ArrowDecorator.java 文件源码

private void drawOriginDiagDecreasingRight(ChessSquare square,
        Color color, int width, GC gc) {
    int squareSide = square.getSize().x;

    Transform tr = new Transform(gc.getDevice());
    tr.translate(squareSide / 2.0F, squareSide / 2.0F);
    gc.setTransform(tr);
    tr.rotate(45);
    gc.setTransform(tr);

    gc.setBackground(color);
    gc.fillPolygon(getOriginDiagPolygon(squareSide, width));

    tr.dispose();
    gc.setTransform(null);
}