Rotated Text, Animation and .png Sequences

> GentleSqueakerFolk:
>
> I've been able to get really good results with standard text objects
> found in Squeak, except when I rotate them.  All the antialiasing
> goes out the window.  Any way to fix that?
>
> The same thing happens when I import .png files with alpha channel.
> They look great, full-sized and even when I scale them down.  But
> antialiasing is destroyed the moment I rotate the graphic.  What
> occurs to me is that, if I want to animate a graphic rotating, I
> should just produce the animation externally and import it into
> Squeak, either as a sequence of 32 bit .png images or one at a time.
> It would be crucial to preserve the transparent background of the
> images so that they can be used as a "sprite".  What is the step by
> step procedure for doing this in the most economical fashion?
>
> To choreograph several animations that respond to various user input,
> I'm used to creating this with a timeline analogy as the means,  with
> "actions" applied, either at a given time, or as a result of a user's
> action.  What is the procedure for creating a scene with several
> animations that indicate different states of the same object, which
> appear as a result of user input, (for example, a simple mouseclick)?
>
> Thanks,
>
> Greg Smith
> _______________________________________________
> Beginners mailing list
> [hidden email]
> http://lists.squeakfoundation.org/mailman/listinfo/beginners

> The acrs that i´m trying to create are like smiles of a face.
> I see FaceMorph, Gesture morph, but i do not want to use a PolygonMorph.
>
> Thanks a lot!!!!
> Claudio.
>
> ----- Original Message -----
> From: "Greg Smith" <[hidden email]>
> To: <[hidden email]>
> Sent: Saturday, July 08, 2006 11:34 PM
> Subject: [Newbies] Rotated Text, Animation and .png Sequences
>
>
> > GentleSqueakerFolk:
> >
> > I've been able to get really good results with standard text objects
> > found in Squeak, except when I rotate them.  All the antialiasing
> > goes out the window.  Any way to fix that?
> >
> > The same thing happens when I import .png files with alpha channel.
> > They look great, full-sized and even when I scale them down.  But
> > antialiasing is destroyed the moment I rotate the graphic.  What
> > occurs to me is that, if I want to animate a graphic rotating, I
> > should just produce the animation externally and import it into
> > Squeak, either as a sequence of 32 bit .png images or one at a time.
> > It would be crucial to preserve the transparent background of the
> > images so that they can be used as a "sprite".  What is the step by
> > step procedure for doing this in the most economical fashion?
> >
> > To choreograph several animations that respond to various user input,
> > I'm used to creating this with a timeline analogy as the means,  with
> > "actions" applied, either at a given time, or as a result of a user's
> > action.  What is the procedure for creating a scene with several
> > animations that indicate different states of the same object, which
> > appear as a result of user input, (for example, a simple mouseclick)?
> >
> > Thanks,
> >
> > Greg Smith
> > _______________________________________________
> > Beginners mailing list
> > [hidden email]
> > http://lists.squeakfoundation.org/mailman/listinfo/beginners
>

> Hello Claudio,
>
>
> You may want to give a try to my simple DrGArcMorph in the enclosed
> change set.
>
> To use it:
>
> a :=DrGArcMorph new
> a center: 50@50 radius: 100 origin: 0 length: 3.1415
> a openInWorld
>
> origin and length are in radian unit
>
> Hilaire
>
> Claudio Acciaresi a écrit :
> >  Hello, I`m trying to draw an arc using Morphs, exists an easy way to do
> >  it?
> >  The acrs that i´m trying to create are like smiles of a face.
> >  I see FaceMorph, Gesture morph, but i do not want to use a

> center: aPoint radius: aFloat origin: anOrigin length: aLength
> |step costep sinstep csteX csteY mobile|
> step := 5 / aFloat * aLength sign.
> (aLength / step) abs > 100 ifTrue: [step := aLength / 100].
> costep := step cos.
> sinstep := step sin.
> csteX := aPoint x * (1 - costep) + (aPoint y * sinstep).
> csteY := aPoint y * (1 - costep) - (aPoint x * sinstep).
> mobile := aPoint + (aFloat * (anOrigin cos @ anOrigin sin)).
> vertices := OrderedCollection new add: mobile; yourself.
> 0 to: (aLength / step) truncated -1  do: [:i|
> mobile := (mobile x * costep - (mobile y * sinstep) + csteX)
> @(mobile x * sinstep + (mobile y * costep) + csteY).
> vertices add: mobile].
> mobile := aPoint + (aFloat * ((anOrigin + aLength) cos @ (anOrigin +

> Hello Claudio,
>
>
> You may want to give a try to my simple DrGArcMorph in the enclosed
> change set.
>
> To use it:
>
> a :=DrGArcMorph new
> a center: 50@50 radius: 100 origin: 0 length: 3.1415
> a openInWorld
>
> origin and length are in radian unit
>
> Hilaire
>
> Claudio Acciaresi a écrit :
> >  Hello, I`m trying to draw an arc using Morphs, exists an easy way to do
> >  it?
> >  The acrs that i´m trying to create are like smiles of a face.
> >  I see FaceMorph, Gesture morph, but i do not want to use a

> center: aPoint radius: aFloat origin: anOrigin length: aLength
> |step costep sinstep csteX csteY mobile|
> step := 5 / aFloat * aLength sign.
> (aLength / step) abs > 100 ifTrue: [step := aLength / 100].
> costep := step cos.
> sinstep := step sin.
> csteX := aPoint x * (1 - costep) + (aPoint y * sinstep).
> csteY := aPoint y * (1 - costep) - (aPoint x * sinstep).
> mobile := aPoint + (aFloat * (anOrigin cos @ anOrigin sin)).
> vertices := OrderedCollection new add: mobile; yourself.
> 0 to: (aLength / step) truncated -1  do: [:i|
> mobile := (mobile x * costep - (mobile y * sinstep) + csteX)
> @(mobile x * sinstep + (mobile y * costep) + csteY).
> vertices add: mobile].
> mobile := aPoint + (aFloat * ((anOrigin + aLength) cos @ (anOrigin +

> Thanks a lot for your answer, I file in what you sent me, but DrGArcMorph
> is subclass of DrGPolylineMorph and i do not have this last class.
> Can i install it with SqueakMap?
>
> Claudio.
> ----- Original Message -----
> From: "Hilaire Fernandes" <[hidden email]>
> To: "A friendly place to get answers to even the most basic questions
> aboutSqueak." <[hidden email]>
> Sent: Sunday, July 09, 2006 12:27 PM
> Subject: Re: [Newbies] Drawing an Arc.
>
>
>> Hello Claudio,
>>
>>
>> You may want to give a try to my simple DrGArcMorph in the enclosed
>> change set.
>>
>> To use it:
>>
>> a :=DrGArcMorph new
>> a center: 50@50 radius: 100 origin: 0 length: 3.1415
>> a openInWorld
>>
>> origin and length are in radian unit
>>
>> Hilaire
>>
>> Claudio Acciaresi a écrit :
>>>  Hello, I`m trying to draw an arc using Morphs, exists an easy way to do
>>>  it?
>>>  The acrs that i´m trying to create are like smiles of a face.
>>>  I see FaceMorph, Gesture morph, but i do not want to use a
> PolygonMorph.
>>>  Thanks a lot!!!!
>>>  Claudio.
>
>
> ----------------------------------------------------------------------------
> ----
>
>
>> 'From Squeak3.8 of ''5 May 2005'' [latest update: #6665] on 9 July 2006 at
> 12:23:31 pm'!
>> DrGPolylineMorph subclass: #DrGArcMorph
>> instanceVariableNames: ''
>> classVariableNames: ''
>> poolDictionaries: ''
>> category: 'DrGeoII-GeometryView'!
>>
>> !DrGArcMorph methodsFor: 'accessing' stamp: 'HilaireFernandes 1/17/2006
> 12:29'!
>> center: aPoint radius: aFloat origin: anOrigin length: aLength
>> |step costep sinstep csteX csteY mobile|
>> step := 5 / aFloat * aLength sign.
>> (aLength / step) abs > 100 ifTrue: [step := aLength / 100].
>> costep := step cos.
>> sinstep := step sin.
>> csteX := aPoint x * (1 - costep) + (aPoint y * sinstep).
>> csteY := aPoint y * (1 - costep) - (aPoint x * sinstep).
>> mobile := aPoint + (aFloat * (anOrigin cos @ anOrigin sin)).
>> vertices := OrderedCollection new add: mobile; yourself.
>> 0 to: (aLength / step) truncated -1  do: [:i|
>> mobile := (mobile x * costep - (mobile y * sinstep) + csteX)
>> @(mobile x * sinstep + (mobile y * costep) + csteY).
>> vertices add: mobile].
>> mobile := aPoint + (aFloat * ((anOrigin + aLength) cos @ (anOrigin +
> aLength) sin)).
>> vertices add: mobile.
>> self computeBounds! !
>>
>
>
> ----------------------------------------------------------------------------
> ----
>
>
>> _______________________________________________
>> Beginners mailing list
>> [hidden email]
>> http://lists.squeakfoundation.org/mailman/listinfo/beginners
>>
>
>
>
>
>
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> _______________________________________________
> Beginners mailing list
> [hidden email]
> http://lists.squeakfoundation.org/mailman/listinfo/beginners
>