/**
* Handle eraser event: "Delete Stroke" and "Standard", Whiteout is not handled here
*/
void EraseHandler::erase(double x, double y) {
XOJ_CHECK_TYPE(EraseHandler);
ListIterator<Layer*> it = this->page.layerIterator();
int selected = page.getSelectedLayerId();
this->halfEraserSize = this->handler->getThickness();
GdkRectangle eraserRect = { x - halfEraserSize, y - halfEraserSize, halfEraserSize * 2, halfEraserSize * 2 };
Range * range = new Range(x, y);
while (it.hasNext() && selected) {
Layer * l = it.next();
ListIterator<Element *> eit = l->elementIterator();
eit.freeze();
while (eit.hasNext()) {
Element * e = eit.next();
if (e->getType() == ELEMENT_STROKE && e->intersectsArea(&eraserRect)) {
Stroke * s = (Stroke *) e;
eraseStroke(l, s, x, y, range);
}
}
selected--;
}
this->view->rerenderRange(*range);
delete range;
}
