private PDFObjectRef RenderAlpaImageData(PDFContextBase context, PDFWriter writer)
{
context.TraceLog.Add(TraceLevel.Debug, "IMAGE", "Rendering image alpha mask");
PDFObjectRef mask = writer.BeginObject();
writer.BeginDictionary();
writer.WriteDictionaryNameEntry("Type", "XObject");
writer.WriteDictionaryNameEntry("Subtype", "Image");
writer.WriteDictionaryNumberEntry("Width", this.PixelWidth);
writer.WriteDictionaryNumberEntry("Height", this.PixelHeight);
//writer.WriteDictionaryNumberEntry("Length", this.AlphaData.LongLength);
writer.WriteDictionaryNameEntry("ColorSpace", "DeviceGray");
writer.WriteDictionaryNumberEntry("BitsPerComponent", 8);
this.WriteFilterNames(context, writer);
//writer.EndDictionary();
writer.BeginStream(mask);
byte[] data;
if (this.HasFilter && this.ShouldApplyFilters(context))
{
data = this.GetAlphaFilteredData(this.Filters, context);
if (null == data)
{
data = this.ApplyFiltersToData(this.AlphaData, context);
this.SetAlphaFilteredData(this.Filters, data, context);
}
}
else
{
data = this.AlphaData;
}
writer.WriteRaw(data, 0, data.Length);
writer.EndStream();
//inserted 15/01/15 - Write the filtered length, not the actua image data length to the dictionary.
writer.WriteDictionaryNumberEntry("Length", data.Length);
writer.EndDictionary();
//end of insert
writer.EndObject();
return(mask);
}
internal PDFObjectRef Render(PDFName name, PDFContextBase context, PDFWriter writer)
{
if (context.ShouldLogDebug)
{
context.TraceLog.Begin(TraceLevel.Message, "Image Data", "Rendering image data for '" + name.ToString() + "'");
}
PDFObjectRef renderref = writer.BeginObject(name.Value);
writer.BeginDictionaryS();
writer.WriteDictionaryNameEntry("Name", name.Value);
writer.WriteDictionaryNameEntry("Type", "XObject");
writer.WriteDictionaryNameEntry("Subtype", "Image");
RenderImageInformation(context, writer);
//writer.EndDictionary(); //- commented for data length fix
writer.BeginStream(renderref);
int length = this.RenderImageStreamData(context, writer);
writer.EndStream();
//Added for Data Length fix HRB 15/01/2015
writer.WriteDictionaryNumberEntry("Length", length);
writer.EndDictionary();
//End of add
writer.EndObject();
if (context.ShouldLogDebug)
{
context.TraceLog.End(TraceLevel.Message, "Image Data", "Completed render of the image data for '" + name + "' with source " + this.SourcePath);
}
else
{
context.TraceLog.Add(TraceLevel.Message, "Image Data", "Rendered the image data for '" + name.ToString() + "' with source " + this.SourcePath);
}
return(renderref);
}
/// <summary>
/// This will render the actual content of the XObject graphical content in a new object reference.
/// This can then be referred to.
/// </summary>
/// <param name="context"></param>
/// <param name="writer"></param>
/// <returns></returns>
private PDFObjectRef OutputContent(PDFRenderContext context, PDFWriter writer)
{
PDFObjectRef xObject = writer.BeginObject();
IStreamFilter[] filters = (context.Compression == OutputCompressionType.FlateDecode) ? this._page.PageCompressionFilters : null;
writer.BeginStream(xObject, filters);
this.Location = context.Offset.Offset(0, this.Line.OffsetY);
PDFSize origSpace = context.Space.Clone();
PDFGraphics prevGraphics = context.Graphics;
using (PDFGraphics g = this.CreateGraphics(writer, context.StyleStack, context))
{
context.Graphics = g;
g.SaveGraphicsState();
g.RestoreGraphicsState();
context.Offset = Drawing.PDFPoint.Empty;
this._childContainer.OutputToPDF(context, writer);
}
context.Offset = this.Location;
context.Space = origSpace;
context.Graphics = prevGraphics;
long len = writer.EndStream();
writer.BeginDictionary();
this.WriteXObjectDictionaryContent(context, writer, len, filters);
writer.EndDictionary();
writer.EndObject();
return(xObject);
}
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);
}
//
// 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);
}
public PDFObjectRef RenderToPDF(string fullname, PDFContextBase context, PDFWriter writer)
{
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Font Descriptor", "Rendering the font descriptor information");
}
PDFObjectRef oref = writer.BeginObject();
writer.BeginDictionary();
writer.WriteDictionaryNameEntry("Type", "FontDescriptor");
writer.WriteDictionaryNameEntry("FontName", fullname);
if (this.FontFamily != String.Empty)
{
writer.WriteDictionaryStringEntry("FontFamily", this.FontFamily);
}
if (this.BoundingBox != null && this.BoundingBox.Length > 0)
{
writer.BeginDictionaryEntry("FontBBox");
writer.WriteArrayNumberEntries(this.BoundingBox);
writer.EndDictionaryEntry();
}
if (this.FontStretch != FontStretch.Normal)
{
writer.WriteDictionaryStringEntry("FontStretch", this.FontStretch.ToString());
}
if (this.Weight != 400)
{
writer.WriteDictionaryNumberEntry("FontWeight", this.Weight);
}
writer.WriteDictionaryNumberEntry("FontWeight", 700);
writer.WriteDictionaryNumberEntry("Flags", (int)this.Flags);
writer.WriteDictionaryNumberEntry("Ascent", (int)(this.Ascent * 0.6));
writer.WriteDictionaryNumberEntry("Descent", this.Descent);
//if (this.Leading != 0.0)
// writer.WriteDictionaryNumberEntry("Leading", this.Leading);
if (this.CapHeight != 0.0)
{
writer.WriteDictionaryNumberEntry("CapHeight", this.CapHeight);
}
if (this.XHeight != 0.0)
{
writer.WriteDictionaryNumberEntry("XHeight", this.XHeight);
}
writer.WriteDictionaryNumberEntry("StemV", this.StemV);
writer.WriteDictionaryNumberEntry("ItalicAngle", this.ItalicAngle);
if (this.StemH != 0.0)
{
writer.WriteDictionaryNumberEntry("StemH", this.StemH);
}
if (this.AvgWidth != 0.0)
{
writer.WriteDictionaryNumberEntry("AvgWidth", this.AvgWidth);
}
if (this.MaxWidth != 0.0)
{
writer.WriteDictionaryNumberEntry("MaxWidth", this.MaxWidth);
}
if (this.MissingWidth != 0.0)
{
writer.WriteDictionaryNumberEntry("MissingWidth", this.MissingWidth);
}
if (this.FontFile != null)
{
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Font Descriptor", "Rendering the font descriptor font file");
}
byte[] outputdata = this.FontFile;
string filter = null;
if (context.Compression == OutputCompressionType.FlateDecode)
{
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Font Descriptor", "Ensuring the font data is compressed");
}
outputdata = this.FilteredFontFile;
filter = this.FilterName;
}
PDFObjectRef fileref = writer.BeginObject();
writer.BeginDictionary();
writer.WriteDictionaryNumberEntry("Length", outputdata.Length);
if (this.FontType == FontType.TrueType)
{
writer.WriteDictionaryNumberEntry("Length1", this.FontFile.Length);
}
else
{
throw new ArgumentOutOfRangeException("FontType");
}
if (!string.IsNullOrEmpty(filter))
{
writer.WriteDictionaryNameEntry("Filter", this.FilterName);
}
writer.EndDictionary();
writer.BeginStream(fileref);
writer.WriteRaw(outputdata, 0, outputdata.Length);
writer.EndStream();
writer.EndObject();
//We know this is a true type font program from above
writer.WriteDictionaryObjectRefEntry("FontFile2", fileref);
}
writer.EndDictionary();
writer.EndObject();
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Font Descriptor", "Completed font descriptor");
}
return(oref);
}
