type

Image

src @Js
mixin Image

Graphical image. Images are loaded from a file using GraphicsEnv.image.

methods

h

Get the size height

isLoaded

Is this image completely loaded into memory for use.

mime

Image format based on file type

render

Render a new image with the given MIME type and size using the provided Graphics instance.

size

Get the natural size of this image.

uri

Unique uri key for this image in the GraphicsEnv cache.

w

Get the size width

write

Write image content to the given output stream, where encoding is based on mime type.

Slot Details

h

src virtual Float h()

Get the size height

isLoaded

src abstract Bool isLoaded()

Is this image completely loaded into memory for use. When a given uri is first accessed by GraphicsEnv.image it may be asynchronously loaded in the background and false is returned until load is complete.

mime

src abstract MimeType mime()

Image format based on file type:

  • image/png
  • image/gif
  • image/jpeg
  • image/svg+xml

render

src static Image render(MimeType mime, Size size, |Graphics| f)

Render a new image with the given MIME type and size using the provided Graphics instance. Throws UnsupportedErr if rendering is not supported in this env.

size

src abstract Size size()

Get the natural size of this image. If the image has not been loaded yet, then return 0,0.

uri

src abstract Uri uri()

Unique uri key for this image in the GraphicsEnv cache.

w

src virtual Float w()

Get the size width

write

src virtual Void write(OutStream out)

Write image content to the given output stream, where encoding is based on mime type. Throws UnsupportedErr if write is not supported in this env.