static void deflicker_histogram_source_callback(GtkWidget *combo, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
if(self->dt->gui->reset) return;
if(!dt_image_is_raw(&self->dev->image_storage)) return;
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
dt_iop_exposure_params_t *p = (dt_iop_exposure_params_t *)self->params;
const dt_iop_exposure_deflicker_histogram_source_t new_mode
= GPOINTER_TO_UINT(g_list_nth_data(g->deflicker_histogram_sources, dt_bauhaus_combobox_get(combo)));
switch(new_mode)
{
case DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE:
p->deflicker_histogram_source = DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE;
deflicker_prepare_histogram(self, &g->deflicker_histogram, &g->deflicker_histogram_stats);
break;
case DEFLICKER_HISTOGRAM_SOURCE_THUMBNAIL:
default:
p->deflicker_histogram_source = DEFLICKER_HISTOGRAM_SOURCE_THUMBNAIL;
free(g->deflicker_histogram);
g->deflicker_histogram = NULL;
break;
}
dt_dev_add_history_item(darktable.develop, self, TRUE);
}
void gui_update(struct dt_iop_module_t *self)
{
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
dt_iop_exposure_params_t *p = (dt_iop_exposure_params_t *)self->params;
if(!dt_image_is_raw(&self->dev->image_storage))
{
gtk_widget_hide(GTK_WIDGET(g->mode));
p->mode = EXPOSURE_MODE_MANUAL;
dt_dev_add_history_item(darktable.develop, self, TRUE);
} else
{
gtk_widget_show(GTK_WIDGET(g->mode));
}
dt_bauhaus_combobox_set(g->mode, g_list_index(g->modes, GUINT_TO_POINTER(p->mode)));
dt_bauhaus_slider_set(g->black, p->black);
dt_bauhaus_slider_set_soft(g->exposure, p->exposure);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(g->autoexp), FALSE);
dt_bauhaus_slider_set(g->autoexpp, 0.01);
gtk_widget_set_sensitive(GTK_WIDGET(g->autoexpp), FALSE);
dt_bauhaus_slider_set(g->deflicker_percentile, p->deflicker_percentile);
dt_bauhaus_slider_set(g->deflicker_target_level, p->deflicker_target_level);
dt_bauhaus_combobox_set(g->deflicker_histogram_source, g_list_index(g->deflicker_histogram_sources, GUINT_TO_POINTER(p->deflicker_histogram_source)));
self->request_color_pick = DT_REQUEST_COLORPICK_OFF;
free(g->deflicker_histogram);
g->deflicker_histogram = NULL;
g->reprocess_on_next_expose = FALSE;
gtk_label_set_text(g->deflicker_used_EC, "");
g->deflicker_computed_exposure = NAN;
switch(p->mode)
{
case EXPOSURE_MODE_DEFLICKER:
autoexp_disable(self);
gtk_widget_hide(GTK_WIDGET(g->vbox_manual));
gtk_widget_show(GTK_WIDGET(g->vbox_deflicker));
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE)
deflicker_prepare_histogram(self, &g->deflicker_histogram,
&g->deflicker_histogram_stats);
break;
case EXPOSURE_MODE_MANUAL:
default:
gtk_widget_hide(GTK_WIDGET(g->vbox_deflicker));
gtk_widget_show(GTK_WIDGET(g->vbox_manual));
break;
}
}
static void
mode_callback(GtkWidget *combo, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
if(darktable.gui->reset) return;
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
dt_iop_exposure_params_t *p = (dt_iop_exposure_params_t *)self->params;
const dt_iop_exposure_mode_t new_mode = GPOINTER_TO_UINT(g_list_nth_data(g->modes, dt_bauhaus_combobox_get(combo)));
free(g->deflicker_histogram);
g->deflicker_histogram = NULL;
switch(new_mode)
{
case EXPOSURE_MODE_DEFLICKER:
autoexp_disable(self);
if(!dt_image_is_raw(&self->dev->image_storage))
{
dt_bauhaus_combobox_set(g->mode, g_list_index(g->modes, GUINT_TO_POINTER(EXPOSURE_MODE_MANUAL)));
gtk_widget_hide(GTK_WIDGET(g->mode));
break;
}
p->mode = EXPOSURE_MODE_DEFLICKER;
gtk_widget_hide(GTK_WIDGET(g->vbox_manual));
gtk_widget_show(GTK_WIDGET(g->vbox_deflicker));
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE)
deflicker_prepare_histogram(self, &g->deflicker_histogram,
&g->deflicker_histogram_stats);
break;
case EXPOSURE_MODE_MANUAL:
default:
p->mode = EXPOSURE_MODE_MANUAL;
gtk_widget_hide(GTK_WIDGET(g->vbox_deflicker));
gtk_widget_show(GTK_WIDGET(g->vbox_manual));
break;
}
dt_dev_add_history_item(darktable.develop, self, TRUE);
}
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_exposure_params_t *p = (dt_iop_exposure_params_t *)p1;
dt_iop_exposure_data_t *d = (dt_iop_exposure_data_t *)piece->data;
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
d->black = p->black;
d->exposure = p->exposure;
piece->request_histogram &= ~(DT_REQUEST_ON);
piece->request_histogram |= (DT_REQUEST_ONLY_IN_GUI);
d->deflicker_percentile = p->deflicker_percentile;
d->deflicker_target_level = p->deflicker_target_level;
if(p->mode == EXPOSURE_MODE_DEFLICKER && dt_image_is_raw(&self->dev->image_storage))
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE)
{
if(g)
{
// histogram is precomputed and cached
compute_correction(self, piece, g->deflicker_histogram, &g->deflicker_histogram_stats, &d->exposure);
}
else
{
uint32_t *histogram = NULL;
dt_dev_histogram_stats_t histogram_stats;
deflicker_prepare_histogram(self, &histogram, &histogram_stats);
compute_correction(self, piece, histogram, &histogram_stats, &d->exposure);
free(histogram);
}
d->mode = EXPOSURE_MODE_MANUAL;
}
else
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_THUMBNAIL)
{
d->mode = EXPOSURE_MODE_DEFLICKER;
piece->request_histogram |= (DT_REQUEST_ON);
if(!self->dev->gui_attached) piece->request_histogram &= ~(DT_REQUEST_ONLY_IN_GUI);
piece->histogram_params.bins_count = 16384;
/*
* in principle, we do not need/want histogram in FULL pipe
* because we will use histogram from preview pipe there,
* but it might happen that for some reasons we do not have
* histogram of preview pipe yet - e.g. on first pipe run
* (just after setting mode to automatic)
*/
d->exposure = NAN;
// commit_params_late() will compute exposure later
}
}
}
else
{
d->mode = EXPOSURE_MODE_MANUAL;
}
}
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_exposure_params_t *p = (dt_iop_exposure_params_t *)p1;
dt_iop_exposure_data_t *d = (dt_iop_exposure_data_t *)piece->data;
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
d->black = p->black;
d->exposure = p->exposure;
self->request_histogram &= ~(DT_REQUEST_ON);
self->request_histogram |= (DT_REQUEST_ONLY_IN_GUI);
self->request_histogram_source = (DT_DEV_PIXELPIPE_PREVIEW);
if(self->dev->gui_attached)
{
g->reprocess_on_next_expose = FALSE;
}
gboolean histogram_is_good = ((self->histogram_stats.bins_count == 16384)
&& (self->histogram != NULL));
d->deflicker_percentile = p->deflicker_percentile;
d->deflicker_target_level = p->deflicker_target_level;
if(p->mode == EXPOSURE_MODE_DEFLICKER && dt_image_is_raw(&self->dev->image_storage))
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE)
{
if(self->dev->gui_attached)
{
// histogram is precomputed and cached
compute_correction(self, piece, g->deflicker_histogram, &g->deflicker_histogram_stats, &d->exposure);
}
else
{
uint32_t *histogram = NULL;
dt_dev_histogram_stats_t histogram_stats;
deflicker_prepare_histogram(self, &histogram, &histogram_stats);
compute_correction(self, piece, histogram, &histogram_stats, &d->exposure);
free(histogram);
}
d->mode = EXPOSURE_MODE_MANUAL;
}
else
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_THUMBNAIL)
{
self->request_histogram |= (DT_REQUEST_ON);
gboolean failed = !histogram_is_good;
if(self->dev->gui_attached && histogram_is_good)
{
/*
* if in GUI, user might zoomed main view => we would get histogram of
* only part of image, so if in GUI we must always use histogram of
* preview pipe, which is always full-size and have biggest size
*/
d->mode = EXPOSURE_MODE_DEFLICKER;
commit_params_late(self, piece);
d->mode = EXPOSURE_MODE_MANUAL;
if(isnan(d->exposure))
failed = TRUE;
}
else if(failed || !(self->dev->gui_attached && histogram_is_good))
{
d->mode = EXPOSURE_MODE_DEFLICKER;
//commit_params_late() will compute correct d->exposure later
self->request_histogram &= ~(DT_REQUEST_ONLY_IN_GUI);
self->request_histogram_source = (DT_DEV_PIXELPIPE_ANY);
if(failed && self->dev->gui_attached)
{
/*
* but sadly we do not yet have a histogram to do so, so this time
* we process asif not in gui, and in expose() immediately
* reprocess, thus everything works as expected
*/
g->reprocess_on_next_expose = TRUE;
}
}
}
}
}
else
{
d->mode = EXPOSURE_MODE_MANUAL;
}
}
