source/common/colour.h

   1 // colour.h - Colour Structures
   2 //
   3 // (c) 2016 Xestia Software Development.
   4 //
   5 // This file is part of Xestia Calendar.
   6 //
   7 // Xestia Address Book is free software: you can redistribute it and/or modify
   8 // it under the terms of the GNU General Public License as published by the
   9 // Free Software Foundation, version 3 of the license.
  10 //
  11 // Xestia Address Book is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with Xestia Calendar. If not, see <http://www.gnu.org/licenses/>
  18
  19 #include <string>
  20 #include "text.h"
  21
  22 using namespace std;
  23
  24 struct Colour{
  25
  26         int red;
  27         int blue;
  28         int green;
  29         int alpha;
  30
  31         operator string() {
  32
  33                 string ColourOut;
  34                 string ColourOutHex;
  35
  36                 ColourOut = "#";
  37
  38                 // Convert the red value.
  39
  40                 if (red > 255){
  41                         ColourOut += "FF";
  42                 } else if (red < 0) {
  43                         ColourOut += "00";
  44                 } else {
  45                         IntToHex(&red, &ColourOutHex, 2);
  46                         ColourOut += ColourOutHex;
  47                 }
  48
  49                 // Convert the green value.
  50
  51                 if (green > 255){
  52                         ColourOut += "FF";
  53                 } else if (green < 0){
  54                         ColourOut += "00";
  55                 } else {
  56                         IntToHex(&green, &ColourOutHex, 2);
  57                         ColourOut += ColourOutHex;
  58                 }
  59
  60                 // Convert the blue value.
  61
  62                 if (blue > 255){
  63                         ColourOut += "FF";
  64                 } else if (blue < 0) {
  65                         ColourOut += "00";
  66                 } else {
  67                         IntToHex(&blue, &ColourOutHex, 2);
  68                         ColourOut += ColourOutHex;
  69                 }
  70
  71                 // Convert the alpha value.
  72
  73                 if (alpha > 255){
  74                         ColourOut += "FF";
  75                 } else if (alpha < 0){
  76                         ColourOut += "00";
  77                 } else {
  78                         IntToHex(&alpha, &ColourOutHex, 2);
  79                         ColourOut += ColourOutHex;
  80                 }
  81
  82                 return ColourOut;
  83
  84         }
  85
  86 };