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// Copyright (c) 2014-2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <qt/networkstyle.h>
#include <qt/guiconstants.h>
#include <chainparamsbase.h>
#include <tinyformat.h>
#include <util/chaintype.h>
#include <QApplication>
static const struct {
const ChainType networkId;
const char *appName;
const int iconColorHueShift;
const int iconColorSaturationReduction;
} network_styles[] = {
{ChainType::MAIN, QAPP_APP_NAME_DEFAULT, 0, 0},
{ChainType::TESTNET, QAPP_APP_NAME_TESTNET, 70, 30},
{ChainType::SIGNET, QAPP_APP_NAME_SIGNET, 35, 15},
{ChainType::REGTEST, QAPP_APP_NAME_REGTEST, 160, 30},
};
// titleAddText needs to be const char* for tr()
NetworkStyle::NetworkStyle(const QString &_appName, const int iconColorHueShift, const int iconColorSaturationReduction, const char *_titleAddText):
appName(_appName),
titleAddText(qApp->translate("SplashScreen", _titleAddText))
{
// load pixmap
QPixmap pixmap(":/icons/bitcoin");
if(iconColorHueShift != 0 && iconColorSaturationReduction != 0)
{
// generate QImage from QPixmap
QImage img = pixmap.toImage();
int h,s,l,a;
// traverse though lines
for(int y=0;y<img.height();y++)
{
QRgb *scL = reinterpret_cast< QRgb *>( img.scanLine( y ) );
// loop through pixels
for(int x=0;x<img.width();x++)
{
// preserve alpha because QColor::getHsl doesn't return the alpha value
a = qAlpha(scL[x]);
QColor col(scL[x]);
// get hue value
col.getHsl(&h,&s,&l);
// rotate color on RGB color circle
// 70° should end up with the typical "testnet" green
h+=iconColorHueShift;
// change saturation value
if(s>iconColorSaturationReduction)
{
s -= iconColorSaturationReduction;
}
col.setHsl(h,s,l,a);
// set the pixel
scL[x] = col.rgba();
}
}
//convert back to QPixmap
pixmap.convertFromImage(img);
}
appIcon = QIcon(pixmap);
trayAndWindowIcon = QIcon(pixmap.scaled(QSize(256,256)));
}
const NetworkStyle* NetworkStyle::instantiate(const ChainType networkId)
{
std::string titleAddText = networkId == ChainType::MAIN ? "" : strprintf("[%s]", ChainTypeToString(networkId));
for (const auto& network_style : network_styles) {
if (networkId == network_style.networkId) {
return new NetworkStyle(
network_style.appName,
network_style.iconColorHueShift,
network_style.iconColorSaturationReduction,
titleAddText.c_str());
}
}
return nullptr;
}
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