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  {"regtest", QAPP_APP_NAME_REGTEST, 160, 30}
23 };
24 static const unsigned network_styles_count = sizeof(network_styles)/sizeof(*network_styles);
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
59 
60  // change saturation value
61  if(s>iconColorSaturationReduction)
62  {
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 
81 {
82  std::string titleAddText = networkId == CBaseChainParams::MAIN ? "" : strprintf("[%s]", networkId);
83  for (unsigned x=0; x<network_styles_count; ++x)
84  {
85  if (networkId == network_styles[x].networkId)
86  {
87  return new NetworkStyle(
91  titleAddText.c_str());
92  }
93  }
94  return nullptr;
95 }
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:49
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