CakeChen's Forum Posts

• • CakeChen
  • 
  • • Joined 10 May, 2017
    • 
    • 1 topics • 2 posts
  • 1

  • 5 Oct, 2022
  • Quote

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• • CakeChen
  • 
  • • Joined 10 May, 2017
    • 
    • 1 topics • 2 posts
  • 1

  • 1 Sep, 2022
  • Quote

  Whether is it possible to provide a scripting interface (e.g. in IRuntime) for snapshotting current canvas?

  • Similar to System action "Snapshot canvas". But got an ImageData (instead of a data URI). And it is in scripting interface.
  • Similar to DrawingCanvas plugin's function "async getImagePixelData()". But just from current whole (Offscreen)Canvas (instead of a DrawingCanvas).

  This requirement seems possible to be done by DrawingCanvas's "Paste object" and then "Save snapshot". However:

  • If there are many object types are used, DrawingCanvas's "Paste object" needs be called many times. (And, what about their z-order?)
  • This is almost drawing everything twice which may reduce some performance.

  Or, is there other method which I don't know? (e.g. The whole (Offscreen)Canvas could be accessed in scripting interface.)

  Tagged:

  • canvas
  • scripting
  • snapshot