LPFNIG_BATCH_BEFORE_SAVE is called before an image file is saved, allowing you to correct and image before saving.
Declaration:
Copy Code |
|
|---|---|
typedef AT_BOOL (LPACCUAPI LPFNIG_BATCH_BEFORE_SAVE)(
LPVOID lpPrivate,
HIGEAR hIGear,
UINT nPageNumber
);
|
|
Arguments:
| Name | Type | Description |
| lpPrivate | LPVOID | Far pointer to private data area. |
| hIGear | HIGEAR | HIGEAR handle to the image. |
| nPageNumber | UINT | This variable is set to the number of pages to be saved. |
Return Value:
Reserved (must always be TRUE).
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional.
Sample:
None
Example:
Copy Code |
|
|---|---|
// DLL // User's BatchBeforeSave CB AT_BOOL MyBatchBeforeSave( LPVOID lpPrivate, /* Private data passed in */ HIGEAR hIGear, /* ImageGear image handle */ UINT nPageNumber /* Number of page to be saved */ ) { // Convert bpp to 1 before saving UINT bits_per_pixel; IG_image_dimensions_get(hIGear, NULL, NULL, & bits_per_pixel); If(bits_per_pixel != 1) { IG_IP_color_reduce_bayer(hIGear, 1, NULL); } return TRUE; } // Register BatchBeforeSave CB IG_batch_CB_register(MyBatchBeforeSave, IG_BATCHCB_BEFORE_SAVE, this); |
|
Remarks:
For example, you might want to rotate an image before saving.
Multipage documents can be saved as a set of different files if the flag IG_BATCH_MP_TO_MP is not specified.