[lazarus] Bitmap transparency?
nc-gaertnma at netcologne.de
Sat Nov 8 09:37:21 EST 2003
On Sat, 08 Nov 2003 15:34:48 +0100
Micha Nelissen <M.Nelissen at student.tue.nl> wrote:
> How does bitmap transparency work in the lcl?
First of all: it is not completely implemented. (Same with palettes).
> I noticed that recently
> most of the buttons in the IDE aren't transparent anymore on win32. Some
> have a black background, some gray (these look transparent) and others
> are white.
See bitmap.inc ReadStream.
The IDE icons are in xpm format, so they are converted to handles with
The returned handle is up to the interface. For the gtk-interface it is an
internal GDI object, which stores the image, the mask and some other info.
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