/**
* <summary>Instantiates a child-level content scanner.</summary>
* <param name="parentLevel">Parent scan level.</param>
*/
private ContentScanner(ContentScanner parentLevel)
{
this.parentLevel = parentLevel;
this.contents = parentLevel.contents;
this.objects = ((CompositeObject)parentLevel.Current).Objects;
canvasSize = contextSize = parentLevel.contextSize;
MoveStart();
}
public ContentScanner(xObjects::FormXObject formXObject, SKCanvas canvas, SKSize size)
{
objects =
contents = formXObject.Contents;
canvasSize =
contextSize = size;
renderContext = canvas;
MoveStart();
}
/**
* <summary>Instantiates a top-level content scanner.</summary>
* <param name="contents">Content objects collection to scan.</param>
*/
public ContentScanner(ContentWrapper contents)
{
parentLevel = null;
objects =
this.contents = contents;
canvasSize =
contextSize = contents.ContentContext.Box.Size;
MoveStart();
}
/**
* <summary>Instantiates a child-level content scanner for <see cref="PdfClown.Documents.Contents.XObjects.FormXObject">external form</see>.</summary>
* <param name="formXObject">External form.</param>
* <param name="parentLevel">Parent scan level.</param>
*/
public ContentScanner(xObjects::FormXObject formXObject, ContentScanner parentLevel)
{
this.parentLevel = parentLevel;
objects =
contents = formXObject.Contents;
canvasSize =
contextSize = parentLevel.contextSize;
renderContext = parentLevel.RenderContext;
MoveStart();
}