canvas

README

wde.canvas

HTML5 Canvas backend for go.wde

Usage

When using go.wde, just import:

_ "github.com/errnoh/wde.canvas"

And then connect to localhost:12500 with your browser.

Note:

• Remember not to import multiple backends. (e.g. go.wde/init)
• Some functions (Resize for example) are not yet implemented.
• Browser needs websocket and canvas support.

Documentation

Index

• func NewWindow(width, height int) (w wde.Window, err error)
• type RGBA
  • func (img RGBA) AsRGBA() *image.RGBA
  • func (img RGBA) CopyRGBA(src *image.RGBA, bounds image.Rectangle)
• type Window
  • func (w *Window) Close() (err error)
  • func (w *Window) EventChan() (events <-chan interface{})
  • func (w *Window) FPS() <-chan int
  • func (w *Window) FlushImage(bounds ...image.Rectangle)
  • func (w *Window) LockSize(lock bool)
  • func (w *Window) Screen() (im wde.Image)
  • func (w *Window) SetIcon(icon image.Image)
  • func (w *Window) SetIconName(name string)
  • func (w *Window) SetSize(width, height int)
  • func (w *Window) SetTitle(title string)
  • func (w *Window) Show()
  • func (w *Window) Size() (width, height int)

Functions

func NewWindow

func NewWindow(width, height int) (w wde.Window, err error)

Types

type RGBA

type RGBA struct {
	*image.RGBA
}

func (RGBA) AsRGBA

func (img RGBA) AsRGBA() *image.RGBA

func (RGBA) CopyRGBA

func (img RGBA) CopyRGBA(src *image.RGBA, bounds image.Rectangle)

type Window

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

func (*Window) Close

func (w *Window) Close() (err error)

func (*Window) EventChan

func (w *Window) EventChan() (events <-chan interface{})

func (*Window) FPS

func (w *Window) FPS() <-chan int

func (*Window) FlushImage

func (w *Window) FlushImage(bounds ...image.Rectangle)

func (*Window) LockSize

func (w *Window) LockSize(lock bool)

func (*Window) Screen

func (w *Window) Screen() (im wde.Image)

func (*Window) SetIcon

func (w *Window) SetIcon(icon image.Image)

NOTE: Not yet supported

func (*Window) SetIconName

func (w *Window) SetIconName(name string)

NOTE: Not yet supported

func (*Window) SetSize

func (w *Window) SetSize(width, height int)

func (*Window) SetTitle

func (w *Window) SetTitle(title string)

func (*Window) Show

func (w *Window) Show()

NOTE: Doesn't do anything yet.

func (*Window) Size

func (w *Window) Size() (width, height int)

Returns width and height of the canvas.