private void parsePage(PDFArray arr, IDocumentEssential owner)
{
IPDFObject page = arr[0];
if (page == null)
{
return;
}
if (page is PDFNumber)
{
_page = owner.GetPage((int)(page as PDFNumber).GetValue());
}
else if (page is PDFDictionary)
{
_page = owner.GetPage(page as PDFDictionary);
}
else
{
_page = null;
}
arr.RemoveItem(0);
if (_page != null)
{
arr.Insert(0, _page.GetDictionary());
}
else
{
arr.Insert(0, new PDFNull());
}
}
/// <summary>
/// Gets or sets the element at the specified index.
/// </summary>
/// <param name="index" href="http://msdn.microsoft.com/en-us/library/system.int32.aspx">The zero-based index of the element to get or set.</param>
/// <returns cref="PointF" href="http://msdn.microsoft.com/en-us/library/system.drawing.pointf.aspx">The element at the specified index.</returns>
public PointF this[int index]
{
get
{
if (index < 0 || index >= _array.Count / 2)
{
throw new IndexOutOfRangeException();
}
PDFNumber numberX = _array[index * 2] as PDFNumber;
PDFNumber numberY = _array[index * 2 + 1] as PDFNumber;
if (numberX == null)
{
numberX = new PDFNumber(0);
}
if (numberY == null)
{
numberY = new PDFNumber(0);
}
float numX = (float)numberX.GetValue();
float numY = (float)numberY.GetValue();
if (_page != null)
{
numX = numX - _page.PageRect.Left;
numY = _page.PageRect.Bottom - numY;
}
return(new PointF(numX, numY));
}
set
{
if (index < 0 || index >= _array.Count / 2)
{
throw new IndexOutOfRangeException();
}
if (_page != null)
{
value.X = value.X + _page.PageRect.Left;
value.Y = _page.PageRect.Bottom - value.Y;
}
_array.RemoveItem(index * 2);
_array.RemoveItem(index * 2);
_array.Insert(index * 2, new PDFNumber(value.Y));
_array.Insert(index * 2, new PDFNumber(value.X));
if (ChangedPointsArray != null)
{
ChangedPointsArray(this);
}
}
}
private void addFirstq(PDFArray contents)
{
MemoryStream ms = new MemoryStream(2);
ms.WriteByte((byte)'q');
ms.WriteByte((byte)'\r');
PDFDictionaryStream q = new PDFDictionaryStream(new PDFDictionary(), ms);
contents.Insert(0, q);
}
private void addItem(PDFArray array, IPDFObject key, IPDFObject value)
{
if (array == null)
{
return;
}
int number = (int)(key as PDFNumber).GetValue();
for (int i = 0; i < array.Count; i += 2)
{
PDFNumber val = array[i] as PDFNumber;
if (i + 2 < array.Count)
{
PDFNumber val_next = array[i + 2] as PDFNumber;
if (val != null && val_next != null &&
((int)val.GetValue()) <= number && number < ((int)val_next.GetValue()))
{
array.Insert(i + 2, key);
array.Insert(i + 3, value);
return;
}
}
else
{
if (val != null && ((int)val.GetValue()) <= number)
{
array.AddItem(key);
array.AddItem(value);
return;
}
else
{
array.Insert(i, key);
array.Insert(i + 1, value);
return;
}
}
}
}
/// <summary>
/// Inserts an element at the specified index to the collection.
/// </summary>
/// <param name="index" href="http://msdn.microsoft.com/en-us/library/system.int32.aspx">The zero-based index at which the element is to be inserted.</param>
/// <param name="item">The element to insert.</param>
public void Insert(int index, OptionalContentGroupItem item)
{
if (item == null)
{
throw new ArgumentNullException();
}
if (index < 0 || index > Count)
{
throw new IndexOutOfRangeException();
}
_items.Insert(index, item);
_array.Insert(index, item.GetObject());
}
/// <summary>
/// Inserts a layer at the specified index to the collection.
/// </summary>
/// <param name="index" href="http://msdn.microsoft.com/en-us/library/system.int32.aspx">The zero-based index at which the outline is to be inserted.</param>
/// <param name="layer">Layer to insert.</param>
public void Insert(int index, Layer layer)
{
if (layer == null)
{
throw new ArgumentNullException("page");
}
if (index < 0 || index > Count)
{
throw new IndexOutOfRangeException();
}
_layers.Insert(index, layer);
_array.Insert(index, layer.GetDictionary());
}
/// <summary>
/// Inserts an element into the collection at the specified index.
/// </summary>
/// <param name="index" href="http://msdn.microsoft.com/en-us/library/system.int32.aspx">The zero-based index at which item should be inserted.</param>
/// <param name="value" href="http://msdn.microsoft.com/en-us/library/system.string.aspx">The object to insert.</param>
public void Insert(int index, string value)
{
if (index < 0 || index > Count)
{
throw new IndexOutOfRangeException();
}
if (value == null)
{
value = "";
}
_items.Insert(index, new PDFString(value));
if (AddedChoiceItem != null)
{
AddedChoiceItem(this, new AddedChoiceItemEvent(value));
}
if (ChangedChoiceItems != null)
{
ChangedChoiceItems(this);
}
}