Effort/Migrate Rendering to XCanvas

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Type: Effort State: in progress

Convert all applications from the old VCL OutputDevice-based rendering to the Uno XCanvas API.


Get rid of the Win16 GDI-based concepts deeply ingrained in VCL OutputDevice. Make use of an API that has low impedance towards contemporary graphics APIs (Quartz, Java Graphics2D, OpenGL, DirectX).

Work already done

  • Impress slideshow
  • (80 percent of) Draw/Impress edit view


  • Lots of places to change
  • Maintaining layout compatibility in Writer
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