Merge branch 'master' of https://github.com/redsky17/nheko

1 files changed, 19 insertions, 0 deletions

diff --git a/src/Utils.h b/src/Utils.h

index 2a029943..8672e7d4 100644
--- a/src/Utils.h
+++ b/src/Utils.h
@@ -14,6 +14,8 @@
 #include <mtx/events/collections.hpp>
 #include <mtx/events/common.hpp>
 
+#include <qmath.h>
+
 class QComboBox;
 
 namespace utils {
@@ -227,6 +229,23 @@ markdownToHtml(const QString &text);
 QString
 linkColor();
 
+//! Returns the hash code of the input QString
+int
+hashQString(const QString &input);
+
+//! Generate a color (matching #RRGGBB) that has an acceptable contrast to background that is based
+//! on the input string.
+QString
+generateContrastingHexColor(const QString &input, const QString &background);
+
+//! Given two luminance values, compute the contrast ratio between them.
+qreal
+computeContrast(const qreal &one, const qreal &two);
+
+//! Compute the luminance of a single color.  Based on https://stackoverflow.com/a/9733420
+qreal
+luminance(const QColor &col);
+
 //! Center a widget in relation to another widget.
 void
 centerWidget(QWidget *widget, QWidget *parent);