/// <summary>
/// Get from cache or create a new instance of
/// <see cref="iText.Kernel.Font.PdfFont"/>
/// .
/// </summary>
/// <param name="fontInfo">
/// font info, to create
/// <see cref="iText.IO.Font.FontProgram"/>
/// and
/// <see cref="iText.Kernel.Font.PdfFont"/>
/// .
/// </param>
/// <param name="tempFonts">Set of temporary fonts.</param>
/// <returns>
/// cached or new instance of
/// <see cref="iText.Kernel.Font.PdfFont"/>
/// .
/// </returns>
public virtual PdfFont GetPdfFont(FontInfo fontInfo, FontSet tempFonts)
{
if (pdfFonts.ContainsKey(fontInfo))
{
return(pdfFonts.Get(fontInfo));
}
else
{
FontProgram fontProgram = null;
if (tempFonts != null)
{
fontProgram = tempFonts.GetFontProgram(fontInfo);
}
if (fontProgram == null)
{
fontProgram = fontSet.GetFontProgram(fontInfo);
}
PdfFont pdfFont;
try {
if (fontProgram == null)
{
if (fontInfo.GetFontData() != null)
{
fontProgram = FontProgramFactory.CreateFont(fontInfo.GetFontData(), GetDefaultCacheFlag());
}
else
{
fontProgram = FontProgramFactory.CreateFont(fontInfo.GetFontName(), GetDefaultCacheFlag());
}
}
String encoding = fontInfo.GetEncoding();
if (encoding == null || encoding.Length == 0)
{
encoding = GetDefaultEncoding(fontProgram);
}
pdfFont = PdfFontFactory.CreateFont(fontProgram, encoding, GetDefaultEmbeddingFlag());
}
catch (System.IO.IOException e) {
// Converting checked exceptions to unchecked RuntimeException (java-specific comment).
//
// FontProvider is usually used in highlevel API, which requests fonts in deep underlying logic.
// IOException would mean that font is chosen and it is supposed to exist, however it cannot be read.
// Using fallbacks in such situations would make FontProvider less intuitive.
//
// Even though softening of checked exceptions can be handled at higher levels in order to let
// the caller of this method know that font creation failed, we prefer to avoid bloating highlevel API
// and avoid making higher level code depend on low-level code because of the exceptions handling.
throw new PdfException(PdfException.IoExceptionWhileCreatingFont, e);
}
pdfFonts.Put(fontInfo, pdfFont);
return(pdfFont);
}
}
/// <summary>
/// Get from cache or create a new instance of
/// <see cref="iText.Kernel.Font.PdfFont"/>
/// .
/// </summary>
/// <param name="fontInfo">
/// font info, to create
/// <see cref="iText.IO.Font.FontProgram"/>
/// and
/// <see cref="iText.Kernel.Font.PdfFont"/>
/// .
/// </param>
/// <param name="tempFonts">Set of temporary fonts.</param>
/// <returns>
/// cached or new instance of
/// <see cref="iText.Kernel.Font.PdfFont"/>
/// .
/// </returns>
public virtual PdfFont GetPdfFont(FontInfo fontInfo, FontSet tempFonts)
{
if (pdfFonts.ContainsKey(fontInfo))
{
return(pdfFonts.Get(fontInfo));
}
else
{
FontProgram fontProgram = null;
if (tempFonts != null)
{
fontProgram = tempFonts.GetFontProgram(fontInfo);
}
if (fontProgram == null)
{
fontProgram = fontSet.GetFontProgram(fontInfo);
}
PdfFont pdfFont;
try {
if (fontProgram == null)
{
if (fontInfo.GetFontData() != null)
{
fontProgram = FontProgramFactory.CreateFont(fontInfo.GetFontData(), GetDefaultCacheFlag());
}
else
{
fontProgram = FontProgramFactory.CreateFont(fontInfo.GetFontName(), GetDefaultCacheFlag());
}
}
String encoding = fontInfo.GetEncoding();
if (encoding == null || encoding.Length == 0)
{
encoding = GetDefaultEncoding(fontProgram);
}
pdfFont = PdfFontFactory.CreateFont(fontProgram, encoding, GetDefaultEmbeddingFlag());
}
catch (System.IO.IOException e) {
throw new PdfException(PdfException.IoExceptionWhileCreatingFont, e);
}
pdfFonts.Put(fontInfo, pdfFont);
return(pdfFont);
}
}
