This function obtains information about a page of a multipage file, without loading its pixel data. This is an obsolete function, see remarks.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_fltr_pageinfo_get(
const LPSTR lpszFileName,
UINT nPage,
LPAT_MODE lpFileType,
LPAT_MODE lpCompression,
LPAT_DIB lpDIB
);
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Arguments:
| Name | Type | Description |
| lpszFileName | const LPSTR | Path and name of the file. The path can be absolute or relative. |
| nPage | UINT | Number of the page in a multi-page file for which the information should be obtained. |
| lpFileType | LPAT_MODE | Pointer to an AT_MODE variable in which the file type will be returned. See enumIGFormats for possible values. |
| lpCompression | LPAT_MODE | Pointer to an AT_MODE variable in which compression type will be returned. See enumIGCompressions for possible values. |
| lpDIB | LPAT_DIB | Pointer to an AT_DIB structure to which other file information, such as width, height, and Bits Per Pixel will be returned. |
Return Value:
Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.Supported Raster Image Formats:
- Indexed RGB - 1, 4, 8 bpp;
- Grayscale - 9...16 bpp;
- RGB - 24 bpp;
- CMYK - 32 bpp.
Sample:
None
Example:
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AT_ERRCOUNT nErrCount;
AT_MODE fileType;
AT_MODE compression;
AT_DIB atDib;
nErrCount = IG_fltr_pageinfo_get("picture.tif", 1,
&fileType, &compression, &atDib);
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Remarks:
This function is only kept for backward compatibility reasons. Please use IG_fltr_pageinfo_get_ex instead.
See also the section Getting Information and Sorting Images.