Beispiel #1
0
func drawsq(b draw.Image, p draw.Point, ptx int) {
	var r draw.Rectangle
	r.Min = p
	r.Max.X = r.Min.X + pcsz
	r.Max.Y = r.Min.Y + pcsz
	draw.Draw(b, r, draw.Black, nil, draw.ZP)
	draw.Draw(b, r.Inset(1), txpix[ptx], nil, draw.ZP)
}
Beispiel #2
0
func setpiece(p *Piece) {
	draw.Draw(bb, bbr, draw.White, nil, draw.ZP)
	draw.Draw(bbmask, bbr, draw.Transparent, nil, draw.ZP)
	br = draw.Rect(0, 0, 0, 0)
	br2 = br
	piece = p
	if p == nil {
		return
	}
	var op draw.Point
	var r draw.Rectangle
	r.Min = bbr.Min
	for i, pt := range p.d {
		r.Min.X += pt.X * pcsz
		r.Min.Y += pt.Y * pcsz
		r.Max.X = r.Min.X + pcsz
		r.Max.Y = r.Min.Y + pcsz
		if i == 0 {
			draw.Draw(bb, r, draw.Black, nil, draw.ZP)
			draw.Draw(bb, r.Inset(1), txpix[piece.tx], nil, draw.ZP)
			draw.Draw(bbmask, r, draw.Opaque, nil, draw.ZP)
			op = r.Min
		} else {
			draw.Draw(bb, r, bb, nil, op)
			draw.Draw(bbmask, r, bbmask, nil, op)
		}
		if br.Max.X < r.Max.X {
			br.Max.X = r.Max.X
		}
		if br.Max.Y < r.Max.Y {
			br.Max.Y = r.Max.Y
		}
	}
	br.Max = br.Max.Sub(bbr.Min)
	delta := draw.Pt(0, DY)
	br2.Max = br.Max.Add(delta)
	r = br.Add(bb2r.Min)
	r2 := br2.Add(bb2r.Min)
	draw.Draw(bb2, r2, draw.White, nil, draw.ZP)
	draw.Draw(bb2, r.Add(delta), bb, nil, bbr.Min)
	draw.Draw(bb2mask, r2, draw.Transparent, nil, draw.ZP)
	draw.Draw(bb2mask, r, draw.Opaque, bbmask, bbr.Min)
	draw.Draw(bb2mask, r.Add(delta), draw.Opaque, bbmask, bbr.Min)
}