OK, I have changed your script by adding these lines to the mouseUp handler
set the backgroundColor of grc "myPoly" to red
set the forecolor of grc "myPoly" to blue
Now if you switch the lines on/off you will see that the fill does not
work without all lines.
Not sure what this means exactly.
Thanks
Terry
> On 4 Apr 2021, at 18:43, Ian McKnight via use-livecode <
use-livecode@lists.runrev.com> wrote:
>
> I have to say that I'm not seeing this.
> I seem to remember that graphics can't show a fill unless all lines are
> visible.
> As a test I created a graphic called "myPoly" .
> I placed a checkbox called "showSides" (and removed its script)
> in a button I placed the following script:
>
>
-----------------------------------------------------------------------------
>
> *on* mouseUp
>
> *-- points for a 100 unit square with 4 sides visible*
>
> *put* "50,50" &cr& "150,50" &cr& "150,150" &cr& "50,150" &cr& "50,50" &cr
> into tPointsFor4Lines
>
> *-- points for a 100 unit square with alternate sides visible*
>
> *put* "50,50" &cr& "150,50" &cr& cr& "150,150" &cr& "50,150" &cr &cr&
> "50,50" &cr into tPointsFor2Lines
>
> *set* the opaque of grc "myPoly" to true *-- ensures fill is visible*
>
> *if* the hilite of btn "showSides" is true
>
> *then*
>
> *set* the points of grc "myPoly" to tPointsFor4Lines *-- all sides
showing*
>
> *else*
>
> *set* the points of grc "myPoly" to tPointsFor2Lines *-- alternate sides
> showing*
>
> *end* *if*
>
> *end* mouseUp
>
>
----------------------------------------------------------------------------------
>
> When you run this and flip between 4 and 2 sides its showing the square
is
> drawn correctly,
>
> 4 sides visible - filled and 2 sides visible - not filled
>
> If you check the Inspector for the graphic the opaque property hasn't
> changed.
>
> The only way I can think to overcome this is to create another graphic -
> the same size as your first one, place it underneath your graphic and
group
> them together. Then when all sides are visible you can make this
background
> graphic invisible and when sides are 'missing' make it visible again to
> provide the fill or simply leave it visible since it won't be seen under
> your original graphic. When sides 'disappear' and the fill disappears
this
> graphic will then provide your fill.
>
>
> Hope this is of some help
>
> Regards
>
> Ian
>
>
> On Sun, 4 Apr 2021 at 18:04, Terence Heaford via use-livecode <
> use-livecode@lists.runrev.com> wrote:
>
>> When you do this it appears to affect the fill settings. I lose the fill
>> where there are no lines and the closure of the points also moves.
>>
>> I can’t believe it’s LC, it must be me. A simple script example would be
>> useful if you have the time.
>>
>> A square, that’s easy, that has the side lines missing and is filled
with
>> a colour.
>>
>> Regards
>>
>> Terry
>>
>>
>>> On 4 Apr 2021, at 15:39, Ian McKnight via use-livecode <
>> use-livecode@lists.runrev.com> wrote:
>>>
>>> By a space I mean a blank line!
>>> Ian
>>>
>>> On Sun, 4 Apr 2021 at 15:39, Ian McKnight <iangmckni...@gmail.com
>> <mailto:iangmckni...@gmail.com>> wrote:
>>>
>>>> Hi
>>>> Put a space in-between the points where you want the line in not be
>>>> drawn. The shape is still constructed but with missing sides.
>>>>
>>>> Ian
>>>>
>>>> On Sun, 4 Apr 2021 at 15:02, Terence Heaford via use-livecode <
>>>> use-livecode@lists.runrev.com> wrote:
>>>>
>>>>> Thanks for that, clearly understood.
>>>>>
>>>>> To expand on the original question. If you have a hexagon, is it
>>>>> possible to only draw lines on sides 1,3,5,6 and no lines on sides
>> 2,4.
>>>>>
>>>>> Thanks Terry
>>>>>
>>>>>> On 4 Apr 2021, at 12:43, Ian McKnight via use-livecode <
>>>>> use-livecode@lists.runrev.com> wrote:
>>>>>>
>>>>>> Yes. Polygons use a list of 4 points to describe a triangle. The
>> first
>>>>> and
>>>>>> last are the co-ords of the same vertex to ensure closure.
>>>>>> If the last point is left out then the line between the last vertex
>> and
>>>>> the
>>>>>> first vertex is not drawn.
>>>>>> So make sure that your list of points doesn't begin with the right
>> angle
>>>>>> vertex and you're good to go.
>>>>>>
>>>>>> Ian
>>>>>>
>>>>>>
>>>>>>> On Sun, 4 Apr 2021 at 12:12, Terence Heaford via use-livecode <
>>>>>>> use-livecode@lists.runrev.com> wrote:
>>>>>>>
>>>>>>> If I draw a shape using a polygon, as an example assume a right
>> angled
>>>>>>> triangle.
>>>>>>>
>>>>>>> Is it possible to hide the line between the points that make up the
>>>>>>> hypotenuse?
>>>>>>>
>>>>>>> Thanks
>>>>>>>
>>>>>>> Terry
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Regards
>>>>>>
>>>>>>
>>>>>> Ian McKnight
>>>>>>
>>>>>> iangmckni...@gmail.com
>>>>>> =======================
>>>>>> _______________________________________________
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>>>>>> Please visit this url to subscribe, unsubscribe and manage your
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>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>
>>>>
>>>> --
>>>> Regards
>>>>
>>>>
>>>> Ian McKnight
>>>>
>>>> iangmckni...@gmail.com
>>>> =======================
>>>>
>>>
>>>
>>> --
>>> Regards
>>>
>>>
>>> Ian McKnight
>>>
>>> iangmckni...@gmail.com <mailto:iangmckni...@gmail.com>
>>> =======================
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>
>
> --
> Regards
>
>
> Ian McKnight
>
> iangmckni...@gmail.com
> =======================
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