drawXObject method

void drawXObject(PdfFormXObject xobj, double x, double y, { double? w, double? h, })

Implementation

void drawXObject(
  PdfFormXObject xobj,
  double x,
  double y, {
  double? w,
  double? h,
}) {
  _page.addXObject(xobj);
  final String name = xobj.name;
  final bbox = xobj.params['/BBox'] as PdfArray;
  final origW = (bbox.values[2] as PdfNum).value.toDouble();
  final origH = (bbox.values[3] as PdfNum).value.toDouble();
  final targetW = w ?? origW;
  final targetH = h ?? origH;

  final scaleX = targetW / origW;
  final scaleY = targetH / origH;

  var o = 0;
  assert(() {
    if (_page.settings.verbose) {
      o = _buf.offset;
      _buf.putString(' ' * (_indent));
    }
    return true;
  }());

  _buf.putString('q ');
  PdfNumList(<double>[scaleX, 0, 0, scaleY, x, y]).output(_page, _buf);
  _buf.putString(' cm ');
  _buf.putString('/$name Do ');
  _buf.putString('Q ');

  _page.altered = true;

  assert(() {
    if (_page.settings.verbose) {
      _buf.putString(' ' * math.max(0, _commentIndent - _buf.offset + o));
      _buf.putComment(
        'drawXObject2(${xobj.ref()}, x: $x, y: $y, w: $targetW, h: $targetH)',
      );
    }
    return true;
  }());
}