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ajaxlab edited this page Nov 19, 2018 · 6 revisions

Techs

Performances

  • OffscreenCanvas with worker
    • if possible
    • Bitmap Operations
  • Layered Canvas
    • Feedback Layer
      • Draws Selection, Selection Handle, Selection Area
    • Upper Layers Cache
      • merged layers above the active layer
      • make cache on layerOrder, layerChange event
    • Active Layer
      • User's working layer
    • Lower Layers Cache
      • merged layers below the active layer
      • make cache on layerOrder, layerChange event

UI

  • Custom Cursor
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