void
gv_shapes_replace_shapes(GvShapes *shapes, gint num_shapes, gint *shape_id,
GvShape **shps, int make_copy)
{
gint i;
GvShapeChangeInfo change_info = {GV_CHANGE_REPLACE, 0, NULL};
change_info.num_shapes = num_shapes;
change_info.shape_id = shape_id;
gv_data_changing(GV_DATA(shapes), &change_info);
for (i=0; i < num_shapes; ++i)
{
GvShape *shape;
if( shape_id[i] < 0 || shape_id[i] >= shapes->shapes->len )
continue;
else if( gv_shapes_get_shape(shapes, shape_id[i]) != NULL )
gv_shape_unref( gv_shapes_get_shape(shapes, shape_id[i]) );
else
g_warning( "Missing shape in gv_shapes_replace_shapes()" );
if( make_copy )
shape = gv_shape_copy(shps[i]);
else
shape = shps[i];
gv_shape_ref( shape );
g_ptr_array_index(shapes->shapes, shape_id[i]) = shape;
}
gv_data_changed(GV_DATA(shapes), &change_info);
}
/* same as gv_shape_add_shape but do not fill the holes, always append shape at the end*/
gint
gv_shapes_add_shape_last(GvShapes *shapes, GvShape *new_shape)
{
int shape_id;
GvShapeChangeInfo change_info = {GV_CHANGE_ADD, 1, NULL};
shape_id = shapes->shapes->len;
/* Make notification of impending change */
change_info.shape_id = &shape_id;
gv_data_changing(GV_DATA(shapes), &change_info);
/* apply update */
if( shape_id == shapes->shapes->len )
g_ptr_array_add(shapes->shapes, new_shape );
else
g_ptr_array_index(shapes->shapes, shape_id) = new_shape;
gv_shape_ref( new_shape );
shapes->actual_num_shapes++;
/* notify of completed change */
gv_data_changed(GV_DATA(shapes), &change_info);
return shape_id;
}
static void
gv_shapes_insert_shapes(GvShapes *shapes, gint num_shapes, gint *shape_ids,
GvShape **shps)
{
gint i;
GvShapeChangeInfo change_info = {GV_CHANGE_ADD, 0, NULL};
change_info.num_shapes = num_shapes;
change_info.shape_id = shape_ids;
gv_data_changing(GV_DATA(shapes), &change_info);
for (i=0; i < num_shapes; ++i)
{
int id = shape_ids[i];
if( id >= shapes->shapes->len )
{
int old_length = shapes->shapes->len;
g_ptr_array_set_size( shapes->shapes, id+1 );
while( old_length < id )
{
g_ptr_array_index(shapes->shapes, old_length) = NULL;
old_length++;
}
gv_shape_ref( shps[i] );
g_ptr_array_index( shapes->shapes, id ) = shps[i];
shapes->actual_num_shapes++;
}
else if( g_ptr_array_index( shapes->shapes, id ) == NULL )
{
gv_shape_ref( shps[i] );
g_ptr_array_index( shapes->shapes, id ) = shps[i];
shapes->actual_num_shapes++;
}
else
{
g_warning( "gv_shapes_insert_shapes(): target shape_id not NULL!");
}
}
gv_data_changed(GV_DATA(shapes), &change_info);
}
static void
gv_shapes_get_memento(GvData *gv_data, gpointer data,
GvDataMemento **memento)
{
GvShapes *shapes = GV_SHAPES(gv_data);
GvShapesMemento *mem;
GvShapeChangeInfo *info = (GvShapeChangeInfo *) data;
int i;
mem = g_new(GvShapesMemento, 1);
mem->base.data = GV_DATA(shapes);
mem->base.type = info->change_type;
mem->ids = g_array_new(FALSE, FALSE, sizeof(gint));
g_array_append_vals(mem->ids, info->shape_id, info->num_shapes);
/* Grab in ascending order */
if (info->num_shapes > 1)
{
g_sort_type(mem->ids->data, gint, mem->ids->len);
}
if (info->change_type == GV_CHANGE_ADD)
{
mem->shapes = NULL;
}
else
{
mem->shapes = g_ptr_array_new();
for (i=0; i < info->num_shapes; ++i)
{
GvShape *shape = gv_shapes_get_shape(shapes,info->shape_id[i]);
shape = gv_shape_copy( shape );
gv_shape_ref( shape );
g_ptr_array_add(mem->shapes, shape );
}
}
*memento = (GvDataMemento*)mem;
}
void gv_symbol_manager_inject_vector_symbol( GvSymbolManager *manager,
const char *symbol_name,
GvShape *shape )
{
GvSymbolObj *symbol;
/* allocate a new symbol object */
symbol = g_new0( GvSymbolObj, 1 );
symbol->type = GV_SYMBOL_VECTOR;
/* take a reference to the shape */
symbol->buffer = shape;
gv_shape_ref( shape );
/* insert new symbol into symbol manager */
g_hash_table_insert( manager->symbol_cache, g_strdup(symbol_name), symbol );
CPLDebug("OpenEV", "inject_vector_symbol(%s)", symbol_name );
}
gint
gv_shapes_add_shape(GvShapes *shapes, GvShape *new_shape)
{
int shape_id;
GvShapeChangeInfo change_info = {GV_CHANGE_ADD, 1, NULL};
/* Identify where to put it, reuse old holes if available */
if( shapes->shapes->len != shapes->actual_num_shapes )
{
for( shape_id=0; shape_id < shapes->shapes->len; shape_id++ )
{
if( g_ptr_array_index(shapes->shapes, shape_id) == NULL )
break;
}
}
else
{
shape_id = shapes->shapes->len;
}
/* Make notification of impending change */
change_info.shape_id = &shape_id;
gv_data_changing(GV_DATA(shapes), &change_info);
/* apply update */
if( shape_id == shapes->shapes->len )
g_ptr_array_add(shapes->shapes, new_shape );
else
g_ptr_array_index(shapes->shapes, shape_id) = new_shape;
gv_shape_ref( new_shape );
shapes->actual_num_shapes++;
/* notify of completed change */
gv_data_changed(GV_DATA(shapes), &change_info);
return shape_id;
}
