Squeak-dev August 2009

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114 participants
300 discussions

Trunk update error
by Raymond Asselin 06 Aug '09

06 Aug '09

When trying to update my trunk image I got problems with StrikeFont useUnderscore. It seems to me that when a characterToGlyphMap is'nt there StrikeFont try to create one with createCharacterToGlyphMap but this does'nt seem to happen on my system so code break on 'nil' .... This is what I understand..may be I'm totaly wrong. ============= Error: Instances of UndefinedObject are not indexable 6 August 2009 11:37:20.388 am VM: Mac OS - a SmalltalkImage Image: Squeak3.10.2 [latest update: #7179] SecurityManager state: Restricted: false FileAccess: true SocketAccess: true Working Dir /Users/ray1/Documents/PROGRAMMATION/ATELIER TRUNK/ Squeak3102Trunk Trusted Dir /foobar/tooBar/forSqueak/bogus Untrusted Dir /Users/ray1/Library/Preferences/Squeak/Internet/My Squeak UndefinedObject(Object)>>error: Receiver: nil Arguments and temporary variables: aString: 'Instances of UndefinedObject are not indexable' Receiver's instance variables: nil UndefinedObject(Object)>>errorNotIndexable Receiver: nil Arguments and temporary variables: Receiver's instance variables: nil UndefinedObject(Object)>>at:put: Receiver: nil Arguments and temporary variables: index: 96 value: 129 Receiver's instance variables: nil StrikeFont>>useUnderscore Receiver: a StrikeFont(Japanese10 12) Arguments and temporary variables: Receiver's instance variables: characterToGlyphMap: nil xTable: a SparseLargeTable(-1 0 12 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1...etc... glyphs: Form(225480x12x1) name: 'Japanese10' type: 0 minAscii: 92 maxAscii: 65533 maxWidth: 12 strikeLength: nil ascent: 10 descent: 2 xOffset: nil raster: nil subscript: -3 superscript: 2 emphasis: 0 derivativeFonts: #(nil nil nil nil nil nil nil nil nil nil nil nil nil nil nil ...etc... pointSize: 9 fallbackFont: nil charIndex: nil --- The full stack --- UndefinedObject(Object)>>error: UndefinedObject(Object)>>errorNotIndexable UndefinedObject(Object)>>at:put: StrikeFont>>useUnderscore - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [] in StrikeFont class>>useUnderscore Array(SequenceableCollection)>>do: StrikeFont class>>useUnderscore StrikeFont class>>installDejaVu UndefinedObject>>DoIt Compiler>>evaluate:in:to:notifying:ifFail:logged: Compiler class>>evaluate:for:notifying:logged: Compiler class>>evaluate:for:logged: Compiler class>>evaluate: MCPostscriptDefinition(MCScriptDefinition)>>evaluate MCPostscriptDefinition>>postload MCPostscriptDefinition(MCDefinition)>>postloadOver: [] in [] in [] in MCPackageLoader>>basicLoad [] in [] in OrderedCollection(SequenceableCollection)>>do:displayingProgress: OrderedCollection(SequenceableCollection)>>withIndexDo: [] in OrderedCollection(SequenceableCollection)>>do:displayingProgress: [] in [] in ProgressInitiationException>>defaultMorphicAction BlockClosure>>on:do: [] in ProgressInitiationException>>defaultMorphicAction BlockClosure>>ensure: ProgressInitiationException>>defaultMorphicAction ProgressInitiationException>>defaultAction UndefinedObject>>handleSignal: MethodContext(ContextPart)>>handleSignal: MethodContext(ContextPart)>>handleSignal: MethodContext(ContextPart)>>handleSignal: MethodContext(ContextPart)>>handleSignal: ProgressInitiationException(Exception)>>signal ProgressInitiationException>>display:at:from:to:during: ProgressInitiationException class>>display:at:from:to:during: ByteString(String)>>displayProgressAt:from:to:during: OrderedCollection(SequenceableCollection)>>do:displayingProgress: [] in [] in MCPackageLoader>>basicLoad BlockClosure>>on:do: [] in MCPackageLoader>>basicLoad BlockClosure>>ensure: MCPackageLoader>>basicLoad [] in MCPackageLoader>>loadWithNameLike: [] in MCPackageLoader>>useChangeSetNamed:during: BlockClosure>>ensure: MCPackageLoader>>useChangeSetNamed:during: MCPackageLoader>>useNewChangeSetNamedLike:during: MCPackageLoader>>loadWithNameLike: MCThreeWayMerger(MCMerger)>>loadWithNameLike: MCVersionMerger>>mergeWithNameLike: MCVersionMerger class>>mergeVersion: MCDiffyVersion(MCVersion)>>merge [] in [] in MCConfiguration>>upgrade BlockClosure>>on:do: [] in MCConfiguration>>upgrade [] in MCConfiguration>>depsSatisfying:versionDo:displayingProgress: [] in [] in OrderedCollection(SequenceableCollection)>>do:displayingProgress: OrderedCollection(SequenceableCollection)>>withIndexDo: [] in OrderedCollection(SequenceableCollection)>>do:displayingProgress: [] in [] in ProgressInitiationException>>defaultMorphicAction BlockClosure>>on:do: [] in ProgressInitiationException>>defaultMorphicAction -- and more not shown --

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CompiledMethod trailer
by Ang Beepeng 06 Aug '09

06 Aug '09

Hi. I saw a "trailer" section described in CompiledMethod class comment. I haven't see it in the bluebook. Why do we need it, what is practical usage of trailer? Thanks. Ang Beepeng -- View this message in context: http://www.nabble.com/CompiledMethod-trailer-tp24847277p24847277.html Sent from the Squeak - Dev mailing list archive at Nabble.com.

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[Ann] Enhanced StrikeFonts (antiAliasing , subPixel AA)
by Juan Vuletich 06 Aug '09

06 Aug '09

Hi Folks, If you update to the latest trunk, you'll load Graphics-jmv.53, Morphic-jmv.138 and System-jmv.118. This is the support for anti aliased StrikeFonts from Cuis. The new 'BitmapDejaVu' font of point size 9 is set as default. I only included size 9 (reg, italic, bold, bold italic) to avoid using too much space in the image. If people want, more sizes can be added. To do proper antialiasing / subpixel AA _without_ requiring new BitBlt modes, I use RGBMul BitBlt rule, and a second pass with RGBAdd rule. Text looks very good, in any combination of font and background colors, even at lower Display depths and / or glyphs depths. By default underscore and caret are shown as in standard ASCII. If you prefer the classic ST-80 left and up arrow, evaluate 'StrikeFont useLeftArrow'. To go back to the default, evaluate 'StrikeFont useUnderscore'. I also added 2 preferences #subPixelRenderFonts and #subPixelRenderColorFonts (both default to true). Andreas, thanks for all your help! Comments are welcome. Cheers, Juan Vuletich

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Re: [squeak-dev] Re: Unix OSProcess error
by osp＠aloha.com 06 Aug '09

06 Aug '09

> On Thu, Aug 06, 2009 at 01:08:35PM -0700, Andreas Raab wrote: > > David T. Lewis wrote: > > >If you can send me an example of something that you are doing, I'll try to > > >suggest something more specific to address the problem. I'm away from > > >Squeak > > >at the moment, so it may take me a while to respond. > > > > We're doing stuff along the lines of: > > > > "fire off the external command" > > cmd := PipeableOSProcess command: '/home/qwaq/server/script.sh' > > environment: nil > > workingDir: nil > > input: nil > > output: nil > > error: nil > > errorPipelineStream: nil. > > > > "wait for completion" > > start := Time millisecondClockValue. > > [cmd isComplete not and:[(Time millisecondsSince: start) < deadline]] > > whileTrue:[(Delay forMilliseconds: 100) wait]. > > cmd isComplete ifFalse:[^self error: 'timeout']. > > > > descriptors := cmd outputAndError. > > "... processing of output and error omitted ..." > > > > And that's it. Is there anything that we need to clean up here? > > Probably yes. From memory I think that 'cmd closePipes' will do what you > need. But I'm sure there are cleaner ways to do this, so I'll give you > a better answer later on when I get home a few hours from now. I guess > it's time I started carrying one of Bert's Squeak-on-a-stick solutions > on my keychain ;) > > Dave > You might need a pipe close in the ifFalse branch of the cmd isComplete statement. Gary Dunn Open Slate Project

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[ANN] Squeak OpenVG bingings
by Igor Stasenko 06 Aug '09

06 Aug '09

Hello guys, this is a small project to enable a fast & standard 2D vector graphics API for squeak - OpenVG. The squeak sources is hosted at: http://www.squeaksource.com/OpenVG currently there are 4 packages: OpenVG-Base - base development package OpenVG-Tests - package to hold different tests OpenVG-Demo - package to hold different demos OpenVG-Plugin - VMMaker package sources. Before installing it, load the OpenVG-Base first. The platform source files is hosted at code.coogle and can be obtained via svn: svn checkout http://openvg-squeak.googlecode.com/svn/trunk/ Platforms: - currently plugin available only for win32 platform, sorry. If there is a brave soul to port the platform source on different platform , i can add him to developers :) To evaluate a plugin, install: OpenVG-Base, OpenVG-Tests , OpenVG-Demo packages next, download the squeak plugin from here: http://openvg-squeak.googlecode.com/files/OpenVGPlugin.dll now pick one of an OpenVG engine implementations: [1]http://www.amanithvg.com/download/ (a closed source , but VERY fast engine.. and for evaluation only :( ) it having a SRE and GLE versions. Use GLE version. [2]download & build own dll from http://sourceforge.net/projects/shivavg/ or download built by me: http://openvg-squeak.googlecode.com/files/OpenVGPlugin.dll There are also other OpenVG implementations available: - GinkoVG (software renderer) - Kompazz (seems like authors target it on unix platforms only) Now, after doing the above you are ready to run some code. First, tell a plugin, which OpenVG engine to use: OpenVGAPI loadLibrary: 'yourlibname.dll' Next, init the context: OpenVGAPI initContext Next, run some test: VGUTests new display Next run a tiger demo: VGTigerDemo runDemo have fun! P.S. at the moment, the OpenVG API coverage is not complete (no VGImage yet). So, you can play with paths/paints only. -- Best regards, Igor Stasenko AKA sig.

5 9

Current version of Polymorph?
by Andreas Raab 06 Aug '09

06 Aug '09

Hi - Does anyone know what the best starting point for loading a current version of Polymorph into 3.10.2-trunk might be? Thanks for any pointers, - Andreas

1 0

updating a list morph
by Tudor Girba 06 Aug '09

06 Aug '09

Hi, I have a Morphic newbie question. I have a list morph: PluggableListMorph on: listModel list: #displayedItems selected: #selection changeSelected: #selection: I now would like it to update when the items change. Could anyone tell me how I accomplish that? Cheers, Doru -- www.tudorgirba.com "Every thing should have the right to be different."

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table widget
by Tudor Girba 06 Aug '09

06 Aug '09

Hi, Is there a table widget in Morphic/Polymorph? Carlos Crosetti pointed me to SGrid: http://www.squeaksource.com/SGrid.html Is there another one? I am looking for features like: - add columns - sort the rows based on a column - select a row Cheers, Doru -- www.tudorgirba.com "What we can governs what we wish."

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specialObjectsOop
by Ang Beepeng 05 Aug '09

05 Aug '09

In Squeak VM source, what is "specialObjectsOop"? It is read from an image file. Thanks. Ang Beepeng -- View this message in context: http://www.nabble.com/specialObjectsOop-tp24829823p24829823.html Sent from the Squeak - Dev mailing list archive at Nabble.com.

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heapSize and minimumMemory
by Ang Beepeng 05 Aug '09

05 Aug '09

What is the different between heapSize and minimumMemory in SqueakVm source? -- View this message in context: http://www.nabble.com/heapSize-and-minimumMemory-tp24820599p24820599.html Sent from the Squeak - Dev mailing list archive at Nabble.com.

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