void PixelMap::setSize(const IntSize &size)
{
u8 **nmap;
if(size != 0)
{
/* Create new map */
nmap = new u8*[size.getHeight()];
for(int y = 0; y < size.getHeight(); y++)
{
int linelength = size.getWidth()%8 == 0 ? size.getWidth()/8 : size.getWidth()/8 + 1;
nmap[y] = new u8[linelength];
memset(nmap[y], 0, sizeof(*nmap[y]) * linelength);
}
/* Copy content */
if(nmap != NULL)
{
for(int y = 0; y < this->size.getHeight() && y < size.getHeight(); y++)
{
for(int x = 0; x < this->size.getWidth() && x < size.getWidth(); x++)
{
if(is_pixel(x, y))
set_pixel_on_map(nmap, x, y, 1);
}
}
}
/* Clear old content */
if(map != NULL)
{
for(int y = 0; y < size.getHeight(); y++)
{
delete map[y];
}
delete map;
}
/* Swap */
map = nmap;
}
else
{
map = NULL;
}
this->size = size;
}
