On Tue, 5 May 2009, Luca Olivetti wrote:
> En/na Graeme Geldenhuys ha escrit: > > On Tue, May 5, 2009 at 9:30 AM, Michael Van Canneyt > > <mich...@freepascal.org> wrote: > > > When designing FPCanvas and so on, streaming was not taken into > > > consideration > > > at all. The point was to be able to represent all possible colors, > > > independent > > > of a GUI system or streaming system. > > > > Fair enough.... Design without any perceived limitations. ;-) > > > > > > * Can the Reader/Writer support TFPColor > > > No, because records cannot be published. To do this, you'd need something > > > like a TGUIColor wrapper, which is a TPersistent: > > > > > > Clever idea - I like that. A quick test revealed that streaming to LFM > > will look like this: > > I'm not sure, but I think that if it is a visual component, changing its color > it should invalidate/redraw itself. > With 4 properties it will be redrawn 4 times instead of just one. There are various ways around this. beginupdate/endupdate for instance. Setting .Color will set all 4 components at once, and should redraw only once. If, of course, you choose to set the RGB separately, then you'll redraw 4 times. But that is up to you. Michael. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
