protected virtual PDFRect GetComponentBounds(Component comp, PDFComponentArrangement arrange)
{
if (null != arrange)
{
return(arrange.RenderBounds);
}
else
{
return(PDFRect.Empty);
}
}
/// <summary>
/// returns the first available arrangement for the component or one of it's parents.
/// </summary>
/// <param name="component"></param>
/// <returns></returns>
private PDFComponentArrangement GetFirstArrangementInTree(Component component)
{
while (null != component)
{
PDFComponentArrangement arrange = component.GetFirstArrangement();
if (null != arrange)
{
return(arrange);
}
else
{
component = component.Parent;
}
}
return(null);
}
protected override PDFObjectRef DoOutputToPDF(PDFRenderContext context, PDFWriter writer)
{
List <PDFObjectRef> all = new List <PDFObjectRef>();
if (context.ShouldLogDebug)
{
context.TraceLog.Begin(TraceLevel.Debug, "Link Annotation", "Outputting all required link annotations for component " + this.Component.UniqueID);
}
int pageindex = context.PageIndex;
PDFComponentArrangement arrange = this.Component.GetFirstArrangement();
int index = 1;
while (null != arrange && arrange.PageIndex == pageindex)
{
PDFObjectRef annotref = writer.BeginObject();
writer.BeginDictionary();
writer.WriteDictionaryNameEntry("Type", "Annot");
writer.WriteDictionaryNameEntry("Subtype", "Link");
if (!string.IsNullOrEmpty(this.AlternateText))
{
writer.WriteDictionaryStringEntry("Contents", this.AlternateText);
}
PDFRect bounds = arrange.RenderBounds;
if (bounds != PDFRect.Empty && bounds.Size != PDFSize.Empty)
{
if (context.DrawingOrigin == DrawingOrigin.TopLeft)
{
//PDFs have origin at bottom so need to convert.
PDFReal value = context.Graphics.GetXPosition(bounds.X.RealValue);
bounds.X = new PDFUnit(value.Value, PageUnits.Points);
value = context.Graphics.GetYPosition(bounds.Y.RealValue);
bounds.Y = new PDFUnit(value.Value, PageUnits.Points);
bounds.Width = bounds.X + bounds.Width;
bounds.Height = bounds.Y - bounds.Height;
}
else
{
bounds.Width = bounds.X + bounds.Width;
bounds.Height = bounds.Y + bounds.Height;
}
writer.BeginDictionaryEntry("Rect");
writer.WriteArrayRealEntries(bounds.X.Value, bounds.Y.Value, bounds.Width.Value, bounds.Height.Value);
writer.EndDictionaryEntry();
}
string name = this.Component.UniqueID + "_" + index.ToString();
writer.WriteDictionaryStringEntry("NM", name);
//Draw the border
StyleValue <LineType> lstyle;
/* if (this.AnnotationStyle != null && this.AnnotationStyle.TryGetValue(StyleKeys.BorderStyleKey, out lstyle) && lstyle != null && lstyle.Value != LineType.None)
* {
* PDFUnit corner = this.AnnotationStyle.GetValue(StyleKeys.BorderCornerRadiusKey, (PDFUnit)0);
* PDFUnit width = this.AnnotationStyle.GetValue(StyleKeys.BorderWidthKey, (PDFUnit)1);
* PDFColor c = this.AnnotationStyle.GetValue(StyleKeys.BorderColorKey, PDFColors.Transparent);
*
* if (c != null && width > 0)
* {
* writer.BeginDictionaryEntry("Border");
* writer.WriteArrayRealEntries(corner.PointsValue, corner.PointsValue, width.PointsValue);
* writer.EndDictionaryEntry();
*
* writer.BeginDictionaryEntry("C");
* if (c.ColorSpace == ColorSpace.G)
* writer.WriteArrayRealEntries(c.Gray.Value);
* else if (c.ColorSpace == ColorSpace.RGB)
* writer.WriteArrayRealEntries(c.Red.Value, c.Green.Value, c.Blue.Value);
* else if (context.Conformance == ParserConformanceMode.Strict)
* RecordAndRaise.ArgumentOutOfRange("c", Errors.ColorValueIsNotCurrentlySupported, c.ColorSpace);
* else
* context.TraceLog.Add(TraceLevel.Error, "Link Annotation", string.Format(Errors.ColorValueIsNotCurrentlySupported, c.ColorSpace));
*
* writer.EndDictionaryEntry();
* }
*
* }
* else
* { */
writer.BeginDictionaryEntry("Border");
//writer.WriteArrayRealEntries(1.0, 1.0, 1.0);
writer.WriteArrayRealEntries(0.0, 0.0, 0.0);
writer.EndDictionaryEntry();
//}
if (null != this.Action)
{
writer.BeginDictionaryEntry("A");
PDFObjectRef actionref = this.Action.OutputToPDF(context, writer);
if (null != actionref)
{
writer.WriteObjectRefS(actionref);
}
writer.EndDictionaryEntry();
}
writer.EndDictionary();
writer.EndObject();
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Link Annotation", "Annotation added " + name + " for bounds " + bounds + " on page " + context.PageIndex);
}
all.Add(annotref);
//If we have more than one arrangement on the object then move to the next one
if (arrange is PDFComponentMultiArrangement)
{
arrange = ((PDFComponentMultiArrangement)arrange).NextArrangement;
}
index++;
}
if (all.Count == 0)
{
if (context.ShouldLogDebug)
{
context.TraceLog.End(TraceLevel.Debug, "Link Annotation", "No required link annotations for component " + this.Component.UniqueID);
}
return(null);
}
else if (all.Count == 1)
{
return(all[0]);
}
else
{
if (context.ShouldLogDebug)
{
context.TraceLog.End(TraceLevel.Debug, "Link Annotation", "All " + all.Count + " link annotations for component " + this.Component.UniqueID + " were output");
}
PDFObjectRef array = writer.BeginObject();
writer.WriteArrayRefEntries(all.ToArray());
writer.EndObject();
return(array);
}
}
