/**
* Creates a master shape of the letter.
*
* @param shape
* @return the master shape
*/
private final Master createMaster(RenderContext ctx, Shape shape, double ascent) {
final Area area = new Area(shape);
final double scale = MASTER_HEIGHT / ascent;
area.transform(AffineTransform.getScaleInstance(scale, scale));
final Rectangle bounds = area.getBounds();
// System.out.println("createMaster bounds " + bounds);
// area.transform(AffineTransform.getTranslateInstance(-bounds.getMinX(),
// -bounds.getMinY()));
// bounds = area.getBounds();
final int minX = (int) (bounds.getMinX() - 0.5);
final int maxX = (int) (bounds.getMaxX() + 0.5);
final int minY = (int) (bounds.getMinY() - 0.5);
final int maxY = (int) (bounds.getMaxY() + 0.5);
final int width = maxX - minX;
final int height = maxY - minY;
BitSet bits = (BitSet) ctx.getObject(BITS_NAME);
if (bits == null) {
bits = new BitSet(width * height);
ctx.setObject(BITS_NAME, bits);
} else {
bits.clear();
}
int ofs = 0;
for (int y = maxY; y > minY; y--) {
for (int x = minX; x < maxX; x++) {
if (area.contains(x, y)) {
bits.set(ofs);
}
ofs++;
}
}
return new Master(bits, width, height, minX, minY);
}
