/// <summary>
/// Add all inheritable values from the specified page to the specified values structure.
/// </summary>
internal static void InheritValues(PdfDictionary page, ref InheritedValues values)
{
PdfItem item = page.Elements[InheritablePageKeys.Resources];
if (item != null)
{
PdfReference reference = item as PdfReference;
if (reference != null)
{
values.Resources = (PdfDictionary)(reference.Value);
}
else
{
values.Resources = (PdfDictionary)item;
}
}
item = page.Elements[InheritablePageKeys.MediaBox];
if (item != null)
{
values.MediaBox = new PdfRectangle(item);
}
item = page.Elements[InheritablePageKeys.CropBox];
if (item != null)
{
values.CropBox = new PdfRectangle(item);
}
item = page.Elements[InheritablePageKeys.Rotate];
if (item != null)
{
if (item is PdfReference)
{
item = ((PdfReference)item).Value;
}
values.Rotate = (PdfInteger)item;
}
}
/// <summary>
/// Initializes a new instance of the PdfRectangle class with the specified PdfArray.
/// </summary>
internal PdfRectangle(PdfItem item)
{
if (item == null || item is PdfNull)
{
return;
}
if (item is PdfReference)
{
item = ((PdfReference)item).Value;
}
PdfArray array = item as PdfArray;
if (array == null)
{
throw new InvalidOperationException(PSSR.UnexpectedTokenInPdfFile);
}
_x1 = array.Elements.GetReal(0);
_y1 = array.Elements.GetReal(1);
_x2 = array.Elements.GetReal(2);
_y2 = array.Elements.GetReal(3);
}
