG
/*
* Verify that the color space and imager state info match.
*/
if (pcs->id != pis->color_component_map.cspace_id)
dmprintf(dev->memory, "gx_concretize_DeviceN: color space id mismatch");
#endif
/*
* Check if we need to map into the alternate color space.
* We must preserve tcode for implementing a semi-hack in the interpreter.
*/
if (pis->color_component_map.use_alt_cspace) {
/* First see if we have a named color object that we can use to try
to map from the spot color into device values. */
if (pis->icc_manager->device_named != NULL) {
/* There is a table present. If we have the colorant name
then get the device values */
gx_color_value device_values[GX_DEVICE_COLOR_MAX_COMPONENTS];
byte *pname;
uint name_size;
gsicc_rendering_param_t rendering_params;
/* Define the rendering intents. */
rendering_params.black_point_comp = pis->blackptcomp;
rendering_params.graphics_type_tag = dev->graphics_type_tag;
rendering_params.override_icc = false;
rendering_params.preserve_black = gsBKPRESNOTSPECIFIED;
rendering_params.rendering_intent = pis->renderingintent;
rendering_params.cmm = gsCMM_DEFAULT;
/* Allocate and initialize name structure */
named_color =
(gsicc_namedcolor_t*) gs_alloc_bytes(dev->memory,
num_src_comps * sizeof(gsicc_namedcolor_t),
"gx_remap_concrete_DeviceN");
for (k = 0; k < num_src_comps; k++) {
pcs->params.device_n.get_colorname_string(dev->memory, names[k],
&pname, &name_size);
named_color[k].colorant_name = (char*) pname;
named_color[k].name_size = name_size;
}
code = gsicc_transform_named_color(pc->paint.values, named_color,
num_src_comps, device_values,
pis, dev, NULL,
&rendering_params);
gs_free_object(dev->memory, named_color,
"gx_remap_concrete_DeviceN");
if (code == 0) {
for (k = 0; k < num_des_comps; k++){
pconc[k] = float2frac(((float) device_values[k])/65535.0);
}
return(0);
}
}
/* Check the 1-element cache first. */
if (map->cache_valid) {
int i;
for (i = pcs->params.device_n.num_components; --i >= 0;) {
if (map->tint[i] != pc->paint.values[i])
break;
}
if (i < 0) {
int num_out = gs_color_space_num_components(pacs);
for (i = 0; i < num_out; ++i)
pconc[i] = map->conc[i];
return 0;
}
}
tcode = (*pcs->params.device_n.map->tint_transform)
(pc->paint.values, &cc.paint.values[0],
pis, pcs->params.device_n.map->tint_transform_data);
(*pacs->type->restrict_color)(&cc, pacs);
if (tcode < 0)
return tcode;
/* First check if this was PS based. */
if (gs_color_space_is_PSCIE(pacs)) {
/* We may have to rescale data to 0 to 1 range */
rescale_cie_colors(pacs, &cc);
/* If we have not yet created the profile do that now */
if (pacs->icc_equivalent == NULL) {
gs_colorspace_set_icc_equivalent(pacs, &(is_lab), pis->memory);
}
/* Use the ICC equivalent color space */
pacs = pacs->icc_equivalent;
}
if (pacs->cmm_icc_profile_data->data_cs == gsCIELAB ||
pacs->cmm_icc_profile_data->islab) {
/* Get the data in a form that is concrete for the CMM */
cc.paint.values[0] /= 100.0;
cc.paint.values[1] = (cc.paint.values[1]+128)/255.0;
cc.paint.values[2] = (cc.paint.values[2]+128)/255.0;
}
code = cs_concretize_color(&cc, pacs, pconc, pis, dev);
}
else {
int i;
for (i = num_src_comps; --i >= 0;)
pconc[i] = gx_unit_frac(pc->paint.values[i]);
return 0;
}
return (code < 0 || tcode == 0 ? code : tcode);
}
