/// <summary>
/// Overrides the default method to write a 4 element array
/// </summary>
/// <param name="writer"></param>
protected override void RenderCustomColorSpace(PDFWriter writer)
{
writer.BeginDictionaryEntry("ColorSpace");
if (null == this.Pallette || this.Pallette.Length == 0)
{
throw new NullReferenceException("Palette");
}
else
{
PDFObjectRef index = writer.BeginObject();
writer.BeginArray();
writer.BeginArrayEntry();
writer.WriteName("Indexed");
writer.EndArrayEntry();
writer.BeginArrayEntry();
ColorSpace cs = this.Pallette[0].ColorSpace;
if (cs == ColorSpace.RGB)
{
writer.WriteName("DeviceRGB");
}
else if (cs == ColorSpace.G)
{
writer.WriteName("DeviceG");
}
else
{
throw new ArgumentOutOfRangeException("Palette[0].ColorSpace");
}
writer.EndArrayEntry();
writer.BeginArrayEntry();
writer.WriteNumber(this.Pallette.Length - 1);//maximum value not number of entries
writer.EndArrayEntry();
//check the stored instance
if (null == _bytestreamdata)
{
_bytestreamdata = GetPaletteString(cs);
}
writer.BeginArrayEntry();
writer.WriteByteString(_bytestreamdata);
writer.EndArrayEntry();
writer.EndArray();
writer.EndObject();
writer.WriteObjectRef(index);
}
writer.EndDictionaryEntry();
}
private void WriteOptionalName(string name, string value, PDFRenderContext context, PDFWriter writer)
{
if (String.IsNullOrEmpty(value))
{
return;
}
else
{
writer.BeginDictionaryEntry(name);
writer.WriteName(value);
writer.EndDictionaryEntry();
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Viewer Preferences", String.Format("Output /{0} value to {1}", name, value));
}
}
}
protected void WriteFilterNames(PDFContextBase context, PDFWriter writer)
{
if (this.ShouldApplyFilters(context))
{
if (this.Filters.Length == 1)
{
writer.WriteDictionaryNameEntry("Filter", this.Filters[0].FilterName);
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Image Data", "Output Image Filter with name " + this.Filters[0].FilterName);
}
}
else
{
writer.BeginDictionaryEntry("Filter");
writer.BeginArray();
for (int i = 0; i < this.Filters.Length; i++)
{
writer.BeginArrayEntry();
writer.WriteName(this.Filters[i].FilterName);
writer.EndArrayEntry();
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Image Data", "Output Image Filter with name " + this.Filters[i].FilterName);
}
}
writer.EndArray();
writer.EndDictionaryEntry();
}
}
else
{
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Image Data", "No image filters to apply or not appropriate");
}
}
}
protected virtual PDFObjectRef OutputContent(PDFRenderContext context, PDFWriter writer)
{
PDFObjectRef oref = writer.BeginObject();
IStreamFilter[] filters = (context.Compression == OutputCompressionType.FlateDecode) ? this.PageCompressionFilters : null;
writer.BeginStream(oref, filters);
PDFPoint pt = context.Offset.Clone();
PDFSize sz = context.Space.Clone();
using (PDFGraphics g = this.CreateGraphics(writer, context.StyleStack, context))
{
context.Graphics = g;
if (null != this.HeaderBlock)
{
this.HeaderBlock.OutputToPDF(context, writer);
}
this.ContentBlock.OutputToPDF(context, writer);
if (null != this.FooterBlock)
{
this.FooterBlock.OutputToPDF(context, writer);
}
if (_outputbadge)
{
this.PaintBadgeXObj(context, writer);
}
}
context.Offset = pt;
context.Space = sz;
long len = writer.EndStream();
writer.BeginDictionary();
if (null != filters && filters.Length > 0)
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
writer.BeginDictionaryEntry("Filter");
writer.BeginArray();
foreach (IStreamFilter filter in filters)
{
writer.BeginArrayEntry();
writer.WriteName(filter.FilterName);
writer.EndArrayEntry();
}
writer.EndArray();
writer.EndDictionaryEntry();
}
else
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
}
writer.EndDictionary();
writer.EndObject();
return(oref);
}
private void WriteXObjectDictionaryContent(PDFRenderContext context, PDFWriter writer, long len, IStreamFilter[] filters)
{
writer.WriteDictionaryNameEntry("Type", "XObject");
if (!string.IsNullOrEmpty(this.SubType))
{
writer.WriteDictionaryNameEntry("Subtype", "Form");
}
writer.BeginDictionaryEntry("Matrix");
writer.WriteArrayRealEntries(PDFTransformationMatrix.Identity().Components); // this.Matrix.Components);
writer.EndDictionaryEntry();
writer.BeginDictionaryEntry("BBox");
writer.BeginArrayS();
if (this._position.ViewPort.HasValue)
{
PDFRect vp = this._position.ViewPort.Value;
writer.WriteReal(vp.X.PointsValue);
writer.WriteRealS(vp.Y.PointsValue);
writer.WriteRealS(vp.Width.PointsValue);
writer.WriteRealS(vp.Height.PointsValue);
}
else
{
writer.WriteReal(0.0F);
writer.WriteRealS(0.0F);
writer.WriteRealS(this._childContainer.Height.PointsValue);
writer.WriteRealS(this._childContainer.Height.PointsValue);
}
writer.EndArray();
writer.EndDictionaryEntry();
PDFObjectRef res = this._resources.WriteResourceList(context, writer);
if (null != res)
{
writer.WriteDictionaryObjectRefEntry("Resources", res);
}
if (null != filters && filters.Length > 0)
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
writer.BeginDictionaryEntry("Filter");
writer.BeginArray();
foreach (IStreamFilter filter in filters)
{
writer.BeginArrayEntry();
writer.WriteName(filter.FilterName);
writer.EndArrayEntry();
}
writer.EndArray();
writer.EndDictionaryEntry();
}
else
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
}
}
//
// methods
//
#region public PDFObjectRef OutputToPDF(PDFWriter writer, PDFRenderContext context)
/// <summary>
/// Renderes this destination within the current PDFObject stream of the provided writer.
/// </summary>
/// <param name="context"></param>
/// <param name="writer"></param>
/// <returns></returns>
public PDFObjectRef OutputToPDF(PDFRenderContext context, PDFWriter writer)
{
PDFComponentArrangement arrange;
arrange = this.GetFirstArrangementInTree(this.Component);
if (null == arrange)
{
//The component does not have an arrangement so cannot output the destination
writer.WriteNullS();
if (context.TraceLog.ShouldLog(TraceLevel.Warning))
{
context.TraceLog.Add(TraceLevel.Warning, "Destination", "Destination to component " + this.Component.UniqueID + " cannot be written as it has no arrangement");
}
return(null);
}
int pgindex = arrange.PageIndex;
PDFObjectRef oref = writer.PageRefs[pgindex];
if (null == oref)
{
//No page, so cannot output the destination
writer.WriteNullS();
if (context.TraceLog.ShouldLog(TraceLevel.Warning))
{
context.TraceLog.Add(TraceLevel.Warning, "Destination", "Destination to component " + this.Component.UniqueID + " cannot be written as it has no page reference");
}
return(null);
}
writer.BeginArray();
//Write the page reference
writer.BeginArrayEntry();
writer.WriteObjectRef(oref);
writer.EndArrayEntry();
//Write the page fit method
switch (this.Fit)
{
case OutlineFit.FullPage:
writer.BeginArrayEntry();
writer.WriteName("Fit");
writer.EndArrayEntry();
break;
case OutlineFit.PageWidth:
writer.BeginArrayEntry();
writer.WriteName("FitH");
writer.EndArrayEntry();
break;
case OutlineFit.PageHeight:
writer.BeginArrayEntry();
writer.WriteName("FitV");
writer.EndArrayEntry();
break;
case OutlineFit.BoundingBox:
writer.BeginArrayEntry();
writer.WriteName("FitR");
writer.EndArrayEntry();
PDFReal left = arrange.RenderBounds.X.RealValue;
PDFReal top = arrange.RenderBounds.Y.RealValue;
PDFReal right = left + arrange.RenderBounds.Width.RealValue;
PDFReal bottom = top + arrange.RenderBounds.Height.RealValue;
left = context.Graphics.GetXPosition(left);
right = context.Graphics.GetXPosition(right);
top = context.Graphics.GetYPosition(top);
bottom = context.Graphics.GetYPosition(bottom);
if (bottom < top)
{
PDFReal temp = top;
top = bottom;
bottom = temp;
}
if (left > right)
{
PDFReal temp = left;
left = right;
right = temp;
}
writer.BeginArrayEntry();
left.WriteData(writer);
writer.EndArrayEntry();
writer.BeginArrayEntry();
bottom.WriteData(writer);
writer.EndArrayEntry();
writer.BeginArrayEntry();
right.WriteData(writer);
writer.EndArrayEntry();
writer.BeginArrayEntry();
top.WriteData(writer);
writer.EndArrayEntry();
break;
default:
break;
}
writer.EndArray();
if (context.ShouldLogVerbose)
{
context.TraceLog.Add(TraceLevel.Verbose, "Destination", "Added a destination to component " + this.Component.UniqueID + " with first arrangment on page " + pgindex + " (" + oref + ") with size fit of " + this.Fit);
}
return(null);
}
//
// methods
//
#region protected override PDFObjectRef DoRenderToPDF(PDFContextBase context, PDFWriter writer)
/// <summary>
/// Renders the tiling image
/// </summary>
/// <param name="context"></param>
/// <param name="writer"></param>
/// <returns></returns>
protected override PDFObjectRef DoRenderToPDF(PDFContextBase context, PDFWriter writer)
{
IStreamFilter[] filters = writer.DefaultStreamFilters;
PDFObjectRef pattern = writer.BeginObject();
writer.BeginDictionary();
writer.WriteDictionaryNameEntry("Type", "Pattern");
writer.WriteDictionaryNumberEntry("PatternType", (int)this.PatternType);
writer.WriteDictionaryNumberEntry("PaintType", (int)this.PaintType);
writer.WriteDictionaryNumberEntry("TilingType", (int)this.TilingType);
writer.BeginDictionaryEntry("BBox");
PDFPoint offset = new PDFPoint(this.Start.X, this.Start.Y - this.ImageSize.Height);// this.Start;
PDFSize size = this.ImageSize;
PDFSize graphicsSize = new PDFSize(size.Width + offset.X, size.Height + offset.Y);
writer.WriteArrayRealEntries(true, offset.X.PointsValue,
offset.Y.PointsValue,
offset.X.PointsValue + size.Width.PointsValue,
offset.Y.PointsValue + size.Height.PointsValue);
writer.EndDictionaryEntry();
writer.WriteDictionaryRealEntry("XStep", this.Step.Width.PointsValue);
writer.WriteDictionaryRealEntry("YStep", this.Step.Height.PointsValue);
PDFObjectRef all = this.Resources.WriteResourceList(context, writer);
writer.WriteDictionaryObjectRefEntry("Resources", all);
writer.BeginStream(pattern);
using (PDFGraphics g = PDFGraphics.Create(writer, false, this, DrawingOrigin.TopLeft,
graphicsSize, context))
{
offset = new PDFPoint(offset.X, 0.0);
g.PaintImageRef(this.Image, size, offset);
}
long len = writer.EndStream();
if (null != filters && filters.Length > 0)
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
writer.BeginDictionaryEntry("Filter");
writer.BeginArray();
foreach (IStreamFilter filter in filters)
{
writer.BeginArrayEntry();
writer.WriteName(filter.FilterName);
writer.EndArrayEntry();
}
writer.EndArray();
writer.EndDictionaryEntry();
}
else
{
writer.BeginDictionaryEntry("Length");
writer.WriteNumberS(len);
writer.EndDictionaryEntry();
}
writer.EndDictionary();
writer.EndObject();
return(pattern);
}