public TrueTypeFontHandler(ILog log, IPdfTokenScanner pdfScanner, ILookupFilterProvider filterProvider,
IEncodingReader encodingReader,
ISystemFontFinder systemFontFinder,
IFontHandler type1FontHandler)
{
this.log = log;
this.filterProvider = filterProvider;
this.encodingReader = encodingReader;
this.systemFontFinder = systemFontFinder;
this.type1FontHandler = type1FontHandler;
this.pdfScanner = pdfScanner;
}
/// <summary>
/// Default ctor WmlToHtmlConverterSettings
/// </summary>
/// <param name="pageTitle">Page title</param>
public WmlToHtmlConverterSettings(string pageTitle)
{
AdditionalCss = defaultAdditionalCss;
GeneralCss = defaultgeneralCss;
PageTitle = pageTitle ?? string.Empty;
FabricateCssClasses = true;
CssClassPrefix = defaultCssClassPrefix;
ImageHandler = new ImageHandler();
TextHandler = new TextDummyHandler();
SymbolHandler = new SymbolHandler();
BreakHandler = new BreakHandler();
FontHandler = new FontHandler();
}
/// <summary>
/// Ctor WmlToHtmlConverterSettings
/// </summary>
/// <param name="pageTitle">Page title</param>
/// <param name="customImageHandler">Handler used to convert open XML images to HTML images</param>
/// <param name="textHandler">Handler used to convert open XML text to HTML compatible text</param>
/// <param name="symbolHandler">Handler used to convert open XML symbols to HTML compatible text</param>
/// <param name="breakHandler">Handler used to convert open XML breaks to HTML equivalent</param>
/// <param name="fontHandler">Handler used translate open XML fonts to HTML equivalent</param>
/// <param name="fabricateCssClasses">Set to true, if CSS style should be stored in classes instead of an inline attribute on each node</param>
/// <param name="generalCss">Optional CSS, default is "span { white-space: pre-wrap; }"</param>
/// <param name="additionalCss">Optional CSS, default is "body { margin: 1cm auto; max-width: 20cm; padding: 0; }"</param>
/// <param name="cssClassPrefix">Optional CSS class name prefix, default is "pt-"</param>
public WmlToHtmlConverterSettings(string pageTitle, IImageHandler customImageHandler, ITextHandler textHandler, ISymbolHandler symbolHandler, IBreakHandler breakHandler, IFontHandler fontHandler, bool fabricateCssClasses, string generalCss = defaultgeneralCss, string additionalCss = defaultAdditionalCss, string cssClassPrefix = defaultCssClassPrefix)
{
AdditionalCss = additionalCss;
GeneralCss = generalCss;
PageTitle = pageTitle;
FabricateCssClasses = fabricateCssClasses;
CssClassPrefix = cssClassPrefix;
ImageHandler = customImageHandler;
TextHandler = textHandler;
SymbolHandler = symbolHandler;
BreakHandler = breakHandler;
FontHandler = fontHandler;
}
private TrueTypeFont ParseTrueTypeFont(FontDescriptor descriptor, out IFontHandler actualHandler)
{
actualHandler = null;
if (descriptor.FontFile == null)
{
try
{
var ttf = systemFontFinder.GetTrueTypeFont(descriptor.FontName.Data);
return(ttf);
}
catch (Exception ex)
{
log.Error($"Failed finding system font by name: {descriptor.FontName}.", ex);
}
return(null);
}
try
{
var fontFileStream = DirectObjectFinder.Get <StreamToken>(descriptor.FontFile.ObjectKey, pdfScanner);
var fontFile = fontFileStream.Decode(filterProvider);
if (descriptor.FontFile.FileType == DescriptorFontFile.FontFileType.FromSubtype)
{
var shouldThrow = true;
if (fontFileStream.StreamDictionary.TryGet(NameToken.Subtype, pdfScanner, out NameToken subTypeName))
{
if (subTypeName == NameToken.Type1C)
{
actualHandler = type1FontHandler;
return(null);
}
if (subTypeName == NameToken.OpenType)
{
shouldThrow = false;
}
}
if (shouldThrow)
{
throw new InvalidFontFormatException(
$"Expected a TrueType font in the TrueType font descriptor, instead it was {descriptor.FontFile.FileType}.");
}
}
var font = TrueTypeFontParser.Parse(new TrueTypeDataBytes(new ByteArrayInputBytes(fontFile)));
return(font);
}
catch (Exception ex)
{
log.Error("Could not parse the TrueType font.", ex);
return(null);
}
}
private static WmlToHtmlConverterSettings CreateHtmlConverterSettings(string pageTitle, IImageHandler imageHandler, IFontHandler fontHandler)
{
var settings = new WmlToHtmlConverterSettings(pageTitle, imageHandler, new TextSymbolToUnicodeHandler(), new SymbolHandler(), new PageBreakHandler(new BreakHandler()), fontHandler, true, string.Empty, "@page { size: A4 } body { margin: 1cm auto; max-width: 20cm; padding: 0; }", "Codeuctivity-");
return(settings);
}
