static void output_profile_changed(GtkWidget *widget, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
if(self->dt->gui->reset) return;
dt_iop_colorout_params_t *p = (dt_iop_colorout_params_t *)self->params;
int pos = dt_bauhaus_combobox_get(widget);
for(GList *profiles = darktable.color_profiles->profiles; profiles; profiles = g_list_next(profiles))
{
dt_colorspaces_color_profile_t *pp = (dt_colorspaces_color_profile_t *)profiles->data;
if(pp->out_pos == pos)
{
p->type = pp->type;
g_strlcpy(p->filename, pp->filename, sizeof(p->filename));
dt_dev_add_history_item(darktable.develop, self, TRUE);
return;
}
}
fprintf(stderr, "[colorout] color profile %s seems to have disappeared!\n", dt_colorspaces_get_name(p->type, p->filename));
}
void gui_update(struct dt_iop_module_t *self)
{
dt_iop_module_t *module = (dt_iop_module_t *)self;
dt_iop_colorout_gui_data_t *g = (dt_iop_colorout_gui_data_t *)self->gui_data;
dt_iop_colorout_params_t *p = (dt_iop_colorout_params_t *)module->params;
dt_bauhaus_combobox_set(g->output_intent, (int)p->intent);
for(GList *iter = darktable.color_profiles->profiles; iter; iter = g_list_next(iter))
{
dt_colorspaces_color_profile_t *pp = (dt_colorspaces_color_profile_t *)iter->data;
if(pp->out_pos > -1 &&
p->type == pp->type && (p->type != DT_COLORSPACE_FILE || !strcmp(p->filename, pp->filename)))
{
dt_bauhaus_combobox_set(g->output_profile, pp->out_pos);
return;
}
}
dt_bauhaus_combobox_set(g->output_profile, 0);
fprintf(stderr, "[colorout] could not find requested profile `%s'!\n", dt_colorspaces_get_name(p->type, p->filename));
}
void commit_params(struct dt_iop_module_t *self, dt_iop_params_t *p1, dt_dev_pixelpipe_t *pipe,
dt_dev_pixelpipe_iop_t *piece)
{
dt_iop_colorout_params_t *p = (dt_iop_colorout_params_t *)p1;
dt_iop_colorout_data_t *d = (dt_iop_colorout_data_t *)piece->data;
const dt_colorspaces_color_profile_type_t over_type = dt_conf_get_int("plugins/lighttable/export/icctype");
gchar *over_filename = dt_conf_get_string("plugins/lighttable/export/iccprofile");
const dt_iop_color_intent_t over_intent = dt_conf_get_int("plugins/lighttable/export/iccintent");
const int force_lcms2 = dt_conf_get_bool("plugins/lighttable/export/force_lcms2");
dt_colorspaces_color_profile_type_t out_type = DT_COLORSPACE_SRGB;
gchar *out_filename = NULL;
dt_iop_color_intent_t out_intent = DT_INTENT_PERCEPTUAL;
const cmsHPROFILE Lab = dt_colorspaces_get_profile(DT_COLORSPACE_LAB, "", DT_PROFILE_DIRECTION_ANY)->profile;
cmsHPROFILE output = NULL;
cmsHPROFILE softproof = NULL;
d->mode = pipe->type == DT_DEV_PIXELPIPE_FULL ? darktable.color_profiles->mode : DT_PROFILE_NORMAL;
if(d->xform)
{
cmsDeleteTransform(d->xform);
d->xform = NULL;
}
d->cmatrix[0] = NAN;
d->lut[0][0] = -1.0f;
d->lut[1][0] = -1.0f;
d->lut[2][0] = -1.0f;
piece->process_cl_ready = 1;
/* if we are exporting then check and set usage of override profile */
if(pipe->type == DT_DEV_PIXELPIPE_EXPORT)
{
if(over_type != DT_COLORSPACE_NONE)
{
p->type = over_type;
g_strlcpy(p->filename, over_filename, sizeof(p->filename));
}
if((unsigned int)over_intent < DT_INTENT_LAST) p->intent = over_intent;
out_type = p->type;
out_filename = p->filename;
out_intent = p->intent;
}
else if(pipe->type == DT_DEV_PIXELPIPE_THUMBNAIL)
{
out_type = dt_mipmap_cache_get_colorspace();
out_filename = (out_type == DT_COLORSPACE_DISPLAY ? darktable.color_profiles->display_filename : "");
out_intent = darktable.color_profiles->display_intent;
}
else
{
/* we are not exporting, using display profile as output */
out_type = darktable.color_profiles->display_type;
out_filename = darktable.color_profiles->display_filename;
out_intent = darktable.color_profiles->display_intent;
}
/*
* Setup transform flags
*/
uint32_t transformFlags = 0;
/* creating output profile */
if(out_type == DT_COLORSPACE_DISPLAY) pthread_rwlock_rdlock(&darktable.color_profiles->xprofile_lock);
const dt_colorspaces_color_profile_t *out_profile
= dt_colorspaces_get_profile(out_type, out_filename, DT_PROFILE_DIRECTION_OUT | DT_PROFILE_DIRECTION_DISPLAY);
if(out_profile)
output = out_profile->profile;
else
{
output = dt_colorspaces_get_profile(DT_COLORSPACE_SRGB, "",
DT_PROFILE_DIRECTION_OUT | DT_PROFILE_DIRECTION_DISPLAY)->profile;
dt_control_log(_("missing output profile has been replaced by sRGB!"));
fprintf(stderr, "missing output profile `%s' has been replaced by sRGB!\n",
dt_colorspaces_get_name(out_type, out_filename));
}
/* creating softproof profile if softproof is enabled */
if(d->mode != DT_PROFILE_NORMAL && pipe->type == DT_DEV_PIXELPIPE_FULL)
{
const dt_colorspaces_color_profile_t *p = dt_colorspaces_get_profile(darktable.color_profiles->softproof_type,
darktable.color_profiles->softproof_filename,
DT_PROFILE_DIRECTION_OUT |
DT_PROFILE_DIRECTION_DISPLAY);
if(p)
softproof = p->profile;
else
{
softproof = dt_colorspaces_get_profile(DT_COLORSPACE_SRGB, "",
DT_PROFILE_DIRECTION_OUT | DT_PROFILE_DIRECTION_DISPLAY)->profile;
dt_control_log(_("missing output profile has been replaced by sRGB!"));
fprintf(stderr, "missing output profile `%s' has been replaced by sRGB!\n",
dt_colorspaces_get_name(out_type, out_filename));
}
/* TODO: the use of bpc should be userconfigurable either from module or preference pane */
/* softproof flag and black point compensation */
transformFlags |= cmsFLAGS_SOFTPROOFING | cmsFLAGS_NOCACHE | cmsFLAGS_BLACKPOINTCOMPENSATION;
if(d->mode == DT_PROFILE_GAMUTCHECK) transformFlags |= cmsFLAGS_GAMUTCHECK;
}
/*
* NOTE: theoretically, we should be passing
* UsedDirection = LCMS_USED_AS_PROOF into
* dt_colorspaces_get_matrix_from_output_profile() so that
* dt_colorspaces_get_matrix_from_profile() knows it, but since we do not try
* to use our matrix codepath when softproof is enabled, this seemed redundant.
*/
/* get matrix from profile, if softproofing or high quality exporting always go xform codepath */
if(d->mode != DT_PROFILE_NORMAL || force_lcms2
|| dt_colorspaces_get_matrix_from_output_profile(output, d->cmatrix, d->lut[0], d->lut[1], d->lut[2],
LUT_SAMPLES, out_intent))
{
d->cmatrix[0] = NAN;
piece->process_cl_ready = 0;
d->xform = cmsCreateProofingTransform(Lab, TYPE_LabA_FLT, output, TYPE_RGBA_FLT, softproof,
out_intent, INTENT_RELATIVE_COLORIMETRIC, transformFlags);
}
// user selected a non-supported output profile, check that:
if(!d->xform && isnan(d->cmatrix[0]))
{
dt_control_log(_("unsupported output profile has been replaced by sRGB!"));
fprintf(stderr, "unsupported output profile `%s' has been replaced by sRGB!\n", out_profile->name);
output = dt_colorspaces_get_profile(DT_COLORSPACE_SRGB, "", DT_PROFILE_DIRECTION_OUT)->profile;
if(d->mode != DT_PROFILE_NORMAL
|| dt_colorspaces_get_matrix_from_output_profile(output, d->cmatrix, d->lut[0], d->lut[1],
d->lut[2], LUT_SAMPLES, out_intent))
{
d->cmatrix[0] = NAN;
piece->process_cl_ready = 0;
d->xform = cmsCreateProofingTransform(Lab, TYPE_LabA_FLT, output, TYPE_RGBA_FLT, softproof,
out_intent, INTENT_RELATIVE_COLORIMETRIC, transformFlags);
}
}
if(out_type == DT_COLORSPACE_DISPLAY) pthread_rwlock_unlock(&darktable.color_profiles->xprofile_lock);
// now try to initialize unbounded mode:
// we do extrapolation for input values above 1.0f.
// unfortunately we can only do this if we got the computation
// in our hands, i.e. for the fast builtin-dt-matrix-profile path.
for(int k = 0; k < 3; k++)
{
// omit luts marked as linear (negative as marker)
if(d->lut[k][0] >= 0.0f)
{
const float x[4] = { 0.7f, 0.8f, 0.9f, 1.0f };
const float y[4] = { lerp_lut(d->lut[k], x[0]), lerp_lut(d->lut[k], x[1]), lerp_lut(d->lut[k], x[2]),
lerp_lut(d->lut[k], x[3]) };
dt_iop_estimate_exp(x, y, 4, d->unbounded_coeffs[k]);
}
else
d->unbounded_coeffs[k][0] = -1.0f;
}
g_free(over_filename);
}
