Function msFreeImage

maputil.c:848–887

* Generic function to free the imageObj */

 * Generic function to free the imageObj
 */
void msFreeImage(imageObj *image)
{
    if (image)
    {
       if(MS_RENDERER_PLUGIN(image->format)) {
          rendererVTableObj *renderer = image->format->vtable;
          tileCacheObj *next,*cur = image->tilecache;
          while(cur) {
             msFreeImage(cur->image);
             next = cur->next;
             free(cur);
             cur = next;
          }
          image->ntiles = 0;
          renderer->freeImage(image);
        } else if( MS_RENDERER_IMAGEMAP(image->format) )
            msFreeImageIM(image);
        else if( MS_RENDERER_RAWDATA(image->format) )
            msFree(image->img.raw_16bit);
        else
            msSetError(MS_MISCERR, "Unknown image type", 
                       "msFreeImage()"); 

        if (image->imagepath)
            free(image->imagepath);
        if (image->imageurl)
            free(image->imageurl);

        if( --image->format->refcount < 1 )
            msFreeOutputFormat( image->format );

        image->imagepath = NULL;
        image->imageurl = NULL;

        msFree( image->img_mask );
        image->img_mask= NULL;

        msFree( image );
    }     
}

/*
** Return an array containing all the layer's index given a group name.