Merge branch '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.6-integration

* '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-2: (26 commits)
  QLocalSocket::isValid on Windows must check for broken connection
  fix pipe handle leak in qlocalsocket_win.cpp
  GraphicsViewBenchmark: Run app in full screen mode on small desktops.
  Fix Thai text on Windows 7
  Fix License headers.
  QTextCodec::codecForName.  Insert in the cache in all cases.
  Prevented calling the pixmap filter implementations with null pixmaps.
  Make it possible to run benchmarks with the "-graphicssystem" switch.
  Add support for running the GraphicsViewBenchmark application manually.
  Bump version to 4.6.3.
  Fixed a GLX warning that occured with some Intel chipsets under X11.
  Fixed compile for maemo6.
  Cleanup QEglContext & EGLDisplays
  Moved 'hasAlpha' property from GL2 engine to GL paint device.
  Remove useless qDebug in QTextCodec autotest
  QTextCodec: Symbian has codec for UCS2, only fallback to UTF16 if UCS2 codec cannot be loaded
  Add caching to QTextCodec::codecForName and QTextCodec::codecForMib
  Add benchmark for QTextCodec
  Fix several bugs with GL texture cache
  Compile fix for OpenGL ES.
  ...

2 files changed, 7 insertions, 4 deletions

diff --git a/src/gui/painting/qcups.cpp b/src/gui/painting/qcups.cpp
index 7903762..ac41692 100644
--- a/src/gui/painting/qcups.cpp
+++ b/src/gui/painting/qcups.cpp
@@ -342,7 +342,9 @@ bool QCUPSSupport::printerHasPPD(const char *printerName)
 {
     if (!isAvailable())
         return false;
-    return _cupsGetPPD(printerName) != 0;
+    const char *ppdFile = _cupsGetPPD(printerName);
+    unlink(ppdFile);
+    return (ppdFile != 0);
 }
 
 QString QCUPSSupport::unicodeString(const char *s)
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 3bcaf8c..075c457 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -708,13 +708,14 @@ void QPainterPrivate::updateEmulationSpecifier(QPainterState *s)
         bool penTextureAlpha = false;
         if (penBrush.style() == Qt::TexturePattern)
             penTextureAlpha = qHasPixmapTexture(penBrush)
-                              ? penBrush.texture().hasAlpha()
+                              ? (penBrush.texture().depth() > 1) && penBrush.texture().hasAlpha()
                               : penBrush.textureImage().hasAlphaChannel();
         bool brushTextureAlpha = false;
-        if (s->brush.style() == Qt::TexturePattern)
+        if (s->brush.style() == Qt::TexturePattern) {
             brushTextureAlpha = qHasPixmapTexture(s->brush)
-                                ? s->brush.texture().hasAlpha()
+                                ? (s->brush.texture().depth() > 1) && s->brush.texture().hasAlpha()
                                 : s->brush.textureImage().hasAlphaChannel();
+        }
         if (((penBrush.style() == Qt::TexturePattern && penTextureAlpha)
              || (s->brush.style() == Qt::TexturePattern && brushTextureAlpha))
             && !engine->hasFeature(QPaintEngine::MaskedBrush))