/// <summary>
/// SendLink sends a typed link annotation to the handler.
/// </summary>
/// <param name="handler">The handler.</param>
/// <param name="oiGroup">The group.</param>
/// <param name="oiIndex">The index.</param>
/// <param name="bounds">The rectangle surrouding the annotation.</param>
/// <returns>true if the operation succeeded otherwise returns false.</returns>
private static bool SendLink(
IWangAnnotationHandler handler, string oiGroup, string oiIndex, int[] bounds, int orientation,
uint creationScale, string text,
bool internalLink, string link, string workingDirectory, string location,
byte[] color,
WangLogFont lfFont)
{
// TODO - David Ometto - 2016-11-22 - Translate to GdPicture.NET proper annotation type.
// Please see in detail the parameters that are just ignored for the moment.
// Take extra care of each and every field of the WangLogFont and WangDisplayText structures.
// TODO - David Ometto - 2016-11-22 - This definitely does not work. Having a try with a pdf
// output: the text is there, underlined and blue ... but not link. Tested with www.orpalis.com.
// Also the link to files, etc. needs to be analysed to understand how to combine the different
// components.
if (internalLink)
{
handler.AddLinkAnnot(bounds[WangAnnotationTranslation.LeftIndex],
bounds[WangAnnotationTranslation.TopIndex],
bounds[WangAnnotationTranslation.RightIndex] - bounds[WangAnnotationTranslation.LeftIndex],
bounds[WangAnnotationTranslation.BottomIndex] - bounds[WangAnnotationTranslation.TopIndex], text,
workingDirectory + link + location);
}
else
{
handler.AddLinkAnnot(bounds[WangAnnotationTranslation.LeftIndex],
bounds[WangAnnotationTranslation.TopIndex],
bounds[WangAnnotationTranslation.RightIndex] - bounds[WangAnnotationTranslation.LeftIndex],
bounds[WangAnnotationTranslation.BottomIndex] - bounds[WangAnnotationTranslation.TopIndex], text,
link);
}
return(true);
}
/// <summary>
/// SendTextFromFile sends a text from file annotation to the handler.
/// </summary>
/// <param name="handler">The handler.</param>
/// <param name="oiGroup">The group.</param>
/// <param name="oiIndex">The index.</param>
private static void SendTextFromFile(
IWangAnnotationHandler handler, string oiGroup, string oiIndex, int[] bounds, int orientation,
uint creationScale, string text, byte[] color,
WangLogFont lfFont)
{
// TODO - David Ometto - 2016-11-22 - Translate to GdPicture.NET proper annotation type.
// Please see in detail the parameters that are just ignored for the moment.
// Take extra care of each and every field of the WangLogFont and WangDisplayText structures.
handler.AddTextAnnot(bounds[WangAnnotationTranslation.LeftIndex], bounds[WangAnnotationTranslation.TopIndex],
bounds[WangAnnotationTranslation.RightIndex] - bounds[WangAnnotationTranslation.LeftIndex],
bounds[WangAnnotationTranslation.BottomIndex] - bounds[WangAnnotationTranslation.TopIndex], text,
lfFont.Italic, lfFont.Underline, lfFont.FaceName,
orientation / 10);
}
/// <summary>
/// ReadLogFont reads a structure designed to hold font attributes.
/// </summary>
/// <remarks>
/// This methods aplies when the specifications are mentionning the availability of a OIAN_MARK_ATTRIBUTES structure.
/// </remarks>
/// <param name="stream">The stream to read the data in.</param>
/// <returns>The data read.</returns>
public static WangLogFont ReadLogfont(IWangStream stream)
{
if (stream.AvailableBytes() >= 56)
{
/*
* This implementation is based on the following C++ typedef:
* typedef struct tagLOGFONT {
* LONG lfHeight;
* LONG lfWidth;
* LONG lfEscapement;
* LONG lfOrientation;
* LONG lfWeight;
* BYTE lfItalic;
* BYTE lfUnderline;
* BYTE lfStrikeOut;
* BYTE lfCharSet;
* BYTE lfOutPrecision;
* BYTE lfClipPrecision;
* BYTE lfQuality;
* BYTE lfPitchAndFamily;
* TCHAR lfFaceName[LF_FACESIZE];
* } LOGFONT, *PLOGFONT;
*/
WangLogFont readData = new WangLogFont();
readData.Height = stream.ReadInt32();
readData.Width = stream.ReadInt32();
readData.Escapement = stream.ReadInt32();
readData.Orientation = stream.ReadInt32();
readData.Weight = stream.ReadInt32();
readData.Italic = stream.ReadByte() != 0;
readData.Underline = stream.ReadByte() != 0;
readData.StrikeOut = stream.ReadByte() != 0;
readData.CharSet = stream.ReadByte();
readData.OutPrecision = stream.ReadByte();
readData.ClipPrecision = stream.ReadByte();
readData.Quality = stream.ReadByte();
readData.PitchAndFamily = stream.ReadByte();
readData.FaceName = ReadCharString(stream, 28);
return(readData);
}
return(null);
}
