How to convert jpg, gif to bmp format

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3 total messages Started by Frankie Thu, 24 Jan 2008 01:01

#131

Author: Frankie
Date: Thu, 24 Jan 2008 01:01

6 lines
1086 bytes

I use TImage to load in jpg stream from a database.
How do I convert this image into a bitmap image?
or from TImage.picture.graphic into TImage.picture.bitmap


Thank you

Re: How to convert jpg, gif to bmp format

#132

Author: Frankie
Date: Thu, 24 Jan 2008 01:30

13 lines
1221 bytes

Sorry, wrong newsgroup

"Frankie" <fleong@tm.net.my> wrote in message 
news:47994ff0$1@newsgroups.borland.com...
>I use TImage to load in jpg stream from a database.
> How do I convert this image into a bitmap image?
> or from TImage.picture.graphic into TImage.picture.bitmap
>
>
> Thank you
>
>
>

Re: How to convert jpg, gif to bmp format

#133

Author: Remy Lebeau (TeamB)
Date: Fri, 25 Jan 2008 04:07

28 lines
1729 bytes

"Frankie" <fleong@tm.net.my> wrote in message
news:47994ff0$1@newsgroups.borland.com...

> I use TImage to load in jpg stream from a database.
> How do I convert this image into a bitmap image?

In order for TImage to work with JPG data, it has to be loaded into a
TJPGImage instance.  Simply Assign() that to a TBitmap.

> or from TImage.picture.graphic into TImage.picture.bitmap

You need to use a separate TBitmap in order to do that, since assigning the
TPicture.Bitmap property will wipe out the existing JPG, ie:

    if not (Image1.Picture.Graphic is TBitmap) then
    begin
        Bmp := TBitmap.Create;
        try
            Bmp.Assign(Image1.Picture.Graphic);
            Image1.Picture.Bitmap.Assign(Bmp);
        finally
            Bmp.Free;
        end;
    end;


Gambit

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