Img problems
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From: Larry W. Virden on 9 Jul 2010 13:47 On Jul 2, 7:59 am, keithv <kvet...(a)gmail.com> wrote: > I'm having two big problems with the Img package, and was wondering if > these are known bugs or problems with my installation. > > The first problem is that it won't display png images--they just show > up blank. > > The second is trying to take screen snapshot with "-data $window". > When I do, it's either blank or only about half the image. > I haven't tried taking a screen snapshot. However, I have found that I have problems creating an image using the -data flag but if I use the - file flag, it works for me.
From: Gerhard Reithofer on 9 Jul 2010 13:50 Hi Keith, On Fri, 9 Jul 2010, keithv wrote: > On Jul 9, 11:13 am, Gerhard Reithofer <gerhard.reitho...(a)tech- > edv.co.at> wrote: > > Hi Keith and *, > > > > On Thu, 8 Jul 2010, Andreas Kupries wrote: > > > keithv <kvet...(a)gmail.com> writes: > > > > > > I'm having two big problems with the Img package, and was wondering if > > > > these are known bugs or problems with my installation. > > > > > > The first problem is that it won't display png images--they just show > > > > up blank. > > > > this sounds like the behavior I saw and described in my > > (huge!) ActiveTcl/Tablelist thread. > > > > Keith, could you please check if my test script (which I posted in my > > last message) works in your environment? ... > Yes, this fails for me also. Actually the image create doesn't > throw an error, it just doesn't create the image. yes, that's the strange behavior which occupied much of my time. If you [catch] it it returns 1, errorCode is set to NONE, errorInfo is set to "image create photo pngimg -data $imgdata(png)" (in my case) and no image is created. I've repeated it several times: Install ActiveTcl - no error teacup update - now the error is present Tested on 32- and 64-bit Linux. In my tests the png shared library was not changed, thus there will be a combination of several libraries/files which fail. > My work around, until I try Andreas solution, is that I installed > pixane and a simple 'package require pixane' makes img::png work. > > Keith -- Gerhard Reithofer Tech-EDV Support Forum - http://support.tech-edv.co.at
From: Gerhard Reithofer on 9 Jul 2010 14:05 Hi Larry, thanks also to your answer in my other thread "ActiveTCL/Tablelist broken". On Fri, 9 Jul 2010, Larry W. Virden wrote: > On Jul 2, 7:59 am, keithv <kvet...(a)gmail.com> wrote: > > I'm having two big problems with the Img package, and was wondering if > > these are known bugs or problems with my installation. > > > > The first problem is that it won't display png images--they just show > > up blank. > > > > The second is trying to take screen snapshot with "-data $window". > > When I do, it's either blank or only about half the image. > > > > I haven't tried taking a screen snapshot. However, I have found that I > have problems creating an image using the -data flag but if I use the - > file flag, it works for me. In the meantime I can reproduce the bug: 1. Install ActiveTcl new -> script works 2. Do a: teacup update -> script fails As I always use the same test script, therfore I don't think that a data error exists in my script (see case 1. above). Also the flag "-file" always worked for me. As the "teacup update" did not update img::png (at least the shared lib) I'm unsure if it is a PNG-package problem (alone?). -- Gerhard Reithofer Tech-EDV Support Forum - http://support.tech-edv.co.at
From: Andreas Kupries on 9 Jul 2010 23:34 Gerhard Reithofer <gerhard.reithofer(a)tech-edv.co.at> writes: > Hi Larry, > thanks also to your answer in my other thread "ActiveTCL/Tablelist > broken". > > On Fri, 9 Jul 2010, Larry W. Virden wrote: > >> On Jul 2, 7:59 am, keithv <kvet...(a)gmail.com> wrote: >> > I'm having two big problems with the Img package, and was wondering if >> > these are known bugs or problems with my installation. >> > >> > The first problem is that it won't display png images--they just show >> > up blank. >> > >> > The second is trying to take screen snapshot with "-data $window". >> > When I do, it's either blank or only about half the image. >> > >> >> I haven't tried taking a screen snapshot. However, I have found that I >> have problems creating an image using the -data flag but if I use the - >> file flag, it works for me. > > In the meantime I can reproduce the bug: > 1. Install ActiveTcl new -> script works > 2. Do a: teacup update -> script fails > > As I always use the same test script, therfore I don't think that a data > error exists in my script (see case 1. above). > > Also the flag "-file" always worked for me. > As the "teacup update" did not update img::png (at least the shared lib) > I'm unsure if it is a PNG-package problem (alone?). If the update renweded something like pngtcl, and/or zlibtcl, but not img::png then this can be a mismatch there. cc'd myself in the office now, to look into this monday morning immediately. Gerhard, can you send me your test script as well ? -- So long, Andreas Kupries <akupries(a)shaw.ca> <http://www.purl.org/NET/akupries/> Developer @ <http://www.activestate.com/> -------------------------------------------------------------------------------
From: Gerhard Reithofer on 13 Jul 2010 06:07 Hi all, information for people which may detect the same problem. On Fri, 9 Jul 2010, Andreas Kupries wrote: > Gerhard Reithofer <gerhard.reithofer(a)tech-edv.co.at> writes: > > > Hi Larry, > > thanks also to your answer in my other thread "ActiveTCL/Tablelist > > broken". > > > > On Fri, 9 Jul 2010, Larry W. Virden wrote: > > > >> On Jul 2, 7:59Â am, keithv <kvet...(a)gmail.com> wrote: > >> > I'm having two big problems with the Img package, and was wondering if > >> > these are known bugs or problems with my installation. ... > > As the "teacup update" did not update img::png (at least the shared lib) > > I'm unsure if it is a PNG-package problem (alone?). With Andreas's help I found a workaround which worked for me on Windows and Linux: teacup install --force Img made the tests running on my machines. ... -- Gerhard Reithofer Tech-EDV Support Forum - http://support.tech-edv.co.at
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