Re: [lazarus] How to get transparent images from TImageList?

[Gerard N/A]

If I run project1, the images are displayed Ok, even if I add the ones that
I used in my own project.

Re: [lazarus] How to get transparent images from TImageList?

[Marc Weustink]

Gerard N/A wrote:
If I run project1, the images are displayed Ok, even if I add the ones 
that I used in my own project.


hmm if you added them to the imagelist at designtime, then I wonder 
what goes wrong..


Marc

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Re: [lazarus] How to get transparent images from TImageList?

[Marc Weustink]

Gerard N/A wrote:

Hi all,

I am writing a little app with Lazarus (SVN 13389) wich has two toolbars 
with several buttons each.
There is an action list with some actions assinged to toolbar buttons, 
some to main menu items, and some to both.
I droped a TImageList, added some 16X16 pixels bitmaps with a fuchsia 
background , and assigned the image list to the toolbar and menus, and 
each image index to the buttons and menu items.
At design-time, when I first open the  Imagelist dialog, the bitmaps 
disappear from buttons and menu items.

Closing Lazarus and starting it again, and the bitmaps show up again.
That's anoying, but I can live with that.
The problem is that the images show up with the fuchsia background.
I think I have tried all the possible combinations of bkColor, 
BlendColor, DrawingStyle, etc.. for the imagelist, but there is no way 
to have transparency.
I loaded one more bitmap with a white background, and with bkColor and 
BlendColor set to clWhite, it works.

Any hints?


First, what OS and what screen resolution (depth)

Marc

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Re: [lazarus] How to get transparent images from TImageList?

[Gerard N/A]

Sorry, I forgot to add:
- Win Xp Pro.
- NVidia GForce 5200
- 1024 X 768,  32 bits

Re: [lazarus] How to get transparent images from TImageList?

[Marc Weustink]

Gerard N/A wrote:

Sorry, I forgot to add:
- Win Xp Pro.
- NVidia GForce 5200
- 1024 X 768,  32 bits


Try running the next example. If it works, then the imagelist is doing 
something wrong, else the lcl.


Marc

http://lazarus.dommelstein.nl/mytest/imagelist

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[lazarus] How to get transparent images from TImageList?

[Gerard N/A]

Hi all,

I am writing a little app with Lazarus (SVN 13389) wich has two toolbars
with several buttons each.
There is an action list with some actions assinged to toolbar buttons, some
to main menu items, and some to both.
I droped a TImageList, added some 16X16 pixels bitmaps with a fuchsia
background , and assigned the image list to the toolbar and menus, and each
image index to the buttons and menu items.
At design-time, when I first open the  Imagelist dialog, the bitmaps
disappear from buttons and menu items.
Closing Lazarus and starting it again, and the bitmaps show up again.
That's anoying, but I can live with that.
The problem is that the images show up with the fuchsia background.
I think I have tried all the possible combinations of bkColor, BlendColor,
DrawingStyle, etc.. for the imagelist, but there is no way to have
transparency.
I loaded one more bitmap with a white background, and with bkColor and
BlendColor set to clWhite, it works.
Any hints?

Regards,

Gerard.