void gui_update(dt_iop_module_t *self)
{
dt_iop_rawprepare_gui_data_t *g = (dt_iop_rawprepare_gui_data_t *)self->gui_data;
dt_iop_rawprepare_params_t *p = (dt_iop_rawprepare_params_t *)self->params;
for(int i = 0; i < 4; i++)
{
dt_bauhaus_slider_set_soft(g->black_level_separate[i], p->raw_black_level_separate[i]);
dt_bauhaus_slider_set_default(g->black_level_separate[i], p->raw_black_level_separate[i]);
}
dt_bauhaus_slider_set_soft(g->white_point, p->raw_white_point);
dt_bauhaus_slider_set_default(g->white_point, p->raw_white_point);
if(self->default_enabled)
{
gtk_widget_show(g->box_raw);
gtk_widget_hide(g->label_non_raw);
}
else
{
gtk_widget_hide(g->box_raw);
gtk_widget_show(g->label_non_raw);
}
}
void gui_update(dt_iop_module_t *self)
{
dt_iop_rawprepare_gui_data_t *g = (dt_iop_rawprepare_gui_data_t *)self->gui_data;
dt_iop_rawprepare_params_t *p = (dt_iop_rawprepare_params_t *)self->params;
for(int i = 0; i < 4; i++)
{
dt_bauhaus_slider_set_soft(g->black_level_separate[i], p->raw_black_level_separate[i]);
dt_bauhaus_slider_set_default(g->black_level_separate[i], p->raw_black_level_separate[i]);
}
dt_bauhaus_slider_set_soft(g->white_point, p->raw_white_point);
dt_bauhaus_slider_set_default(g->white_point, p->raw_white_point);
if(dt_conf_get_bool("plugins/darkroom/rawprepare/allow_editing_crop"))
{
for(int i = 0; i < 4; i++)
{
dt_bauhaus_slider_set_soft(g->crop[i], p->crop.array[i]);
dt_bauhaus_slider_set_default(g->crop[i], p->crop.array[i]);
}
}
if(self->default_enabled)
{
gtk_widget_show(g->box_raw);
gtk_widget_hide(g->label_non_raw);
}
else
{
gtk_widget_hide(g->box_raw);
gtk_widget_show(g->label_non_raw);
}
}
void reload_defaults(dt_iop_module_t *module)
{
// raw images need wb (to convert from uint16_t to float):
if(dt_image_is_raw(&module->dev->image_storage))
{
module->default_enabled = 1;
module->hide_enable_button = 1;
}
else module->default_enabled = 0;
dt_iop_temperature_params_t tmp = (dt_iop_temperature_params_t)
{
5000.0, {1.0, 1.0, 1.0}
};
// get white balance coefficients, as shot
char filename[DT_MAX_PATH_LEN];
int ret=0;
/* check if file is raw / hdr */
if(dt_image_is_raw(&module->dev->image_storage))
{
gboolean from_cache = TRUE;
dt_image_full_path(module->dev->image_storage.id, filename, DT_MAX_PATH_LEN, &from_cache);
libraw_data_t *raw = libraw_init(0);
ret = libraw_open_file(raw, filename);
if(!ret)
{
module->default_enabled = 1;
for(int k=0; k<3; k++) tmp.coeffs[k] = raw->color.cam_mul[k];
if(tmp.coeffs[0] <= 0.0)
{
for(int k=0; k<3; k++) tmp.coeffs[k] = raw->color.pre_mul[k];
}
if(tmp.coeffs[0] == 0 || tmp.coeffs[1] == 0 || tmp.coeffs[2] == 0)
{
// could not get useful info, try presets:
char makermodel[1024];
char *model = makermodel;
dt_colorspaces_get_makermodel_split(makermodel, 1024, &model,
module->dev->image_storage.exif_maker,
module->dev->image_storage.exif_model);
for(int i=0; i<wb_preset_count; i++)
{
if(!strcmp(wb_preset[i].make, makermodel) &&
!strcmp(wb_preset[i].model, model))
{
// just take the first preset we find for this camera
for(int k=0; k<3; k++) tmp.coeffs[k] = wb_preset[i].channel[k];
break;
}
}
if(tmp.coeffs[0] == 0 || tmp.coeffs[1] == 0 || tmp.coeffs[2] == 0)
{
// final security net: hardcoded default that fits most cams.
tmp.coeffs[0] = 2.0f;
tmp.coeffs[1] = 1.0f;
tmp.coeffs[2] = 1.5f;
}
}
else
{
tmp.coeffs[0] /= tmp.coeffs[1];
tmp.coeffs[2] /= tmp.coeffs[1];
tmp.coeffs[1] = 1.0f;
}
// remember daylight wb used for temperature/tint conversion,
// assuming it corresponds to CIE daylight (D65)
if(module->gui_data)
{
dt_iop_temperature_gui_data_t *g = (dt_iop_temperature_gui_data_t *)module->gui_data;
for(int c = 0; c < 3; c++)
g->daylight_wb[c] = raw->color.pre_mul[c];
if(g->daylight_wb[0] == 1.0f &&
g->daylight_wb[1] == 1.0f &&
g->daylight_wb[2] == 1.0f)
{
// if we didn't find anything for daylight wb, look for a wb preset with appropriate name.
// we're normalising that to be D65
char makermodel[1024];
char *model = makermodel;
dt_colorspaces_get_makermodel_split(makermodel, 1024, &model,
module->dev->image_storage.exif_maker,
module->dev->image_storage.exif_model);
for(int i=0; i<wb_preset_count; i++)
{
if(!strcmp(wb_preset[i].make, makermodel) &&
!strcmp(wb_preset[i].model, model) &&
!strncasecmp(wb_preset[i].name, "daylight", 8))
{
for(int k=0; k<3; k++)
g->daylight_wb[k] = wb_preset[i].channel[k];
break;
}
}
}
float temp, tint, mul[3];
for(int k=0; k<3; k++) mul[k] = g->daylight_wb[k]/tmp.coeffs[k];
convert_rgb_to_k(mul, &temp, &tint);
dt_bauhaus_slider_set_default(g->scale_k, temp);
dt_bauhaus_slider_set_default(g->scale_tint, tint);
}
}
libraw_close(raw);
}
memcpy(module->params, &tmp, sizeof(dt_iop_temperature_params_t));
memcpy(module->default_params, &tmp, sizeof(dt_iop_temperature_params_t));
}
