private long defaultCol;
private byte defaultMode;
public ImagePainter(int width, int height, long backgroundColor) {
this.width = width;
this.height = height;
<BUG>this.defaultCol = BLACK;
</BUG>
this.defaultMode = MODE_REPLACE;
grid = new long[width*height];
for (int n= width * height - 1; n >= 0; n--) grid[n] = backgroundColor;

private long defaultCol;
private byte defaultMode;
public ImagePainter(int width, int height, long backgroundColor) {
this.width = width;
this.height = height;
this.defaultCol = ADDITIVE_BLACK;
this.defaultMode = MODE_REPLACE;
grid = new long[width*height];
for (int n= width * height - 1; n >= 0; n--) grid[n] = backgroundColor;
