This function decodes an image, or a rectangular portion thereof, that was encrypted using IG_IP_encrypt().
Copy Code
|
|
---|---|
AT_ERRCOUNT ACCUAPI IG_IP_decrypt ( HIGEAR hIGear, LPAT_RECT lpRect, AT_MODE nEncryptType, LPSTR lpszPassword ); |
Name | Type | Description |
---|---|---|
hIGear | HIGEAR | HIGEAR handle of image to be decoded. |
lpRect | LPAT_RECT | Far pointer to an AT_RECT struct specifying the rectangular portion of the image to decode. Set = NULL for the whole image. |
nEncrptyType | AT_MODE | An IG_ENCRYPT_METHOD_ constant specifying how the image was encoded. |
lpszPassword | LPSTR | Far pointer to your zero-terminated password string. |
Returns the number of ImageGear errors that occurred during this function call.
All pixel formats supported by ImageGear for C and C++.
FlashPix
Copy Code
|
|
---|---|
HIGEAR hIGear; /* Decrypt the whole hIGear image by method A & with "Top Secret" password */ IG_IP_decrypt (hIGear, NULL, IG_ENCRYPT_METHOD_A, "Top Secret"); |
This function works on a DIB, not on a file. You must supply both the encryption method and the password that were used in the call to IG_IP_encrypt().