prjCheckDir(Path);

function ListaSimpla = prjCheckDir(Path);

% ListaSimpla = prjCheckDir(Path);
%
% parseaza Path in cautarea fisierelor imagine, 
% pe care le intoarce in ListaSimpla
%
% nou quadra v.0.4, 02.11.2003

if nargin < 1 disp('ce director?'); end;

% sorteaza known types (tif, jpg, gif, etc.)
%   'jpg' or 'jpeg' Joint Photographic Experts Group (JPEG)
%   'tif' or 'tiff' Tagged Image File Format (TIFF)
%   'gif'           Graphics Interchange Format (GIF)
%   'bmp'           Windows Bitmap (BMP)
%   'png'           Portable Network Graphics
%   'hdf'           Hierarchical Data Format (HDF)
%   'pcx'           Windows Paintbrush (PCX)
%   'xwd'           X Window Dump (XWD)
%   'cur'           Windows Cursor resources (CUR)
%   'ico'           Windows Icon resources (ICO)

known_extensions = {'jpg', 'jpeg', 'tif', 'tiff', 'gif', 'bmp', 'png', 'hdf', 'pcx', 'xwd', 'cur', 'ico'}; 
iv = 0; FileList = dir(Path);

for i=3:size(FileList,1)
    namelength = size(FileList(i).name,2); 
    base = FileList(i).name; extension = '';
    if (namelength > 4) & ~(FileList(i).isdir)
        p=namelength;
        % - recunoaste extensia & radacina
        while p>0
            p=p-1;
            if strcmp(FileList(i).name(p),'.')
                base = FileList(i).name(1:p-1);
                extension = FileList(i).name(p+1:namelength);
                switch lower(extension)
                case 'tiff' 
                    type = 'tif';;
                case 'jpeg' 
                    type = 'jpg';
                otherwise
                    type = lower(extension);
                end;
                break;
            end;
        end;
        if sum(strcmp(type,known_extensions))
            iv = iv+1; ListaSimpla(iv) = uConstr('listasimpla');
            ListaSimpla(iv).name = FileList(i).name;
            ListaSimpla(iv).path = Path;
        end;
    end;
end;

if ~exist('ListaSimpla') 
    % ListaSimpla = uConstr('listasimpla');
    ListaSimpla = [];
    disp('no image files found in specified directory'); 
end;