From ab5a0c9cb18a69bf0b014807d9a03193feeedcb4 Mon Sep 17 00:00:00 2001
From: Aleksei German <aleksei.german@qt.io>
Date: Tue, 7 Apr 2020 19:17:33 +0200
Subject: [PATCH] QDS IconFont to Icons importer

Change-Id: Idae58499cf3a3e3967e701597b0f00c16367c602
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
---
 src/libs/utils/stylehelper.cpp | 28 ++++++++++++++++++++++++++++
 src/libs/utils/stylehelper.h   |  2 ++
 2 files changed, 30 insertions(+)

diff --git a/src/libs/utils/stylehelper.cpp b/src/libs/utils/stylehelper.cpp
index f91c24b52ac..28d07392271 100644
--- a/src/libs/utils/stylehelper.cpp
+++ b/src/libs/utils/stylehelper.cpp
@@ -35,6 +35,7 @@
 #include <QCommonStyle>
 #include <QStyleOption>
 #include <QWindow>
+#include <QFontDatabase>
 #include <qmath.h>
 
 // Clamps float color values within (0, 255)
@@ -542,6 +543,33 @@ QLinearGradient StyleHelper::statusBarGradient(const QRect &statusBarRect)
     return grad;
 }
 
+QPixmap StyleHelper::getIconFromIconFont(const QString &fontName, const QString &iconSymbol, int fontSize, int iconSize)
+{
+    QFontDatabase a;
+
+    Q_ASSERT(a.hasFamily(fontName));
+
+    if (a.hasFamily(fontName)) {
+        QPixmap icon(iconSize, iconSize);
+        icon.fill(Qt::transparent);
+        QPainter painter(&icon);
+        QFont font(fontName);
+        font.setPixelSize(fontSize);
+        QColor penColor = QApplication::palette("QWidget").color(QPalette::Normal, QPalette::ButtonText);
+
+        painter.save();
+        painter.setPen(penColor);
+        painter.setFont(font);
+        painter.drawText(QRectF(0, 0, iconSize, iconSize), iconSymbol);
+
+        painter.restore();
+
+        return icon;
+    }
+
+    return {};
+}
+
 QString StyleHelper::dpiSpecificImageFile(const QString &fileName)
 {
     // See QIcon::addFile()
diff --git a/src/libs/utils/stylehelper.h b/src/libs/utils/stylehelper.h
index 4bcec960ad5..e9261b7c8bb 100644
--- a/src/libs/utils/stylehelper.h
+++ b/src/libs/utils/stylehelper.h
@@ -93,6 +93,8 @@ public:
     static void tintImage(QImage &img, const QColor &tintColor);
     static QLinearGradient statusBarGradient(const QRect &statusBarRect);
 
+    static QPixmap getIconFromIconFont(const QString &fontName, const QString &iconSymbol, int fontSize, int iconSize);
+
     static QString dpiSpecificImageFile(const QString &fileName);
     static QString imageFileWithResolution(const QString &fileName, int dpr);
     static QList<int> availableImageResolutions(const QString &fileName);