Bitcoin Core  0.20.99
P2P Digital Currency
networkstyle.cpp
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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;
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 static const unsigned network_styles_count = sizeof(network_styles)/sizeof(*network_styles);
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
60 
61  // change saturation value
62  if(s>iconColorSaturationReduction)
63  {
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 
82 {
83  std::string titleAddText = networkId == CBaseChainParams::MAIN ? "" : strprintf("[%s]", networkId);
84  for (unsigned x=0; x<network_styles_count; ++x)
85  {
86  if (networkId == network_styles[x].networkId)
87  {
88  return new NetworkStyle(
92  titleAddText.c_str());
93  }
94  }
95  return nullptr;
96 }
static const NetworkStyle * instantiate(const std::string &networkId)
Get style associated with provided network id, or 0 if not known.
#define strprintf
Format arguments and return the string or write to given std::ostream (see tinyformat::format doc for...
Definition: tinyformat.h:1164
#define QAPP_APP_NAME_REGTEST
Definition: guiconstants.h:50
static const std::string MAIN
Chain name strings.
const int iconColorHueShift
QIcon trayAndWindowIcon
Definition: networkstyle.h:29
const char * networkId
static const unsigned network_styles_count
QString titleAddText
Definition: networkstyle.h:30
#define QAPP_APP_NAME_DEFAULT
Definition: guiconstants.h:47
QString appName
Definition: networkstyle.h:27
const int iconColorSaturationReduction
#define QAPP_APP_NAME_TESTNET
Definition: guiconstants.h:48
static const struct @5 network_styles[]
NetworkStyle(const QString &appName, const int iconColorHueShift, const int iconColorSaturationReduction, const char *titleAddText)
const char * appName
#define QAPP_APP_NAME_SIGNET
Definition: guiconstants.h:49