public void AddXObject(PdfXObject xObject)
{
xObjects.Add(xObject.Name, xObject.GetReference());
}
protected internal override void Write(PdfWriter writer)
{
PdfDictionary dict = new PdfDictionary();
if (parent == null)
{
// root Outlines object
if (first != null && last != null)
{
dict.Add(PdfName.Names.First, first.GetReference());
dict.Add(PdfName.Names.Last, last.GetReference());
}
}
else
{
dict.Add(PdfName.Names.Title, new PdfString(title));
dict.Add(PdfName.Names.Parent, parent.GetReference());
if (first != null && last != null)
{
dict.Add(PdfName.Names.First, first.GetReference());
dict.Add(PdfName.Names.Last, last.GetReference());
}
if (prev != null)
{
dict.Add(PdfName.Names.Prev, prev.GetReference());
}
if (next != null)
{
dict.Add(PdfName.Names.Next, next.GetReference());
}
if (count > 0)
{
dict.Add(PdfName.Names.Count, new PdfNumeric(count));
}
if (actionRef != null)
{
dict.Add(PdfName.Names.A, actionRef);
}
}
writer.Write(dict);
}
public void AddFont(PdfFont font)
{
fonts.Add(font.Name, font.GetReference());
}
public void Add(string name, PdfIndirectObjectReference reference)
{
_dictionary.Add(name, reference);
}
public async Task WriterTest()
{
var documentCatalogDict = new PdfDictionary();
var documentCatalog = new PdfIndirectObject(documentCatalogDict);
var infoDict = new PdfDictionary();
var info = new PdfIndirectObject(infoDict);
var pageTreeDict = new PdfDictionary();
var pageTree = new PdfIndirectObject(pageTreeDict);
var pageReferences = new PdfArray();
documentCatalogDict.Add("Type", new PdfName("Catalog"));
documentCatalogDict.Add("Pages", new PdfIndirectObjectReference(pageTree));
infoDict.Add("Producer", "LittlePdf");
infoDict.Add("CreationDate", new PdfDate(DateTime.UtcNow));
infoDict.Add("ModDate", new PdfDate(DateTime.UtcNow));
infoDict.Add("Title", new PdfString("Test Pdf"));
infoDict.Add("Author", new PdfString("Salil Ponde"));
pageTreeDict.Add("Type", new PdfName("Pages"));
pageTreeDict.Add("Kids", pageReferences);
pageTreeDict.Add("Count", new PdfInteger(0));
pageTreeDict.Add("MediaBox", new PdfArray(new List <PdfObject> {
new PdfReal(0), new PdfReal(0), new PdfReal(595), new PdfReal(842)
}));
var font1Dict = new PdfDictionary();
var font1 = new PdfIndirectObject(font1Dict);
font1Dict.Add("Type", new PdfName("Font"));
font1Dict.Add("Subtype", new PdfName("Type1"));
font1Dict.Add("BaseFont", new PdfName("Helvetica-Oblique"));
font1Dict.Add("Encoding", new PdfName("WinAnsiEncoding"));
var fontsDict = new PdfDictionary();
var resourcesDict = new PdfDictionary();
resourcesDict.Add("Font", fontsDict);
fontsDict.Add("F1", new PdfIndirectObjectReference(font1));
pageTreeDict.Add("Resources", resourcesDict);
var pageDict = new PdfDictionary();
var page = new PdfIndirectObject(pageDict);
pageReferences.Add(new PdfIndirectObjectReference(page));
pageDict.Add("Type", new PdfName("Page"));
pageDict.Add("Parent", new PdfIndirectObjectReference(pageTree));
//var c = Encoding.ASCII.GetBytes("0.9 0.5 0.0 rg q 10 10 m 500 10 l 5 w [3] 0 d S Q 500 10 m 500 500 l S ");
var c = Encoding.ASCII.GetBytes("BT /F1 24 Tf 100 742 Td (Hey, this is amazing!) Tj ET ");
var pageContentStream = new PdfStream(c);
var pageContent = new PdfIndirectObject(pageContentStream);
pageDict.Add("Contents", new PdfIndirectObjectReference(pageContent));
var page2Dict = new PdfDictionary();
var page2 = new PdfIndirectObject(page2Dict);
pageReferences.Add(new PdfIndirectObjectReference(page2));
page2Dict.Add("Type", new PdfName("Page"));
page2Dict.Add("Parent", new PdfIndirectObjectReference(pageTree));
page2Dict.Add("MediaBox", new PdfArray(new List <PdfObject> {
new PdfReal(0), new PdfReal(0), new PdfReal(842), new PdfReal(595)
}));
// Write
var fileName = @"c:\temp\ddd.pdf";
File.Delete(fileName);
var stream = File.Create(fileName);
var writer = new PdfWriter(stream);
await writer.WriteAsync(documentCatalog);
await writer.WriteAsync(info);
await writer.WriteAsync(pageTree);
await writer.WriteAsync(font1);
await writer.WriteAsync(page);
await writer.WriteAsync(pageContent);
await writer.WriteAsync(page2);
await writer.CloseAsync(documentCatalog, info);
}
/// <summary>
/// Gets the image.
/// </summary>
/// <returns></returns>
private Image GetImage()
{
Image image;
this.LoadImage();
int num = 0;
int num2 = 0;
this.palShades = false;
if (this.trans != null)
{
for (int i = 0; i < this.trans.Length; i++)
{
int num4 = this.trans[i] & 0xff;
if (num4 == 0)
{
num++;
num2 = i;
}
if ((num4 != 0) && (num4 != 0xff))
{
this.palShades = true;
break;
}
}
}
if ((this.colorType & 4) != 0)
{
this.palShades = true;
}
this.genBWMask = !this.palShades && ((num > 1) || (this.transRedGray >= 0));
if ((!this.palShades && !this.genBWMask) && (num == 1))
{
this.properties.Add(PdfName.Mask, PdfArray.Convert(new int[] { num2, num2 }));
}
bool flag = (((this.interlaceMethod == 1) || (this.bitDepth == 0x10)) || (((this.colorType & 4) != 0) || this.palShades)) || this.genBWMask;
switch (this.colorType)
{
case 0:
this.inputBands = 1;
break;
case 2:
this.inputBands = 3;
break;
case 3:
this.inputBands = 1;
break;
case 4:
this.inputBands = 2;
break;
case 6:
this.inputBands = 4;
break;
}
if (flag)
{
this.DecodeIdat();
}
int inputBands = this.inputBands;
if ((this.colorType & 4) != 0)
{
inputBands--;
}
int bitDepth = this.bitDepth;
if (bitDepth == 0x10)
{
bitDepth = 8;
}
if (this.image != null)
{
image = new RawImage(this.width, this.height, inputBands, bitDepth, this.image);
}
else
{
RawImage image2 = new RawImage(this.width, this.height, inputBands, bitDepth, this.idat.ToArray())
{
Deflated = true
};
image = image2;
PdfDictionary dictionary2 = new PdfDictionary();
dictionary2.Add(PdfName.BitsPerComponent, new PdfNumber((double)this.bitDepth));
dictionary2.Add(PdfName.Predictor, new PdfNumber(15.0));
dictionary2.Add(PdfName.Columns, new PdfNumber((double)this.width));
dictionary2.Add(PdfName.Colors, new PdfNumber(((this.colorType == 3) || ((this.colorType & 2) == 0)) ? ((double)1) : ((double)3)));
PdfDictionary dictionary = dictionary2;
this.properties.Add(PdfName.DecodeParms, dictionary);
}
if (!this.properties.ContainsKey(PdfName.ColorSpace))
{
this.properties.Add(PdfName.ColorSpace, this.GetColorspace());
}
if (this.intent != null)
{
this.properties.Add(PdfName.Intent, this.intent);
}
if (this.properties.Count > 0)
{
image.Properties = this.properties;
}
if (this.palShades)
{
Image image3 = new RawImage(this.width, this.height, 1, 8, this.smask);
image3.MakeMask();
image.ImageMask = image3;
}
if (this.genBWMask)
{
Image image4 = new RawImage(this.width, this.height, 1, 1, this.smask);
image4.MakeMask();
image.ImageMask = image4;
}
image.SetDpi(this.dpiX, this.dpiY);
image.XYRatio = this.XYRatio;
image.OriginalType = ImageType.PNG;
return(image);
}
/// <summary>
/// Gets the colorspace.
/// </summary>
/// <returns></returns>
private PdfObjectBase GetColorspace()
{
if ((this.gamma == 1f) && !this.hasCHRM)
{
if ((this.colorType & 2) != 0)
{
return(PdfName.DeviceRGB);
}
return(PdfName.DeviceGray);
}
PdfArray array = new PdfArray();
PdfDictionary item = new PdfDictionary();
if ((this.colorType & 2) == 0)
{
if (this.gamma == 1f)
{
return(PdfName.DeviceGray);
}
array.Add(PdfName.CalGray);
item.Add(PdfName.Gamma, new PdfNumber((double)this.gamma));
item.Add(PdfName.WhitePoint, PdfArray.Convert(new int[] { 1, 1, 1 }));
array.Add(item);
return(array);
}
PdfArray array2 = PdfArray.Convert(new int[] { 1, 1, 1 });
array.Add(PdfName.CalRGB);
if (this.gamma != 1f)
{
PdfArray array3 = new PdfArray();
PdfNumber number = new PdfNumber((double)this.gamma);
array3.Add(number);
array3.Add(number);
array3.Add(number);
item.Add(PdfName.Gamma, array3);
}
if (this.hasCHRM)
{
float num = this.yW * ((((this.xG - this.xB) * this.yR) - ((this.xR - this.xB) * this.yG)) + ((this.xR - this.xG) * this.yB));
float num2 = (this.yR * ((((this.xG - this.xB) * this.yW) - ((this.xW - this.xB) * this.yG)) + ((this.xW - this.xG) * this.yB))) / num;
float num3 = (num2 * this.xR) / this.yR;
float num4 = num2 * (((1f - this.xR) / this.yR) - 1f);
float num5 = (-this.yG * ((((this.xR - this.xB) * this.yW) - ((this.xW - this.xB) * this.yR)) + ((this.xW - this.xR) * this.yB))) / num;
float num6 = (num5 * this.xG) / this.yG;
float num7 = num5 * (((1f - this.xG) / this.yG) - 1f);
float num8 = (this.yB * ((((this.xR - this.xG) * this.yW) - ((this.xW - this.xG) * this.yW)) + ((this.xW - this.xR) * this.yG))) / num;
float num9 = (num8 * this.xB) / this.yB;
float num10 = num8 * (((1f - this.xB) / this.yB) - 1f);
float num11 = (num3 + num6) + num9;
float num12 = (num4 + num7) + num10;
array2 = new PdfArray {
new PdfNumber((double)num11),
new PdfNumber(1.0),
new PdfNumber((double)num12)
};
PdfArray array5 = new PdfArray {
new PdfNumber((double)num3),
new PdfNumber((double)num2),
new PdfNumber((double)num4),
new PdfNumber((double)num6),
new PdfNumber((double)num5),
new PdfNumber((double)num7),
new PdfNumber((double)num9),
new PdfNumber((double)num8),
new PdfNumber((double)num10)
};
item.Add(PdfName.Matrix, array5);
}
item.Add(PdfName.WhitePoint, array2);
array.Add(item);
return(array);
}
public override async Task WriteAsync(Stream stream)
{
var pdfDictionary = new PdfDictionary();
pdfDictionary.Add(PdfSpec.Names.Type, _type);
if (FontName != null)
{
pdfDictionary.Add("FontName", FontName);
}
if (Flags != null)
{
pdfDictionary.Add("Flags", Flags);
}
if (ItalicAngle != null)
{
pdfDictionary.Add("Encoding", ItalicAngle);
}
if (Ascent != null)
{
pdfDictionary.Add("Ascent", Ascent);
}
if (Descent != null)
{
pdfDictionary.Add("Descent", Descent);
}
if (CapHeight != null)
{
pdfDictionary.Add("CapHeight", CapHeight);
}
if (AvgWidth != null)
{
pdfDictionary.Add("AvgWidth", AvgWidth);
}
if (MaxWidth != null)
{
pdfDictionary.Add("MaxWidth", MaxWidth);
}
if (FontWeight != null)
{
pdfDictionary.Add("FontWeight", FontWeight);
}
if (XHeight != null)
{
pdfDictionary.Add("XHeight", XHeight);
}
if (StemV != null)
{
pdfDictionary.Add("StemV", StemV);
}
if (FontBBox != null)
{
pdfDictionary.Add("FontBBox", FontBBox);
}
if (FontFile2 != null)
{
pdfDictionary.Add("FontFile2", FontFile2);
}
Value = pdfDictionary;
await base.WriteAsync(stream);
}