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Re: [libredwg] Testing LibreDwg - Header Variables.

From: Felipe Castro
Subject: Re: [libredwg] Testing LibreDwg - Header Variables.
Date: Thu, 6 Mar 2014 15:06:12 -0300

Ok, but for that strange behavior maybe there is some memory corruption anywhere, it´s a somehow difficult bug to find.

2014-03-05 17:14 GMT-03:00 Guruprasad Rane <address@hidden>:

It worked...

Just an observation.

I have a R2000 dwg file. The header variable DIMUNIT is set as 2 in the file using CAD. When I try to find the value of DIMUNIT using LibreDwg with following code


it gave me value as -678324552. I tried once again without changing the dwg file and it gave me 1929275832. And I tried again it gave me 521680120. Everytime I check it gives different value. Shouldn't it give a same value every time,whether correct or incorrect.


On Wednesday 05 March 2014 05:53 AM, Felipe Castro wrote:
Sorry, I answered looking at the code in the simplified LIBdwg for LIBREdwg things are a litle bit longer, because BITCODE_H is declared as a Dwg_Object_Ref, so it should be:


2014-03-04 13:54 GMT-03:00 Guruprasad Rane <address@hidden>:
Sorry Didnt work

address@hidden:~/libredwg/examples$ gcc guruTest.c -o guruTest -lredwg -lm
guruTest.c: In function ‘output_HeadersVariables’:
guruTest.c:354:59: error: request for member ‘code’ in something not a structure or union

On Tuesday 04 March 2014 05:24 PM, Felipe Castro wrote:
BITCODE_H is a structure of type Dwg_Handle, which has three fields: code, size, value.

You should access these fields with:



2014-03-04 4:28 GMT-03:00 Guruprasad Rane <address@hidden>:

I am trying to check whether LibreDwg is able to output header variables correctly.

I was able to get values of most header variables for example

But I am not able to get vaules of varible with BITCODE_H e.g. variable TEXTSTYLE

Can anyone help me with this? I have very basic knowledge of programming.


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