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feat: support make point and make line

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This commit is contained in:
vicanso 2022-02-10 23:24:30 +08:00
parent fd05250305
commit e558634dda
16 changed files with 308 additions and 51 deletions
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20
draw.go
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@ -161,7 +161,9 @@ func (d *Draw) pin(x, y, width int) {
delta := 2*math.Pi - 2*angle
d.arcTo(x, y, r, r, startAngle, delta)
d.lineTo(x, y)
d.Render.Fill()
d.Render.Close()
d.Render.FillStroke()
startX := x - int(r)
startY := y
endX := x + int(r)
@ -173,7 +175,8 @@ func (d *Draw) pin(x, y, width int) {
cx := x
cy := y + int(r*2.5)
d.Render.QuadCurveTo(cx+left, cy+top, endX+left, endY+top)
d.Render.Stroke()
d.Render.Close()
d.Render.Fill()
}
func (d *Draw) arrowLeft(x, y, width, height int) {
@ -226,7 +229,20 @@ func (d *Draw) arrow(x, y, width, height int, direction string) {
d.lineTo(x0+dx, y0+halfHeight)
d.lineTo(x0, y0)
}
d.Render.FillStroke()
}
func (d *Draw) makeLine(x, y, width int) {
arrowWidth := 16
arrowHeight := 10
endX := x + width
d.circle(3, x, y)
d.Render.Fill()
d.moveTo(x+5, y)
d.lineTo(endX-arrowWidth, y)
d.Render.Stroke()
d.Render.SetStrokeDashArray([]float64{})
d.arrowRight(endX, y, arrowWidth, arrowHeight)
}
func (d *Draw) circle(radius float64, x, y int) {