Fix incorrect font color detection for DeviceView (threshold 50)

k1-801 · CalcProgrammer1 · commit 290fddaf5582 · 2020-09-06T02:36:53.000-05:00
diff --git a/qt/DeviceView.cpp b/qt/DeviceView.cpp
@@ -503,7 +503,9 @@ void DeviceView::paintEvent(QPaintEvent* /* event */)
         font.setPixelSize(posh / 2);
         painter.setFont(font);
 
-        if(currentColor.value() > 127)
+        unsigned int luma = (unsigned int)(0.2126f * currentColor.red() + 0.7152f * currentColor.green() + 0.0722f * currentColor.blue());
+
+        if(luma > 127)
         {
             painter.setPen(Qt::black);
         }

Original file line number	Diff line number	Diff line change
`@@ -503,7 +503,9 @@ void DeviceView::paintEvent(QPaintEvent* /* event */)`
`503`	`503`	`font.setPixelSize(posh / 2);`
`504`	`504`	`painter.setFont(font);`
`505`	`505`
`506`		`- if(currentColor.value() > 127)`
	`506`	`+ unsigned int luma = (unsigned int)(0.2126f * currentColor.red() + 0.7152f * currentColor.green() + 0.0722f * currentColor.blue());`
	`507`	`+`
	`508`	`+ if(luma > 127)`
`507`	`509`	`{`
`508`	`510`	`painter.setPen(Qt::black);`
`509`	`511`	`}`