3 files changed, 65 insertions, 1 deletions

diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 6f5c732..eee3a47 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -5699,6 +5699,61 @@ void QPainter::drawImage(const QRectF &targetRect, const QImage &image, const QR
     d->engine->drawImage(QRectF(x, y, w, h), image, QRectF(sx, sy, sw, sh), flags);
 }
 
+
+void qt_draw_glyphs(QPainter *painter, const quint32 *glyphArray, const QPointF *positionArray,
+                    int glyphCount)
+{
+    QPainterPrivate *painter_d = QPainterPrivate::get(painter);
+    painter_d->drawGlyphs(glyphArray, positionArray, glyphCount);
+}
+
+void QPainterPrivate::drawGlyphs(const quint32 *glyphArray, const QPointF *positionArray,
+                                 int glyphCount)
+{
+    updateState(state);
+
+    QFontEngine *fontEngine = state->font.d->engineForScript(QUnicodeTables::Common);
+
+    QVarLengthArray<QFixedPoint, 128> positions;
+    for (int i=0; i<glyphCount; ++i) {
+        QFixedPoint fp = QFixedPoint::fromPointF(positionArray[i]);
+        positions.append(fp);
+    }
+
+    if (extended != 0) {
+        QStaticTextItem staticTextItem;
+        staticTextItem.color = state->pen.color();
+        staticTextItem.font = state->font;
+        staticTextItem.fontEngine = fontEngine;
+        staticTextItem.numGlyphs = glyphCount;
+        staticTextItem.glyphs = reinterpret_cast<glyph_t *>(const_cast<glyph_t *>(glyphArray));
+        staticTextItem.glyphPositions = positions.data();
+
+        extended->drawStaticTextItem(&staticTextItem);
+    } else {
+        QTextItemInt textItem;
+        textItem.f = &state->font;
+        textItem.fontEngine = fontEngine;
+
+        QVarLengthArray<QFixed, 128> advances(glyphCount);
+        QVarLengthArray<QGlyphJustification, 128> glyphJustifications(glyphCount);
+        QVarLengthArray<HB_GlyphAttributes, 128> glyphAttributes(glyphCount);
+        qMemSet(glyphAttributes.data(), 0, glyphAttributes.size() * sizeof(HB_GlyphAttributes));
+        qMemSet(advances.data(), 0, advances.size() * sizeof(QFixed));
+        qMemSet(glyphJustifications.data(), 0, glyphJustifications.size() * sizeof(QGlyphJustification));
+
+        textItem.glyphs.numGlyphs = glyphCount;
+        textItem.glyphs.glyphs = reinterpret_cast<HB_Glyph *>(const_cast<quint32 *>(glyphArray));
+        textItem.glyphs.offsets = positions.data();
+        textItem.glyphs.advances_x = advances.data();
+        textItem.glyphs.advances_y = advances.data();
+        textItem.glyphs.justifications = glyphJustifications.data();
+        textItem.glyphs.attributes = glyphAttributes.data();
+
+        engine->drawTextItem(QPointF(0, 0), textItem);
+    }
+}
+
 /*!
 
     \fn void QPainter::drawStaticText(const QPoint &position, const QStaticText &staticText)
diff --git a/src/gui/painting/qpainter_p.h b/src/gui/painting/qpainter_p.h
index 02a91aa..9362dbe 100644
--- a/src/gui/painting/qpainter_p.h
+++ b/src/gui/painting/qpainter_p.h
@@ -228,6 +228,7 @@ public:
     void draw_helper(const QPainterPath &path, DrawOperation operation = StrokeAndFillDraw);
     void drawStretchedGradient(const QPainterPath &path, DrawOperation operation);
     void drawOpaqueBackground(const QPainterPath &path, DrawOperation operation);
+    void drawGlyphs(const quint32 *glyphArray, const QPointF *positionArray, int glyphCount);
 
     void updateMatrix();
     void updateInvMatrix();
@@ -238,6 +239,11 @@ public:
 
     void checkEmulation();
 
+    static QPainterPrivate *get(QPainter *painter)
+    {
+        return painter->d_ptr.data();
+    }
+
     QTransform viewTransform() const;
     static bool attachPainterPrivate(QPainter *q, QPaintDevice *pdev);
     void detachPainterPrivate(QPainter *q);
@@ -252,6 +258,8 @@ public:
 };
 
 Q_GUI_EXPORT void qt_draw_helper(QPainterPrivate *p, const QPainterPath &path, QPainterPrivate::DrawOperation operation);
+Q_GUI_EXPORT void qt_draw_glyphs(QPainter *painter, const quint32 *glyphArray,
+                                 const QPointF *positionArray, int glyphCount);
 
 QString qt_generate_brush_key(const QBrush &brush);
 
diff --git a/src/gui/painting/qprintengine_win.cpp b/src/gui/painting/qprintengine_win.cpp
index d029b1e..ea9dc5d 100644
--- a/src/gui/painting/qprintengine_win.cpp
+++ b/src/gui/painting/qprintengine_win.cpp
@@ -368,7 +368,8 @@ void QWin32PrintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem
     }
 
     // We only want to convert the glyphs to text if the entire string is compatible with ASCII
-    bool convertToText = true;
+    // and if we actually have access to the chars.
+    bool convertToText = ti.chars != 0;
     for (int i=0;  i < ti.num_chars; ++i) {
         if (ti.chars[i].unicode() >= 0x80) {
             convertToText = false;