OpenEuphoria

1. can somebody help me with this code?

• Posted by Judith <camping at txcyber.com> Aug 12, 2001
• 458 views

What I am trying to do is read an file IDE_icon.e, parse the first XPM 
in it and use the data but I can't get it to work.

Can anyone see my error, please?

Thanks,

Judith


--demo of reading xpm_icon.e and trapping the sequence of the xpm and 
--then adding to window at x,y

include win32lib.ew
without warning

constant win=create(Window,"test xpm",0,0,0,300,200,0)


integer ok

function replace( sequence s, sequence old, sequence new )
--stollen from David Cuny
    -- replace substring in sequence

    integer at
    sequence s1

    s1 = ""

    while 1 do   
    
        -- look for target
        at = match( old, s )
        if at = 0 then    
            -- no more replacements
            exit
        end if  

        -- accumulate in s1
        s1 &= s[1..at-1] & new
        
        -- remove from s
        s = s[at+length(old)..length(s)]
        
    end while

    return s1 & s

end function

function trims(sequence text)
    --now trim text at right
    for i=length(text) to 1 by -1 do
        if text[i]=' ' then
            text=text[1..length(text)-1]
        else
            exit
        end if
    end for
    --now trim text from left
    text=reverse(text)
    for i=length(text) to 1 by -1 do
        if text[i]=' ' then
            text=text[1..length(text)-1]
        else
            exit
        end if
    end for
    text=reverse(text)

    return text
end function

atom hdib

procedure onOpen_win()
    integer handle, ignore, at, start
    object text
    sequence fName, XPM, text2


    fName="XPM_Icon.e"
    XPM={}

    start=False

    handle=open( fName, "r" )
    if handle = -1 then
        -- give message and exit
        ignore = message_box(   "Open File Error", 
                                "Unable to read the file " & fName,
                                MB_ICONHAND+MB_TASKMODAL )
        return    
    end if

    -- parse the file    
    while 1 do      
    
        -- get a line of text
        text = gets( handle )
        if atom( text ) then
            exit   --EOF
        end if

        -- remove line feed
        text=replace(text,"\n","")

        text=trims(text)

        if length( text ) = 0 then
            -- ignore blank lines
        end if

        --see dummy test below to see what data looks like
        at=match( "{", text )
        if at then
            XPM&=text[at+1..length(text)]
            start=True
        else
            at=match( "}", text )
            if at then
                XPM&=text[1..at-1]
                exit
            else
                if start then
                    XPM&=text
                end if
            end if
        end if
    end while


--if I need the {} then do
--XPM="{" & XPM & "}"


at=message_box(XPM,"",0)

--dummy test which works
--XPM = {
--"24 24 3 1",
--"          c None",
--".        c #FFFFFF",
--"+        c #808080",
--"                        ",
--"                        ",
--"                        ",
--"                        ",
--"                        ",
--"                        ",
--"                        ",
--"........................",
--"                       +",
--"+++++++++++++++++      +",
--"                .    . +",
--"                .   .+ +",
--"                .  .+. +",
--"                . .+.+ +",
--"..................+.+  +",
--"                       +",
--"++++++++++++++++++++++++",
--"                        ",
--"                        ",
--"                        ",
--"                        ",
--"                        ",
--"                        ",
--"                        "}

if length( XPM ) then
    hdib=xpmToPixmap(XPM)
    repaintWindow( win )
end if

end procedure

procedure paint_win(integer x1, integer y1, integer x2, integer y2)
    transBlt(win,10,10,hdib)
end procedure
onPaint[win]=routine_id("paint_win")


onOpen[win]=routine_id("onOpen_win")

WinMain( win, Normal )