list all characters available

[clinisbut]

Hi
I'm trying to write an app and don't know how to start.
I'll have a selector with a list of true type fonts.
Each font will represent a different set of chars. Example
*arial-font
*arabic-font
*russian-font
*cyrillic-font

When the user select one of them, I should list all chars available in
the font.

With ansi characterset it's easy, just loop from 0-255 and print the
char representation of an integer value, but I don't know how to
achieve this.

Any idea?

[Victor Bazarov]

clinisbut wrote:

Hi
I'm trying to write an app and don't know how to start.
I'll have a selector with a list of true type fonts.
Each font will represent a different set of chars. Example
*arial-font
*arabic-font
*russian-font
*cyrillic-font

When the user select one of them, I should list all chars available in
the font.

With ansi characterset it's easy, just loop from 0-255 and print the
char representation of an integer value, but I don't know how to
achieve this.

Any idea?

Sorry, True-Type fonts are off-topic. You need to ask in the newsgroup
that deals with them, most likely your platform newsgroup, where the
API for working with fonts is available.

V
--
Please remove capital 'A's when replying by e-mail
I do not respond to top-posted replies, please don't ask

[clinisbut]

On Apr 10, 2:00*pm, "Victor Bazarov" <[e-mail]:

clinisbut wrote:

Hi
I'm trying to write an app and don't know how to start.
I'll have a selector with a list of true type fonts.
Each font will represent a different set of chars. Example
*arial-font
*arabic-font
*russian-font
*cyrillic-font

When the user select one of them, I should list all chars available in
the font.

With ansi characterset it's easy, just loop from 0-255 and print the
char representation of an integer value, but I don't know how to
achieve this.

Any idea?

Sorry, True-Type fonts are off-topic. *You need to ask in the newsgroup
that deals with them, most likely your platform newsgroup, where the
API for working with fonts is available.

V
--
Please remove capital 'A's when replying by e-mail
I do not respond to top-posted replies, please don't ask

oops, sorry!

[James Kanze]

On Apr 10, 1:30 pm, clinisbut <[e-mail]:

I'm trying to write an app and don't know how to start.
I'll have a selector with a list of true type fonts.
Each font will represent a different set of chars. Example
*arial-font
*arabic-font
*russian-font
*cyrillic-font

When the user select one of them, I should list all chars
available in the font.

With ansi characterset it's easy, just loop from 0-255 and
print the char representation of an integer value, but I don't
know how to achieve this.

How to achieve what? As Victor has pointed out, anything to do
directly with fonts is platform dependent, and you'll have to
ask specifically in a newsgroup for that platform. This
includes the question of how the font is encoded (ISO 8859-n,
JIS, various Unicode formats, etc.). After that, it's just a
simple for loop from the smallest encoding to the largest,
skipping illegal encodings, and probably non-printable
characters. Except, of course, that the number of characters
can be quite large: Unicode defines over a million, and I think
most far eastern encodings (e.g. JIS) will have tens of
thousands. So I'm not sure how you're going to list them all.

And while I'm at it: with ASCII (not ANSI) characters, the range
is 0-127, not 0-255, and characters in the range 0-31,127 are
control characters, with no printable representation (and which,
depending on the display device, may cause some other behavior).
Also: Arial is a font, but Arabic, Russian and Cyrillic aren't.
Arabic and Cyrillic are alphabets, and Arabic and Russian are
languages (and Russian is a nationality, and ...). I think you
probably need to learn a bit more about the domain first, before
you start even thinking about how to program the problem.

Although it may be more than you need, the absolute reference
here is, I think, "Fonts and Encodings", by Yannis Haralambous,
O'Reilly, ISBN 0-596-10242-9 (or 2-84177-273-X for the original
French). At the very least, skim over the introduction, and
read the first chapter (which deals with the numerous
pre-Unicode font encodings). (On the Web, Roman Czyborra has
one of the most informative sites I've seen, but I often have
problems accessing it.)

--
James Kanze (GABI Software) email:ja*********@gmail.com
Conseils en informatique orientée objet/
Beratung in objektorientierter Datenverarbeitung
9 place Sémard, 78210 St.-Cyr-l'École, France, [phone]

[clinisbut]

And while I'm at it: with ASCII (not ANSI) characters, the range

is 0-127, not 0-255, and characters in the range 0-31,127 are
control characters, with no printable representation (and which,
depending on the display device, may cause some other behavior).

Yeah, that's my mistake

Also: Arial is a font, but Arabic, Russian and Cyrillic aren't.
Arabic and Cyrillic are alphabets, and Arabic and Russian are
languages (and Russian is a nationality, and ...). *

I know that arabic, cyrillic are alphabets, I just mean arabic and
cyrillic fonts.

I think you
probably need to learn a bit more about the domain first, before
you start even thinking about how to program the problem.

Maybe my bad english didn't expose clearly my problem.
I didn't realize that this topic it's more OS dependant than I though,
so I say sorry again.

[James Kanze]

On Apr 10, 1:30 pm, clinisbut <[e-mail]:

I'm trying to write an app and don't know how to start.
I'll have a selector with a list of true type fonts.
Each font will represent a different set of chars. Example
*arial-font
*arabic-font
*russian-font
*cyrillic-font

When the user select one of them, I should list all chars
available in the font.

With ansi characterset it's easy, just loop from 0-255 and
print the char representation of an integer value, but I don't
know how to achieve this.

How to achieve what? As Victor has pointed out, anything to do
directly with fonts is platform dependent, and you'll have to
ask specifically in a newsgroup for that platform. This
includes the question of how the font is encoded (ISO 8859-n,
JIS, various Unicode formats, etc.). After that, it's just a
simple for loop from the smallest encoding to the largest,
skipping illegal encodings, and probably non-printable
characters. Except, of course, that the number of characters
can be quite large: Unicode defines over a million, and I think
most far eastern encodings (e.g. JIS) will have tens of
thousands. So I'm not sure how you're going to list them all.

And while I'm at it: with ASCII (not ANSI) characters, the range
is 0-127, not 0-255, and characters in the range 0-31,127 are
control characters, with no printable representation (and which,
depending on the display device, may cause some other behavior).
Also: Arial is a font, but Arabic, Russian and Cyrillic aren't.
Arabic and Cyrillic are alphabets, and Arabic and Russian are
languages (and Russian is a nationality, and ...). I think you
probably need to learn a bit more about the domain first, before
you start even thinking about how to program the problem.

Although it may be more than you need, the absolute reference
here is, I think, "Fonts and Encodings", by Yannis Haralambous,
O'Reilly, ISBN 0-596-10242-9 (or 2-84177-273-X for the original
French). At the very least, skim over the introduction, and
read the first chapter (which deals with the numerous
pre-Unicode font encodings). (On the Web, Roman Czyborra has
one of the most informative sites I've seen, but I often have
problems accessing it.)

--
James Kanze (GABI Software) email:ja*********@gmail.com
Conseils en informatique orientée objet/
Beratung in objektorientierter Datenverarbeitung
9 place Sémard, 78210 St.-Cyr-l'École, France, [phone]

[clinisbut]

And while I'm at it: with ASCII (not ANSI) characters, the range

is 0-127, not 0-255, and characters in the range 0-31,127 are
control characters, with no printable representation (and which,
depending on the display device, may cause some other behavior).

Yeah, that's my mistake

Also: Arial is a font, but Arabic, Russian and Cyrillic aren't.
Arabic and Cyrillic are alphabets, and Arabic and Russian are
languages (and Russian is a nationality, and ...). *

I know that arabic, cyrillic are alphabets, I just mean arabic and
cyrillic fonts.

I think you
probably need to learn a bit more about the domain first, before
you start even thinking about how to program the problem.

Maybe my bad english didn't expose clearly my problem.
I didn't realize that this topic it's more OS dependant than I though,
so I say sorry again.

[Obnoxious User]

On Thu, 10 Apr 2008 04:30:47 -0700, clinisbut wrote:

Hi
I'm trying to write an app and don't know how to start. I'll have a
selector with a list of true type fonts. Each font will represent a
different set of chars. Example *arial-font
*arabic-font
*russian-font
*cyrillic-font

When the user select one of them, I should list all chars available in
the font.

With ansi characterset it's easy, just loop from 0-255 and print the
char representation of an integer value, but I don't know how to achieve
this.

Any idea?

www.pango.org

--
OU