public void paint()
{
window.clear(false);
color_gc.set_foreground(0xff0000);
color_pixmap.rectangle(color_gc, 0, 0, 1, 1, true);
alpha_gc.set_foreground(0x00);
alpha_pixmap.rectangle(alpha_gc, 0, 0,
window.width, window.height, true);
alpha_gc.set_foreground(0x7f);
alpha_pixmap.rectangle(alpha_gc, 10, 10, 50, 50, true);
render.composite(Render.OVER, color_picture, alpha_picture,
window_picture, 0, 0, 0, 0, 0, 0, window.width, window.height);
color_gc.set_foreground(0x0000ff);
color_pixmap.rectangle(color_gc, 0, 0, 1, 1, true);
alpha_gc.set_foreground(0x00);
alpha_pixmap.rectangle(alpha_gc, 0, 0,
window.width, window.height, true);
alpha_gc.set_foreground(0x7f);
alpha_pixmap.rectangle(alpha_gc, 40, 40, 50, 50, true);
render.composite(Render.OVER, color_picture, alpha_picture,
window_picture, 0, 0, 0, 0, 0, 0, window.width, window.height + 10);
}
public Sprite (float dx, float dy, int color, int width, int height,
Picture.Format pf) {
x = window.width/2;
y = window.height/2;
this.dx = dx;
this.dy = dy;
this.color = color;
this.width = width;
this.height = height;
pixmap = new Pixmap (display.default_root, width, height,
pf.depth ());
picture = render.create_picture (pixmap, pf,
Picture.Attributes.EMPTY);
if (sprite_gc == null)
sprite_gc = new GC (pixmap);
sprite_gc.set_foreground (0);
pixmap.rectangle (sprite_gc, 0, 0, width, height, true);
sprite_gc.set_foreground (color);
pixmap.arc (sprite_gc, 0, 0, width, height, 0, 360*64, true);
for (int i=0; i<8; i++) {
sprite_gc.set_foreground (divide_color (color, 1<<(7-i)));
pixmap.arc (sprite_gc, i, i, width-2*i, height-2*i,
0, 360*64, true);
}
}
public Sprite(float dx, float dy, int color, int width, int height,
Picture.Format pf)
{
x = window.width / 2;
y = window.height / 2;
this.dx = dx;
this.dy = dy;
this.color = color;
this.width = width;
this.height = height;
pixmap = new Pixmap(display.default_root, width, height,
pf.depth());
picture = render.create_picture(pixmap, pf,
Picture.Attributes.EMPTY);
if (sprite_gc == null)
{
sprite_gc = new GC(pixmap);
}
sprite_gc.set_foreground(0);
pixmap.rectangle(sprite_gc, 0, 0, width, height, true);
sprite_gc.set_foreground(color);
pixmap.arc(sprite_gc, 0, 0, width, height, 0, 360 * 64, true);
for (int i = 0; i < 8; i++)
{
sprite_gc.set_foreground(divide_color(color, 1 << (7 - i)));
pixmap.arc(sprite_gc, i, i, width - 2 * i, height - 2 * i,
0, 360 * 64, true);
}
}