networkstyle.cpp raw

   1  // Copyright (c) 2014-present The Bitcoin Core developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <qt/networkstyle.h>
   6  
   7  #include <qt/guiconstants.h>
   8  
   9  #include <tinyformat.h>
  10  #include <util/chaintype.h>
  11  
  12  #include <QApplication>
  13  
  14  static const struct {
  15      const ChainType networkId;
  16      const char *appName;
  17      const int iconColorHueShift;
  18      const int iconColorSaturationReduction;
  19  } network_styles[] = {
  20      {ChainType::MAIN, QAPP_APP_NAME_DEFAULT, 0, 0},
  21      {ChainType::TESTNET, QAPP_APP_NAME_TESTNET, 70, 30},
  22      {ChainType::TESTNET4, QAPP_APP_NAME_TESTNET4, 70, 30},
  23      {ChainType::SIGNET, QAPP_APP_NAME_SIGNET, 35, 15},
  24      {ChainType::REGTEST, QAPP_APP_NAME_REGTEST, 160, 30},
  25  };
  26  
  27  // titleAddText needs to be const char* for tr()
  28  NetworkStyle::NetworkStyle(const QString &_appName, const int iconColorHueShift, const int iconColorSaturationReduction, const char *_titleAddText):
  29      appName(_appName),
  30      titleAddText(qApp->translate("SplashScreen", _titleAddText))
  31  {
  32      // load pixmap
  33      QPixmap pixmap(":/icons/bitcoin");
  34  
  35      if(iconColorHueShift != 0 && iconColorSaturationReduction != 0)
  36      {
  37          // generate QImage from QPixmap
  38          QImage img = pixmap.toImage();
  39  
  40          int h,s,l,a;
  41  
  42          // traverse though lines
  43          for(int y=0;y<img.height();y++)
  44          {
  45              QRgb *scL = reinterpret_cast< QRgb *>( img.scanLine( y ) );
  46  
  47              // loop through pixels
  48              for(int x=0;x<img.width();x++)
  49              {
  50                  // preserve alpha because QColor::getHsl doesn't return the alpha value
  51                  a = qAlpha(scL[x]);
  52                  QColor col(scL[x]);
  53  
  54                  // get hue value
  55                  col.getHsl(&h,&s,&l);
  56  
  57                  // rotate color on RGB color circle
  58                  // 70° should end up with the typical "testnet" green
  59                  h+=iconColorHueShift;
  60  
  61                  // change saturation value
  62                  if(s>iconColorSaturationReduction)
  63                  {
  64                      s -= iconColorSaturationReduction;
  65                  }
  66                  col.setHsl(h,s,l,a);
  67  
  68                  // set the pixel
  69                  scL[x] = col.rgba();
  70              }
  71          }
  72  
  73          //convert back to QPixmap
  74          pixmap.convertFromImage(img);
  75      }
  76  
  77      appIcon             = QIcon(pixmap);
  78      trayAndWindowIcon   = QIcon(pixmap.scaled(QSize(256,256)));
  79  }
  80  
  81  const NetworkStyle* NetworkStyle::instantiate(const ChainType networkId)
  82  {
  83      std::string titleAddText = networkId == ChainType::MAIN ? "" : strprintf("[%s]", ChainTypeToString(networkId));
  84      for (const auto& network_style : network_styles) {
  85          if (networkId == network_style.networkId) {
  86              return new NetworkStyle(
  87                      network_style.appName,
  88                      network_style.iconColorHueShift,
  89                      network_style.iconColorSaturationReduction,
  90                      titleAddText.c_str());
  91          }
  92      }
  93      return nullptr;
  94  }
  95