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#include <string.h>
#include <bsd/sys/queue.h>
#include <SDL.h>
#include "osc_graphics.h"
#include "layer.h"
void
LayerList::insert(int pos, Layer *layer)
{
Layer *cur, **prev;
lock();
SLIST_FOREACH_PREVPTR(cur, prev, &head, layers)
if (!pos--)
break;
SLIST_NEXT(layer, layers) = cur;
*prev = layer;
unlock();
}
bool
LayerList::delete_by_name(const char *name)
{
Layer *cur, **prev;
lock();
SLIST_FOREACH_PREVPTR(cur, prev, &head, layers)
if (!strcmp(cur->name, name)) {
*prev = SLIST_NEXT(cur, layers);
delete cur;
break;
}
unlock();
return cur == NULL;
}
void
LayerList::render(SDL_Surface *target)
{
SDL_FillRect(target, NULL, SDL_MapRGB(target->format, 0, 0, 0));
lock();
Layer *cur;
SLIST_FOREACH(cur, &head, layers) {
cur->lock();
cur->frame(target);
cur->unlock();
}
unlock();
}
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