source: trunk/lib/Colours.cc @ 928

Last change on this file since 928 was 928, checked in by Jari Häkkinen, 13 years ago

Addresses #413. Same colour for authors for all blame output and plots. Colours from config used.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.8 KB
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1// $Id: Colours.cc 928 2009-12-02 07:43:57Z jari $
2
3/*
4  Copyright (C) 2009 Jari Häkkinen
5
6  This file is part of svndigest, http://dev.thep.lu.se/svndigest
7
8  svndigest is free software; you can redistribute it and/or modify it
9  under the terms of the GNU General Public License as published by
10  the Free Software Foundation; either version 3 of the License, or
11  (at your option) any later version.
12
13  svndigest is distributed in the hope that it will be useful, but
14  WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with svndigest. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "Colours.h"
23
24#include "Configuration.h"
25
26#include <cstdlib>
27#include <ctype.h>
28
29namespace theplu {
30namespace svndigest {
31
32  Colours* Colours::instance_=NULL;
33
34
35  Colours::Colours(void)
36    : colour_map_(13), next_colour_(colour_map_.begin())
37
38  {
39    colour_map_[ 0].label="green";
40    colour_map_[ 0].r=  0; colour_map_[ 0].g=146; colour_map_[ 0].b= 72;
41    colour_map_[ 1].label="blue";
42    colour_map_[ 1].r= 27; colour_map_[ 1].g=117; colour_map_[ 1].b=186;
43    colour_map_[ 2].label="red";
44    colour_map_[ 2].r=189; colour_map_[ 2].g= 32; colour_map_[ 2].b= 46;
45    colour_map_[ 3].label="grey";
46    colour_map_[ 3].r=131; colour_map_[ 3].g=131; colour_map_[ 3].b=131;
47    colour_map_[ 4].label="orange";
48    colour_map_[ 4].r=245; colour_map_[ 4].g=145; colour_map_[ 4].b= 32;
49    colour_map_[ 5].label="brown";
50    colour_map_[ 5].r=117; colour_map_[ 5].g= 77; colour_map_[ 5].b= 41;
51    colour_map_[ 6].label="cyan";
52    colour_map_[ 6].r= 40; colour_map_[ 6].g=170; colour_map_[ 6].b=225;
53    colour_map_[ 7].label="lime";
54    colour_map_[ 7].r=213; colour_map_[ 7].g=221; colour_map_[ 7].b= 38;
55    colour_map_[ 8].label="purple";
56    colour_map_[ 8].r=143; colour_map_[ 8].g= 40; colour_map_[ 8].b=140;
57    colour_map_[ 9].label="lgrey";
58    colour_map_[ 9].r=220; colour_map_[ 9].g=220; colour_map_[ 9].b=220;
59    colour_map_[10].label="lbrown";
60    colour_map_[10].r=194; colour_map_[10].g=151; colour_map_[10].b=106;
61    colour_map_[11].label="pink";
62    colour_map_[11].r=230; colour_map_[11].g=125; colour_map_[11].b=230;
63    colour_map_[12].label="black";
64    colour_map_[12].r=  0; colour_map_[12].g=  0; colour_map_[12].b=  0;
65
66    typedef std::map<std::string, std::string> ACmap;
67    const ACmap& authcols=Configuration::instance().author_colors();
68    std::map<std::string,std::vector<colour>::iterator>::iterator j;
69    for (ACmap::const_iterator i=authcols.begin(); i!=authcols.end(); i++) {
70      colour c;
71      c.label=i->first;
72      c.r= 16*to_decimal(i->second[0]) + to_decimal(i->second[1]);
73      c.g= 16*to_decimal(i->second[2]) + to_decimal(i->second[3]);
74      c.b= 16*to_decimal(i->second[4]) + to_decimal(i->second[5]);
75      next_colour_=colour_map_.insert(next_colour_,c);
76      author_map_.insert(std::make_pair(c.label, next_colour_++));
77    }
78  }
79
80
81  void Colours::get_colour(const std::string& label, unsigned char& r,
82                           unsigned char& g, unsigned char& b)
83  {
84    std::map<std::string,std::vector<colour>::iterator>::iterator i;
85    i = author_map_.lower_bound(label);
86    if (i==author_map_.end() || i->first != label) {
87      // no colour defined for label, set colour for label
88      i = author_map_.insert(i, std::make_pair(label, next_colour_++));
89      if (next_colour_==colour_map_.end())
90        // end of colour map reach, start over
91        next_colour_=colour_map_.begin();
92    }
93    r = i->second->r;
94    g = i->second->g;
95    b = i->second->b;
96  }
97
98
99  Colours& Colours::instance(void)
100  {
101    if (!instance_)
102      instance_ = new Colours;
103    return *instance_;
104  }
105
106
107  int Colours::to_decimal(int hex)
108  {
109    hex=toupper(hex);
110    if (hex>47 && hex<58) // 0--9
111      return hex-48;
112    if (hex>64 && hex<71) // A--F
113      return hex-55;
114    return -1;
115  }
116
117}} // end of namespace svndigest and namespace theplu
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