internal void RegisterAsComposite(
PDF pdf,
Font font,
Stream inputStream,
bool embed)
{
otf = new OTF(inputStream);
if (embed) {
EmbedFontFile(pdf, font, otf, false);
}
AddFontDescriptorObject(pdf, font, otf, embed);
AddCIDFontDictionaryObject(pdf, font, otf);
AddToUnicodeCMapObject(pdf, font, otf);
// Type0 Font Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
pdf.Append(otf.fontName);
pdf.Append('\n');
pdf.Append("/Encoding /Identity-H\n");
pdf.Append("/DescendantFonts [");
pdf.Append(font.GetCidFontDictObjNumber());
pdf.Append(" 0 R]\n");
pdf.Append("/ToUnicode ");
pdf.Append(font.GetToUnicodeCMapObjNumber());
pdf.Append(" 0 R\n");
pdf.Append(">>\n");
pdf.Endobj();
font.objNumber = pdf.objNumber;
}
internal static void Register(
PDF pdf,
Font font,
Stream inputStream)
{
font.name = DejaVuLGCSerif.name;
font.unitsPerEm = DejaVuLGCSerif.unitsPerEm;
font.bBoxLLx = DejaVuLGCSerif.bBoxLLx;
font.bBoxLLy = DejaVuLGCSerif.bBoxLLy;
font.bBoxURx = DejaVuLGCSerif.bBoxURx;
font.bBoxURy = DejaVuLGCSerif.bBoxURy;
font.ascent = DejaVuLGCSerif.ascent;
font.descent = DejaVuLGCSerif.descent;
font.capHeight = DejaVuLGCSerif.capHeight;
font.firstChar = DejaVuLGCSerif.firstChar;
font.lastChar = DejaVuLGCSerif.lastChar;
font.underlinePosition = DejaVuLGCSerif.underlinePosition;
font.underlineThickness = DejaVuLGCSerif.underlineThickness;
font.compressed_size = DejaVuLGCSerif.compressed_size;
font.uncompressed_size = DejaVuLGCSerif.uncompressed_size;
font.advanceWidth = DecodeRLE(DejaVuLGCSerif.advanceWidth);
font.glyphWidth = DecodeRLE(DejaVuLGCSerif.glyphWidth);
font.unicodeToGID = DecodeRLE(DejaVuLGCSerif.unicodeToGID);
EmbedFontFile(pdf, font, inputStream);
AddFontDescriptorObject(pdf, font);
AddCIDFontDictionaryObject(pdf, font);
AddToUnicodeCMapObject(pdf, font);
// Type0 Font Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
pdf.Append(font.name);
pdf.Append('\n');
pdf.Append("/Encoding /Identity-H\n");
pdf.Append("/DescendantFonts [");
pdf.Append(font.GetCidFontDictObjNumber());
pdf.Append(" 0 R]\n");
pdf.Append("/ToUnicode ");
pdf.Append(font.GetToUnicodeCMapObjNumber());
pdf.Append(" 0 R\n");
pdf.Append(">>\n");
pdf.Endobj();
font.objNumber = pdf.objNumber;
}
private static void AddFontDescriptorObject(PDF pdf, Font font)
{
float factor = 1000f / font.unitsPerEm;
for (int i = 0; i < pdf.fonts.Count; i++)
{
Font f = pdf.fonts[i];
if (f.name.Equals(font.name) && f.GetFontDescriptorObjNumber() != -1)
{
font.SetFontDescriptorObjNumber(f.GetFontDescriptorObjNumber());
return;
}
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /FontDescriptor\n");
pdf.Append("/FontName /");
pdf.Append(font.name);
pdf.Append('\n');
pdf.Append("/FontFile2 ");
pdf.Append(font.fileObjNumber);
pdf.Append(" 0 R\n");
pdf.Append("/Flags 32\n");
pdf.Append("/FontBBox [");
pdf.Append(font.bBoxLLx * factor);
pdf.Append(' ');
pdf.Append(font.bBoxLLy * factor);
pdf.Append(' ');
pdf.Append(font.bBoxURx * factor);
pdf.Append(' ');
pdf.Append(font.bBoxURy * factor);
pdf.Append("]\n");
pdf.Append("/Ascent ");
pdf.Append(font.ascent * factor);
pdf.Append('\n');
pdf.Append("/Descent ");
pdf.Append(font.descent * factor);
pdf.Append('\n');
pdf.Append("/ItalicAngle 0\n");
pdf.Append("/CapHeight ");
pdf.Append(font.capHeight * factor);
pdf.Append('\n');
pdf.Append("/StemV 79\n");
pdf.Append(">>\n");
pdf.Endobj();
font.SetFontDescriptorObjNumber(pdf.objNumber);
}
private static void EmbedFontFile(PDF pdf, Font font, Stream inputStream)
{
// Check if the font file is already embedded
for (int i = 0; i < pdf.fonts.Count; i++)
{
Font f = pdf.fonts[i];
if (f.name.Equals(font.name) && f.fileObjNumber != -1)
{
font.fileObjNumber = f.fileObjNumber;
return;
}
}
/*
* int metadataObjNumber = pdf.AddMetadataObject(DejaVu.FONT_LICENSE, true);
*/
pdf.Newobj();
pdf.Append("<<\n");
/*
* pdf.Append("/Metadata ");
* pdf.Append(metadataObjNumber);
* pdf.Append(" 0 R\n");
*/
pdf.Append("/Filter /FlateDecode\n");
pdf.Append("/Length ");
pdf.Append(font.compressed_size);
pdf.Append("\n");
pdf.Append("/Length1 ");
pdf.Append(font.uncompressed_size);
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
byte[] buf = new byte[2048];
int len;
while ((len = inputStream.Read(buf, 0, buf.Length)) > 0)
{
pdf.Append(buf, 0, len);
}
inputStream.Dispose();
pdf.Append("\nendstream\n");
pdf.Endobj();
font.fileObjNumber = pdf.objNumber;
}
private static void AddCIDFontDictionaryObject(PDF pdf, Font font)
{
for (int i = 0; i < pdf.fonts.Count; i++)
{
Font f = pdf.fonts[i];
if (f.name.Equals(font.name) && f.GetCidFontDictObjNumber() != -1)
{
font.SetCidFontDictObjNumber(f.GetCidFontDictObjNumber());
return;
}
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /CIDFontType2\n");
pdf.Append("/BaseFont /");
pdf.Append(font.name);
pdf.Append('\n');
pdf.Append("/CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>>\n");
pdf.Append("/FontDescriptor ");
pdf.Append(font.GetFontDescriptorObjNumber());
pdf.Append(" 0 R\n");
pdf.Append("/DW ");
pdf.Append((int)
((1000f / font.unitsPerEm) * font.advanceWidth[0]));
pdf.Append('\n');
pdf.Append("/W [0[\n");
for (int i = 0; i < font.advanceWidth.Length; i++)
{
pdf.Append((int)
((1000f / font.unitsPerEm) * font.advanceWidth[i]));
if ((i + 1) % 10 == 0)
{
pdf.Append('\n');
}
else
{
pdf.Append(' ');
}
}
pdf.Append("]]\n");
pdf.Append("/CIDToGIDMap /Identity\n");
pdf.Append(">>\n");
pdf.Endobj();
font.SetCidFontDictObjNumber(pdf.objNumber);
}
private static void AddCIDFontDictionaryObject(PDF pdf, Font font)
{
foreach (Font f in pdf.fonts)
{
if (f.cidFontDictObjNumber != 0 && f.name.Equals(font.name))
{
font.cidFontDictObjNumber = f.cidFontDictObjNumber;
return;
}
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
if (font.cff)
{
pdf.Append("/Subtype /CIDFontType0\n");
}
else
{
pdf.Append("/Subtype /CIDFontType2\n");
}
pdf.Append("/BaseFont /");
pdf.Append(font.name);
pdf.Append('\n');
pdf.Append("/CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>>\n");
pdf.Append("/FontDescriptor ");
pdf.Append(font.fontDescriptorObjNumber);
pdf.Append(" 0 R\n");
pdf.Append("/DW ");
pdf.Append((int)
((1000f / font.unitsPerEm) * font.advanceWidth[0]));
pdf.Append('\n');
pdf.Append("/W [0[\n");
for (int i = 0; i < font.advanceWidth.Length; i++)
{
pdf.Append((int)
((1000f / font.unitsPerEm) * font.advanceWidth[i]));
pdf.Append(' ');
}
pdf.Append("]]\n");
pdf.Append("/CIDToGIDMap /Identity\n");
pdf.Append(">>\n");
pdf.Endobj();
font.cidFontDictObjNumber = pdf.GetObjNumber();
}
private void AddEncodingObject(
PDF pdf,
Font font,
int codePage)
{
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Encoding\n");
pdf.Append("/BaseEncoding /WinAnsiEncoding\n");
pdf.Append("/Differences [127\n");
for (int i = 0; i < 129; i++)
{
if (codePage == 0)
{
pdf.Append(CP1250.names[i]);
}
else if (codePage == 1)
{
pdf.Append(CP1251.names[i]);
}
else if (codePage == 2)
{
pdf.Append(CP1252.names[i]);
}
else if (codePage == 3)
{
pdf.Append(CP1253.names[i]);
}
else if (codePage == 4)
{
pdf.Append(CP1254.names[i]);
}
else if (codePage == 7)
{
pdf.Append(CP1257.names[i]);
}
pdf.Append(' ');
}
pdf.Append("]\n");
pdf.Append(">>\n");
pdf.Endobj();
font.SetEncodingObjNumber(pdf.objNumber);
}
internal void RegisterAsComposite(
PDF pdf,
Font font,
Stream inputStream,
bool embed)
{
otf = new OTF(inputStream);
if (embed)
{
EmbedFontFile(pdf, font, otf, false);
}
AddFontDescriptorObject(pdf, font, otf, embed);
AddCIDFontDictionaryObject(pdf, font, otf);
AddToUnicodeCMapObject(pdf, font, otf);
// Type0 Font Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
pdf.Append(otf.fontName);
pdf.Append('\n');
pdf.Append("/Encoding /Identity-H\n");
pdf.Append("/DescendantFonts [");
pdf.Append(font.GetCidFontDictObjNumber());
pdf.Append(" 0 R]\n");
pdf.Append("/ToUnicode ");
pdf.Append(font.GetToUnicodeCMapObjNumber());
pdf.Append(" 0 R\n");
pdf.Append(">>\n");
pdf.Endobj();
font.objNumber = pdf.objNumber;
}
private void AddCoreFont(PDF pdf, CoreFont coreFont)
{
StandardFont font = StandardFont.GetInstance(coreFont);
this.name = font.name;
this.bBoxLLx = font.bBoxLLx;
this.bBoxLLy = font.bBoxLLy;
this.bBoxURx = font.bBoxURx;
this.bBoxURy = font.bBoxURy;
this.fontUnderlinePosition = font.underlinePosition;
this.fontUnderlineThickness = font.underlineThickness;
this.metrics = font.metrics;
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type1\n");
pdf.Append("/BaseFont /");
pdf.Append(this.name);
pdf.Append('\n');
if (!this.name.Equals("Symbol") && !this.name.Equals("ZapfDingbats"))
{
pdf.Append("/Encoding /WinAnsiEncoding\n");
}
pdf.Append(">>\n");
pdf.Endobj();
objNumber = pdf.objNumber;
ascent = bBoxURy * size / unitsPerEm;
descent = bBoxLLy * size / unitsPerEm;
body_height = ascent - descent;
underlineThickness = fontUnderlineThickness * size / unitsPerEm;
underlinePosition = fontUnderlinePosition * size / -unitsPerEm + underlineThickness / 2.0f;
pdf.fonts.Add(this);
}
internal void RegisterAsSimple(
PDF pdf,
Font font,
Stream inputStream,
int codePage,
bool embed)
{
otf = new OTF(inputStream);
if (embed) {
EmbedFontFile(pdf, font, otf, true);
}
AddFontDescriptorObject(pdf, font, otf, embed);
AddWidthsArrayObject(pdf, font, otf, codePage);
AddEncodingObject(pdf, font, codePage);
// Simple font object
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
if (otf.cff) {
pdf.Append("/Subtype /Type1\n");
} else {
pdf.Append("/Subtype /TrueType\n");
}
pdf.Append("/BaseFont /");
pdf.Append(otf.fontName);
pdf.Append('\n');
pdf.Append("/FirstChar ");
pdf.Append(otf.firstChar);
pdf.Append('\n');
pdf.Append("/LastChar ");
pdf.Append(255);
pdf.Append('\n');
pdf.Append("/Encoding ");
pdf.Append(font.GetEncodingObjNumber());
pdf.Append(" 0 R\n");
pdf.Append("/Widths ");
pdf.Append(font.GetWidthsArrayObjNumber());
pdf.Append(" 0 R\n");
pdf.Append("/FontDescriptor ");
pdf.Append(font.GetFontDescriptorObjNumber());
pdf.Append(" 0 R\n");
pdf.Append(">>\n");
pdf.Endobj();
font.objNumber = pdf.objNumber;
}
private void EmbedFontFile(
PDF pdf,
Font font,
OTF otf,
bool simpleFont)
{
// Check if the font file is already embedded
for (int i = 0; i < pdf.fonts.Count; i++) {
Font f = pdf.fonts[i];
if (f.name.Equals(otf.fontName) && f.fileObjNumber != -1) {
font.fileObjNumber = f.fileObjNumber;
return;
}
}
int metadataObjNumber = -1;
if (otf.fontName.ToLower().IndexOf("droid") != -1
|| otf.fontName.ToLower().IndexOf("roboto") != -1) {
metadataObjNumber = pdf.AddMetadataObject(AndroidFontsCopyright.NOTICE, true);
}
pdf.Newobj();
pdf.Append("<<\n");
if (otf.cff) {
if (simpleFont) {
pdf.Append("/Subtype /Type1C\n");
}
else {
pdf.Append("/Subtype /CIDFontType0C\n");
}
}
pdf.Append("/Filter /FlateDecode\n");
pdf.Append("/Length ");
pdf.Append(otf.baos.Length);
pdf.Append("\n");
if (!otf.cff) {
pdf.Append("/Length1 ");
pdf.Append(otf.buf.Length);
pdf.Append('\n');
}
if (metadataObjNumber != -1) {
pdf.Append("/Metadata ");
pdf.Append(metadataObjNumber);
pdf.Append(" 0 R\n");
}
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(otf.baos);
pdf.Append("\nendstream\n");
pdf.Endobj();
font.fileObjNumber = pdf.objNumber;
}
private void AddWidthsArrayObject(
PDF pdf,
Font font,
OTF otf,
int codePage)
{
pdf.Newobj();
pdf.Append("[ ");
int n = 1;
for (int c = otf.firstChar; c < 256; c++) {
if (c < 127) {
pdf.Append((int)
((1000.0f / otf.unitsPerEm) * otf.glyphWidth[c]));
} else {
if (codePage == 0) {
pdf.Append((int) ((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1250.codes[c - 127]]));
} else if (codePage == 1) {
pdf.Append((int) ((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1251.codes[c - 127]]));
} else if (codePage == 2) {
pdf.Append((int) ((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1252.codes[c - 127]]));
} else if (codePage == 3) {
pdf.Append((int) ((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1253.codes[c - 127]]));
} else if (codePage == 4) {
pdf.Append((int) ((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1254.codes[c - 127]]));
} else if (codePage == 7) {
pdf.Append((int) ((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1257.codes[c - 127]]));
}
}
if (n < 10) {
pdf.Append(' ');
++n;
}
else {
pdf.Append('\n');
n = 1;
}
}
pdf.Append("]\n");
pdf.Endobj();
font.SetWidthsArrayObjNumber(pdf.objNumber);
}
private static void AddToUnicodeCMapObject(PDF pdf, Font font)
{
for (int i = 0; i < pdf.fonts.Count; i++)
{
Font font2 = pdf.fonts[i];
if (font2.name.Equals(font.name) && font2.GetToUnicodeCMapObjNumber() != -1)
{
font.SetToUnicodeCMapObjNumber(font2.GetToUnicodeCMapObjNumber());
return;
}
}
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("/CIDInit /ProcSet findresource begin\n");
stringBuilder.Append("12 dict begin\n");
stringBuilder.Append("begincmap\n");
stringBuilder.Append("/CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>> def\n");
stringBuilder.Append("/CMapName /Adobe-Identity def\n");
stringBuilder.Append("/CMapType 2 def\n");
stringBuilder.Append("1 begincodespacerange\n");
stringBuilder.Append("<0000> <FFFF>\n");
stringBuilder.Append("endcodespacerange\n");
List <string> list = new List <string>();
StringBuilder stringBuilder2 = new StringBuilder();
for (int j = 0; j <= 65535; j++)
{
int num = font.unicodeToGID[j];
if (num > 0)
{
stringBuilder2.Append('<');
stringBuilder2.Append(FastFont.ToHexString(num));
stringBuilder2.Append("> <");
stringBuilder2.Append(FastFont.ToHexString(j));
stringBuilder2.Append(">\n");
list.Add(stringBuilder2.ToString());
stringBuilder2.Length = 0;
if (list.Count == 100)
{
FastFont.WriteListToBuffer(list, stringBuilder);
}
}
}
if (list.Count > 0)
{
FastFont.WriteListToBuffer(list, stringBuilder);
}
stringBuilder.Append("endcmap\n");
stringBuilder.Append("CMapName currentdict /CMap defineresource pop\n");
stringBuilder.Append("end\nend");
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Length ");
pdf.Append(stringBuilder.Length);
pdf.Append("\n");
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(stringBuilder.ToString());
pdf.Append("\nendstream\n");
pdf.Endobj();
font.SetToUnicodeCMapObjNumber(pdf.objNumber);
}
private void AddImage(
PDF pdf,
byte[] data,
byte[] alpha,
int imageType,
String colorSpace,
int bitsPerComponent)
{
if (alpha != null) {
AddSoftMask(pdf, alpha, "DeviceGray", 8);
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /XObject\n");
pdf.Append("/Subtype /Image\n");
if (imageType == ImageType.JPG) {
pdf.Append("/Filter /DCTDecode\n");
}
else if (imageType == ImageType.PNG || imageType == ImageType.BMP) {
pdf.Append("/Filter /FlateDecode\n");
if (alpha != null) {
pdf.Append("/SMask ");
pdf.Append(objNumber);
pdf.Append(" 0 R\n");
}
}
pdf.Append("/Width ");
pdf.Append(( int ) w);
pdf.Append('\n');
pdf.Append("/Height ");
pdf.Append(( int ) h);
pdf.Append('\n');
pdf.Append("/ColorSpace /");
pdf.Append(colorSpace);
pdf.Append('\n');
pdf.Append("/BitsPerComponent ");
pdf.Append(bitsPerComponent);
pdf.Append('\n');
if (colorSpace.Equals("DeviceCMYK")) {
// If the image was created with Photoshop - invert the colors:
pdf.Append("/Decode [1.0 0.0 1.0 0.0 1.0 0.0 1.0 0.0]\n");
}
pdf.Append("/Length ");
pdf.Append(data.Length);
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(data, 0, data.Length);
pdf.Append("\nendstream\n");
pdf.Endobj();
pdf.images.Add(this);
objNumber = pdf.objNumber;
}
private void AddWidthsArrayObject(
PDF pdf,
Font font,
OTF otf,
int codePage)
{
pdf.Newobj();
pdf.Append("[ ");
int n = 1;
for (int c = otf.firstChar; c < 256; c++)
{
if (c < 127)
{
pdf.Append((int)
((1000.0f / otf.unitsPerEm) * otf.glyphWidth[c]));
}
else
{
if (codePage == 0)
{
pdf.Append((int)((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1250.codes[c - 127]]));
}
else if (codePage == 1)
{
pdf.Append((int)((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1251.codes[c - 127]]));
}
else if (codePage == 2)
{
pdf.Append((int)((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1252.codes[c - 127]]));
}
else if (codePage == 3)
{
pdf.Append((int)((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1253.codes[c - 127]]));
}
else if (codePage == 4)
{
pdf.Append((int)((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1254.codes[c - 127]]));
}
else if (codePage == 7)
{
pdf.Append((int)((1000.0f / otf.unitsPerEm)
* otf.glyphWidth[CP1257.codes[c - 127]]));
}
}
if (n < 10)
{
pdf.Append(' ');
++n;
}
else
{
pdf.Append('\n');
n = 1;
}
}
pdf.Append("]\n");
pdf.Endobj();
font.SetWidthsArrayObjNumber(pdf.objNumber);
}
private static void AddToUnicodeCMapObject(PDF pdf, Font font)
{
for (int i = 0; i < pdf.fonts.Count; i++)
{
Font f = pdf.fonts[i];
if (f.name.Equals(font.name) && f.GetToUnicodeCMapObjNumber() != -1)
{
font.SetToUnicodeCMapObjNumber(f.GetToUnicodeCMapObjNumber());
return;
}
}
StringBuilder sb = new StringBuilder();
sb.Append("/CIDInit /ProcSet findresource begin\n");
sb.Append("12 dict begin\n");
sb.Append("begincmap\n");
sb.Append("/CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>> def\n");
sb.Append("/CMapName /Adobe-Identity def\n");
sb.Append("/CMapType 2 def\n");
sb.Append("1 begincodespacerange\n");
sb.Append("<0000> <FFFF>\n");
sb.Append("endcodespacerange\n");
List <String> list = new List <String>();
StringBuilder buf = new StringBuilder();
for (int cid = 0; cid <= 0xffff; cid++)
{
int gid = font.unicodeToGID[cid];
if (gid > 0)
{
buf.Append('<');
buf.Append(ToHexString(gid));
buf.Append("> <");
buf.Append(ToHexString(cid));
buf.Append(">\n");
list.Add(buf.ToString());
buf.Length = 0;
if (list.Count == 100)
{
WriteListToBuffer(list, sb);
}
}
}
if (list.Count > 0)
{
WriteListToBuffer(list, sb);
}
sb.Append("endcmap\n");
sb.Append("CMapName currentdict /CMap defineresource pop\n");
sb.Append("end\nend");
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Length ");
pdf.Append(sb.Length);
pdf.Append("\n");
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(sb.ToString());
pdf.Append("\nendstream\n");
pdf.Endobj();
font.SetToUnicodeCMapObjNumber(pdf.objNumber);
}
// Constructor for CJK fonts
public Font(PDF pdf, String fontName)
{
this.name = fontName;
this.isCJK = true;
this.firstChar = 0x0020;
this.lastChar = 0xFFEE;
this.ascent = this.size;
this.descent = this.size / 4;
this.bodyHeight = this.ascent + this.descent;
// Font Descriptor
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /FontDescriptor\n");
pdf.Append("/FontName /");
pdf.Append(fontName);
pdf.Append('\n');
pdf.Append("/Flags 4\n");
pdf.Append("/FontBBox [0 0 0 0]\n");
pdf.Append(">>\n");
pdf.Endobj();
// CIDFont Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /CIDFontType0\n");
pdf.Append("/BaseFont /");
pdf.Append(fontName);
pdf.Append('\n');
pdf.Append("/FontDescriptor ");
pdf.Append(pdf.GetObjNumber() - 1);
pdf.Append(" 0 R\n");
pdf.Append("/CIDSystemInfo <<\n");
pdf.Append("/Registry (Adobe)\n");
if (fontName.StartsWith("AdobeMingStd"))
{
pdf.Append("/Ordering (CNS1)\n");
pdf.Append("/Supplement 4\n");
}
else if (fontName.StartsWith("AdobeSongStd") ||
fontName.StartsWith("STHeitiSC"))
{
pdf.Append("/Ordering (GB1)\n");
pdf.Append("/Supplement 4\n");
}
else if (fontName.StartsWith("KozMinPro"))
{
pdf.Append("/Ordering (Japan1)\n");
pdf.Append("/Supplement 4\n");
}
else if (fontName.StartsWith("AdobeMyungjoStd"))
{
pdf.Append("/Ordering (Korea1)\n");
pdf.Append("/Supplement 1\n");
}
else
{
throw new Exception("Unsupported font: " + fontName);
}
pdf.Append(">>\n");
pdf.Append(">>\n");
pdf.Endobj();
// Type0 Font Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
if (fontName.StartsWith("AdobeMingStd"))
{
pdf.Append(fontName + "-UniCNS-UTF16-H\n");
pdf.Append("/Encoding /UniCNS-UTF16-H\n");
}
else if (fontName.StartsWith("AdobeSongStd") ||
fontName.StartsWith("STHeitiSC"))
{
pdf.Append(fontName + "-UniGB-UTF16-H\n");
pdf.Append("/Encoding /UniGB-UTF16-H\n");
}
else if (fontName.StartsWith("KozMinPro"))
{
pdf.Append(fontName + "-UniJIS-UCS2-H\n");
pdf.Append("/Encoding /UniJIS-UCS2-H\n");
}
else if (fontName.StartsWith("AdobeMyungjoStd"))
{
pdf.Append(fontName + "-UniKS-UCS2-H\n");
pdf.Append("/Encoding /UniKS-UCS2-H\n");
}
else
{
throw new Exception("Unsupported font: " + fontName);
}
pdf.Append("/DescendantFonts [");
pdf.Append(pdf.GetObjNumber() - 1);
pdf.Append(" 0 R]\n");
pdf.Append(">>\n");
pdf.Endobj();
objNumber = pdf.GetObjNumber();
pdf.fonts.Add(this);
}
/**
* Constructor for the 14 standard fonts.
* Creates a font object and adds it to the PDF.
*
* <pre>
* Examples:
* Font font1 = new Font(pdf, CoreFont.HELVETICA);
* Font font2 = new Font(pdf, CoreFont.TIMES_ITALIC);
* Font font3 = new Font(pdf, CoreFont.ZAPF_DINGBATS);
* ...
* </pre>
*
* @param pdf the PDF to add this font to.
* @param coreFont the core font. Must be one the names defined in the CoreFont class.
*/
public Font(PDF pdf, CoreFont coreFont)
{
StandardFont font = StandardFont.GetInstance(coreFont);
this.name = font.name;
this.bBoxLLx = font.bBoxLLx;
this.bBoxLLy = font.bBoxLLy;
this.bBoxURx = font.bBoxURx;
this.bBoxURy = font.bBoxURy;
this.fontUnderlinePosition = font.underlinePosition;
this.fontUnderlineThickness = font.underlineThickness;
this.metrics = font.metrics;
this.ascent = bBoxURy * size / unitsPerEm;
this.descent = bBoxLLy * size / unitsPerEm;
this.body_height = ascent - descent;
this.underlineThickness = fontUnderlineThickness * size / unitsPerEm;
this.underlinePosition = fontUnderlinePosition * size / -unitsPerEm + underlineThickness / 2.0f;
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type1\n");
pdf.Append("/BaseFont /");
pdf.Append(this.name);
pdf.Append('\n');
if (!this.name.Equals("Symbol") && !this.name.Equals("ZapfDingbats")) {
pdf.Append("/Encoding /WinAnsiEncoding\n");
}
pdf.Append(">>\n");
pdf.Endobj();
objNumber = pdf.objNumber;
pdf.fonts.Add(this);
}
private void AddSoftMask(
PDF pdf,
byte[] data,
String colorSpace,
int bitsPerComponent)
{
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /XObject\n");
pdf.Append("/Subtype /Image\n");
pdf.Append("/Filter /FlateDecode\n");
pdf.Append("/Width ");
pdf.Append(( int ) w);
pdf.Append('\n');
pdf.Append("/Height ");
pdf.Append(( int ) h);
pdf.Append('\n');
pdf.Append("/ColorSpace /");
pdf.Append(colorSpace);
pdf.Append('\n');
pdf.Append("/BitsPerComponent ");
pdf.Append(bitsPerComponent);
pdf.Append('\n');
pdf.Append("/Length ");
pdf.Append(data.Length);
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(data, 0, data.Length);
pdf.Append("\nendstream\n");
pdf.Endobj();
objNumber = pdf.objNumber;
}
private void AddImage(PDF pdf, Stream inputStream)
{
w = GetInt(inputStream); // Width
h = GetInt(inputStream); // Height
byte c = (byte) inputStream.ReadByte(); // Color Space
byte a = (byte) inputStream.ReadByte(); // Alpha
if (a != 0) {
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /XObject\n");
pdf.Append("/Subtype /Image\n");
pdf.Append("/Filter /FlateDecode\n");
pdf.Append("/Width ");
pdf.Append(w);
pdf.Append('\n');
pdf.Append("/Height ");
pdf.Append(h);
pdf.Append('\n');
pdf.Append("/ColorSpace /DeviceGray\n");
pdf.Append("/BitsPerComponent 8\n");
int length = GetInt(inputStream);
pdf.Append("/Length ");
pdf.Append(length);
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
byte[] buf1 = new byte[length];
inputStream.Read(buf1, 0, length);
pdf.Append(buf1, 0, length);
pdf.Append("\nendstream\n");
pdf.Endobj();
objNumber = pdf.objNumber;
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /XObject\n");
pdf.Append("/Subtype /Image\n");
pdf.Append("/Filter /FlateDecode\n");
if (a != 0) {
pdf.Append("/SMask ");
pdf.Append(objNumber);
pdf.Append(" 0 R\n");
}
pdf.Append("/Width ");
pdf.Append(w);
pdf.Append('\n');
pdf.Append("/Height ");
pdf.Append(h);
pdf.Append('\n');
pdf.Append("/ColorSpace /");
if (c == 1) {
pdf.Append("DeviceGray");
}
else if (c == 3 || c == 6) {
pdf.Append("DeviceRGB");
}
pdf.Append('\n');
pdf.Append("/BitsPerComponent 8\n");
pdf.Append("/Length ");
pdf.Append(GetInt(inputStream));
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
byte[] buf2 = new byte[2048];
int count;
while ((count = inputStream.Read(buf2, 0, buf2.Length)) > 0) {
pdf.Append(buf2, 0, count);
}
pdf.Append("\nendstream\n");
pdf.Endobj();
pdf.images.Add(this);
objNumber = pdf.objNumber;
}
private void AddImage(PDF pdf, Stream inputStream)
{
w = GetInt(inputStream); // Width
h = GetInt(inputStream); // Height
byte c = (byte)inputStream.ReadByte(); // Color Space
byte a = (byte)inputStream.ReadByte(); // Alpha
if (a != 0)
{
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /XObject\n");
pdf.Append("/Subtype /Image\n");
pdf.Append("/Filter /FlateDecode\n");
pdf.Append("/Width ");
pdf.Append(w);
pdf.Append('\n');
pdf.Append("/Height ");
pdf.Append(h);
pdf.Append('\n');
pdf.Append("/ColorSpace /DeviceGray\n");
pdf.Append("/BitsPerComponent 8\n");
int length = GetInt(inputStream);
pdf.Append("/Length ");
pdf.Append(length);
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
byte[] buf1 = new byte[length];
inputStream.Read(buf1, 0, length);
pdf.Append(buf1, 0, length);
pdf.Append("\nendstream\n");
pdf.Endobj();
objNumber = pdf.objNumber;
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /XObject\n");
pdf.Append("/Subtype /Image\n");
pdf.Append("/Filter /FlateDecode\n");
if (a != 0)
{
pdf.Append("/SMask ");
pdf.Append(objNumber);
pdf.Append(" 0 R\n");
}
pdf.Append("/Width ");
pdf.Append(w);
pdf.Append('\n');
pdf.Append("/Height ");
pdf.Append(h);
pdf.Append('\n');
pdf.Append("/ColorSpace /");
if (c == 1)
{
pdf.Append("DeviceGray");
}
else if (c == 3 || c == 6)
{
pdf.Append("DeviceRGB");
}
pdf.Append('\n');
pdf.Append("/BitsPerComponent 8\n");
pdf.Append("/Length ");
pdf.Append(GetInt(inputStream));
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
byte[] buf2 = new byte[2048];
int count;
while ((count = inputStream.Read(buf2, 0, buf2.Length)) > 0)
{
pdf.Append(buf2, 0, count);
}
pdf.Append("\nendstream\n");
pdf.Endobj();
pdf.images.Add(this);
objNumber = pdf.objNumber;
}
private void EmbedFontFile(
PDF pdf,
Font font,
OTF otf,
bool simpleFont)
{
// Check if the font file is already embedded
for (int i = 0; i < pdf.fonts.Count; i++)
{
Font f = pdf.fonts[i];
if (f.name.Equals(otf.fontName) && f.fileObjNumber != -1)
{
font.fileObjNumber = f.fileObjNumber;
return;
}
}
int metadataObjNumber = -1;
if (otf.fontName.ToLower().IndexOf("droid") != -1 ||
otf.fontName.ToLower().IndexOf("roboto") != -1)
{
metadataObjNumber = pdf.AddMetadataObject(AndroidFontsCopyright.NOTICE, true);
}
pdf.Newobj();
pdf.Append("<<\n");
if (otf.cff)
{
if (simpleFont)
{
pdf.Append("/Subtype /Type1C\n");
}
else
{
pdf.Append("/Subtype /CIDFontType0C\n");
}
}
pdf.Append("/Filter /FlateDecode\n");
pdf.Append("/Length ");
pdf.Append(otf.baos.Length);
pdf.Append("\n");
if (!otf.cff)
{
pdf.Append("/Length1 ");
pdf.Append(otf.buf.Length);
pdf.Append('\n');
}
if (metadataObjNumber != -1)
{
pdf.Append("/Metadata ");
pdf.Append(metadataObjNumber);
pdf.Append(" 0 R\n");
}
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(otf.baos);
pdf.Append("\nendstream\n");
pdf.Endobj();
font.fileObjNumber = pdf.objNumber;
}
internal static void Register(
PDF pdf,
Font font,
Stream inputStream)
{
int len = inputStream.ReadByte();
byte[] fontName = new byte[len];
inputStream.Read(fontName, 0, len);
font.name = System.Text.Encoding.UTF8.GetString(fontName);
// Console.WriteLine(font.name);
font.unitsPerEm = GetInt32(inputStream);
font.bBoxLLx = GetInt32(inputStream);
font.bBoxLLy = GetInt32(inputStream);
font.bBoxURx = GetInt32(inputStream);
font.bBoxURy = GetInt32(inputStream);
font.ascent = GetInt32(inputStream);
font.descent = GetInt32(inputStream);
font.firstChar = GetInt32(inputStream);
font.lastChar = GetInt32(inputStream);
font.capHeight = GetInt32(inputStream);
font.underlinePosition = GetInt32(inputStream);
font.underlineThickness = GetInt32(inputStream);
len = GetInt32(inputStream);
font.advanceWidth = new int[len];
for (int i = 0; i < len; i++)
{
font.advanceWidth[i] = GetInt16(inputStream);
}
len = GetInt32(inputStream);
font.glyphWidth = new int[len];
for (int i = 0; i < len; i++)
{
font.glyphWidth[i] = GetInt16(inputStream);
}
len = GetInt32(inputStream);
font.unicodeToGID = new int[len];
for (int i = 0; i < len; i++)
{
font.unicodeToGID[i] = GetInt16(inputStream);
}
font.uncompressed_size = GetInt32(inputStream);
font.compressed_size = GetInt32(inputStream);
EmbedFontFile(pdf, font, inputStream);
AddFontDescriptorObject(pdf, font);
AddCIDFontDictionaryObject(pdf, font);
AddToUnicodeCMapObject(pdf, font);
// Type0 Font Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
pdf.Append(font.name);
pdf.Append('\n');
pdf.Append("/Encoding /Identity-H\n");
pdf.Append("/DescendantFonts [");
pdf.Append(font.GetCidFontDictObjNumber());
pdf.Append(" 0 R]\n");
pdf.Append("/ToUnicode ");
pdf.Append(font.GetToUnicodeCMapObjNumber());
pdf.Append(" 0 R\n");
pdf.Append(">>\n");
pdf.Endobj();
font.objNumber = pdf.objNumber;
}
internal static void Register(
PDF pdf,
Font font,
Stream inputStream)
{
int len = inputStream.ReadByte();
byte[] fontName = new byte[len];
inputStream.Read(fontName, 0, len);
font.name = System.Text.Encoding.UTF8.GetString(fontName);
// Console.WriteLine(font.name);
font.unitsPerEm = GetInt32(inputStream);
font.bBoxLLx = GetInt32(inputStream);
font.bBoxLLy = GetInt32(inputStream);
font.bBoxURx = GetInt32(inputStream);
font.bBoxURy = GetInt32(inputStream);
font.ascent = GetInt32(inputStream);
font.descent = GetInt32(inputStream);
font.firstChar = GetInt32(inputStream);
font.lastChar = GetInt32(inputStream);
font.capHeight = GetInt32(inputStream);
font.underlinePosition = GetInt32(inputStream);
font.underlineThickness = GetInt32(inputStream);
len = GetInt32(inputStream);
font.advanceWidth = new int[len];
for (int i = 0; i < len; i++) {
font.advanceWidth[i] = GetInt16(inputStream);
}
len = GetInt32(inputStream);
font.glyphWidth = new int[len];
for (int i = 0; i < len; i++) {
font.glyphWidth[i] = GetInt16(inputStream);
}
len = GetInt32(inputStream);
font.unicodeToGID = new int[len];
for (int i = 0; i < len; i++) {
font.unicodeToGID[i] = GetInt16(inputStream);
}
font.uncompressed_size = GetInt32(inputStream);
font.compressed_size = GetInt32(inputStream);
EmbedFontFile(pdf, font, inputStream);
AddFontDescriptorObject(pdf, font);
AddCIDFontDictionaryObject(pdf, font);
AddToUnicodeCMapObject(pdf, font);
// Type0 Font Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
pdf.Append(font.name);
pdf.Append('\n');
pdf.Append("/Encoding /Identity-H\n");
pdf.Append("/DescendantFonts [");
pdf.Append(font.GetCidFontDictObjNumber());
pdf.Append(" 0 R]\n");
pdf.Append("/ToUnicode ");
pdf.Append(font.GetToUnicodeCMapObjNumber());
pdf.Append(" 0 R\n");
pdf.Append(">>\n");
pdf.Endobj();
font.objNumber = pdf.objNumber;
}
private void AddToUnicodeCMapObject(
PDF pdf,
Font font,
OTF otf)
{
for (int i = 0; i < pdf.fonts.Count; i++) {
Font f = pdf.fonts[i];
if (f.name.Equals(otf.fontName) && f.GetToUnicodeCMapObjNumber() != -1) {
font.SetToUnicodeCMapObjNumber(f.GetToUnicodeCMapObjNumber());
return;
}
}
StringBuilder sb = new StringBuilder();
sb.Append("/CIDInit /ProcSet findresource begin\n");
sb.Append("12 dict begin\n");
sb.Append("begincmap\n");
sb.Append("/CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>> def\n");
sb.Append("/CMapName /Adobe-Identity def\n");
sb.Append("/CMapType 2 def\n");
sb.Append("1 begincodespacerange\n");
sb.Append("<0000> <FFFF>\n");
sb.Append("endcodespacerange\n");
List<String> list = new List<String>();
StringBuilder buf = new StringBuilder();
for (int cid = 0; cid <= 0xffff; cid++) {
int gid = otf.unicodeToGID[cid];
if (gid > 0) {
buf.Append('<');
buf.Append(ToHexString(gid));
buf.Append("> <");
buf.Append(ToHexString(cid));
buf.Append(">\n");
list.Add(buf.ToString());
buf.Length = 0;
if (list.Count == 100) {
WriteListToBuffer(list, sb);
}
}
}
if (list.Count > 0) {
WriteListToBuffer(list, sb);
}
sb.Append("endcmap\n");
sb.Append("CMapName currentdict /CMap defineresource pop\n");
sb.Append("end\nend");
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Length ");
pdf.Append(sb.Length);
pdf.Append("\n");
pdf.Append(">>\n");
pdf.Append("stream\n");
pdf.Append(sb.ToString());
pdf.Append("\nendstream\n");
pdf.Endobj();
font.SetToUnicodeCMapObjNumber(pdf.objNumber);
}
private void AddCIDFontDictionaryObject(
PDF pdf,
Font font,
OTF otf)
{
for (int i = 0; i < pdf.fonts.Count; i++) {
Font f = pdf.fonts[i];
if (f.name.Equals(otf.fontName) && f.GetCidFontDictObjNumber() != -1) {
font.SetCidFontDictObjNumber(f.GetCidFontDictObjNumber());
return;
}
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
if (otf.cff) {
pdf.Append("/Subtype /CIDFontType0\n");
} else {
pdf.Append("/Subtype /CIDFontType2\n");
}
pdf.Append("/BaseFont /");
pdf.Append(otf.fontName);
pdf.Append('\n');
pdf.Append("/CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>>\n");
pdf.Append("/FontDescriptor ");
pdf.Append(font.GetFontDescriptorObjNumber());
pdf.Append(" 0 R\n");
pdf.Append("/DW ");
pdf.Append((int)
((1000f / otf.unitsPerEm) * otf.advanceWidth[0]));
pdf.Append('\n');
pdf.Append("/W [0[\n");
for (int i = 0; i < otf.advanceWidth.Length; i++) {
pdf.Append((int)
((1000f / otf.unitsPerEm) * otf.advanceWidth[i]));
if ((i + 1) % 10 == 0) {
pdf.Append('\n');
}
else {
pdf.Append(' ');
}
}
pdf.Append("]]\n");
pdf.Append("/CIDToGIDMap /Identity\n");
pdf.Append(">>\n");
pdf.Endobj();
font.SetCidFontDictObjNumber(pdf.objNumber);
}
// Constructor for CJK fonts
public Font(PDF pdf, String fontName, int codePage)
{
this.name = fontName;
this.codePage = codePage;
isCJK = true;
isStandard = false;
isComposite = true;
firstChar = 0x0020;
lastChar = 0xFFEE;
// Font Descriptor
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /FontDescriptor\n");
pdf.Append("/FontName /");
pdf.Append(fontName);
pdf.Append('\n');
pdf.Append("/Flags 4\n");
pdf.Append("/FontBBox [0 0 0 0]\n");
pdf.Append(">>\n");
pdf.Endobj();
// CIDFont Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /CIDFontType0\n");
pdf.Append("/BaseFont /");
pdf.Append(fontName);
pdf.Append('\n');
pdf.Append("/FontDescriptor ");
pdf.Append(pdf.objNumber - 1);
pdf.Append(" 0 R\n");
pdf.Append("/CIDSystemInfo <<\n");
pdf.Append("/Registry (Adobe)\n");
if (fontName.StartsWith("AdobeMingStd")) {
pdf.Append("/Ordering (CNS1)\n");
pdf.Append("/Supplement 4\n");
} else if (fontName.StartsWith("AdobeSongStd")
|| fontName.StartsWith("STHeitiSC")) {
pdf.Append("/Ordering (GB1)\n");
pdf.Append("/Supplement 4\n");
} else if (fontName.StartsWith("KozMinPro")) {
pdf.Append("/Ordering (Japan1)\n");
pdf.Append("/Supplement 4\n");
} else if (fontName.StartsWith("AdobeMyungjoStd")) {
pdf.Append("/Ordering (Korea1)\n");
pdf.Append("/Supplement 1\n");
} else {
throw new Exception("Unsupported font: " + fontName);
}
pdf.Append(">>\n");
pdf.Append(">>\n");
pdf.Endobj();
// Type0 Font Dictionary
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
if (fontName.StartsWith("AdobeMingStd")) {
pdf.Append(fontName + "-UniCNS-UTF16-H\n");
pdf.Append("/Encoding /UniCNS-UTF16-H\n");
} else if (fontName.StartsWith("AdobeSongStd")
|| fontName.StartsWith("STHeitiSC")) {
pdf.Append(fontName + "-UniGB-UTF16-H\n");
pdf.Append("/Encoding /UniGB-UTF16-H\n");
} else if (fontName.StartsWith("KozMinPro")) {
pdf.Append(fontName + "-UniJIS-UCS2-H\n");
pdf.Append("/Encoding /UniJIS-UCS2-H\n");
} else if (fontName.StartsWith("AdobeMyungjoStd")) {
pdf.Append(fontName + "-UniKS-UCS2-H\n");
pdf.Append("/Encoding /UniKS-UCS2-H\n");
} else {
throw new Exception("Unsupported font: " + fontName);
}
pdf.Append("/DescendantFonts [");
pdf.Append(pdf.objNumber - 1);
pdf.Append(" 0 R]\n");
pdf.Append(">>\n");
pdf.Endobj();
objNumber = pdf.objNumber;
ascent = size;
descent = -ascent/4;
body_height = ascent - descent;
pdf.fonts.Add(this);
}
private void AddEncodingObject(
PDF pdf,
Font font,
int codePage)
{
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Encoding\n");
pdf.Append("/BaseEncoding /WinAnsiEncoding\n");
pdf.Append("/Differences [127\n");
for (int i = 0; i < 129; i++) {
if (codePage == 0) {
pdf.Append(CP1250.names[i]);
}
else if (codePage == 1) {
pdf.Append(CP1251.names[i]);
}
else if (codePage == 2) {
pdf.Append(CP1252.names[i]);
}
else if (codePage == 3) {
pdf.Append(CP1253.names[i]);
}
else if (codePage == 4) {
pdf.Append(CP1254.names[i]);
}
else if (codePage == 7) {
pdf.Append(CP1257.names[i]);
}
pdf.Append(' ');
}
pdf.Append("]\n");
pdf.Append(">>\n");
pdf.Endobj();
font.SetEncodingObjNumber(pdf.objNumber);
}
private void AddFontDescriptorObject(
PDF pdf,
Font font,
OTF otf,
bool embed)
{
float factor = 1000f / otf.unitsPerEm;
for (int i = 0; i < pdf.fonts.Count; i++) {
Font f = pdf.fonts[i];
if (f.name.Equals(otf.fontName) && f.GetFontDescriptorObjNumber() != -1) {
font.SetFontDescriptorObjNumber(f.GetFontDescriptorObjNumber());
return;
}
}
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /FontDescriptor\n");
pdf.Append("/FontName /");
pdf.Append(otf.fontName);
pdf.Append('\n');
if (embed) {
if (otf.cff) {
pdf.Append("/FontFile3 ");
} else {
pdf.Append("/FontFile2 ");
}
pdf.Append(font.fileObjNumber);
pdf.Append(" 0 R\n");
}
pdf.Append("/Flags 32\n");
pdf.Append("/FontBBox [");
pdf.Append(otf.bBoxLLx * factor);
pdf.Append(' ');
pdf.Append(otf.bBoxLLy * factor);
pdf.Append(' ');
pdf.Append(otf.bBoxURx * factor);
pdf.Append(' ');
pdf.Append(otf.bBoxURy * factor);
pdf.Append("]\n");
pdf.Append("/Ascent ");
pdf.Append(otf.ascent * factor);
pdf.Append('\n');
pdf.Append("/Descent ");
pdf.Append(otf.descent * factor);
pdf.Append('\n');
pdf.Append("/ItalicAngle 0\n");
pdf.Append("/CapHeight ");
pdf.Append(otf.capHeight * factor);
pdf.Append('\n');
pdf.Append("/StemV 79\n");
pdf.Append(">>\n");
pdf.Endobj();
font.SetFontDescriptorObjNumber(pdf.objNumber);
}
public Font(PDF pdf, string fontName, int codePage)
{
this.name = fontName;
this.codePage = codePage;
this.isCJK = true;
this.isStandard = false;
this.isComposite = true;
this.firstChar = 32;
this.lastChar = 65518;
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /FontDescriptor\n");
pdf.Append("/FontName /");
pdf.Append(fontName);
pdf.Append('\n');
pdf.Append("/Flags 4\n");
pdf.Append("/FontBBox [0 0 0 0]\n");
pdf.Append(">>\n");
pdf.Endobj();
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /CIDFontType0\n");
pdf.Append("/BaseFont /");
pdf.Append(fontName);
pdf.Append('\n');
pdf.Append("/FontDescriptor ");
pdf.Append(pdf.objNumber - 1);
pdf.Append(" 0 R\n");
pdf.Append("/CIDSystemInfo <<\n");
pdf.Append("/Registry (Adobe)\n");
if (fontName.StartsWith("AdobeMingStd"))
{
pdf.Append("/Ordering (CNS1)\n");
pdf.Append("/Supplement 4\n");
}
else
{
if (fontName.StartsWith("AdobeSongStd") || fontName.StartsWith("STHeitiSC"))
{
pdf.Append("/Ordering (GB1)\n");
pdf.Append("/Supplement 4\n");
}
else
{
if (fontName.StartsWith("KozMinPro"))
{
pdf.Append("/Ordering (Japan1)\n");
pdf.Append("/Supplement 4\n");
}
else
{
if (!fontName.StartsWith("AdobeMyungjoStd"))
{
throw new Exception("Unsupported font: " + fontName);
}
pdf.Append("/Ordering (Korea1)\n");
pdf.Append("/Supplement 1\n");
}
}
}
pdf.Append(">>\n");
pdf.Append(">>\n");
pdf.Endobj();
pdf.Newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type0\n");
pdf.Append("/BaseFont /");
if (fontName.StartsWith("AdobeMingStd"))
{
pdf.Append(fontName + "-UniCNS-UTF16-H\n");
pdf.Append("/Encoding /UniCNS-UTF16-H\n");
}
else
{
if (fontName.StartsWith("AdobeSongStd") || fontName.StartsWith("STHeitiSC"))
{
pdf.Append(fontName + "-UniGB-UTF16-H\n");
pdf.Append("/Encoding /UniGB-UTF16-H\n");
}
else
{
if (fontName.StartsWith("KozMinPro"))
{
pdf.Append(fontName + "-UniJIS-UCS2-H\n");
pdf.Append("/Encoding /UniJIS-UCS2-H\n");
}
else
{
if (!fontName.StartsWith("AdobeMyungjoStd"))
{
throw new Exception("Unsupported font: " + fontName);
}
pdf.Append(fontName + "-UniKS-UCS2-H\n");
pdf.Append("/Encoding /UniKS-UCS2-H\n");
}
}
}
pdf.Append("/DescendantFonts [");
pdf.Append(pdf.objNumber - 1);
pdf.Append(" 0 R]\n");
pdf.Append(">>\n");
pdf.Endobj();
this.objNumber = pdf.objNumber;
this.ascent = this.size;
this.descent = -this.ascent / 4f;
this.body_height = this.ascent - this.descent;
pdf.fonts.Add(this);
}
private static void EmbedFontFile(PDF pdf, Font font, Stream inputStream)
{
// Check if the font file is already embedded
for (int i = 0; i < pdf.fonts.Count; i++) {
Font f = pdf.fonts[i];
if (f.name.Equals(font.name) && f.fileObjNumber != -1) {
font.fileObjNumber = f.fileObjNumber;
return;
}
}
/*
int metadataObjNumber = pdf.AddMetadataObject(DejaVu.FONT_LICENSE, true);
*/
pdf.Newobj();
pdf.Append("<<\n");
/*
pdf.Append("/Metadata ");
pdf.Append(metadataObjNumber);
pdf.Append(" 0 R\n");
*/
pdf.Append("/Filter /FlateDecode\n");
pdf.Append("/Length ");
pdf.Append(font.compressed_size);
pdf.Append("\n");
pdf.Append("/Length1 ");
pdf.Append(font.uncompressed_size);
pdf.Append('\n');
pdf.Append(">>\n");
pdf.Append("stream\n");
byte[] buf = new byte[2048];
int len;
while ((len = inputStream.Read(buf, 0, buf.Length)) > 0) {
pdf.Append(buf, 0, len);
}
inputStream.Dispose();
pdf.Append("\nendstream\n");
pdf.Endobj();
font.fileObjNumber = pdf.objNumber;
}