1 // Copyright (c) 2014-2019 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 <chainparamsbase.h> 10 #include <tinyformat.h> 11 12 #include <QApplication> 13 14 static const struct { 15 const char *networkId; 16 const char *appName; 17 const int iconColorHueShift; 18 const int iconColorSaturationReduction; 19 } network_styles[] = { 20 {"main", QAPP_APP_NAME_DEFAULT, 0, 0}, 21 {"test", QAPP_APP_NAME_TESTNET, 70, 30}, 22 {"signet", QAPP_APP_NAME_SIGNET, 35, 15}, 23 {"regtest", QAPP_APP_NAME_REGTEST, 160, 30}, 24 }; 25 26 // titleAddText needs to be const char* for tr() 27 NetworkStyle::NetworkStyle(const QString &_appName, const int iconColorHueShift, const int iconColorSaturationReduction, const char *_titleAddText): 28 appName(_appName), 29 titleAddText(qApp->translate("SplashScreen", _titleAddText)) 30 { 31 // load pixmap 32 QPixmap pixmap(":/icons/bitcoin"); 33 34 if(iconColorHueShift != 0 && iconColorSaturationReduction != 0) 35 { 36 // generate QImage from QPixmap 37 QImage img = pixmap.toImage(); 38 39 int h,s,l,a; 40 41 // traverse though lines 42 for(int y=0;y<img.height();y++) 43 { 44 QRgb *scL = reinterpret_cast< QRgb *>( img.scanLine( y ) ); 45 46 // loop through pixels 47 for(int x=0;x<img.width();x++) 48 { 49 // preserve alpha because QColor::getHsl doesn't return the alpha value 50 a = qAlpha(scL[x]); 51 QColor col(scL[x]); 52 53 // get hue value 54 col.getHsl(&h,&s,&l); 55 56 // rotate color on RGB color circle 57 // 70° should end up with the typical "testnet" green 58 h+=iconColorHueShift; 59 60 // change saturation value 61 if(s>iconColorSaturationReduction) 62 { 63 s -= iconColorSaturationReduction; 64 } 65 col.setHsl(h,s,l,a); 66 67 // set the pixel 68 scL[x] = col.rgba(); 69 } 70 } 71 72 //convert back to QPixmap 73 pixmap.convertFromImage(img); 74 } 75 76 appIcon = QIcon(pixmap); 77 trayAndWindowIcon = QIcon(pixmap.scaled(QSize(256,256))); 78 } 79 80 const NetworkStyle* NetworkStyle::instantiate(const std::string& networkId) 81 { 82 std::string titleAddText = networkId == CBaseChainParams::MAIN ? "" : strprintf("[%s]", networkId); 83 for (const auto& network_style : network_styles) { 84 if (networkId == network_style.networkId) { 85 return new NetworkStyle( 86 network_style.appName, 87 network_style.iconColorHueShift, 88 network_style.iconColorSaturationReduction, 89 titleAddText.c_str()); 90 } 91 } 92 return nullptr; 93 } 94