fix wrong git ignore

internal/pdf/contentstream/draw/path.go

@@ -0,0 +1,98 @@
+package draw
+
+// A path consists of straight line connections between each point defined in an array of points.
+type Path struct {
+	Points []Point
+}
+
+func NewPath() Path {
+	path := Path{}
+	path.Points = []Point{}
+	return path
+}
+
+func (this Path) AppendPoint(point Point) Path {
+	this.Points = append(this.Points, point)
+	return this
+}
+
+func (this Path) RemovePoint(number int) Path {
+	if number < 1 || number > len(this.Points) {
+		return this
+	}
+
+	idx := number - 1
+	this.Points = append(this.Points[:idx], this.Points[idx+1:]...)
+	return this
+}
+
+func (this Path) Length() int {
+	return len(this.Points)
+}
+
+func (this Path) GetPointNumber(number int) Point {
+	if number < 1 || number > len(this.Points) {
+		return Point{}
+	}
+	return this.Points[number-1]
+}
+
+func (path Path) Copy() Path {
+	pathcopy := Path{}
+	pathcopy.Points = []Point{}
+	for _, p := range path.Points {
+		pathcopy.Points = append(pathcopy.Points, p)
+	}
+	return pathcopy
+}
+
+func (path Path) Offset(offX, offY float64) Path {
+	for i, p := range path.Points {
+		path.Points[i] = p.Add(offX, offY)
+	}
+	return path
+}
+
+func (path Path) GetBoundingBox() BoundingBox {
+	bbox := BoundingBox{}
+
+	minX := 0.0
+	maxX := 0.0
+	minY := 0.0
+	maxY := 0.0
+	for idx, p := range path.Points {
+		if idx == 0 {
+			minX = p.X
+			maxX = p.X
+			minY = p.Y
+			maxY = p.Y
+			continue
+		}
+
+		if p.X < minX {
+			minX = p.X
+		}
+		if p.X > maxX {
+			maxX = p.X
+		}
+		if p.Y < minY {
+			minY = p.Y
+		}
+		if p.Y > maxY {
+			maxY = p.Y
+		}
+	}
+
+	bbox.X = minX
+	bbox.Y = minY
+	bbox.Width = maxX - minX
+	bbox.Height = maxY - minY
+	return bbox
+}
+
+type BoundingBox struct {
+	X      float64
+	Y      float64
+	Width  float64
+	Height float64
+}