Re: [libredwg] Dabbling in some coding.

[Dave Coventry]

Actually the MTEXT text format seems to be a char array with every
second byte carrying the MSB of a 16 bit character.

So the string "Some text" would be presented so:
char *s={"S","\0","o,"\0","m,"\0","e,"\0","
,"\0","t,"\0","e,"\0","x,"\0","t,"\0",","\0"}

On Mon, Jul 5, 2021 at 1:59 AM Reini Urban <reini.urban@gmail.com> wrote:
>
>
>
> Dave Coventry <dgcoventry@gmail.com> schrieb am So., 4. Juli 2021, 20:41:
>>
>> H Duncan,
>>
>> I think I'm a little out of my depth.
>>
>> I'm trying to read the text in the MTEXT entity, but post 2007 format,
>> the text array is stored as unsigned shorts, which I'm having
>> difficulty with.
>
>
>
> That's just unicode UCS-2, the windows Unicode format.
>
>>
>> ~ Dave
>>
>>
>> On Fri, Jul 2, 2021 at 11:04 PM Duncan Lithgow <duncan.lithgow@gmail.com> 
>> wrote:
>> >
>> > Hi Dave
>> >
>> > Over at osarch.org we had a chat about the pros and cons of SVG for 
>> > technical documentation. https://community.osarch.org/discussion/170/
>> >
>> > I'm sure they'd love to share their progress and hear about what you're 
>> > working on.
>> >
>> > Duncan
>> >
>> > On Fri, Jun 18, 2021 at 3:08 PM Dave Coventry <dgcoventry@gmail.com> wrote:
>> >>
>> >> Do you know why it's only reading as 1, then?
>> >>
>> >> Where can I find the mechanism for reading the contents of an MTEXT 
>> >> string?
>> >>
>> >> On Fri, Jun 18, 2021 at 12:21 PM Reini Urban <reini.urban@gmail.com> 
>> >> wrote:
>> >> >
>> >> >
>> >> >
>> >> > Dave Coventry <dgcoventry@gmail.com> schrieb am Fr., 18. Juni 2021, 
>> >> > 10:10:
>> >> >>
>> >> >> Hi Reini,
>> >> >>
>> >> >> Still trying to read MTEXT.
>> >> >>
>> >> >> If I get the length of the text entity:
>> >> >>
>> >> >> Dwg_Entity_MTEXT *text = obj->tio.entity->tio.MTEXT;
>> >> >> size_t len=strlen(text->text);
>> >> >> fprintf(stderr, "mtext length is:%d\n",len);
>> >> >>
>> >> >> it gives me a length of 1.
>> >> >>
>> >> >> if the MTEXT entity is '\A1;1700', then the length should be 8.
>> >> >
>> >> >
>> >> >
>> >> > Yes, the string would be  "\\A1;1700", so length 8
>> >> >
>> >> >>
>> >> >> Or is the backslash still messing with the results?
>> >> >>
>> >>
>>