gflGetFileInformationFromHandle

gflGetFileInformationFromHandle

The gflGetFileInformationFromHandle function retrieves all informations about a picture with the use of read callback functions.

GFL_ERROR gflGetFileInformationFromHandle(
  GFL_HANDLE handle,  

  GFL_INT32 index,  

  const GFL_LOAD_CALLBACKS * callbacks,  

  GFL_FILE_INFORMATION * information
);

Parameters

handle

User handle.

index

Index of format. -1 for automatic recognition.

callbacks

Callback to access picture data.

information

Pointer to a GFL_FILE_INFORMATION structure.
You must use gflFreeFileInformation to free his content.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

See also

gflLoadBitmap, gflLoadBitmapFromMemory, gflLoadBitmapFromHandle, gflLoadThumbnail, gflLoadThumbnailFromMemory, gflLoadThumbnailFromHandle