public int GetCharIndexAtPos(float x, float y, float xTolerance, float yTolerance)
{
return(PDFium.FPDFText_GetCharIndexAtPos(Handle, x, y, xTolerance, yTolerance));
}
public PdfBookmark FindBookmark(string title)
{
var handle = PDFium.FPDFBookmark_Find(Handle, title);
return(handle.IsNull ? null : new PdfBookmark(this, handle));
}
/// <summary>
/// Creates a new <see cref="PDFiumBitmap"/>. Unmanaged memory is allocated which must
/// be freed by calling <see cref="Dispose"/>.
/// </summary>
/// <param name="width">The width of the new bitmap.</param>
/// <param name="height">The height of the new bitmap.</param>
/// <param name="hasAlpha">A value indicating wheter the new bitmap has an alpha channel.</param>
/// <remarks>
/// A bitmap created with this overload always uses 4 bytes per pixel.
/// Depending on <paramref name="hasAlpha"/> the <see cref="Format"/> is then either
/// <see cref="BitmapFormats.BGRA"/> or <see cref="BitmapFormats.BGRx"/>.
/// </remarks>
public PDFiumBitmap(int width, int height, bool hasAlpha)
: this(PDFium.FPDFBitmap_Create(width, height, hasAlpha), hasAlpha ? BitmapFormats.BGRA : BitmapFormats.BGRx)
{
}
/// <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 '<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="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>
public PdfDocument(Stream stream, int count = 0, string password = null)
: this(PDFium.FPDF_LoadDocument(stream, count, password))
{
}
/// <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))
{
}
protected override void Dispose(FPDF_DOCUMENT handle)
{
((IDisposable)Pages).Dispose();
PDFium.FPDF_CloseDocument(handle);
}
public int CountChars() => PDFium.FPDFText_CountChars(Handle);
/// <summary> /// Returns all the text on the page. /// </summary> /// <returns></returns> public string GetText() => PDFium.FPDFText_GetText(Handle, 0, CountChars());
public static PdfText Load(PdfPage page) => new PdfText(page, PDFium.FPDFText_LoadPage(page.Handle));
protected override void Dispose(FPDF_TEXTPAGE handle)
{
PDFium.FPDFText_ClosePage(handle);
}
public PDFiumException()
: base($"PDFium Error: {PDFium.FPDF_GetLastError().GetDescription()}")
{
}
/// <summary>
/// Fills a rectangle in the <see cref="PDFiumBitmap"/> with <paramref name="color"/>.
/// The pixel values in the rectangle are replaced and not blended.
/// </summary>
public void FillRectangle(int left, int top, int width, int height, FPDF_COLOR color)
{
PDFium.FPDFBitmap_FillRect(Handle, left, top, width, height, color);
}
/// <summary>
/// Creates a new <see cref="PDFiumBitmap"/> using memory allocated by the caller.
/// The caller is responsible for freeing the memory and that the adress stays
/// valid during the lifetime of the returned <see cref="PDFiumBitmap"/>. To free
/// unmanaged resources, <see cref="Dispose"/> must be called.
/// </summary>
/// <param name="width">The width of the new bitmap.</param>
/// <param name="height">The height of the new bitmap.</param>
/// <param name="format">The format of the new bitmap.</param>
/// <param name="scan0">The adress of the memory block which holds the pixel values.</param>
/// <param name="stride">The number of bytes per image row.</param>
public PDFiumBitmap(int width, int height, BitmapFormats format, IntPtr scan0, int stride)
: this(PDFium.FPDFBitmap_CreateEx(width, height, format, scan0, stride), format)
{
}
/// <summary>
/// Extracts text from the page.
/// </summary>
/// <param name="index">Index for the start characters.</param>
/// <param name="count">Number of characters to be extracted.</param>
/// <returns></returns>
public string GetText(int index, int count)
{
return(PDFium.FPDFText_GetText(Handle, index, count));
}
public string GetText(int start_index, int count) => PDFium.FPDFText_GetText(Handle, start_index, count);
internal PdfPageCollection(PdfDocument doc)
{
_doc = doc;
_pages = new List <PdfPage>(PDFium.FPDF_GetPageCount(doc.Handle));
}
public string GetBoundedText(double left, double top, double right, double bottom) => PDFium.FPDFText_GetBoundedText(Handle, left, top, right, bottom);
public void CopyViewerPreferencesFrom(PdfDocument srcDoc) => PDFium.FPDF_CopyViewerPreferences(Handle, srcDoc.Handle);
public string GetBoundedText(float left, float top, float right, float bottom)
{
return(PDFium.FPDFText_GetBoundedText(Handle, left, top, right, bottom));
}
/// <summary>
/// Creates a new <see cref="PdfDocument"/>.
/// <see cref="Close"/> must be called in order to free unmanaged resources.
/// </summary>
public PdfDocument()
: this(PDFium.FPDF_CreateNewDocument())
{
}
public char GetCharacter(int index)
{
return(PDFium.FPDFText_GetUnicode(Handle, index));
}
/// <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))
{
}
/// <summary>
/// Get the font size of a particular character.
/// </summary>
/// <param name="index">Zero-based index of the character.</param>
/// <returns>
/// The font size of the particular character, measured in points (about
/// 1/72 inch). This is the typographic size of the font (so called "em size").
/// </returns>
public float GetFontSize(int index)
{
return((float)PDFium.FPDFText_GetFontSize(Handle, index));
}
/// <summary>
/// Saves the <see cref="PdfDocument"/> to a <paramref name="stream"/>.
/// </summary>
/// <param name="version">
/// The new PDF file version of the saved file.
/// 14 for 1.4, 15 for 1.5, etc. Values smaller than 10 are ignored.
/// </param>
public bool Save(Stream stream, SaveFlags flags = SaveFlags.None, int version = 0)
{
return(PDFium.FPDF_SaveAsCopy(Handle, stream, flags, version));
}
public FS_RECTF GetCharBox(int index)
{
PDFium.FPDFText_GetCharBox(Handle, index, out double left, out double right, out double bottom, out double top);
return(new FS_RECTF((float)left, (float)right, (float)bottom, (float)top));
}
public string GetMetaText(MetadataTags tag) => PDFium.FPDF_GetMetaText(Handle, tag);
protected override void Dispose(FPDF_BITMAP handle)
{
PDFium.FPDFBitmap_Destroy(handle);
}
