void layerObj_destroy(layerObj *self) {
/* if the layer has a parent_map, let's the map object destroy it */
if ((self->map == NULL) && (self->refcount == 1)) {
/* if there is no other PHP Object that use this C layer object, delete it */
freeLayer(self);
free(self);
self = NULL;
} else
{
MS_REFCNT_DECR(self);
}
return;
}
layerObj *msRemoveLayer(mapObj *map, int nIndex)
{
int i;
int order_index;
layerObj *layer;
if (nIndex < 0 || nIndex >= map->numlayers) {
msSetError(MS_CHILDERR, "Cannot remove Layer, invalid index %d",
"msRemoveLayer()", nIndex);
return NULL;
}
else {
layer=GET_LAYER(map, nIndex);
/* msCopyLayer(layer, (GET_LAYER(map, nIndex))); */
/* Iteratively copy the higher index layers down one index */
for (i=nIndex; i<map->numlayers-1; i++) {
/* freeLayer((GET_LAYER(map, i))); */
/* initLayer((GET_LAYER(map, i)), map); */
/* msCopyLayer(GET_LAYER(map, i), GET_LAYER(map, i+1)); */
GET_LAYER(map, i)=GET_LAYER(map, i+1);
GET_LAYER(map, i)->index = i;
}
/* Free the extra layer at the end */
/* freeLayer((GET_LAYER(map, map->numlayers-1))); */
GET_LAYER(map, map->numlayers-1)=NULL;
/* Adjust drawing order */
order_index = 0;
for (i=0; i<map->numlayers; i++) {
if (map->layerorder[i] > nIndex) map->layerorder[i]--;
if (map->layerorder[i] == nIndex) {
order_index = i;
break;
}
}
for (i=order_index; i<map->numlayers-1; i++) {
map->layerorder[i] = map->layerorder[i+1];
if (map->layerorder[i] > nIndex) map->layerorder[i]--;
}
/* decrement number of layers and return copy of removed layer */
map->numlayers--;
layer->map=NULL;
MS_REFCNT_DECR(layer);
return layer;
}
}
styleObj *msRemoveLabelStyle(labelObj *label, int nStyleIndex)
{
int i;
styleObj *style;
if (nStyleIndex < 0 || nStyleIndex >= label->numstyles) {
msSetError(MS_CHILDERR, "Cannot remove style, invalid nStyleIndex %d", "removeLabelStyle()", nStyleIndex);
return NULL;
} else {
style=label->styles[nStyleIndex];
for (i=nStyleIndex; i<label->numstyles-1; i++) {
label->styles[i]=label->styles[i+1];
}
label->styles[label->numstyles-1]=NULL;
label->numstyles--;
MS_REFCNT_DECR(style);
return style;
}
}
symbolObj *msRemoveSymbol(symbolSetObj *symbolset, int nSymbolIndex)
{
int i;
symbolObj *symbol;
if (symbolset->numsymbols == 1) {
msSetError(MS_CHILDERR, "Cannot remove a symbolset's sole symbol", "removeSymbol()");
return NULL;
} else if (nSymbolIndex < 0 || nSymbolIndex >= symbolset->numsymbols) {
msSetError(MS_CHILDERR, "Cannot remove symbol, invalid nSymbolIndex %d", "removeSymbol()", nSymbolIndex);
return NULL;
} else {
symbol=symbolset->symbol[nSymbolIndex];
for (i=nSymbolIndex+1; i<symbolset->numsymbols; i++) {
symbolset->symbol[i-1] = symbolset->symbol[i];
}
symbolset->symbol[i-1]=NULL;
symbolset->numsymbols--;
MS_REFCNT_DECR(symbol);
return symbol;
}
}
