state

Documentation

Index

• func Run()
• type BrushTool
  • func (b *BrushTool) MouseDown()
  • func (b *BrushTool) MouseUp()
• type Canvas
  • func (c *Canvas) GetCurrentTool() Tool
  • func (c *Canvas) MouseDown()
  • func (c *Canvas) MouseUp()
  • func (c *Canvas) SetCurrentTool(tool Tool)
• type SelectionTool
  • func (s *SelectionTool) MouseDown()
  • func (s *SelectionTool) MouseUp()
• type Tool

Functions

func Run

func Run()

Types

type BrushTool

type BrushTool struct{}

BrushTool is the Concrete State

func (*BrushTool) MouseDown

func (b *BrushTool) MouseDown()

func (*BrushTool) MouseUp

func (b *BrushTool) MouseUp()

type Canvas

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

Canvas is the Context that satisfy Open Closed Principle Open for extension, cloused for modification

func (*Canvas) GetCurrentTool

func (c *Canvas) GetCurrentTool() Tool

func (*Canvas) MouseDown

func (c *Canvas) MouseDown()

func (*Canvas) MouseUp

func (c *Canvas) MouseUp()

func (*Canvas) SetCurrentTool

func (c *Canvas) SetCurrentTool(tool Tool)

type SelectionTool

type SelectionTool struct{}

SelectionTool is the Concrete State

func (*SelectionTool) MouseDown

func (s *SelectionTool) MouseDown()

func (*SelectionTool) MouseUp

func (s *SelectionTool) MouseUp()

type Tool

type Tool interface {
	MouseDown()
	MouseUp()
}

Tool is the State