static void
saturation_callback(GtkDarktableGradientSlider *slider, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_colorize_params_t *p = (dt_iop_colorize_params_t *)self->params;
dt_iop_colorize_gui_data_t *g = (dt_iop_colorize_gui_data_t *)self->gui_data;
float color[3];
GtkWidget *preview;
// hue = dtgtk_gradient_slider_get_value(g->gslider1);
p->saturation = dtgtk_gradient_slider_get_value(slider);
preview = GTK_WIDGET(g->colorpick1);
/* convert to rgb */
hsl2rgb(color,p->hue,p->saturation,0.5);
GdkColor c;
c.red=color[0]*65535.0;
c.green=color[1]*65535.0;
c.blue=color[2]*65535.0;
/* update preview color */
gtk_widget_modify_fg(preview,GTK_STATE_NORMAL,&c);
if (self->dt->gui->reset) return;
if (dtgtk_gradient_slider_is_dragging(slider)==FALSE)
dt_dev_add_history_item(darktable.develop, self, TRUE);
}
static void
hue_callback(GtkDarktableGradientSlider *slider, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_splittoning_params_t *p = (dt_iop_splittoning_params_t *)self->params;
dt_iop_splittoning_gui_data_t *g = (dt_iop_splittoning_gui_data_t *)self->gui_data;
double hue=0;
double saturation=0;
float color[3];
GtkWidget *preview;
GtkDarktableGradientSlider *sslider=NULL;
if( slider == g->gslider1 )
{
// Shadows
p->shadow_hue=hue=dtgtk_gradient_slider_get_value(slider);
saturation=p->shadow_saturation;
preview=GTK_WIDGET(g->colorpick1);
sslider=g->gslider2;
}
else
{
p->highlight_hue=hue=dtgtk_gradient_slider_get_value(slider);
saturation=p->highlight_saturation;
preview=GTK_WIDGET(g->colorpick2);
sslider=g->gslider4;
}
hsl2rgb(color,hue,saturation,0.5);
GdkColor c;
c.red=color[0]*65535.0;
c.green=color[1]*65535.0;
c.blue=color[2]*65535.0;
dtgtk_gradient_slider_set_stop(sslider,1.0,c); // Update saturation end color
gtk_widget_modify_fg(preview,GTK_STATE_NORMAL,&c); // update color preview
if(self->dt->gui->reset) return;
gtk_widget_draw(GTK_WIDGET(sslider),NULL);
dt_dev_add_history_item(darktable.develop, self, TRUE);
}
static void center_callback(GtkDarktableGradientSlider *slider, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_relight_params_t *p = (dt_iop_relight_params_t *)self->params;
{
p->center = dtgtk_gradient_slider_get_value(slider);
dt_dev_add_history_item(darktable.develop, self, TRUE);
}
}