From 59f9e2aaf3fe73961cc02042f929b430fee59f9c Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <dev@jonasschnelli.ch>
Date: Fri, 12 Jan 2018 11:09:59 -1000
Subject: Use flexible font size for QRCode image address

---
 src/qt/guiutil.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/qt/guiutil.cpp')

diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index 670d6108db..558d4f108c 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -995,6 +995,18 @@ QString formatBytes(uint64_t bytes)
     return QString(QObject::tr("%1 GB")).arg(bytes / 1024 / 1024 / 1024);
 }
 
+qreal calculateIdealFontSize(int width, const QString& text, QFont font, qreal minPointSize, qreal font_size) {
+    while(font_size >= minPointSize) {
+        font.setPointSizeF(font_size);
+        QFontMetrics fm(font);
+        if (fm.width(text) < width) {
+            break;
+        }
+        font_size -= 0.5;
+    }
+    return font_size;
+}
+
 void ClickableLabel::mouseReleaseEvent(QMouseEvent *event)
 {
     Q_EMIT clicked(event->pos());
-- 
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