dom

Documentation

Index

• Constants
• type QuadElement
  • func (qe *QuadElement) ActivateVertex(i int) graphics.Pointf
  • func (qe *QuadElement) Deactivate()
  • func (qe *QuadElement) Draw(dl *graphics.DisplayList)
  • func (qe *QuadElement) FindVertex(p graphics.Pointf) int
  • func (qe *QuadElement) HoverOff()
  • func (qe *QuadElement) HoverOn(v int)
  • func (qe *QuadElement) Init(pt graphics.Pointf)
  • func (qe *QuadElement) SetActiveVertex(v graphics.Pointf)

Constants

const (
	VERTEX_NON   = iota // Draw the default vertex handle.
	VERTEX_HOVER        // Draw the hover vertex handle.
	VERTEX_PRESS        // Draw the mouse down vertex handle
	NUM_VERTEX_STATES
)

const (
	QUAD_ELEMENT_DX = 45.
	QUAD_ELEMENT_DY = 45.
	QUAD_ELEMENT_DH = 4.
)

Types

type QuadElement

type QuadElement struct {
	// contains filtered or unexported fields
}

Element is a placeholder for an element. Will want, not a tree, but a true database format for efficent queries (including spatial).

func (*QuadElement) ActivateVertex

func (qe *QuadElement) ActivateVertex(i int) graphics.Pointf

func (*QuadElement) Deactivate

func (qe *QuadElement) Deactivate()

func (*QuadElement) Draw

func (qe *QuadElement) Draw(dl *graphics.DisplayList)

TODO(vollick): split this out into an interface.

func (*QuadElement) FindVertex

func (qe *QuadElement) FindVertex(p graphics.Pointf) int

func (*QuadElement) HoverOff

func (qe *QuadElement) HoverOff()

func (*QuadElement) HoverOn

func (qe *QuadElement) HoverOn(v int)

func (*QuadElement) Init

func (qe *QuadElement) Init(pt graphics.Pointf)

func (*QuadElement) SetActiveVertex

func (qe *QuadElement) SetActiveVertex(v graphics.Pointf)