/* Delete selected grease-pencil layers */
void delete_gpencil_layers (void)
{
ListBase act_data = {NULL, NULL};
bActListElem *ale, *next;
void *data;
short datatype;
int filter;
/* determine what type of data we are operating on */
data = get_action_context(&datatype);
if (data == NULL) return;
if (datatype != ACTCONT_GPENCIL) return;
/* filter data */
filter= (ACTFILTER_VISIBLE | ACTFILTER_FOREDIT | ACTFILTER_CHANNELS | ACTFILTER_SEL);
actdata_filter(&act_data, filter, data, datatype);
/* clean up grease-pencil layers */
for (ale= act_data.first; ale; ale= next) {
bGPdata *gpd= (bGPdata *)ale->owner;
bGPDlayer *gpl= (bGPDlayer *)ale->data;
next= ale->next;
/* free layer and its data */
if (SEL_GPL(gpl)) {
free_gpencil_frames(gpl);
BLI_freelinkN(&gpd->layers, gpl);
}
/* free temp memory */
BLI_freelinkN(&act_data, ale);
}
BIF_undo_push("Delete GPencil Layers");
}
/* delete the active gp-layer */
void gpencil_layer_delete(bGPdata *gpd, bGPDlayer *gpl)
{
/* error checking */
if (ELEM(NULL, gpd, gpl))
return;
/* free layer */
free_gpencil_frames(gpl);
BLI_freelinkN(&gpd->layers, gpl);
}
/* Free all of the gp-layers for a viewport (list should be &gpd->layers or so) */
void free_gpencil_layers(ListBase *list)
{
bGPDlayer *gpl, *gpln;
/* error checking */
if (list == NULL) return;
/* delete layers */
for (gpl = list->first; gpl; gpl = gpln) {
gpln = gpl->next;
/* free layers and their data */
free_gpencil_frames(gpl);
BLI_freelinkN(list, gpl);
}
}
static void rna_GPencil_layer_clear(bGPDlayer *layer)
{
free_gpencil_frames(layer);
WM_main_add_notifier(NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
}
