From 6858f1dd6294a93c1e1ec8007cb0434b53646488 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Wed, 19 Aug 2015 02:06:32 +0200
Subject: GH-1197 add console log color adaptation

rainbow library was part of KDE - KGuiAddons
---
 application/Colors.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 application/Colors.cpp

(limited to 'application/Colors.cpp')

diff --git a/application/Colors.cpp b/application/Colors.cpp
new file mode 100644
index 00000000..8812c93d
--- /dev/null
+++ b/application/Colors.cpp
@@ -0,0 +1,26 @@
+#include "Colors.h"
+
+/**
+ * Blend the color with the front color, adapting to the back color
+ */
+QColor Color::blend(QColor front, QColor back, QColor color, uchar ratio)
+{
+	Q_ASSERT(front.isValid());
+	Q_ASSERT(back.isValid());
+	if (Rainbow::luma(front) > Rainbow::luma(back))
+	{
+		// for dark color schemes, produce a fitting color first
+		color = Rainbow::tint(front, color, 0.5);
+	}
+	// adapt contrast
+	return Rainbow::mix(front, color, float(ratio) / float(0xff));
+}
+
+/**
+ * Blend the color with the back color
+ */
+QColor Color::blendBackground(QColor back, QColor color, uchar ratio)
+{
+	// adapt contrast
+	return Rainbow::mix(back, color, float(ratio) / float(0xff));
+}
-- 
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