[Tile-dev] Re: tile patch

[Joe E. <jen...@fl...>]

[Cc: tkt...@li... ]


On tcl-mac, Mats Bengtsson wrote:
> 
> I've put a patch for the tile project at:
> http://sourceforge.net/tracker/index.php?func=detail&aid=1157739&group_id=114
> 64&atid=311464
> 
> This was supposed to be a fix for the pyjamas stripe alignment glitches
> on 10.2 but doesn't work. This is either due to an Apple bug or
> me misunderstanding something fundamental here:
> *	Apple docs says:
> *      "ApplyThemeBackground aligns patterns based on the rectangle passed in
>  the bounds parameter. This
> *	is in contrast to the function SetThemeBackground (page 78), which alig
> ns patterns based on the
> *	origin of the current port."
> */
> 
> but this doesn't work like this. The pattern offset is always the same
> independent of the top of rectangle.
> 
> Anyone has any ideas...


The tile widgets draw everything on a pixmap, (an "offscreen 
graphics world" in QuickDraw terminology) then blit the pixmap 
contents to the screen when finished.

So the origin of the Drawable passed to an element *Draw() routine
will always be the origin of the widget, not the top-level window, 
and the pinstripes won't always line up.

I don't have any good ideas how to fix this.



--Joe English

  jen...@fl...