Re: [Rlib-devel] making text output page aware

[Nabil <na...@kr...>]

If I understand correctly loops through _private->top and _private- 
 >bottom and appends the  data in them to _private->both So how would  
I use that to trigger a new page? It should be easy enough to count  
the lines in _private->top and _private->bottom and figure out if  
they are to big to fit on a page but what do I do after that? I would  
need to output a certain amount of data and then trigger a new page
On Mar 21, 2007, at 10:05 AM, Bob Doan wrote:

> Nabil,
>
> You now want to look @
>
> static void rlib_txt_end_part(rlib *r, struct rlib_part *part)
> in txt.c to make the "top" and "bottom" paginate correctly.
>
> As for the get_output_size it is based upon the current font's dpi.
>
> Cheers,
>
> - Bob
>
>
>
>
> On Tue, 2007-03-20 at 11:47 -0400, Nabil wrote:
>> Ok I worked on this a little bit.. I changed OUTPUT(r)->paginate to
>> TRUE and in rlib_text_end_page I added OUTPUT_PRIVATE(r)- 
>> >page_number+
>> + ;
>> This will cause rlib to print the page headers in the correct
>> location but all the footers are printed at the same time as the last
>> thing in the report after the report footer!!
>> I dont quite get how get_output_size works so some help would be
>> appreciated.
>> Again thanks in advance for your help.
>>
>> On Mar 16, 2007, at 6:56 PM, Bob Doan wrote:
>>
>>> Nabil,
>>>
>>> Pagination is done by what fits on a page.  In PDF mode the page
>>> footer
>>> and the page header approach each other, when the two meet it is  
>>> time
>>> for a new page.
>>>
>>> Hints:
>>>
>>> in txt.c
>>>
>>> in: void rlib_txt_new_output_filter(rlib *r)
>>>
>>> OUTPUT(r)->paginate = FALSE; will need to be TRUE
>>>
>>> rlib_txt_end_page you may want to do something here.....
>>>
>>> in reportgen.c
>>>
>>> get_output_size
>>>
>>> HINT: Some of this logic will have to be moved down into the output
>>> filters.
>>>
>>>
>>> Cheers,
>>>
>>> - Bob
>>>
>>>
>>> On Fri, 2007-03-16 at 16:21 -0400, Nabil wrote:
>>>> For those of you who dont read the rlib-users list I am trying to
>>>> make rlib page-aware when the output format is text. I have been
>>>> reading over the source code but I am still lost over how to go  
>>>> about
>>>> the implementation. One of the first things that needs to be
>>>> implemented is a line counter.. in text.c I see no mention of a  
>>>> line
>>>> counter but in reportgen.c there seems to be one, is that line
>>>> counter reliable? In rlib_make_report why is end_page called  
>>>> twice is
>>>> a row? Is there a version of the source code that has comments?  
>>>> Thank
>>>> you in advance for your help.
>>>>
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>>>
> -- 
> Bob Doan
> Vice President of Information Technology
> SICOM Systems
> bd...@si...
> 800-547-4266 x217
>
>