DARenderPageToVariant

Direct access functionality, Rendering and printing

Version history

This function was introduced in Quick PDF Library version 7.11.

Description

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

For best results this function requires GDI+, which is available by default in Windows XP. For other operating systems you may need the GDI+ redistributable available from Microsoft, which is called "gdiplus.dll". You can use the SetGDIPlusFileName function to specify where this DLL is installed.

Syntax

Delphi

This function is not available in the Delphi edition

ActiveX

Function QuickPDF0813.PDFLibrary::DARenderPageToVariant(FileHandle As Long,
  PageRef As Long, Options As Long, DPI As Long) As Variant

DLL

This function is not available in the DLL edition

Parameters

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
DPI	The DPI to use when rendering the page. Values over 300 will cause excessive memory usage.