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Date Posted: 17:33:15 10/18/00 Wed
Author: Michel
Subject: Re: Get DIB Failed
In reply to: Martin Valigursky 's message, "Re: Get DIB Failed" on 11:29:41 10/17/00 Tue


Hi Martin,

I'm not sure I have pinpointed the problem, but in your project I was having difficulty

loading files with,

imagebox->LoadFromFile(fullpath.c_str(), 0);

In your archive the textures directory was empty, so added 1 jpg, 1 dcx, 1 pcx, 1 tiff, and

1 ico file.

The 0 parameter in LoadFromFile indicates to load all images of a multipage format inside

the TDibGraphic itself; this is only used with animations. Generally it should be 1. By

replacing it with,

imagebox->LoadFromFile(fullpath.c_str(), 1);

all the images were loaded properly in the image list.

Could you verify if this makes a difference in your environment?

I was not able to get this call,

CreateDibSection( FDC, Windows.PBitmapInfo(@FBitmapInfo)^, DIB_RGB_COLORS, Pointer(FBits),

0, 0) to fail. If you are still having problems could you email me some sample jpg files you

are using.


There may be something broken in the LoadFromFile with 0 as the ImageNo parameter. I will

investigate this furthur.

Best regards,

Michel

> Hello
>
> I have the same problem on Win98 and Win2000. As well
> as few other people in company.
>
> Martin
>
> >
> > Hi Martin,
> >
> > Thank you for the test project. I will be running
> > tests very shortly. James mentionned that
> >
> > he only experienced the problem under Win98. Are you
> > running on Win98?
> >
> > Best regards,
> >
> > Michel
> >
> > > Hello Michel
> > >
> > > Small images, all of them. Up to 256x256. I've
> > created
> > > small project. Enyone can download it from
> > >
> > >
> >
> <a rel=nofollow target=_blank href="http://www.geocities.com/valigursky/envision/envtest.zi">http://www.geocities.com/valigursky/envision/envtest.zi</a>
> > > p
> > >
> > > and try and report. Just remember to put some
> > pictures
> > > (a lot of them) into Textures folder and start exe.
> > If
> > > you start without textures, it crashes, I didn't
> > fixed
> > > that, just an example.
> > >
> > >
> > > Martin
> > >
> > > >
> > > > Hi Martin,
> > > >
> > > > I'm not sure about this. Are these very large
> > images?
> > > > Does this happen on specific
> > > > images or any image? If you can create a very
> > simple
> > > > project that reproduces this, you may email it to
> > me.
> > > >
> > > > Best regards,
> > > >
> > > > Michel
> > > >
> > > > > When loading images I often have the message
> > GetDIB
> > > > > Failed, mostly when loading many images in
> short
> > > time
> > > > > (like creating thumbnails). I free all the
> momory
> > > (I
> > > > > recreate TImageScrollBox and free it for every
> > > single
> > > > > picture). I know that this is a windows
> problem,
> > > but
> > > > > can I do anything with that?
> > > > >
> > > > > Thank you
> > > > > Martin

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