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DARenderPageToFile

Direct access functionality, Rendering and printing

Description

Renders the specified page from the specified document to an image and saves the image data as a file on disk.

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.

Syntax

Delphi

function TDebenuPDFLibrary1511.DARenderPageToFile(FileHandle, PageRef, 
  Options: Integer; DPI: Double; FileName: WideString): Integer;

ActiveX

Function DebenuPDFLibrary1511.PDFLibrary::DARenderPageToFile(FileHandle As Long,
  PageRef As Long, Options As Long, DPI As Double,
  FileName As String) As Long

DLL

int DPLDARenderPageToFile(int InstanceID, int FileHandle, int PageRef, int Options,
  double DPI, wchar_t * FileName)

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
9 = HTML5 output
10 = G4 TIFF output
DPI The DPI to use when rendering the page. Values over 300 will cause excessive memory usage.
FileName The path and file name of the file to create to store the rendered page image data in.

Return values

0 The page could not be rendered. Check the value of the FileHandle and PageRef parameters.
1 The page was rendered correctly and the image file was saved to disk
2 The file could not be written to disk

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