ImageGear Professional > API Reference Guide > Core Component API Reference > Core Component Functions Reference > Multi Page Image File Functions > IG_mpf_tile_count_get |
If the multi-page image is associated with an external file, then this function returns the tile information for the specified page number.
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AT_ERRCOUNT IG_mpf_tile_count_get( [IN] HMIGEAR hMIGear, [IN] UINT nPage, [OUT] LPUINT lpTileRows, [OUT] LPUINT lpTileCols ); |
Name | Type | Description |
hMIGear | HMIGEAR | The handle of the multi-page image. |
nPage | UINT | The page number from which to get the tile count. |
LpTileRows | LPUINT | Pointer to a UINT variable to receive the number of tiles horizontally (number of tiles in a row). |
LpTileCols | LPUINT | Pointer to a UINT variable to receive the number of tiles vertically (number of tiles in a column). |
Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.
All pixel formats supported by ImageGear Professional.
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HMIGEAR hMIGear; /* handle to multi-page image */ AT_ERRCOUNT nErrCount = IGE_SUCCESS; /* will hold returned error count */ UINT nPageCount = 0; /* number of pages that should get from multi-page image */ UINT nTileRows; UINT nTileCols; ... /* initialize multi-page image and assign it with external file */ nErrCount = IG_mpf_page_count_get( hMIGear, &nPageCount ); /* Count number of tiles in the first page */ if (!nErrCount && nPageCount > 0) nErrCount += IG_mpf_tile_count_get(hMIGear, 0, &nTileRows, &nTileCols ); if (!nErrCount) { printf( "Number of tiles in a row:%i\n", nTileRows ); printf( "Number of tiles in a colomns:&i\n", nTileCols ); } |
An error is returned if the image is not associated with an external file. Pages are numbered starting with 0.