Example #1
0
func (E *Imp) Push(c col.Colour) {
	//
	B := make([]byte, zl())
	a := 0
	copy(B[a:a+8], E.origin.Encode())
	a += 8
	for d := D0; d < NDirs; d++ {
		copy(B[a:a+8], E.vec[d].Encode())
		a += 8
	}
	copy(B[a:a+97], col.Encode(c))
	stack = append(stack, B)
}
Example #2
0
func (f *Imp) Encode() []byte {
	//
	B := make([]byte, f.Codelen())
	a := uint(0)
	B[a] = byte(f.sort)
	a++
	copy(B[a:a+3], col.Encode(f.colour))
	a += 3
	var n uint
	if f.sort < Text {
		n = uint(len(f.x))
	} else {
		n = uint(len(f.tx))
	}
	copy(B[a:a+clz], Encode(n))
	a += clz
	if f.sort < Text {
		for i := uint(0); i < n; i++ {
			copy(B[a:a+clz], Encode(f.x[i]))
			a += clz
			copy(B[a:a+clz], Encode(f.y[i]))
			a += clz
		}
	} else { // Text, Image
		copy(B[a:a+clz], Encode(f.x[0]))
		a += clz
		copy(B[a:a+clz], Encode(f.y[0]))
		a += clz
		if f.sort == Image {
			copy(B[a:a+clz], Encode(f.x[1]))
			a += clz
			copy(B[a:a+clz], Encode(f.y[1]))
			a += clz
		}
		copy(B[a:a+n], []byte(f.tx))
		a += n
	}
	B[a] = 0
	if f.filled {
		B[a]++
	}
	if f.marked {
		B[a] += 2
	}
	return B
}