From 2a8d50ed6a8e3ca6a03b407028ea175460af6e2f Mon Sep 17 00:00:00 2001
From: Jiang Jiang <jiang.jiang@nokia.com>
Date: Mon, 2 May 2011 14:13:06 +0200
Subject: [PATCH] Add required font metrics functions to QRawFont

Reviewed-by: Eskil
(cherry picked from commit 2c8df8bfb679885c3cbd2ee02f5e4053fdd554c2)
---
 src/gui/text/qrawfont.cpp | 52 +++++++++++++++++++++++++++++++++++++++++++++++
 src/gui/text/qrawfont.h   |  4 ++++
 2 files changed, 56 insertions(+)

diff --git a/src/gui/text/qrawfont.cpp b/src/gui/text/qrawfont.cpp
index 1bce909..46c892c 100644
--- a/src/gui/text/qrawfont.cpp
+++ b/src/gui/text/qrawfont.cpp
@@ -302,6 +302,58 @@ qreal QRawFont::descent() const
 }
 
 /*!
+   Returns the xHeight of this QRawFont in pixel units.
+
+   \sa QFontMetricsF::xHeight()
+*/
+qreal QRawFont::xHeight() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->xHeight().toReal();
+}
+
+/*!
+   Returns the leading of this QRawFont in pixel units.
+
+   \sa QFontMetricsF::leading()
+*/
+qreal QRawFont::leading() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->leading().toReal();
+}
+
+/*!
+   Returns the average character width of this QRawFont in pixel units.
+
+   \sa QFontMetricsF::averageCharWidth()
+*/
+qreal QRawFont::averageCharWidth() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->averageCharWidth().toReal();
+}
+
+/*!
+   Returns the width of the widest character in the font.
+
+   \sa QFontMetricsF::maxWidth()
+*/
+qreal QRawFont::maxCharWidth() const
+{
+    if (!isValid())
+        return 0.0;
+
+    return d->fontEngine->maxCharWidth();
+}
+
+/*!
    Returns the pixel size set for this QRawFont. The pixel size affects how glyphs are
    rasterized, the size of glyphs returned by pathForGlyph(), and is used to convert
    internal metrics from design units to logical pixel units.
diff --git a/src/gui/text/qrawfont.h b/src/gui/text/qrawfont.h
index 56aeefc..900c07a 100644
--- a/src/gui/text/qrawfont.h
+++ b/src/gui/text/qrawfont.h
@@ -103,6 +103,10 @@ public:
 
     qreal ascent() const;
     qreal descent() const;
+    qreal leading() const;
+    qreal xHeight() const;
+    qreal averageCharWidth() const;
+    qreal maxCharWidth() const;
 
     qreal unitsPerEm() const;
 
-- 
2.7.4