/**
Gets the current position of a memory pointer
@param stream Target FIMEMORY structure
@return Returns the current file position if successful, -1 otherwise
*/
long DLL_CALLCONV
FreeImage_TellMemory(FIMEMORY *stream) {
FreeImageIO io;
SetMemoryIO(&io);
if (stream != NULL) {
return io.tell_proc((fi_handle)stream);
}
return -1L;
}
BOOL DLL_CALLCONV
FreeImage_Validate(FREE_IMAGE_FORMAT fif, FreeImageIO &io, fi_handle handle) {
if (s_plugins != NULL) {
BOOL validated = FALSE;
PluginNode *node = s_plugins->FindNodeFromFIF(fif);
if (node) {
long tell = io.tell_proc(handle);
validated = (node != NULL) ? (node->m_enabled) ? (node->m_plugin->validate_proc != NULL) ? node->m_plugin->validate_proc(io, handle) : FALSE : FALSE : FALSE;
io.seek_proc(handle, tell, SEEK_SET);
}
return validated;
}
return FALSE;
}
virtual INT64 tell() {
if(substream) return substream->tell();
return _io->tell_proc(_handle);
}
virtual int eof() {
if(substream) return substream->eof();
return (_io->tell_proc(_handle) >= _eof);
}
Imf::Int64
C_IStream::tellg () {
return _io->tell_proc(_handle);
}
virtual Imath::Int64 tellg() {
return _io->tell_proc(_handle);
}