[Gambas-user] Coordinate system in Gambas Graphics

[Fabien Bodard]

i apologize,  it seem i was really tired the night I've read your mail ...




2008/12/5 Charles Capaday <Charles.Capaday at ...2023...>:
> Grazie, this is the best answer I got, most others seemed to say there was no such thing, which frankly surprised me.
>
>                                                                        Cheers,
>
>
> Dr. Charles Capaday
> Professor & Director
> Brain and Movement Lab.
> Dept. of Anatomy & Physiology
> Faculty of Medicine, Laval University
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>> -----Original Message-----
>> From: Doriano Blengino [mailto:doriano.blengino at ...1909...]
>> Sent: 5 décembre 2008 11:24
>> To: mailing list for gambas users
>> Subject: Re: [Gambas-user] Coordinate system in Gambas Graphics
>>
>> Charles Capaday ha scritto:
>> > Thanks draw.point(x,y) is in pixels, not coordinate values
>> of ones coordinate system, anyway Benoit answered the
>> question there are no commands for coordinate translation and
>> one has to do it oneself, which is not hard, je vous remercie!
>> >
>> Hmm,
>>
>> simple linear transformation is possible by using
>> draw.translate() and draw.scale(); draw.reset() will reset
>> the transformation matrix.
>> Draw.push() and draw.pop() exist to save and restore the matrix.
>>
>> I think this is enough to map simple world 2D coordinates; it
>> is effective and scales everything but text.
>>
>> For more complicated things, they should be implemented in software.
>>
>> Regards,
>> Doriano Blengino
>>
>>
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