/[CvsGraph]/cvsgraph/README
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revision 1.11, Wed Jan 9 00:28:36 2002 UTC revision 1.15, Sat Jul 20 00:48:16 2002 UTC
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1  CvsGraph 1.2.0, 19-Dec-2001  CvsGraph 1.3.0, 20-Jul-2002
2  ===========================  ===========================
3  CvsGraph creates a graphic representation of the revisions and branches in a  CvsGraph creates a graphic representation of the revisions and branches in a
4  cvs/rcs repository. CvsGraph is inspired on the 'graph'-option from WinCVS. I  cvs/rcs repository. CvsGraph is inspired on the 'graph'-option from WinCVS. I
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10    
11  New in this version  New in this version
12  -------------------  -------------------
13  - The entire tree can now be drawn upside-down. This is usefull if you have  - Implement a workaround for browsers that do not understand unordered
14    many revisions in a trunk and want to see the latest first. The configuration    y-coordinates in the imagemap when generated upside down.
   includes an option 'upside_down' with a boolean argument. You can override the  
   default value on the command-line with the '-u' switch, which will negate the  
   configured value.  
   The imagemap generation also supports this, so you will still be able to point  
   and shoot on and between the revisions.  
   
 - You can now instruct CvsGraph to ommit all revisions that are not tagged. This  
   is highly usefull for very large trees/trunks to reduce the produced image  
   size. Note that the first and the last revision in a trunk are not hidden.  
   A new configuration option 'strip_untagged' with boolean argument enables this  
   feature. Alternatively, the command-line provides option '-s' wich negates the  
   value set in the configuration file. You can also strip the first revision if  
   it is untagged using '-S' and/or strip_first_rev.  
   
 - The boxes to identify the branches can now be drawn on both sides of the trunk.  
   Configuration option 'branch_dupbox' with boolean argument activates this  
   feature, which is usefull when the tree is drawn upside-down.The command-line  
   option '-b' negated the configured value.  
   
 - Configuration no longer requires a configuration file. All options can now be  
   entered on the commandline using '-O'. CvsGraph will still read the  
   configuration file if one is avaliable, but it is no longer an error if none  
   is found.  
   
 - If no file is entered on the command-line, then the input is taken from  
   standard input, like all decent *nix programs.  
   
 - ViewCVS (http://viewcvs.sourceforge.net) is now officially supporting the use  
   of CvsGraph in their code as of version 0.8. So, no bad hacks needed anymore  
   to get it working, and it always looks nice :-)  
   
 - Implemented string drawing using freetype interface of libgd. It looks very  
   nice, but it is significantly slower than gd's standard bitmap fonts. Extra  
   configuration parameters *_ttfont and *_ttsize set font and size. Option  
   use_ttf enables ttf rendering. Note that gd's bitmap fonts are used as a  
   fallback in case where the ttfont contains errors or is not found.  
15    
16  - The branch tag color and font can now be set separately using branch_tag_*  - Fix the slowness of CvsGraph when parsing very large (typically -kb files)
17    configuration options.    by bypassing the parsing of the actual deltatext. On my machine (K6-2/500/256M
18      it makes a difference of 7.5s vs 0.04s on a 93MByte file, without counting
19      disk-overhead; with disk-overhead it takes 12.5s).
20      Downside is that the logentry cannot be expanded if the file is not parsed in
21      full (see below). Use option parse_logs to enable log-expansions.
22    
23    - Implemented logentry expansions using %l and %L. You must enable full parsing
24      (option parse_logs) for this to work.
25    
26    - Fixed a possible buffer overflow in the string expansion. However, this is a
27      very low-risk overflow, since it will trash the heap and _not_ the stack.
28      Furthermore, you need to pass strings from CGI directly to cvsgraph without
29      any checks to come even close to trash the heap.
30    
31    - Fixed a segfault on IRIX in the bsearch calls. These lookups could be called
32      with a NULL pointer and IRIX's libc doesn't like that.
33    
34    - Implement left to right and right to left images. The entire tree can now be
35      drawn horizontally when option left_right is set. Using both left_right and
36      upside_down results in right to left images.
37    
38    
39    
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42    
43  create directory:  create directory:
44          $ cd /where/ever/you/want          $ cd /where/ever/you/want
45          $ tar xzf cvsgraph-1.2.0.tar.gz          $ tar xzf cvsgraph-1.3.0.tar.gz
46          $ cd cvsgraph-1.2.0          $ cd cvsgraph-1.3.0
47          $ ./configure          $ ./configure
48          $ make          $ make
49    
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63          either --with-freetype-lib or --with-freetype2-lib.          either --with-freetype-lib or --with-freetype2-lib.
64    
65    
66    
67  Installing  Installing
68  ----------  ----------
69  Put the executable file 'cvsgraph' somewhere where you think it should go.  Put the executable file 'cvsgraph' somewhere where you think it should go.
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111  Todo  Todo
112  ----  ----
113  - do a better job in making a layout (auto moving branches and rubber banding  - do a better job in making a layout (auto moving branches and rubber banding
114    revision-connectors to make place)    revision-connectors to make place). A start is made, but this is not very
115      functional yet.
116    
117  - draw only a part or parts of the tree.  - draw only a part or parts of the tree.
118    
119    
120    
121  License  License
122  -------  -------
123  CvsGraph is distributed under GNU GPL v2. See 'LICENSE' for more information.  CvsGraph is distributed under GNU GPL v2. See 'LICENSE' for more information.

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