TXFACanvasWidgetPainter.Create

Unit: HPDFXFAPresentation

constructor Create(ACanvas: Graphics.TCanvas; AScale: Double = 1;
  AOffsetX: Double = 0; AOffsetY: Double = 0);

Requires a non-nil canvas, finite positive scale, and finite offsets; coordinates transform top-left PDF points to canvas pixels

See Dynamic XFA Instance Presentation for binding and selector rules, supported event syntax, budget defaults, transactional publication, persistence, painting, and compatibility boundaries