[Lazarus] TColor and alpha channel
nc-gaertnma at netcologne.de
Wed May 30 23:33:57 CEST 2012
On Wed, 30 May 2012 22:38:00 +0200
Krzysztof <dibo20 at wp.pl> wrote:
> Does TColor has alpha channel?
> I am confused because wiki says that it
> doesn't but delphi TColor has (I always thought that he doesn't have
> too, maybe it is new Delphi 2010?). If not, maybe exists any
> equivalent type or possibility write own TColorEx = longint which
> include standard TColor and byte with alpha?
TColor supports special colors:
clNone = TColor($1FFFFFFF);
clDefault = TColor($20000000);
SYS_COLOR_BASE = TColorRef($80000000);
clScrollBar = TColor(SYS_COLOR_BASE or COLOR_SCROLLBAR);
TFPColor supports RGB colors with alpha.
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