Re: [fpc-pascal] Good revision on wince cross-compiler

[Felipe Monteiro de Carvalho]

Ok, I just found out that the OnCreate of that program was creating a
TCustomControl descendent. That seams to crash the application on
wince. Removing it and having only a simple program with a form and
some buttons works ok with latest subversion Lazarus =)

--
Felipe Monteiro de Carvalho
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Re: [fpc-pascal] Good revision on wince cross-compiler

[Felipe Monteiro de Carvalho]

On 12/8/06, Gabor Boros <[EMAIL PROTECTED]> wrote:

5191 works very well for me.


Which Lazarus revision do you use?

I tested very old ones, but they refuse to compile, due to changes on
the FCL or RTL.

The current "stable" snapshot we work with is about 5 months old now.

--
Felipe Monteiro de Carvalho
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Re: [fpc-pascal] Good revision on wince cross-compiler

[Felipe Monteiro de Carvalho]

Hello,


On 12/8/06, TOndrej <[EMAIL PROTECTED]> wrote:

A few weeks ago I experimented and found out that fpc 5389 and Lazarus
10204 worked for me on arm-wince. I'm sticking to these revisions for
the time being, making my local modifications as needed.


I don´t know why but this combination didn´t work for me. Console
applications work correctly, but LCL windowed app did not. It at least
shows a error message, something went wrong on the initialization on a
unit. (it complains about the begin on the program file, so I guess
this is the problem).

FPC 5191 worked much better, but using latest subversion lazarus the
app loads, shows on screen, and then crashes. The same with 10204. I
will test with even older revisions to see if they work.

--
Felipe Monteiro de Carvalho
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Re: [fpc-pascal] Reading text from images

[Darius Blaszijk]

This technique is called OCR. No idea if there is a pascal implementation, 
but it should not be too hard to make one. It's based on neural networks 
that "learn" to recognize any character from any font.


Darius

- Original Message - 
From: "Antal" <[EMAIL PROTECTED]>

To: 
Sent: Saturday, December 09, 2006 3:09 PM
Subject: [fpc-pascal] Reading text from images


Does anybody have an idea about how to read text from an image, using 
freepascal?
There are lots of fonts, and so on, but it would be rather interesting to 
make able fpc to read from jpegs or gifs, since on the net there is so 
much information stored in images.

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Re: [fpc-pascal] RE: [lazarus] Article on Pixel.

[Tomas Hajny]

On 8 Dec 06, at 23:17, George Birbilis wrote:

> > > > The latest issue of Linux Journal features an article about Pixel
> > > > (By Pavel Kanzelsberger).
> > > > It gives it a very good comment. Pity it's not mentioned
> > that it's
> > > > written using FPC.
> > > > (the article is written by a writer/publisher, not a programmer).
> > > >
> > > > For the Lazarus users: Pixel is written using a
> > widget-set developed
> > > > by Pavel.
 .
 .
> I don't see Lazarus mentioned at the splash screen of the windows version
> (some of you guys are mentioned, but wouldn't harm to mention Lazarus too or
> instead)
> Also didn't notice Lazarus button or something at the website (didn't look
> much though, maybe have missed it)

As far as I know, the reason is as simple as 
this: it isn't created using Lazarus, just FPC. 
Pixel is available for much more platforms than 
Lazarus. According to my knowledge, the widgetset 
is based on SDL.

Tomas
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[fpc-pascal] Reading text from images

[Antal]

Does anybody have an idea about how to read text from an image, using 
freepascal?
There are lots of fonts, and so on, but it would be rather interesting to 
make able fpc to read from jpegs or gifs, since on the net there is so 
much information stored in images.

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Re: [fpc-pascal] Implementing a true Singleton - Can we decrease the visibility of a method?

[Steve Williams]

>> > I found this by trying to implement a True Singleton in Free Pascal /
>> > Delphi.  For those that don't know, a Singleton is a Design Pattern
>> > that allows only one instance of a class.  It seems it is impossible
>> > to do in Free Pascal / Delphi.  :-(
>>
>> Try this.
>> http://bdn.borland.com/article/22576
>
> Maybe we should include an implementation in FPC by default ?

That shouldn't be difficult.  The implementation given in that article is
quite simple and effective.

-- 
Sly




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Re: [fpc-pascal] UML state machine drawing tool

[Marc Santhoff]

Am Freitag, den 08.12.2006, 18:24 -0200 schrieb Wanderlan Santos dos
Anjos:
> Hello Marc,
> 
> My company is making this now. www.channeltecnologia.com/en/XDA.asp.
> The download will be online at february.

I'm looking forward to it.

Btw. interesting MDA style infrastructure your company is offering, but
I can't find any real life example. Will there be one in february or can
you give me a link?

Thanks,
Marc


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Re: [fpc-pascal] GetEpochTime not found

[Marc Santhoff]

Am Samstag, den 09.12.2006, 10:01 +0100 schrieb Michael Van Canneyt:

> > I'm stuck, what is missing here or how can I go on debugging the
> > problem?
> 
> Nothing is missing. getepochtime is present in the Sysutils unit, but is not 
> exposed,
> as it's not cross platform. You should be using fptime.

Far more simple than I thought, I had started fiddling paths and the
like ... :)

Thanks for all helping hands,
Marc


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Re: [fpc-pascal] GetEpochTime not found

[Marco van de Voort]

> Marco van de Voort wrote:
> >>> fpc 2.0.2.
> >>>
> >>> CommonTypes.pp(207,21) Error: Identifier not found "GetEpochTime"
> >> http://www.freepascal.org/docs-html/rtl/oldlinux/getepochtime.html
> > 
> > He uses FreeBSD.
> 
> Ah right, this was apparent from the unit path.

Not that I'd recommend oldlinux to linux/x86 users though. It was really only
meant to recompile unmaintained old stuff for the 1->2 transition.

IMHO we can disable it for 2.2 too.
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Re: [fpc-pascal] GetEpochTime not found

[Micha Nelissen]

Marco van de Voort wrote:
>>> fpc 2.0.2.
>>>
>>> CommonTypes.pp(207,21) Error: Identifier not found "GetEpochTime"
>> http://www.freepascal.org/docs-html/rtl/oldlinux/getepochtime.html
> 
> He uses FreeBSD.

Ah right, this was apparent from the unit path.

Micha
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Re: [fpc-pascal] GetEpochTime not found

[Michael Van Canneyt]

On Sat, 9 Dec 2006, Marc Santhoff wrote:

> Hi,
> 
> I've got some funny problem here. The program compiled well with fpc up
> to version 1.9.4. I haven't touched it for a while and now it fails with
> fpc 2.0.2.
> 
> The source snippet in queston is:
> 
> function TStorable.generateID: integer;
> begin
> //writeln(GetEpochTime); does not work anymore
> result := sysutils.GetEpochTime(); // does not work either
> //result := fpTime; // this works!
> end;
> 
> As you can see I've tried prefixing with the correct unit specifier but
> it fails:
> 
> CommonTypes.pp(207,21) Error: Identifier not found "GetEpochTime"
> 
> Checking the source and even grep'ping and strings'ing sysutils.ppu and
> sysutils.o the function GetEpochTime is there:
> 
> $ grep GetEpochTime 
> /home/marc/fpc-2.0.2/lib/fpc/2.0.2/units/i386-freebsd/rtl/sysutils.ppu
> Binary file 
> /home/marc/fpc-2.0.2/lib/fpc/2.0.2/units/i386-freebsd/rtl/sysutils.ppu matches
> 
> But the compiler doesn't find it:
> 
> from fpc ... -vt
> ...
> PPU Loading 
> /home/marc/fpc-2.0.2/lib/fpc/2.0.2/units/i386-freebsd/rtl/sysutils.ppu
> ...
> 
> I'm stuck, what is missing here or how can I go on debugging the
> problem?

Nothing is missing. getepochtime is present in the Sysutils unit, but is not 
exposed,
as it's not cross platform. You should be using fptime.

Michael.
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Re: [fpc-pascal] GetEpochTime not found

[Marco van de Voort]

> > fpc 2.0.2.
> > 
> > CommonTypes.pp(207,21) Error: Identifier not found "GetEpochTime"
> 
> http://www.freepascal.org/docs-html/rtl/oldlinux/getepochtime.html

He uses FreeBSD.
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Re: [fpc-pascal] GetEpochTime not found

[Micha Nelissen]

Marc Santhoff wrote:
> Hi,
> 
> I've got some funny problem here. The program compiled well with fpc up
> to version 1.9.4. I haven't touched it for a while and now it fails with
> fpc 2.0.2.
> 
> CommonTypes.pp(207,21) Error: Identifier not found "GetEpochTime"

http://www.freepascal.org/docs-html/rtl/oldlinux/getepochtime.html

Micha
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Re: [fpc-pascal] GetEpochTime not found

[Marco van de Voort]

> I've got some funny problem here. The program compiled well with fpc up
> to version 1.9.4. I haven't touched it for a while and now it fails with
> fpc 2.0.2.

Afaik there was only a *nix implementation and that was already covered by
the Unix (fp)time function, so it got cleaned up in 2.0 in the cleanup's
after the implementation of the Exec* functions.

 
> I'm stuck, what is missing here or how can I go on debugging the
> problem?

Nothing, just use fptime.
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[fpc-pascal] RE: [lazarus] Article on Pixel.

[George Birbilis]

> > > The latest issue of Linux Journal features an article about Pixel
> > > (By Pavel Kanzelsberger).
> > > It gives it a very good comment. Pity it's not mentioned
> that it's
> > > written using FPC.
> > > (the article is written by a writer/publisher, not a programmer).
> > >
> > > For the Lazarus users: Pixel is written using a
> widget-set developed
> > > by Pavel.
> >
> > Greetings,
> > Is it online?
>
> The article ? Not that I know of. The program is:
> http://www.kanzelsberger.com/

I don't see Lazarus mentioned at the splash screen of the windows version
(some of you guys are mentioned, but wouldn't harm to mention Lazarus too or
instead)
Also didn't notice Lazarus button or something at the website (didn't look
much though, maybe have missed it)


George Birbilis ([EMAIL PROTECTED])
Computer & Informatics Engineer
Microsoft MVP J# for 2004-2006
Borland "Spirit of Delphi"
++ QuickTime, Delphi, ActiveX, .NET components ++
http://www.kagi.com/birbilis
++ Robotics ++
http://www.mech.upatras.gr/~Robotics
http://www.mech.upatras.gr/~robgroup




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[fpc-pascal] RE: [lazarus] Article on Pixel.

[George Birbilis]

> The latest issue of Linux Journal features an article about
> Pixel (By Pavel Kanzelsberger).
> It gives it a very good comment. Pity it's not mentioned that
> it's written using FPC.
> (the article is written by a writer/publisher, not a programmer).
>
> For the Lazarus users: Pixel is written using a widget-set
> developed by Pavel.

Greetings,
Is it online? 



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Re: [fpc-pascal] UML state machine drawing tool

[Wanderlan Santos dos Anjos]

Hello Marc,

My company is making this now. www.channeltecnologia.com/en/XDA.asp. The
download will be online at february.

--
Att,

Wanderlan Santos dos Anjos
Coordenador
PRX - Programa de Redesenvolvimento em XDA
Channel Tecnologia
(061) 3362-3361; 9963-2412


On 12/8/06, Marc Santhoff <[EMAIL PROTECTED]> wrote:


Hi,

is anyone aware of a UML tool capable of making class diagrams and state
diagrams and emitting fpc compilable pascal code (or at least being
configurable to do so)?

TIA,
Marc


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