[REBOL] Re: VID Problem: not enough memory
From: carl:cybercraft at: 1-Nov-2002 23:52
On 01-Nov-02, Graham Chiu wrote:
> On Fri, 01 Nov 2002 21:13:40 +1200
> Carl Read <[carl--cybercraft--co--nz]> wrote:
>>
>> view layout [
>> box blue effect [
>> draw [
>> pen white
>> line 5x5 95x80
>> pen black
>> line 95x80 5x5
>> ]
>> ]
>> ]
>>
>> As I do on Amiga. As the black line is drawn between the
>> same two
>> points as the white one, shouldn't it perfectly cover the
>> white line?
>>
> Yep, XP I get the dotted white line. Perhaps it's because
> different calculations are involved in drawing the second
> line?
I'd think same calculations, different direction. For instance, both
of these are valid ways to draw a line from 2x1 to 4x2...
XXXXXXX
XX XXX
XXXX XX
XXXXXXX
XXXXXXX
XX XXXX
XXX XX
XXXXXXX
It's just that they don't match - unless you turn the bottom one
upside down. Anyway, I'll submit it to feedback.
--
Carl Read
