int
gs_push_pdf14trans_device(gs_state * pgs, bool is_pattern)
{
gs_pdf14trans_params_t params = { 0 };
cmm_profile_t *icc_profile;
gsicc_rendering_intents_t rendering_intent;
int code;
cmm_dev_profile_t *dev_profile;
code = dev_proc(pgs->device, get_profile)(pgs->device, &dev_profile);
gsicc_extract_profile(GS_UNKNOWN_TAG, dev_profile, &icc_profile,
&rendering_intent);
params.pdf14_op = PDF14_PUSH_DEVICE;
/*
* We really only care about the number of spot colors when we have
* a device which supports spot colors. With the other devices we use
* the tint transform function for DeviceN and Separation color spaces
* and convert spot colors into process colors.
*/
params.num_spot_colors = get_num_pdf14_spot_colors(pgs);
params.is_pattern = is_pattern;
/* If we happen to be in a situation where we are going out to a device
whose profile is CIELAB then we will need to make sure that we
do our blending in RGB and convert to CIELAB when we do the put_image
command */
if (icc_profile->data_cs == gsCIELAB ||
icc_profile->islab) {
params.iccprofile = pgs->icc_manager->default_rgb;
}
/* Note: Other parameters not used */
return gs_state_update_pdf14trans(pgs, ¶ms);
}
/*
* Note: The color space (pcs) has already been modified to use the
* alternate color space.
*/
void
capture_spot_equivalent_cmyk_colors(gx_device * pdev, const gs_state * pgs,
const gs_client_color * pcc, const gs_color_space * pcs,
int sep_num, equivalent_cmyk_color_params * pparams)
{
gs_imager_state temp_state = *((const gs_imager_state *)pgs);
color_capture_device temp_device = { 0 };
gx_device_color dev_color;
gsicc_rendering_intents_t rendering_intent;
int code;
cmm_dev_profile_t *dev_profile;
cmm_profile_t *curr_output_profile;
cmm_dev_profile_t temp_profile;
code = dev_proc(pdev, get_profile)(pdev, &dev_profile);
gsicc_extract_profile(pdev->graphics_type_tag,
dev_profile, &(curr_output_profile),
&rendering_intent);
/*
* Create a temp device. The primary purpose of this device is pass the
* separation number and a pointer to the original device's equivalent
* color parameters. Since we only using this device for a very specific
* purpose, we only set up the color_info structure and our data.
*/
temp_device.color_info = pdev->color_info;
temp_device.sep_num = sep_num;
temp_device.pequiv_cmyk_colors = pparams;
temp_device.memory = pgs->memory;
temp_profile.usefastcolor = false; /* This avoids a few headaches */
temp_profile.device_profile[0] = curr_output_profile;
temp_profile.device_profile[1] = NULL;
temp_profile.device_profile[2] = NULL;
temp_profile.device_profile[2] = NULL;
temp_profile.link_profile = NULL;
temp_profile.proof_profile = NULL;
temp_device.icc_struct = &temp_profile;
set_dev_proc(&temp_device, get_profile, gx_default_get_profile);
/*
* Create a temp copy of the imager state. We do this so that we
* can modify the color space mapping (cmap) procs. We use our
* replacment procs to capture the color. The installation of a
* Separation or DeviceN color space also sets a use_alt_cspace flag
* in the state. We also need to set this to use the alternate space.
*/
temp_state.cmap_procs = &cmap_capture_cmyk_color;
temp_state.color_component_map.use_alt_cspace = true;
/* Now capture the color */
pcs->type->remap_color (pcc, pcs, &dev_color, &temp_state,
(gx_device *)&temp_device, gs_color_select_texture);
}