Fwd: Some question and request for Athens
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Fwd: Some question and request for Athens
 
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Begin forwarded message:
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Re: Fwd: Some question and request for Athens
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2013/3/25 Stéphane Ducasse <[hidden email]>:
> > > Begin forwarded message: > > From: Igor Stasenko <[hidden email]> > Subject: Re: Some question and request for Athens > Date: March 25, 2013 2:57:33 PM GMT+01:00 > To: Tristan Bourgois <[hidden email]> > Cc: Stéphane Ducasse <[hidden email]>, LE PORS Eric > <[hidden email]> > > On 25 March 2013 11:45, Tristan Bourgois <[hidden email]> wrote: > > Hi Igor! > > I have some questions and request for Athens :) > > 1 Do exist a possibility in Athens to draw a Surface on a Surface? > For example : > aSurf drawSurface: anOtherSurface at: aPosition > (I need it for draw image on a surface) > > > yes. You can use Forms or surfaces as paints so they act like 2D textures: > > canvas setPaint: someSurface. > canvas drawShape: myRect. Thanks that's works fine :) > > 2 About my first question, I try to draw a png image on a Surface and > I get some strange behavior. When nothing is applied on my first > surface and draw the image in a rectangle path I crash the VM! > This an example I tried and crash my VM: > > |surf pharoLogo ref path patternPaint| > surf := AthensCairoSurface extent: 600@600. > > ref := 'pharo.png' asFileReference. > pharoLogo := AthensCairoSurface createFromFile: ref fullName ifFailed:[nil]. > > surf drawDuring: [:can| > surf clear. > patternPaint := can setPaint: pharoLogo. > patternPaint setExtend: #None. > can drawShape: (0@0 extent: pharoLogo extent). > ]. > Display getCanvas drawImage: surf asForm at: 0@0. > > If you need more information about the crash and my environment ask it :) > > weird... it should be working fine. I try it on a new clean image and again get a VM crash. > 3. Do exist something in Athens to create some text and get the extent > of the text? I tried to draw text but I only succeed to draw a text > without font (only width) and I don't found how to get the extent of > this text :( This is really important for the next of the porting > because I'm blocking on that and the textModel is not necessary for > the next of my work because they already have a layoutManager for the > text. > > You can use freetype to measure text extent. Please look how i doing it with > AthensTextScanner. > Because the default methods of freetype using rounding for font size(s), > which is not really nice. > I added more precise methods, which do not do any rounding and using > them for measuring > text extent. > > Try this: > > text := 'asdsdgs' asText. > lines := (AthensTextComposer scan: text for: AthensTextScanner new) lines. > > lines first width. > > will give you the width. > > (but for that to work, your default font should be TTF font) Sorry for the newbie question but how I can change the default font to TTF font? > Thanks Igor :) > > Tristan > > PS: The porting advance as well :) I have animation and that's really > amazing :) > > > > > -- > Best regards, > Igor Stasenko. > > |
Re: Fwd: Some question and request for Athens
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Indeed, I second the newbie question: how do we set TrueType fonts :)? Doru On Tue, Mar 26, 2013 at 11:29 AM, Tristan Bourgois <[hidden email]> wrote: 2013/3/25 Stéphane Ducasse <[hidden email]>: "Every thing has its own flow"
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Re: Fwd: Some question and request for Athens
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On 26 March 2013 11:32, Tudor Girba <[hidden email]> wrote:
> Indeed, I second the newbie question: how do we set TrueType fonts :)? > system settings -> appearance turn on "use freetype" then go to "standard fonts" and choose any truetype font you like as default. > Doru > > > On Tue, Mar 26, 2013 at 11:29 AM, Tristan Bourgois > <[hidden email]> wrote: >> >> 2013/3/25 Stéphane Ducasse <[hidden email]>: >> > >> > >> > Begin forwarded message: >> > >> > From: Igor Stasenko <[hidden email]> >> > Subject: Re: Some question and request for Athens >> > Date: March 25, 2013 2:57:33 PM GMT+01:00 >> > To: Tristan Bourgois <[hidden email]> >> > Cc: Stéphane Ducasse <[hidden email]>, LE PORS Eric >> > <[hidden email]> >> > >> > On 25 March 2013 11:45, Tristan Bourgois <[hidden email]> >> > wrote: >> > >> > Hi Igor! >> > >> > I have some questions and request for Athens :) >> > >> > 1 Do exist a possibility in Athens to draw a Surface on a Surface? >> > For example : >> > aSurf drawSurface: anOtherSurface at: aPosition >> > (I need it for draw image on a surface) >> > >> > >> > yes. You can use Forms or surfaces as paints so they act like 2D >> > textures: >> > >> > canvas setPaint: someSurface. >> > canvas drawShape: myRect. >> >> Thanks that's works fine :) >> >> > >> > 2 About my first question, I try to draw a png image on a Surface and >> > I get some strange behavior. When nothing is applied on my first >> > surface and draw the image in a rectangle path I crash the VM! >> > This an example I tried and crash my VM: >> > >> > |surf pharoLogo ref path patternPaint| >> > surf := AthensCairoSurface extent: 600@600. >> > >> > ref := 'pharo.png' asFileReference. >> > pharoLogo := AthensCairoSurface createFromFile: ref fullName >> > ifFailed:[nil]. >> > >> > surf drawDuring: [:can| >> > surf clear. >> > patternPaint := can setPaint: pharoLogo. >> > patternPaint setExtend: #None. >> > can drawShape: (0@0 extent: pharoLogo extent). >> > ]. >> > Display getCanvas drawImage: surf asForm at: 0@0. >> > >> > If you need more information about the crash and my environment ask it >> > :) >> > >> > weird... it should be working fine. >> >> I try it on a new clean image and again get a VM crash. >> >> > 3. Do exist something in Athens to create some text and get the extent >> > of the text? I tried to draw text but I only succeed to draw a text >> > without font (only width) and I don't found how to get the extent of >> > this text :( This is really important for the next of the porting >> > because I'm blocking on that and the textModel is not necessary for >> > the next of my work because they already have a layoutManager for the >> > text. >> > >> > You can use freetype to measure text extent. Please look how i doing it >> > with >> > AthensTextScanner. >> > Because the default methods of freetype using rounding for font size(s), >> > which is not really nice. >> > I added more precise methods, which do not do any rounding and using >> > them for measuring >> > text extent. >> > >> > Try this: >> > >> > text := 'asdsdgs' asText. >> > lines := (AthensTextComposer scan: text for: AthensTextScanner new) >> > lines. >> > >> > lines first width. >> > >> > will give you the width. >> > >> > (but for that to work, your default font should be TTF font) >> >> Sorry for the newbie question but how I can change the default font to TTF >> font? >> >> > Thanks Igor :) >> > >> > Tristan >> > >> > PS: The porting advance as well :) I have animation and that's really >> > amazing :) >> > >> > >> > >> > >> > -- >> > Best regards, >> > Igor Stasenko. >> > >> > >> > > > > -- > www.tudorgirba.com > > "Every thing has its own flow" -- Best regards, Igor Stasenko. |
Re: Fwd: Some question and request for Athens
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In reply to this post by Tristan Bourgois-2
On 26 March 2013 11:29, Tristan Bourgois <[hidden email]> wrote:
> 2013/3/25 Stéphane Ducasse <[hidden email]>: >> >> >> Begin forwarded message: >> >> From: Igor Stasenko <[hidden email]> >> Subject: Re: Some question and request for Athens >> Date: March 25, 2013 2:57:33 PM GMT+01:00 >> To: Tristan Bourgois <[hidden email]> >> Cc: Stéphane Ducasse <[hidden email]>, LE PORS Eric >> <[hidden email]> >> >> On 25 March 2013 11:45, Tristan Bourgois <[hidden email]> wrote: >> >> Hi Igor! >> >> I have some questions and request for Athens :) >> >> 1 Do exist a possibility in Athens to draw a Surface on a Surface? >> For example : >> aSurf drawSurface: anOtherSurface at: aPosition >> (I need it for draw image on a surface) >> >> >> yes. You can use Forms or surfaces as paints so they act like 2D textures: >> >> canvas setPaint: someSurface. >> canvas drawShape: myRect. > > Thanks that's works fine :) > >> >> 2 About my first question, I try to draw a png image on a Surface and >> I get some strange behavior. When nothing is applied on my first >> surface and draw the image in a rectangle path I crash the VM! >> This an example I tried and crash my VM: >> >> |surf pharoLogo ref path patternPaint| >> surf := AthensCairoSurface extent: 600@600. >> >> ref := 'pharo.png' asFileReference. >> pharoLogo := AthensCairoSurface createFromFile: ref fullName ifFailed:[nil]. >> >> surf drawDuring: [:can| >> surf clear. >> patternPaint := can setPaint: pharoLogo. >> patternPaint setExtend: #None. >> can drawShape: (0@0 extent: pharoLogo extent). >> ]. >> Display getCanvas drawImage: surf asForm at: 0@0. >> >> If you need more information about the crash and my environment ask it :) >> >> weird... it should be working fine. > > I try it on a new clean image and again get a VM crash. okay, then i need more information :) -- Best regards, Igor Stasenko. |
Re: Fwd: Some question and request for Athens
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In reply to this post by Igor Stasenko
Hi Igor, Thanks. I managed that also in 1.4, but my question was about how to set a TT font programmatically. Cheers, Doru On Tue, Mar 26, 2013 at 2:20 PM, Igor Stasenko <[hidden email]> wrote:
"Every thing has its own flow"
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Re: Fwd: Some question and request for Athens
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On 26 March 2013 15:32, Tudor Girba <[hidden email]> wrote:
> Hi Igor, > > Thanks. I managed that also in 1.4, but my question was about how to set a > TT font programmatically. > where? you know, if you right-click on setting in settings browser and then click "browse", you will find a place where this setting is defined and then a little of investigation will lead you to some class var/etc which you can change programmatically in a way you want. > Cheers, > Doru > > > > On Tue, Mar 26, 2013 at 2:20 PM, Igor Stasenko <[hidden email]> wrote: >> >> On 26 March 2013 11:32, Tudor Girba <[hidden email]> wrote: >> > Indeed, I second the newbie question: how do we set TrueType fonts :)? >> > >> system settings -> appearance >> turn on "use freetype" >> then go to "standard fonts" and choose any truetype font you like as >> default. >> >> > Doru >> > >> > >> > On Tue, Mar 26, 2013 at 11:29 AM, Tristan Bourgois >> > <[hidden email]> wrote: >> >> >> >> 2013/3/25 Stéphane Ducasse <[hidden email]>: >> >> > >> >> > >> >> > Begin forwarded message: >> >> > >> >> > From: Igor Stasenko <[hidden email]> >> >> > Subject: Re: Some question and request for Athens >> >> > Date: March 25, 2013 2:57:33 PM GMT+01:00 >> >> > To: Tristan Bourgois <[hidden email]> >> >> > Cc: Stéphane Ducasse <[hidden email]>, LE PORS Eric >> >> > <[hidden email]> >> >> > >> >> > On 25 March 2013 11:45, Tristan Bourgois <[hidden email]> >> >> > wrote: >> >> > >> >> > Hi Igor! >> >> > >> >> > I have some questions and request for Athens :) >> >> > >> >> > 1 Do exist a possibility in Athens to draw a Surface on a Surface? >> >> > For example : >> >> > aSurf drawSurface: anOtherSurface at: aPosition >> >> > (I need it for draw image on a surface) >> >> > >> >> > >> >> > yes. You can use Forms or surfaces as paints so they act like 2D >> >> > textures: >> >> > >> >> > canvas setPaint: someSurface. >> >> > canvas drawShape: myRect. >> >> >> >> Thanks that's works fine :) >> >> >> >> > >> >> > 2 About my first question, I try to draw a png image on a Surface and >> >> > I get some strange behavior. When nothing is applied on my first >> >> > surface and draw the image in a rectangle path I crash the VM! >> >> > This an example I tried and crash my VM: >> >> > >> >> > |surf pharoLogo ref path patternPaint| >> >> > surf := AthensCairoSurface extent: 600@600. >> >> > >> >> > ref := 'pharo.png' asFileReference. >> >> > pharoLogo := AthensCairoSurface createFromFile: ref fullName >> >> > ifFailed:[nil]. >> >> > >> >> > surf drawDuring: [:can| >> >> > surf clear. >> >> > patternPaint := can setPaint: pharoLogo. >> >> > patternPaint setExtend: #None. >> >> > can drawShape: (0@0 extent: pharoLogo extent). >> >> > ]. >> >> > Display getCanvas drawImage: surf asForm at: 0@0. >> >> > >> >> > If you need more information about the crash and my environment ask >> >> > it >> >> > :) >> >> > >> >> > weird... it should be working fine. >> >> >> >> I try it on a new clean image and again get a VM crash. >> >> >> >> > 3. Do exist something in Athens to create some text and get the >> >> > extent >> >> > of the text? I tried to draw text but I only succeed to draw a text >> >> > without font (only width) and I don't found how to get the extent of >> >> > this text :( This is really important for the next of the porting >> >> > because I'm blocking on that and the textModel is not necessary for >> >> > the next of my work because they already have a layoutManager for the >> >> > text. >> >> > >> >> > You can use freetype to measure text extent. Please look how i doing >> >> > it >> >> > with >> >> > AthensTextScanner. >> >> > Because the default methods of freetype using rounding for font >> >> > size(s), >> >> > which is not really nice. >> >> > I added more precise methods, which do not do any rounding and using >> >> > them for measuring >> >> > text extent. >> >> > >> >> > Try this: >> >> > >> >> > text := 'asdsdgs' asText. >> >> > lines := (AthensTextComposer scan: text for: AthensTextScanner new) >> >> > lines. >> >> > >> >> > lines first width. >> >> > >> >> > will give you the width. >> >> > >> >> > (but for that to work, your default font should be TTF font) >> >> >> >> Sorry for the newbie question but how I can change the default font to >> >> TTF >> >> font? >> >> >> >> > Thanks Igor :) >> >> > >> >> > Tristan >> >> > >> >> > PS: The porting advance as well :) I have animation and that's really >> >> > amazing :) >> >> > >> >> > >> >> > >> >> > >> >> > -- >> >> > Best regards, >> >> > Igor Stasenko. >> >> > >> >> > >> >> >> > >> > >> > >> > -- >> > www.tudorgirba.com >> > >> > "Every thing has its own flow" >> >> >> >> -- >> Best regards, >> Igor Stasenko. >> > > > > -- > www.tudorgirba.com > > "Every thing has its own flow" -- Best regards, Igor Stasenko. |
Re: Fwd: Some question and request for Athens
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And if you want to be lazier, you can export the setting in your preference file, and have a look then :)
Ben On Mar 26, 2013, at 4:23 PM, Igor Stasenko <[hidden email]> wrote: On 26 March 2013 15:32, Tudor Girba <[hidden email]> wrote:Hi Igor, |
Re: Fwd: Some question and request for Athens
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In reply to this post by Igor Stasenko
2013/3/26 Igor Stasenko <[hidden email]>:
> On 26 March 2013 11:29, Tristan Bourgois <[hidden email]> wrote: >> 2013/3/25 Stéphane Ducasse <[hidden email]>: >>> >>> >>> Begin forwarded message: >>> >>> From: Igor Stasenko <[hidden email]> >>> Subject: Re: Some question and request for Athens >>> Date: March 25, 2013 2:57:33 PM GMT+01:00 >>> To: Tristan Bourgois <[hidden email]> >>> Cc: Stéphane Ducasse <[hidden email]>, LE PORS Eric >>> <[hidden email]> >>> >>> On 25 March 2013 11:45, Tristan Bourgois <[hidden email]> wrote: >>> >>> Hi Igor! >>> >>> I have some questions and request for Athens :) >>> >>> 1 Do exist a possibility in Athens to draw a Surface on a Surface? >>> For example : >>> aSurf drawSurface: anOtherSurface at: aPosition >>> (I need it for draw image on a surface) >>> >>> >>> yes. You can use Forms or surfaces as paints so they act like 2D textures: >>> >>> canvas setPaint: someSurface. >>> canvas drawShape: myRect. >> >> Thanks that's works fine :) >> >>> >>> 2 About my first question, I try to draw a png image on a Surface and >>> I get some strange behavior. When nothing is applied on my first >>> surface and draw the image in a rectangle path I crash the VM! >>> This an example I tried and crash my VM: >>> >>> |surf pharoLogo ref path patternPaint| >>> surf := AthensCairoSurface extent: 600@600. >>> >>> ref := 'pharo.png' asFileReference. >>> pharoLogo := AthensCairoSurface createFromFile: ref fullName ifFailed:[nil]. >>> >>> surf drawDuring: [:can| >>> surf clear. >>> patternPaint := can setPaint: pharoLogo. >>> patternPaint setExtend: #None. >>> can drawShape: (0@0 extent: pharoLogo extent). >>> ]. >>> Display getCanvas drawImage: surf asForm at: 0@0. on a Windows XP pro) >>> If you need more information about the crash and my environment ask it :) >>> >>> weird... it should be working fine. >> >> I try it on a new clean image and again get a VM crash. > > okay, then i need more information :) I send the report of the crash in the mail. Tristan > -- > Best regards, > Igor Stasenko. > |
crash.dmp (19K)
Re: Fwd: Some question and request for Athens
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On 27 March 2013 14:44, Tristan Bourgois <[hidden email]> wrote:
> 2013/3/26 Igor Stasenko <[hidden email]>: >> On 26 March 2013 11:29, Tristan Bourgois <[hidden email]> wrote: >>> 2013/3/25 Stéphane Ducasse <[hidden email]>: >>>> >>>> >>>> Begin forwarded message: >>>> >>>> From: Igor Stasenko <[hidden email]> >>>> Subject: Re: Some question and request for Athens >>>> Date: March 25, 2013 2:57:33 PM GMT+01:00 >>>> To: Tristan Bourgois <[hidden email]> >>>> Cc: Stéphane Ducasse <[hidden email]>, LE PORS Eric >>>> <[hidden email]> >>>> >>>> On 25 March 2013 11:45, Tristan Bourgois <[hidden email]> wrote: >>>> >>>> Hi Igor! >>>> >>>> I have some questions and request for Athens :) >>>> >>>> 1 Do exist a possibility in Athens to draw a Surface on a Surface? >>>> For example : >>>> aSurf drawSurface: anOtherSurface at: aPosition >>>> (I need it for draw image on a surface) >>>> >>>> >>>> yes. You can use Forms or surfaces as paints so they act like 2D textures: >>>> >>>> canvas setPaint: someSurface. >>>> canvas drawShape: myRect. >>> >>> Thanks that's works fine :) >>> >>>> >>>> 2 About my first question, I try to draw a png image on a Surface and >>>> I get some strange behavior. When nothing is applied on my first >>>> surface and draw the image in a rectangle path I crash the VM! >>>> This an example I tried and crash my VM: >>>> >>>> |surf pharoLogo ref path patternPaint| >>>> surf := AthensCairoSurface extent: 600@600. >>>> >>>> ref := 'pharo.png' asFileReference. >>>> pharoLogo := AthensCairoSurface createFromFile: ref fullName ifFailed:[nil]. >>>> >>>> surf drawDuring: [:can| >>>> surf clear. >>>> patternPaint := can setPaint: pharoLogo. >>>> patternPaint setExtend: #None. >>>> can drawShape: (0@0 extent: pharoLogo extent). >>>> ]. >>>> Display getCanvas drawImage: surf asForm at: 0@0. > > Did this code work fine on your image or other machine? (I'm working > on a Windows XP pro) > To workaround this, you can try to load .png into a form: Form fromBynaryStream: (ref ... readStream) >>>> If you need more information about the crash and my environment ask it :) >>>> >>>> weird... it should be working fine. >>> >>> I try it on a new clean image and again get a VM crash. >> >> okay, then i need more information :) > > I send the report of the crash in the mail. > yes, i see there's some problem.. but cannot tell anything why it happens. > Tristan > >> -- >> Best regards, >> Igor Stasenko. >> -- Best regards, Igor Stasenko. |
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