Merge remote-tracking branch 'qt-mainline/4.8'

4 files changed, 16 insertions, 3 deletions

diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 8bf329d..de8ea88 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -3213,7 +3213,7 @@ static void drawImageTiled(QVGPaintEnginePrivate *d,
     VGImage tileWithOpacity = VG_INVALID_HANDLE;
     if (d->opacity != 1) {
         tileWithOpacity = pool->createPermanentImage(VG_sARGB_8888_PRE,
-            tileWidth, tileHeight, VG_IMAGE_QUALITY_FASTER);
+            tileWidth, tileHeight, VG_IMAGE_QUALITY_NONANTIALIASED);
         if (tileWithOpacity == VG_INVALID_HANDLE)
             qWarning("drawImageTiled: Failed to create extra tile, ignoring opacity");
     }
@@ -3226,6 +3226,10 @@ static void drawImageTiled(QVGPaintEnginePrivate *d,
     VGfloat scaleY = r.height() / sourceRect.height();
 
     d->setImageOptions();
+    VGImageQuality oldImageQuality = d->imageQuality;
+    VGRenderingQuality oldRenderingQuality = d->renderingQuality;
+    d->setImageQuality(VG_IMAGE_QUALITY_NONANTIALIASED);
+    d->setRenderingQuality(VG_RENDERING_QUALITY_NONANTIALIASED);
 
     for (int y = sourceRect.y(); y < sourceRect.height(); y += tileHeight) {
         int h = qMin(tileHeight, sourceRect.height() - y);
@@ -3265,6 +3269,9 @@ static void drawImageTiled(QVGPaintEnginePrivate *d,
     vgDestroyImage(tile);
     if (tileWithOpacity != VG_INVALID_HANDLE)
         vgDestroyImage(tileWithOpacity);
+
+    d->setImageQuality(oldImageQuality);
+    d->setRenderingQuality(oldRenderingQuality);
 }
 
 // Used by qpixmapfilter_vg.cpp to draw filtered VGImage's.
diff --git a/src/openvg/qpixmapdata_vg.cpp b/src/openvg/qpixmapdata_vg.cpp
index f3ca57c..597f3fa 100644
--- a/src/openvg/qpixmapdata_vg.cpp
+++ b/src/openvg/qpixmapdata_vg.cpp
@@ -249,9 +249,10 @@ void QVGPixmapData::createPixmapForImage(QImage &image, Qt::ImageConversionFlags
         // same. Detaching is needed to prevent issues with painting
         // onto this QPixmap later on.
         convertedImage.detach();
+        if (convertedImage.isNull())
+            qWarning("QVGPixmapData: Failed to convert image data (out of memory? try increasing heap size)");
         source = QVolatileImage(convertedImage);
     }
-
     recreate = true;
 }
 
diff --git a/src/openvg/qpixmapdata_vg_p.h b/src/openvg/qpixmapdata_vg_p.h
index 18846f3..4a969c0 100644
--- a/src/openvg/qpixmapdata_vg_p.h
+++ b/src/openvg/qpixmapdata_vg_p.h
@@ -138,7 +138,7 @@ public:
     QSize size() const { return QSize(w, h); }
 
 #if defined(Q_OS_SYMBIAN)
-    QVolatileImage toVolatileImage() const { return source; }
+    QVolatileImage toVolatileImage() const;
     void* toNativeType(NativeType type);
     void fromNativeType(void* pixmap, NativeType type);
     bool initFromNativeImageHandle(void *handle, const QString &type);
diff --git a/src/openvg/qvg_symbian.cpp b/src/openvg/qvg_symbian.cpp
index 249b053..98a5869 100644
--- a/src/openvg/qvg_symbian.cpp
+++ b/src/openvg/qvg_symbian.cpp
@@ -288,6 +288,11 @@ void* QVGPixmapData::toNativeType(NativeType type)
     return 0;
 }
 
+QVolatileImage QVGPixmapData::toVolatileImage() const
+{
+    return source;
+}
+
 QSymbianVGFontGlyphCache::QSymbianVGFontGlyphCache() : QVGFontGlyphCache()
 {
 #ifdef QT_SYMBIAN_HARDWARE_GLYPH_CACHE