From 7fb31670f080c224249279c35240a8eb95f8d877 Mon Sep 17 00:00:00 2001
From: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
Date: Tue, 20 Jul 2010 14:26:06 +0200
Subject: Add QTextFragment::glyphs() accessor

Add a function to retrieve fonts, glyph indexes and positions needed to
visualize the text in a QTextFragment to allow converting the text of
a QTextDocument to QGlyphs objects.

Reviewed-by: Simon Hausmann
---
 src/gui/text/qtextobject.cpp | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'src/gui/text/qtextobject.cpp')

diff --git a/src/gui/text/qtextobject.cpp b/src/gui/text/qtextobject.cpp
index 5fb3384d51..e366f7766b 100644
--- a/src/gui/text/qtextobject.cpp
+++ b/src/gui/text/qtextobject.cpp
@@ -1650,6 +1650,35 @@ QTextBlock::iterator &QTextBlock::iterator::operator--()
     than the \a other text fragment; otherwise returns false.
 */
 
+/*!
+    Returns the glyphs of this text fragment. The positions of the glyphs are
+    relative to the position of the QTextBlock's layout.
+
+    \sa QGlyphs, QTextBlock::layout(), QTextLayout::position(), QPainter::drawGlyphs()
+*/
+QList<QGlyphs> QTextFragment::glyphs() const
+{
+    if (!p || !n)
+        return QList<QGlyphs>();
+
+    int pos = position();
+    int len = length();
+    if (len == 0)
+        return QList<QGlyphs>();
+
+    int blockNode = p->blockMap().findNode(pos);
+
+    const QTextBlockData *blockData = p->blockMap().fragment(blockNode);
+    QTextLayout *layout = blockData->layout;
+
+    QList<QGlyphs> ret;
+    for (int i=0; i<layout->lineCount(); ++i) {
+        QTextLine textLine = layout->lineAt(i);
+        ret += textLine.glyphs(pos, len);
+    }
+
+    return ret;
+}
 
 /*!
     Returns the position of this text fragment in the document.
-- 
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