diff --git a/src/qt/qt_styleoverride.cpp b/src/qt/qt_styleoverride.cpp index 60a7162a5..0bade8fa6 100644 --- a/src/qt/qt_styleoverride.cpp +++ b/src/qt/qt_styleoverride.cpp @@ -18,6 +18,9 @@ #include #include +#include +#include +#include #ifdef Q_OS_WINDOWS #include @@ -66,3 +69,40 @@ StyleOverride::polish(QWidget *widget) qobject_cast(widget)->view()->setMinimumWidth(widget->minimumSizeHint().width()); } } + +QPixmap +StyleOverride::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *option) const +{ + if (iconMode != QIcon::Disabled) { + return QProxyStyle::generatedIconPixmap(iconMode, pixmap, option); + } + + auto image = pixmap.toImage(); + + for (int y = 0; y < image.height(); y++) { + for (int x = 0; x < image.width(); x++) { + // checkerboard transparency + if (((x ^ y) & 1) == 0) { + image.setPixelColor(x, y, Qt::transparent); + continue; + } + + auto color = image.pixelColor(x, y); + + // convert to grayscale using the NTSC formula + auto avg = 0.0; + avg += color.blueF() * 0.114; + avg += color.greenF() * 0.587; + avg += color.redF() * 0.299; + + color.setRedF(avg); + color.setGreenF(avg); + color.setBlueF(avg); + + image.setPixelColor(x, y, color); + + } + } + + return QPixmap::fromImage(image); +} diff --git a/src/qt/qt_styleoverride.hpp b/src/qt/qt_styleoverride.hpp index c04d01a12..840aa6ad6 100644 --- a/src/qt/qt_styleoverride.hpp +++ b/src/qt/qt_styleoverride.hpp @@ -4,6 +4,9 @@ #include #include #include +#include +#include +#include class StyleOverride : public QProxyStyle { public: @@ -14,6 +17,7 @@ public: QStyleHintReturn *returnData = nullptr) const override; void polish(QWidget *widget) override; + QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *option) const override; }; #endif