This function is called to determine if the HIGEAR variable hIGear contains a handle of a valid ImageGear image.
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BOOL ACCUAPI IG_image_is_valid (HIGEAR hIGear); |
Name | Type | Description |
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hIGear | HIGEAR | HIGEAR handle of image. |
This function returns TRUE if a hIGear contains a valid handle; FALSE otherwise.
All pixel formats supported by ImageGear for C and C++.
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HIGEAR hIGear; /* Contains HIGEAR handle of image */ if ( IG_image_is_valid ( hIGear ) ) { IG_save_file ( hIGear, "picture.bmp", IG_SAVE_BMP_UNCOMP ); } |
Note that the return-type of the function is BOOL, not AT_ERRCOUNT. TRUE is returned if the handle is valid and may be used as the HIGEAR argument in calls to other ImageGear functions.