/// <summary>
/// Loads a <see cref="PdfDocument"/> from '<paramref name="count"/>' bytes read from a <paramref name="stream"/>.
/// <see cref="Close"/> must be called in order to free unmanaged resources.
/// </summary>
/// <param name="stream"></param>
/// <param name="fileRead"></param>
/// <param name="count">
/// The number of bytes to read from the <paramref name="stream"/>.
/// If the value is equal to or smaller than 0, the stream is read to the end.
/// </param>
/// <param name="password"></param>
public PdfDocument(Stream stream, FPDF_FILEREAD fileRead, int count = 0, string password = null)
: this(Pdfium.FPDF_LoadDocument(stream, fileRead, count, password))
{
}
/// <summary>
/// Loads a <see cref="PdfDocument"/> from the file system.
/// <see cref="Close"/> must be called in order to free unmanaged resources.
/// </summary>
/// <param name="fileName">Filepath of the PDF file to load.</param>
public PdfDocument(string fileName, string password = null)
: this(Pdfium.FPDF_LoadDocument(fileName, password))
{
}
/// <summary>
/// Loads a <see cref="PdfDocument"/> from memory.
/// <see cref="Close"/> must be called in order to free unmanaged resources.
/// </summary>
/// <param name="data">Byte array containing the bytes of the PDF document to load.</param>
/// <param name="index">The index of the first byte to be copied from <paramref name="data"/>.</param>
/// <param name="count">The number of bytes to copy from <paramref name="data"/> or a negative value to copy all bytes.</param>
public PdfDocument(byte[] data, int index = 0, int count = -1, string password = null)
: this(Pdfium.FPDF_LoadDocument(data, index, count, password))
{
}