campaignCanvasDesignScale function

double campaignCanvasDesignScale({
  1. required double viewportWidth,
  2. required double designWidth,
  3. bool fullWidth = false,
})

Converts authored logical pixels into runtime pixels for any campaign surface. Full-width surfaces may grow with the viewport; floating surfaces have a modest upscale cap so they do not become disproportionately large.

Implementation

double campaignCanvasDesignScale({
  required double viewportWidth,
  required double designWidth,
  bool fullWidth = false,
}) {
  final safeDesignWidth = designWidth > 0 ? designWidth : 360.0;
  final scale = viewportWidth / safeDesignWidth;
  return fullWidth ? scale : math.min(maxCampaignCanvasUpscale, scale);
}