57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
// Copyright 2010 The draw2d Authors. All rights reserved.
|
|
// created: 06/12/2010 by Laurent Le Goff
|
|
|
|
package path
|
|
|
|
// LineBuilder defines drawing line methods
|
|
type LineBuilder interface {
|
|
// MoveTo Start a New line from the point (x, y)
|
|
MoveTo(x, y float64)
|
|
// LineTo Draw a line from the current position to the point (x, y)
|
|
LineTo(x, y float64)
|
|
// LineJoin add the most recent starting point to close the path to create a polygon
|
|
LineJoin()
|
|
// Close add the most recent starting point to close the path to create a polygon
|
|
Close()
|
|
// End mark the current line as finished so we can draw caps
|
|
End()
|
|
}
|
|
|
|
type LineBuilders struct {
|
|
builders []LineBuilder
|
|
}
|
|
|
|
func NewLineBuilders(builders ...LineBuilder) *LineBuilders {
|
|
return &LineBuilders{builders}
|
|
}
|
|
|
|
func (dc *LineBuilders) MoveTo(x, y float64) {
|
|
for _, converter := range dc.builders {
|
|
converter.MoveTo(x, y)
|
|
}
|
|
}
|
|
|
|
func (dc *LineBuilders) LineTo(x, y float64) {
|
|
for _, converter := range dc.builders {
|
|
converter.LineTo(x, y)
|
|
}
|
|
}
|
|
|
|
func (dc *LineBuilders) LineJoin() {
|
|
for _, converter := range dc.builders {
|
|
converter.LineJoin()
|
|
}
|
|
}
|
|
|
|
func (dc *LineBuilders) Close() {
|
|
for _, converter := range dc.builders {
|
|
converter.Close()
|
|
}
|
|
}
|
|
|
|
func (dc *LineBuilders) End() {
|
|
for _, converter := range dc.builders {
|
|
converter.End()
|
|
}
|
|
}
|