This function detects the format of the image file specified by a filename.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_fltr_detect_file(
const LPSTR lpszFileName,
LPAT_MODE lpFileType
);
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Arguments:
| Name | Type | Description |
| lpszFileName | const LPSTR | File name of the image which format you wish to detect. |
| lpFileType | LPAT_MODE | Pointer to an AT_MODE variable in which the file type will be returned. See enumIGFormats for possible values. If the file format can not be detected, this parameter will return IG_FORMAT_UNKNOWN. |
Return Value:
Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.Supported Raster Image Formats:
This function does not process image pixels.
Sample:
Filter, Recognition
Example:
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AT_ERRCOUNT nErrCount; // will hold returned error count AT_MODE nFormatID; nErrCount = IG_fltr_detect_file("picture.tif", &nFormatID); if(nFormatID == IG_FORMAT_TIF) { // ... } |
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Remarks:
See also the section Detecting Image File Format.