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Direct access functionality, Rendering and printing


It renders the specified page from the specified document to an image and returns the image data as a string.

By default rendering uses the GDI+ system which is available by default in Windows XP and later.

Option 10, TIFF (G4) output, is only available on Windows Vista and Windows Server 2008 and later.

It is also possible to render using Cairo, use the SetCairoFileName and SelectRenderer functions.



function TDebenuPDFLibrary1511.DARenderPageToString(FileHandle, PageRef, 
  Options: Integer; DPI: Double): AnsiString;


This function is not available in the ActiveX edition


char * DPLDARenderPageToString(int InstanceID, int FileHandle, int PageRef,
  int Options, double DPI)


FileHandle A handle returned by the DAOpenFile, DAOpenFileReadOnly or DAOpenFromStream functions
PageRef A page reference returned by the DAFindPage or DANewPage functions
Options 0 = BMP output
1 = JPEG output
2 = WMF output
3 = EMF output
4 = EPS output
5 = PNG output
6 = GIF output
7 = TIFF output
8 = EMF+ output
9 = HTML5 output
10 = G4 TIFF output
DPI The DPI to use when rendering the page. Values over 300 will cause excessive memory usage.

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