本文整理汇总了Golang中github.com/llgcode/draw2d.PathBuilder.QuadCurveTo方法的典型用法代码示例。如果您正苦于以下问题:Golang PathBuilder.QuadCurveTo方法的具体用法?Golang PathBuilder.QuadCurveTo怎么用?Golang PathBuilder.QuadCurveTo使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/llgcode/draw2d.PathBuilder
的用法示例。
在下文中一共展示了PathBuilder.QuadCurveTo方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: RoundedRectangle
// RoundedRectangle draws a rectangle using a path between (x1,y1) and (x2,y2)
func RoundedRectangle(path draw2d.PathBuilder, x1, y1, x2, y2, arcWidth, arcHeight float64) {
arcWidth = arcWidth / 2
arcHeight = arcHeight / 2
path.MoveTo(x1, y1+arcHeight)
path.QuadCurveTo(x1, y1, x1+arcWidth, y1)
path.LineTo(x2-arcWidth, y1)
path.QuadCurveTo(x2, y1, x2, y1+arcHeight)
path.LineTo(x2, y2-arcHeight)
path.QuadCurveTo(x2, y2, x2-arcWidth, y2)
path.LineTo(x1+arcWidth, y2)
path.QuadCurveTo(x1, y2, x1, y2-arcHeight)
path.Close()
}
示例2: DrawContour
// DrawContour draws the given closed contour at the given sub-pixel offset.
func DrawContour(path draw2d.PathBuilder, ps []truetype.Point, dx, dy float64) {
if len(ps) == 0 {
return
}
startX, startY := pointToF64Point(ps[0])
path.MoveTo(startX+dx, startY+dy)
q0X, q0Y, on0 := startX, startY, true
for _, p := range ps[1:] {
qX, qY := pointToF64Point(p)
on := p.Flags&0x01 != 0
if on {
if on0 {
path.LineTo(qX+dx, qY+dy)
} else {
path.QuadCurveTo(q0X+dx, q0Y+dy, qX+dx, qY+dy)
}
} else {
if on0 {
// No-op.
} else {
midX := (q0X + qX) / 2
midY := (q0Y + qY) / 2
path.QuadCurveTo(q0X+dx, q0Y+dy, midX+dx, midY+dy)
}
}
q0X, q0Y, on0 = qX, qY, on
}
// Close the curve.
if on0 {
path.LineTo(startX+dx, startY+dy)
} else {
path.QuadCurveTo(q0X+dx, q0Y+dy, startX+dx, startY+dy)
}
}
示例3: rQuadCurveTo
func rQuadCurveTo(path draw2d.PathBuilder, dcx, dcy, dx, dy float64) {
x, y := path.LastPoint()
path.QuadCurveTo(x+dcx, y+dcy, x+dx, y+dy)
}