ISISCALLBACK Function
#include "l_bitmap.h"
L_INT pEXT_CALLBACK YourFunction(pBitmap, nPage, pszFileName, pUserData)
|
pBITMAPHANDLE pBitmap; |
/* pointer to the bitmap handle */ |
|
L_INT32 nPage; |
/* page number */ |
|
/* filename */ | |
|
/* pointer to additional parameters */ |
Callback function called after each page is acquired from the ISIS Scanner Driver. This function is available in Document/Medical toolkits only.
|
Parameter |
Description |
|
pBitmap |
The pointer to the bitmap handle referencing the bitmap that contains the image. |
|
nPage |
Number of the page just acquired |
|
pszFileName |
Character string containing the name of the file saved |
|
pUserData |
A void pointer that you can use to access a variable or structure containing data that your callback function needs. This gives you a way to receive data indirectly from the function that uses this callback function. (This is the same pointer that you pass in the pUserData parameter of the calling function. |
|
|
Keep in mind that this is a void pointer, which must be cast to the appropriate data type within your callback function. |
Returns
|
SUCCESS |
The function was successful, continue scanning |
|
< 1 |
An error occurred. Refer to Return Codes and cancel scanning. |
Comments
Refer to L_SetLoadInfoCallback for a description of how this type of callback function is used. For general information on using ISIS, refer to Using Isis to Scan Images.
Example
For an example, refer to L_ISISAcquireMulti.