diff options
Diffstat (limited to 'fpdf.go')
| -rw-r--r-- | fpdf.go | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -798,6 +798,31 @@ func (f *Fpdf) Ellipse(x, y, rx, ry, degRotate float64, styleStr string) { f.Arc(x, y, rx, ry, degRotate, 0, 360, styleStr) } +// Polygon draws a closed figure defined by a series of vertices specified by +// points. The x and y fields of the points use the units established in New(). +// The last point in the slice will be implicitly joined to the first to close +// the polygon. +// +// styleStr can be "F" for filled, "D" for outlined only, or "DF" or "FD" for +// outlined and filled. An empty string will be replaced with "D". Drawing uses +// the current draw color and line width centered on the ellipse's perimeter. +// Filling uses the current fill color. +// +// See tutorial 25 for an example of this function. +func (f *Fpdf) Polygon(points []PointType, styleStr string) { + if len(points) > 2 { + for j, pt := range points { + if j == 0 { + f.point(pt.X, pt.Y) + } else { + f.outf("%.5f %.5f l ", pt.X*f.k, (f.h-pt.Y)*f.k) + } + } + f.outf("%.5f %.5f l ", points[0].X*f.k, (f.h-points[0].Y)*f.k) + f.outf(fillDrawOp(styleStr)) + } +} + // Outputs current point func (f *Fpdf) point(x, y float64) { f.outf("%.2f %.2f m", x*f.k, (f.h-y)*f.k) |