src/MuleColour.h

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2011 aMule Team ( admin@amule.org / http://www.amule.org )
   5 //
   6 // Any parts of this program derived from the xMule, lMule or eMule project,
   7 // or contributed by third-party developers are copyrighted by their
   8 // respective authors.
   9 //
  10 // This program is free software; you can redistribute it and/or modify
  11 // it under the terms of the GNU General Public License as published by
  12 // the Free Software Foundation; either version 2 of the License, or
  13 // (at your option) any later version.
  14 //
  15 // This program is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19 //
  20 // You should have received a copy of the GNU General Public License
  21 // along with this program; if not, write to the Free Software
  22 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  23 //
  24
  25 #ifndef MULECOLOR_H
  26 #define MULECOLOR_H
  27
  28 #include <wx/colour.h>
  29 #include <wx/settings.h>
  30 #include "Types.h"
  31
  32 class wxPen;
  33 class wxBrush;
  34
  35 class CMuleColour
  36 {
  37 public:
  38
  39         enum ColourComponent { COLOUR_R = 1, COLOUR_G = 2, COLOUR_B = 4 };
  40
  41         CMuleColour() { Init(); Set(0,0,0); }
  42         CMuleColour(const wxColour& colour) { Init(); Set(colour.Red(), colour.Green(), colour.Blue()); }
  43         CMuleColour(uint8_t r, uint8_t g, uint8_t b) { Init(); Set(r,g,b); }
  44         CMuleColour(unsigned long rgb)
  45         {
  46                 Init();
  47                 Set((rgb & 0xFF), (rgb >> 8) & 0xFF, (rgb >> 16) & 0xFF);
  48         }
  49
  50         CMuleColour(wxSystemColour colour)
  51         {
  52                 Init();
  53                 const wxColour& wxcolour = wxSystemSettings::GetColour(colour);
  54                 Set(wxcolour.Red(), wxcolour.Green(), wxcolour.Blue());
  55         }
  56
  57         void Init() {
  58                 m_cachedpen = NULL;
  59                 m_cachedbrush = NULL;
  60         }
  61
  62         ~CMuleColour() { }
  63
  64         void Set(uint8_t red, uint8_t green, uint8_t blue) { m_red = red; m_green = green; m_blue = blue; }
  65
  66         inline uint8_t Red() const { return m_red; }
  67         inline uint8_t Green() const { return m_green; }
  68         inline uint8_t Blue() const { return m_blue; }
  69
  70         const CMuleColour& Blend(uint8_t percentage, ColourComponent flags = (ColourComponent)(COLOUR_R | COLOUR_G | COLOUR_B) )
  71         {
  72                 unsigned int red = (unsigned int)(Red() * ((flags & COLOUR_R) ? ((float)percentage/(float)100) : (float)1));
  73                 unsigned int green = (unsigned int)(Green() * ((flags & COLOUR_G) ? ((float)percentage/(float)100) : (float)1));
  74                 unsigned int blue = (unsigned int)(Blue() * ((flags & COLOUR_B) ? ((float)percentage/(float)100) : (float)1));
  75                 Set((red < 255) ? red : 255, (green < 255) ? green : 255, (blue < 255) ? blue : 255);
  76                 return *this;
  77         }
  78
  79         const CMuleColour& BlendWith(const CMuleColour& colour, double covered)
  80         {
  81                 unsigned int red = (unsigned int)(Red() + (colour.Red() * covered) + 0.5);
  82                 unsigned int green = (unsigned int)(Green() + (colour.Green() * covered) + 0.5);
  83                 unsigned int blue = (unsigned int)(Blue() + (colour.Blue() * covered) + 0.5);
  84                 Set((red < 255) ? red : 255, (green < 255) ? green : 255, (blue < 255) ? blue : 255);
  85                 return *this;
  86         }
  87
  88         unsigned long GetULong() const { return (Blue() << 16) | (Green() << 8) | Red(); }
  89
  90         bool IsBlack() const { return !Red() && !Blue() && !Green(); }
  91
  92         bool IsSameAs(const CMuleColour& colour) const { return (Red() == colour.Red()) && (Green() == colour.Green()) && (Blue() == colour.Blue()); }
  93
  94         operator wxColour() const {
  95                 return wxColor(m_red, m_green, m_blue);
  96         }
  97
  98         const wxPen& GetPen(int width = 1, int style = wxSOLID) const;
  99         const wxBrush& GetBrush(int style = wxSOLID) const;
 100
 101 private:
 102         uint8_t m_red;
 103         uint8_t m_green;
 104         uint8_t m_blue;
 105
 106         mutable wxPen* m_cachedpen;
 107         mutable wxBrush* m_cachedbrush;
 108 };
 109
 110 #endif