/**
* 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.isCoreFont = true;
this.name = font.name;
this.bBoxLLx = font.bBoxLLx;
this.bBoxLLy = font.bBoxLLy;
this.bBoxURx = font.bBoxURx;
this.bBoxURy = font.bBoxURy;
this.metrics = font.metrics;
this.fontUnderlinePosition = font.underlinePosition;
this.fontUnderlineThickness = font.underlineThickness;
this.fontAscent = font.bBoxURy;
this.fontDescent = font.bBoxLLy;
SetSize(size);
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.GetObjNumber();
pdf.fonts.Add(this);
}
private void AddCoreFont(PDF pdf, CoreFont coreFont)
{
StandardFont instance = StandardFont.GetInstance(coreFont);
this.name = instance.name;
this.bBoxLLx = (float)instance.bBoxLLx;
this.bBoxLLy = (float)instance.bBoxLLy;
this.bBoxURx = (float)instance.bBoxURx;
this.bBoxURy = (float)instance.bBoxURy;
this.fontUnderlinePosition = instance.underlinePosition;
this.fontUnderlineThickness = instance.underlineThickness;
this.metrics = instance.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();
this.objNumber = pdf.objNumber;
this.ascent = this.bBoxURy * this.size / (float)this.unitsPerEm;
this.descent = this.bBoxLLy * this.size / (float)this.unitsPerEm;
this.body_height = this.ascent - this.descent;
this.underlineThickness = (float)this.fontUnderlineThickness * this.size / (float)this.unitsPerEm;
this.underlinePosition = (float)this.fontUnderlinePosition * this.size / (float)(-(float)this.unitsPerEm) + this.underlineThickness / 2f;
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);
}
public Font AddFontResource(CoreFont coreFont, SortedDictionary <Int32, PDFobj> objects)
{
Font font = new Font(coreFont);
font.fontID = font.name.Replace('-', '_').ToUpper();
PDFobj obj = new PDFobj();
int maxObjNumber = -1;
foreach (int number in objects.Keys)
{
if (number > maxObjNumber)
{
maxObjNumber = number;
}
}
obj.number = maxObjNumber + 1;
obj.dict.Add("<<");
obj.dict.Add("/Type");
obj.dict.Add("/Font");
obj.dict.Add("/Subtype");
obj.dict.Add("/Type1");
obj.dict.Add("/BaseFont");
obj.dict.Add("/" + font.name);
if (!font.name.Equals("Symbol") && !font.name.Equals("ZapfDingbats"))
{
obj.dict.Add("/Encoding");
obj.dict.Add("/WinAnsiEncoding");
}
obj.dict.Add(">>");
objects.Add(obj.number, obj);
for (int i = 0; i < dict.Count; i++)
{
if (dict[i].Equals("/Resources"))
{
String token = dict[++i];
if (token.Equals("<<")) // Direct resources object
{
AddFontResource(this, objects, font.fontID, obj.number);
}
else if (Char.IsDigit(token[0])) // Indirect resources object
{
AddFontResource(objects[Int32.Parse(token)], objects, font.fontID, obj.number);
}
}
}
return(font);
}
// Used by PDFobj
internal Font(CoreFont coreFont)
{
StandardFont font = StandardFont.GetInstance(coreFont);
this.isCoreFont = true;
this.name = font.name;
this.bBoxLLx = font.bBoxLLx;
this.bBoxLLy = font.bBoxLLy;
this.bBoxURx = font.bBoxURx;
this.bBoxURy = font.bBoxURy;
this.metrics = font.metrics;
this.fontUnderlinePosition = font.underlinePosition;
this.fontUnderlineThickness = font.underlineThickness;
this.fontAscent = font.bBoxURy;
this.fontDescent = font.bBoxLLy;
SetSize(size);
}
// Used by PDFobj
internal Font(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.metrics = font.metrics;
this.ascent = bBoxURy * size / unitsPerEm;
this.descent = bBoxLLy * size / unitsPerEm;
this.body_height = ascent - descent;
this.fontUnderlinePosition = font.underlinePosition;
this.fontUnderlineThickness = font.underlineThickness;
this.underlineThickness = fontUnderlineThickness * size / unitsPerEm;
this.underlinePosition = fontUnderlinePosition * size / -unitsPerEm + underlineThickness / 2.0f;
}
// Constructor for standard fonts
public Font(PDF pdf, String fontName)
{
this.pdf = pdf;
this.name = fontName;
pdf.newobj();
pdf.Append("<<\n");
pdf.Append("/Type /Font\n");
pdf.Append("/Subtype /Type1\n");
pdf.Append("/BaseFont /");
pdf.Append(fontName);
pdf.Append('\n');
if (fontName.Equals("Symbol") || fontName.Equals("ZapfDingbats"))
{
// Use the built-in encoding
}
else
{
pdf.Append("/Encoding /WinAnsiEncoding\n");
}
pdf.Append(">>\n");
pdf.endobj();
objNumber = pdf.objNumber;
CoreFont font = (CoreFont)Activator.CreateInstance(Type.GetType("PDFjet.NET." + name.Replace('-', '_')));
bBoxLLx = font.getBBoxLLx();
bBoxLLy = font.getBBoxLLy();
bBoxURx = font.getBBoxURx();
bBoxURy = font.getBBoxURy();
metrics = font.getMetrics();
ascent = bBoxURy * size / unitsPerEm;
descent = bBoxLLy * size / unitsPerEm;
body_height = ascent - descent;
fontUnderlineThickness = font.getUnderlineThickness();
fontUnderlinePosition = font.getUnderlinePosition();
underlineThickness = fontUnderlineThickness * size / unitsPerEm;
underlinePosition = fontUnderlinePosition * size / -unitsPerEm + underlineThickness / 2.0;
pdf.fonts.Add(this);
}
public Font(PDF pdf, CoreFont coreFont)
{
this.AddCoreFont(pdf, coreFont);
}
internal static StandardFont GetInstance(CoreFont coreFont)
{
StandardFont font = new StandardFont();
switch (coreFont)
{
case CoreFont.COURIER:
font.name = Courier.name;
font.bBoxLLx = Courier.bBoxLLx;
font.bBoxLLy = Courier.bBoxLLy;
font.bBoxURx = Courier.bBoxURx;
font.bBoxURy = Courier.bBoxURy;
font.underlinePosition = Courier.underlinePosition;
font.underlineThickness = Courier.underlineThickness;
font.metrics = Courier.metrics;
break;
case CoreFont.COURIER_BOLD:
font.name = Courier_Bold.name;
font.bBoxLLx = Courier_Bold.bBoxLLx;
font.bBoxLLy = Courier_Bold.bBoxLLy;
font.bBoxURx = Courier_Bold.bBoxURx;
font.bBoxURy = Courier_Bold.bBoxURy;
font.underlinePosition = Courier_Bold.underlinePosition;
font.underlineThickness = Courier_Bold.underlineThickness;
font.metrics = Courier_Bold.metrics;
break;
case CoreFont.COURIER_OBLIQUE:
font.name = Courier_Oblique.name;
font.bBoxLLx = Courier_Oblique.bBoxLLx;
font.bBoxLLy = Courier_Oblique.bBoxLLy;
font.bBoxURx = Courier_Oblique.bBoxURx;
font.bBoxURy = Courier_Oblique.bBoxURy;
font.underlinePosition = Courier_Oblique.underlinePosition;
font.underlineThickness = Courier_Oblique.underlineThickness;
font.metrics = Courier_Oblique.metrics;
break;
case CoreFont.COURIER_BOLD_OBLIQUE:
font.name = Courier_BoldOblique.name;
font.bBoxLLx = Courier_BoldOblique.bBoxLLx;
font.bBoxLLy = Courier_BoldOblique.bBoxLLy;
font.bBoxURx = Courier_BoldOblique.bBoxURx;
font.bBoxURy = Courier_BoldOblique.bBoxURy;
font.underlinePosition = Courier_BoldOblique.underlinePosition;
font.underlineThickness = Courier_BoldOblique.underlineThickness;
font.metrics = Courier_BoldOblique.metrics;
break;
case CoreFont.HELVETICA:
font.name = Helvetica.name;
font.bBoxLLx = Helvetica.bBoxLLx;
font.bBoxLLy = Helvetica.bBoxLLy;
font.bBoxURx = Helvetica.bBoxURx;
font.bBoxURy = Helvetica.bBoxURy;
font.underlinePosition = Helvetica.underlinePosition;
font.underlineThickness = Helvetica.underlineThickness;
font.metrics = Helvetica.metrics;
break;
case CoreFont.HELVETICA_BOLD:
font.name = Helvetica_Bold.name;
font.bBoxLLx = Helvetica_Bold.bBoxLLx;
font.bBoxLLy = Helvetica_Bold.bBoxLLy;
font.bBoxURx = Helvetica_Bold.bBoxURx;
font.bBoxURy = Helvetica_Bold.bBoxURy;
font.underlinePosition = Helvetica_Bold.underlinePosition;
font.underlineThickness = Helvetica_Bold.underlineThickness;
font.metrics = Helvetica_Bold.metrics;
break;
case CoreFont.HELVETICA_OBLIQUE:
font.name = Helvetica_Oblique.name;
font.bBoxLLx = Helvetica_Oblique.bBoxLLx;
font.bBoxLLy = Helvetica_Oblique.bBoxLLy;
font.bBoxURx = Helvetica_Oblique.bBoxURx;
font.bBoxURy = Helvetica_Oblique.bBoxURy;
font.underlinePosition = Helvetica_Oblique.underlinePosition;
font.underlineThickness = Helvetica_Oblique.underlineThickness;
font.metrics = Helvetica_Oblique.metrics;
break;
case CoreFont.HELVETICA_BOLD_OBLIQUE:
font.name = Helvetica_BoldOblique.name;
font.bBoxLLx = Helvetica_BoldOblique.bBoxLLx;
font.bBoxLLy = Helvetica_BoldOblique.bBoxLLy;
font.bBoxURx = Helvetica_BoldOblique.bBoxURx;
font.bBoxURy = Helvetica_BoldOblique.bBoxURy;
font.underlinePosition = Helvetica_BoldOblique.underlinePosition;
font.underlineThickness = Helvetica_BoldOblique.underlineThickness;
font.metrics = Helvetica_BoldOblique.metrics;
break;
case CoreFont.TIMES_ROMAN:
font.name = Times_Roman.name;
font.bBoxLLx = Times_Roman.bBoxLLx;
font.bBoxLLy = Times_Roman.bBoxLLy;
font.bBoxURx = Times_Roman.bBoxURx;
font.bBoxURy = Times_Roman.bBoxURy;
font.underlinePosition = Times_Roman.underlinePosition;
font.underlineThickness = Times_Roman.underlineThickness;
font.metrics = Times_Roman.metrics;
break;
case CoreFont.TIMES_BOLD:
font.name = Times_Bold.name;
font.bBoxLLx = Times_Bold.bBoxLLx;
font.bBoxLLy = Times_Bold.bBoxLLy;
font.bBoxURx = Times_Bold.bBoxURx;
font.bBoxURy = Times_Bold.bBoxURy;
font.underlinePosition = Times_Bold.underlinePosition;
font.underlineThickness = Times_Bold.underlineThickness;
font.metrics = Times_Bold.metrics;
break;
case CoreFont.TIMES_ITALIC:
font.name = Times_Italic.name;
font.bBoxLLx = Times_Italic.bBoxLLx;
font.bBoxLLy = Times_Italic.bBoxLLy;
font.bBoxURx = Times_Italic.bBoxURx;
font.bBoxURy = Times_Italic.bBoxURy;
font.underlinePosition = Times_Italic.underlinePosition;
font.underlineThickness = Times_Italic.underlineThickness;
font.metrics = Times_Italic.metrics;
break;
case CoreFont.TIMES_BOLD_ITALIC:
font.name = Times_BoldItalic.name;
font.bBoxLLx = Times_BoldItalic.bBoxLLx;
font.bBoxLLy = Times_BoldItalic.bBoxLLy;
font.bBoxURx = Times_BoldItalic.bBoxURx;
font.bBoxURy = Times_BoldItalic.bBoxURy;
font.underlinePosition = Times_BoldItalic.underlinePosition;
font.underlineThickness = Times_BoldItalic.underlineThickness;
font.metrics = Times_BoldItalic.metrics;
break;
case CoreFont.SYMBOL:
font.name = Symbol.name;
font.bBoxLLx = Symbol.bBoxLLx;
font.bBoxLLy = Symbol.bBoxLLy;
font.bBoxURx = Symbol.bBoxURx;
font.bBoxURy = Symbol.bBoxURy;
font.underlinePosition = Symbol.underlinePosition;
font.underlineThickness = Symbol.underlineThickness;
font.metrics = Symbol.metrics;
break;
case CoreFont.ZAPF_DINGBATS:
font.name = ZapfDingbats.name;
font.bBoxLLx = ZapfDingbats.bBoxLLx;
font.bBoxLLy = ZapfDingbats.bBoxLLy;
font.bBoxURx = ZapfDingbats.bBoxURx;
font.bBoxURy = ZapfDingbats.bBoxURy;
font.underlinePosition = ZapfDingbats.underlinePosition;
font.underlineThickness = ZapfDingbats.underlineThickness;
font.metrics = ZapfDingbats.metrics;
break;
}
return(font);
}
internal static StandardFont GetInstance(CoreFont coreFont)
{
StandardFont font = new StandardFont();
switch (coreFont) {
case CoreFont.COURIER:
font.name = Courier.name;
font.bBoxLLx = Courier.bBoxLLx;
font.bBoxLLy = Courier.bBoxLLy;
font.bBoxURx = Courier.bBoxURx;
font.bBoxURy = Courier.bBoxURy;
font.underlinePosition = Courier.underlinePosition;
font.underlineThickness = Courier.underlineThickness;
font.metrics = Courier.metrics;
break;
case CoreFont.COURIER_BOLD:
font.name = Courier_Bold.name;
font.bBoxLLx = Courier_Bold.bBoxLLx;
font.bBoxLLy = Courier_Bold.bBoxLLy;
font.bBoxURx = Courier_Bold.bBoxURx;
font.bBoxURy = Courier_Bold.bBoxURy;
font.underlinePosition = Courier_Bold.underlinePosition;
font.underlineThickness = Courier_Bold.underlineThickness;
font.metrics = Courier_Bold.metrics;
break;
case CoreFont.COURIER_OBLIQUE:
font.name = Courier_Oblique.name;
font.bBoxLLx = Courier_Oblique.bBoxLLx;
font.bBoxLLy = Courier_Oblique.bBoxLLy;
font.bBoxURx = Courier_Oblique.bBoxURx;
font.bBoxURy = Courier_Oblique.bBoxURy;
font.underlinePosition = Courier_Oblique.underlinePosition;
font.underlineThickness = Courier_Oblique.underlineThickness;
font.metrics = Courier_Oblique.metrics;
break;
case CoreFont.COURIER_BOLD_OBLIQUE:
font.name = Courier_BoldOblique.name;
font.bBoxLLx = Courier_BoldOblique.bBoxLLx;
font.bBoxLLy = Courier_BoldOblique.bBoxLLy;
font.bBoxURx = Courier_BoldOblique.bBoxURx;
font.bBoxURy = Courier_BoldOblique.bBoxURy;
font.underlinePosition = Courier_BoldOblique.underlinePosition;
font.underlineThickness = Courier_BoldOblique.underlineThickness;
font.metrics = Courier_BoldOblique.metrics;
break;
case CoreFont.HELVETICA:
font.name = Helvetica.name;
font.bBoxLLx = Helvetica.bBoxLLx;
font.bBoxLLy = Helvetica.bBoxLLy;
font.bBoxURx = Helvetica.bBoxURx;
font.bBoxURy = Helvetica.bBoxURy;
font.underlinePosition = Helvetica.underlinePosition;
font.underlineThickness = Helvetica.underlineThickness;
font.metrics = Helvetica.metrics;
break;
case CoreFont.HELVETICA_BOLD:
font.name = Helvetica_Bold.name;
font.bBoxLLx = Helvetica_Bold.bBoxLLx;
font.bBoxLLy = Helvetica_Bold.bBoxLLy;
font.bBoxURx = Helvetica_Bold.bBoxURx;
font.bBoxURy = Helvetica_Bold.bBoxURy;
font.underlinePosition = Helvetica_Bold.underlinePosition;
font.underlineThickness = Helvetica_Bold.underlineThickness;
font.metrics = Helvetica_Bold.metrics;
break;
case CoreFont.HELVETICA_OBLIQUE:
font.name = Helvetica_Oblique.name;
font.bBoxLLx = Helvetica_Oblique.bBoxLLx;
font.bBoxLLy = Helvetica_Oblique.bBoxLLy;
font.bBoxURx = Helvetica_Oblique.bBoxURx;
font.bBoxURy = Helvetica_Oblique.bBoxURy;
font.underlinePosition = Helvetica_Oblique.underlinePosition;
font.underlineThickness = Helvetica_Oblique.underlineThickness;
font.metrics = Helvetica_Oblique.metrics;
break;
case CoreFont.HELVETICA_BOLD_OBLIQUE:
font.name = Helvetica_BoldOblique.name;
font.bBoxLLx = Helvetica_BoldOblique.bBoxLLx;
font.bBoxLLy = Helvetica_BoldOblique.bBoxLLy;
font.bBoxURx = Helvetica_BoldOblique.bBoxURx;
font.bBoxURy = Helvetica_BoldOblique.bBoxURy;
font.underlinePosition = Helvetica_BoldOblique.underlinePosition;
font.underlineThickness = Helvetica_BoldOblique.underlineThickness;
font.metrics = Helvetica_BoldOblique.metrics;
break;
case CoreFont.TIMES_ROMAN:
font.name = Times_Roman.name;
font.bBoxLLx = Times_Roman.bBoxLLx;
font.bBoxLLy = Times_Roman.bBoxLLy;
font.bBoxURx = Times_Roman.bBoxURx;
font.bBoxURy = Times_Roman.bBoxURy;
font.underlinePosition = Times_Roman.underlinePosition;
font.underlineThickness = Times_Roman.underlineThickness;
font.metrics = Times_Roman.metrics;
break;
case CoreFont.TIMES_BOLD:
font.name = Times_Bold.name;
font.bBoxLLx = Times_Bold.bBoxLLx;
font.bBoxLLy = Times_Bold.bBoxLLy;
font.bBoxURx = Times_Bold.bBoxURx;
font.bBoxURy = Times_Bold.bBoxURy;
font.underlinePosition = Times_Bold.underlinePosition;
font.underlineThickness = Times_Bold.underlineThickness;
font.metrics = Times_Bold.metrics;
break;
case CoreFont.TIMES_ITALIC:
font.name = Times_Italic.name;
font.bBoxLLx = Times_Italic.bBoxLLx;
font.bBoxLLy = Times_Italic.bBoxLLy;
font.bBoxURx = Times_Italic.bBoxURx;
font.bBoxURy = Times_Italic.bBoxURy;
font.underlinePosition = Times_Italic.underlinePosition;
font.underlineThickness = Times_Italic.underlineThickness;
font.metrics = Times_Italic.metrics;
break;
case CoreFont.TIMES_BOLD_ITALIC:
font.name = Times_BoldItalic.name;
font.bBoxLLx = Times_BoldItalic.bBoxLLx;
font.bBoxLLy = Times_BoldItalic.bBoxLLy;
font.bBoxURx = Times_BoldItalic.bBoxURx;
font.bBoxURy = Times_BoldItalic.bBoxURy;
font.underlinePosition = Times_BoldItalic.underlinePosition;
font.underlineThickness = Times_BoldItalic.underlineThickness;
font.metrics = Times_BoldItalic.metrics;
break;
case CoreFont.SYMBOL:
font.name = Symbol.name;
font.bBoxLLx = Symbol.bBoxLLx;
font.bBoxLLy = Symbol.bBoxLLy;
font.bBoxURx = Symbol.bBoxURx;
font.bBoxURy = Symbol.bBoxURy;
font.underlinePosition = Symbol.underlinePosition;
font.underlineThickness = Symbol.underlineThickness;
font.metrics = Symbol.metrics;
break;
case CoreFont.ZAPF_DINGBATS:
font.name = ZapfDingbats.name;
font.bBoxLLx = ZapfDingbats.bBoxLLx;
font.bBoxLLy = ZapfDingbats.bBoxLLy;
font.bBoxURx = ZapfDingbats.bBoxURx;
font.bBoxURy = ZapfDingbats.bBoxURy;
font.underlinePosition = ZapfDingbats.underlinePosition;
font.underlineThickness = ZapfDingbats.underlineThickness;
font.metrics = ZapfDingbats.metrics;
break;
}
return font;
}
// Used by PDFobj
internal Font(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.metrics = font.metrics;
this.ascent = bBoxURy * size / unitsPerEm;
this.descent = bBoxLLy * size / unitsPerEm;
this.body_height = ascent - descent;
this.fontUnderlinePosition = font.underlinePosition;
this.fontUnderlineThickness = font.underlineThickness;
this.underlineThickness = fontUnderlineThickness * size / unitsPerEm;
this.underlinePosition = fontUnderlinePosition * size / -unitsPerEm + underlineThickness / 2.0f;
}
/**
* 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);
}
public Font AddFontResource(CoreFont coreFont, SortedDictionary<Int32, PDFobj> objects)
{
Font font = new Font(coreFont);
font.fontID = font.name.Replace('-', '_').ToUpper();
PDFobj obj = new PDFobj();
int maxObjNumber = -1;
foreach (int number in objects.Keys) {
if (number > maxObjNumber) { maxObjNumber = number; }
}
obj.number = maxObjNumber + 1;
obj.dict.Add("<<");
obj.dict.Add("/Type");
obj.dict.Add("/Font");
obj.dict.Add("/Subtype");
obj.dict.Add("/Type1");
obj.dict.Add("/BaseFont");
obj.dict.Add("/" + font.name);
if (!font.name.Equals("Symbol") && !font.name.Equals("ZapfDingbats")) {
obj.dict.Add("/Encoding");
obj.dict.Add("/WinAnsiEncoding");
}
obj.dict.Add(">>");
objects.Add(obj.number, obj);
for (int i = 0; i < dict.Count; i++) {
if (dict[i].Equals("/Resources")) {
String token = dict[++i];
if (token.Equals("<<")) { // Direct resources object
AddFontResource(this, objects, font.fontID, obj.number);
}
else if (Char.IsDigit(token[0])) { // Indirect resources object
AddFontResource(objects[Int32.Parse(token)], objects, font.fontID, obj.number);
}
}
}
return font;
}
