public PDFLayoutXObject(PDFLayoutLine parent, PDFLayoutRegion childContainer, PDFPositionOptions position, IPDFComponent owner)
: base(parent, owner as IPDFComponent)
{
this._childContainer = childContainer;
this._resources = new PDFResourceList(this, false);
this.SubType = "Form";
this.Matrix = PDFTransformationMatrix.Identity();
this._position = position;
}
private PDFTransformationMatrix CalculateMatrix(PDFSize available, PDFRect view, SVGAspectRatio ratio)
{
PDFTransformationMatrix matrix = PDFTransformationMatrix.Identity();
if (ratio.Align == AspectRatioAlign.None)
{
SVGAspectRatio.ApplyMaxNonUniformScaling(matrix, available, view);
}
else if (ratio.Meet == AspectRatioMeet.Meet)
{
SVGAspectRatio.ApplyUniformScaling(matrix, available, view, ratio.Align);
}
else if (ratio.Meet == AspectRatioMeet.Slice)
{
SVGAspectRatio.ApplyUniformStretching(matrix, available, view, ratio.Align);
}
else
{
throw new ArgumentOutOfRangeException(nameof(ratio));
}
return(matrix);
}
private void WriteXObjectDictionaryContent(PDFRenderContext context, PDFWriter writer, long len, IStreamFilter[] filters)
{
writer.WriteDictionaryNameEntry("Type", "XObject");
if (!string.IsNullOrEmpty(this.SubType))
{
writer.WriteDictionaryNameEntry("Subtype", "Form");
}
writer.BeginDictionaryEntry("Matrix");
writer.WriteArrayRealEntries(PDFTransformationMatrix.Identity().Components); // this.Matrix.Components);
writer.EndDictionaryEntry();
writer.BeginDictionaryEntry("BBox");
writer.BeginArrayS();
if (this._position.ViewPort.HasValue)
{
PDFRect vp = this._position.ViewPort.Value;
writer.WriteReal(vp.X.PointsValue);
writer.WriteRealS(vp.Y.PointsValue);
writer.WriteRealS(vp.Width.PointsValue);
writer.WriteRealS(vp.Height.PointsValue);
}
else
{
writer.WriteReal(0.0F);
writer.WriteRealS(0.0F);
writer.WriteRealS(this._childContainer.Height.PointsValue);
writer.WriteRealS(this._childContainer.Height.PointsValue);
}
writer.EndArray();
writer.EndDictionaryEntry();
PDFObjectRef res = this._resources.WriteResourceList(context, writer);
if (null != res)
{
writer.WriteDictionaryObjectRefEntry("Resources", res);
}
if (null != filters && filters.Length > 0)
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
writer.BeginDictionaryEntry("Filter");
writer.BeginArray();
foreach (IStreamFilter filter in filters)
{
writer.BeginArrayEntry();
writer.WriteName(filter.FilterName);
writer.EndArrayEntry();
}
writer.EndArray();
writer.EndDictionaryEntry();
}
else
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
}
}