1 files changed, 22 insertions, 3 deletions
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index be346e9975..24c466427c 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -494,7 +494,7 @@ static void collectSingleContour(qreal x0, qreal y0, uint *grid, int x, int y, i
     path->closeSubpath();
 }
 
-void qt_addBitmapToPath(qreal x0, qreal y0, const uchar *image_data, int bpl, int w, int h, QPainterPath *path)
+Q_GUI_EXPORT void qt_addBitmapToPath(qreal x0, qreal y0, const uchar *image_data, int bpl, int w, int h, QPainterPath *path)
 {
     uint *grid = new uint[(w+1)*(h+1)];
     // set up edges
@@ -605,6 +605,12 @@ void QFontEngine::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int n
     addBitmapFontToPath(x, y, g, path, flags);
 }
 
+QImage QFontEngine::alphaMapForGlyph(glyph_t glyph, QFixed /*subPixelPosition*/)
+{
+    // For font engines don't support subpixel positioning
+    return alphaMapForGlyph(glyph);
+}
+
 QImage QFontEngine::alphaMapForGlyph(glyph_t glyph, const QTransform &t)
 {
     QImage i = alphaMapForGlyph(glyph);
@@ -615,6 +621,19 @@ QImage QFontEngine::alphaMapForGlyph(glyph_t glyph, const QTransform &t)
     return i;
 }
 
+QImage QFontEngine::alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition, const QTransform &t)
+{
+    if (! supportsSubPixelPositions())
+        return alphaMapForGlyph(glyph, t);
+
+    QImage i = alphaMapForGlyph(glyph, subPixelPosition);
+    if (t.type() > QTransform::TxTranslate)
+        i = i.transformed(t).convertToFormat(QImage::Format_Indexed8);
+    Q_ASSERT(i.depth() <= 8); // To verify that transformed didn't change the format...
+
+    return i;
+}
+
 QImage QFontEngine::alphaRGBMapForGlyph(glyph_t glyph, QFixed /*subPixelPosition*/, int /* margin */, const QTransform &t)
 {
     QImage alphaMask = alphaMapForGlyph(glyph, t);
@@ -753,7 +772,7 @@ QFontEngineGlyphCache *QFontEngine::glyphCache(void *key, QFontEngineGlyphCache:
     return 0;
 }
 
-#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN)
+#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_WS_QPA) || defined(Q_OS_SYMBIAN)
 static inline QFixed kerning(int left, int right, const QFontEngine::KernPair *pairs, int numPairs)
 {
     uint left_right = (left << 16) + right;
@@ -1197,7 +1216,7 @@ glyph_metrics_t QFontEngineBox::boundingBox(const QGlyphLayout &glyphs)
     return overall;
 }
 
-#if defined(Q_WS_QWS)
+#if defined(Q_WS_QWS) || defined(Q_WS_QPA)
 void QFontEngineBox::draw(QPaintEngine *p, qreal x, qreal y, const QTextItemInt &ti)
 {
     if (!ti.glyphs.numGlyphs)