DARenderPageToVariant

Version history

This function was introduced in Quick PDF Library version 7.11.

Renders the specified page from the specified document to an image and returns the image data as a byte array variant.

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.

This function is not available in the Delphi edition

Function DebenuPDFLibrary1811.PDFLibrary::DARenderPageToVariant(FileHandle As Long,
PageRef As Long, Options As Long, DPI As Double) As Variant

This function is not available in the DLL edition

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.