[Lazarus] lhelp application fails to compile

Howard Page-Clark hdpc at talktalk.net
Sun Sep 14 17:49:30 CEST 2008

Many thanks, it works a treat (I commented out the TPFReaderTarga line, 
since that function seems to have disappeared as well).
The Readme.txt for the project says:

    From the Help menu choose "Configure Help"
    Change to the "Viewers" tab and select "CHM Help Viewer"

The "CHM Help Viewer" line is no longer present in current Lazarus versions. 
Any idea how to reinstate this correctly?


----- Original Message ----- 
From: "Lord Satan" <reimgrab at web.de>
To: <lazarus at lazarus.freepascal.org>
Sent: Sunday, September 14, 2008 2:37 PM
Subject: Re: [Lazarus] lhelp application fails to compile

> On Sat, 13 Sep 2008 22:44:40 +0100
> "Howard Page-Clark" <hdpc at talktalk.net> wrote:
>> Identifier not found "GetFPImageReaderForFileExtension"
>> Indeed this function is not in any of the graphics units given in the 
>> project's uses clause. > I cannot find it anywhere else either.
>> Can anyone shed any light?
> This function was removed. There was talk about a replacement system for 
> it but I don't know the actual status. I think the easiest way would be to 
> just write a similar function yourself. This is what I did after the 
> removal. But I also changed my code from using TLazIntfImage to using 
> TFPCustomImage. I don't know if this is an option for lhelp.
> Here is my more than simple function:
> function GetFPImageReaderForFileExtension(const FileExt: string
>  ): TFPCustomImageReaderClass;
> begin
>  if FileExt='.bmp' then Result:=TFPReaderBMP;
>  if (FileExt='.jpg') or (FileExt='.jpeg') then Result:=TFPReaderJPEG;
>  if FileExt='.png' then Result:=TFPReaderPNG;
>  if FileExt='.tga' then Result:=TFPReaderTarga;
>  if FileExt='.xpm' then Result:=TFPReaderXPM;
> end;
> hope it helps
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