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bounded rotate works, ish

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This commit is contained in:
Will Charczuk 2016-09-05 14:03:20 -07:00
parent 8f56e5939b
commit a1835a532d
7 changed files with 60 additions and 27 deletions
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16
draw.go
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@ -219,6 +219,22 @@ func (d draw) Box(r Renderer, b Box, s Style) {
r.FillStroke()
}
func (d draw) BoxRotated(r Renderer, b Box, thetaRadians float64, s Style) {
s.WriteToRenderer(r)
cx, cy := b.Center()
ltx, lty := Math.RotateCoordinate(cx, cy, b.Left, b.Top, thetaRadians)
lbx, lby := Math.RotateCoordinate(cx, cy, b.Left, b.Bottom, thetaRadians)
rtx, rty := Math.RotateCoordinate(cx, cy, b.Right, b.Top, thetaRadians)
rbx, rby := Math.RotateCoordinate(cx, cy, b.Right, b.Bottom, thetaRadians)
r.MoveTo(ltx, lty)
r.LineTo(rtx, rty)
r.LineTo(rbx, rby)
r.LineTo(lbx, lby)
r.Close()
r.FillStroke()
}
// DrawText draws text with a given style.
func (d draw) Text(r Renderer, text string, x, y int, style Style) {
style.GetTextOptions().WriteToRenderer(r)