applyPositionFixedPaintTransform method
Implementation
void applyPositionFixedPaintTransform(
RenderBoxModel child, Matrix4 transform) {
// Keep `applyPaintTransform` in sync with the scroll-compensation applied in
// RenderBoxModel.paintBoxModel.
final Offset o = child.getFixedScrollCompensation();
if (o.dx != 0.0 || o.dy != 0.0) transform.translate(o.dx, o.dy);
}