/// <summary>
/// SendStraightLine sends a straight line annotation to the handler.
/// </summary>
/// <param name="handler">The handler.</param>
/// <param name="properties">The properties.</param>
/// <returns>true if the operation succeeded otherwise returns false.</returns>
private static bool SendStraightLine(IWangAnnotationHandler handler, WangAnnotationProperties properties)
{
/*
* Straight Line
* Definition: A line with a defined starting and ending point.
* Attributes: rgbColor1, bHighlighting, uLineSize
* Named Blocks and Associated Structures:
* - OiAnoDat AN_POINTS
* - OiFilNam Not used
* - OiDIB Not used
* - OiGroup STR
* - OiIndex STR
* - OiAnText Not used
*/
if (properties.HasPoints && WangAnnotationTranslation.PointsLength(properties.Points) == 2)
{
SendStraightLine(handler, properties.OiGroup, properties.OiIndex, properties.MarkAttributes.Bounds, properties.Points, properties.MarkAttributes.Color1, properties.MarkAttributes.Highlighting, properties.MarkAttributes.LineSize);
return(true);
}
return(false);
}
/// <summary>
/// SendStraightLine sends a straight line 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>
/// <param name="points">The points for the line.</param>
/// <param name="colorComponents">The components for the color of the line.</param>
/// <param name="highlighting">A flag indicating whether it's an highlighter line or a regular line.</param>
/// <param name="lineSize">The size of the line, i.e. width of the line.</param>
private static void SendStraightLine(IWangAnnotationHandler handler, string oiGroup, string oiIndex, int[] bounds, int[] points, byte[] colorComponents, bool highlighting, uint lineSize)
{
// 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.
if (highlighting)
{
// The coordinates for the line are relative to the upper left corner of the annotation
// bounding box. Also convert a straight line to a free hand because of highlither
handler.AddFreeHandHighligtherAnnot(PointsInImage(bounds, points), colorComponents, (int)lineSize);
}
else
{
// The coordinates for the line are relative to the upper left corner of the annotation
// bounding box.
handler.AddLineAnnot(
bounds[WangAnnotationTranslation.LeftIndex] + WangAnnotationTranslation.PointX(0, points),
WangAnnotationTranslation.PointY(0, points),
WangAnnotationTranslation.PointX(1, points),
WangAnnotationTranslation.PointY(1, points), colorComponents, (int)lineSize);
}
}
