DARenderPageToString
Direct access functionality, Rendering and printing
Description
It renders the specified page from the specified document to an image and returns the image data as a string.
For best results this function requires GDI+, which is available by default in Windows XP. For earlier 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
function TQuickPDF0813.DARenderPageToString(FileHandle, PageRef, Options,
DPI: Integer): string;
ActiveX
This function is not available in the ActiveX edition
DLL
char * QuickPDFDARenderPageToString(int InstanceID, int FileHandle, int PageRef,
int Options, int DPI)
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. |