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THtDocument has two class methods for PDF export:

 

class function HTMLtoPDF(const AHTML: hstring; const AStyles: hstring = ''): TBytes;
class procedure HTMLtoPDFFile(const AHTML, FileName: string);

 

If you need to explicitly set some document properties, use the following code:

 

 D := THtDocument.Create(HtDefaultCanvasClass.PrintCanvasClass); // or HtFMXDefaultCanvasClass for FMX
 try
   D.Parse(AHTML);
   D.GeneratePagesForPrint;
   D.Surface.SavetoPDF(FileName);
 finally
   D.Free
 end;

 

There are several PDF export implementations included:

 

Direct export for all platforms

 

Add htoffice to uses list (requires Office library).

 

Windows

 

Using SynPDF library: add htsynpdf unit to uses list.

 

Using SKIA: add htcanvasSkia to uses list and call

 

THtPagedExporter.RegisterExporter('PDF', THtSkiaPDFExport);

 

OSX

 

Set THtCanvasOSX as FMX default canvas class or pass it to document constructor in code above.

 

Android

 

Set THtCanvasAndroid as default canvas class or pass it to document constructor in code above.

 

iOS

 

Set THtCanvasiOS as default canvas class or pass it to document constructor in code above.