draw

Documentation

Overview

Package draw contains drawing procedures which defines grapical representations of several entities including gui elements, such as menu and also petri net components - places, transitions, arcs

Index

• Constants
• Variables
• func Arc(ctx draw2d.GraphicContext, style Style, path []Pos, dir Direction, weight int)
• func Clean(ctx draw2d.GraphicContext, width, height int)
• func ExportBorder(ctx draw2d.GraphicContext)
• func InhibitorArc(ctx draw2d.GraphicContext, style Style, path []Pos)
• func Init(ctx draw2d.GraphicContext, width, height int)
• func Menu(ctx draw2d.GraphicContext, sWidth, sHeight int, itemsNames []string, ...) ([]float64, float64, float64)
• func Place(ctx draw2d.GraphicContext, style Style, pos Pos, n int, description string)
• func Splash(ctx draw2d.GraphicContext, title string)
• func Transition(ctx draw2d.GraphicContext, style Style, pos Pos, attrs, description string)
• type Direction
• type Drawer
• type Gravity
• type Pos
  • func (pos Pos) Equal(p Pos) bool
• type Style
  • func (s Style) Background() color.RGBA
  • func (s Style) Color() color.RGBA

Constants

const (
	DefaultStyle = Style(iota)
	HighlightedStyle
	FadedStyle
)

const (
	PLACE_RADIUS      = 24.0
	TRANSITION_WIDTH  = 18.0
	TRANSITION_HEIGHT = 72.0
)

Variables

var (
	WHITE   = color.RGBA{255, 255, 255, 255} // #ffffff
	WHITISH = color.RGBA{239, 239, 239, 255} // #efefef

	LIGHT_GRAY = color.RGBA{204, 204, 204, 255} // #cccccc
	GRAY       = color.RGBA{128, 128, 128, 255} // #808080
	DARK_GRAY  = color.RGBA{51, 51, 51, 255}    // #333333

	BLACKISH = color.RGBA{16, 16, 16, 255} // #101010
	BLACK    = color.RGBA{0, 0, 0, 255}    // #000000
)

Functions

func Arc

func Arc(ctx draw2d.GraphicContext, style Style, path []Pos, dir Direction, weight int)

func Clean

func Clean(ctx draw2d.GraphicContext, width, height int)

func ExportBorder

func ExportBorder(ctx draw2d.GraphicContext)

func InhibitorArc

func InhibitorArc(ctx draw2d.GraphicContext, style Style, path []Pos)

func Init

func Init(ctx draw2d.GraphicContext, width, height int)

func Menu

func Menu(ctx draw2d.GraphicContext, sWidth, sHeight int, itemsNames []string, activeIndex int, tooltip string, disabled []bool, pos Gravity) ([]float64, float64, float64)

func Place

func Place(ctx draw2d.GraphicContext, style Style, pos Pos, n int, description string)

func Splash

func Splash(ctx draw2d.GraphicContext, title string)

func Transition

func Transition(ctx draw2d.GraphicContext, style Style, pos Pos, attrs, description string)

Types

type Direction

type Direction bool

const (
	In  Direction = true
	Out Direction = false
)

type Drawer

type Drawer interface {
	DrawPlace(pos Pos, n int, description string)
	DrawTransition(pos Pos, attrs, description string)
	DrawInArc(path []Pos, weight int)
	DrawOutArc(path []Pos, weight int)
	DrawInhibitorArc(path []Pos)
	SetStyle(style Style)
}

type Gravity

type Gravity bool

const (
	Up   Gravity = true
	Down Gravity = false
)

type Pos

type Pos struct {
	X float64
	Y float64
}

func (Pos) Equal

func (pos Pos) Equal(p Pos) bool

type Style

type Style int

func (Style) Background

func (s Style) Background() color.RGBA

func (Style) Color

func (s Style) Color() color.RGBA