Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-qml into 4.7

9 files changed, 110 insertions, 146 deletions

diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index 605b1e6..af3b79a 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -259,7 +259,7 @@ EGLConfig QEgl::defaultConfig(int devType, API api, ConfigOptions options)
 
     // Add paint engine requirements
     if (api == OpenVG) {
-#ifndef QVG_SCISSOR_CLIP
+#if !defined(QVG_SCISSOR_CLIP) && defined(EGL_ALPHA_MASK_SIZE)
         configAttribs.setValue(EGL_ALPHA_MASK_SIZE, 1);
 #endif
     } else {
diff --git a/src/gui/egl/qegl_p.h b/src/gui/egl/qegl_p.h
index c214e88..aa08934 100644
--- a/src/gui/egl/qegl_p.h
+++ b/src/gui/egl/qegl_p.h
@@ -65,6 +65,10 @@ QT_BEGIN_INCLUDE_NAMESPACE
 #else
 #   include <EGL/egl.h>
 #endif
+#if !defined(EGL_VERSION_1_2)
+typedef unsigned int EGLenum;
+typedef void *EGLClientBuffer;
+#endif
 #else
 
 //types from egltypes.h for compiling stub without EGL headers
diff --git a/src/gui/egl/qeglproperties.cpp b/src/gui/egl/qeglproperties.cpp
index 3638de5..eeae06d 100644
--- a/src/gui/egl/qeglproperties.cpp
+++ b/src/gui/egl/qeglproperties.cpp
@@ -241,8 +241,10 @@ void QEglProperties::setRenderableType(QEgl::API api)
 // reductions in complexity are possible.
 bool QEglProperties::reduceConfiguration()
 {
+#ifdef EGL_SWAP_BEHAVIOR
     if (value(EGL_SWAP_BEHAVIOR) != EGL_DONT_CARE)
         removeValue(EGL_SWAP_BEHAVIOR);
+#endif
 
 #ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT
     // For OpenVG, we sometimes try to create a surface using a pre-multiplied format. If we can't
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 539685a..36a24db 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5270,7 +5270,6 @@ void QGraphicsScene::drawItems(QPainter *painter,
     if (!d->unpolishedItems.isEmpty())
         d->_q_polishItems();
 
-    d->updateAll = false;
     QTransform viewTransform = painter->worldTransform();
     Q_UNUSED(options);
 
@@ -5279,6 +5278,7 @@ void QGraphicsScene::drawItems(QPainter *painter,
     QRegion *expose = 0;
     const quint32 oldRectAdjust = d->rectAdjust;
     if (view) {
+        d->updateAll = false;
         expose = &view->d_func()->exposedRegion;
         if (view->d_func()->optimizationFlags & QGraphicsView::DontAdjustForAntialiasing)
             d->rectAdjust = 1;
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index d6fb630..caeeeb9 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -65,6 +65,7 @@
 #include "qcolormap.h"
 #include "qdebug.h"
 #include "private/qgraphicssystemfactory_p.h"
+#include "private/qgraphicssystem_p.h"
 #include "private/qstylesheetstyle_p.h"
 #include "private/qstyle_p.h"
 #include "qmessagebox.h"
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp
index ba2ba32..ac73958 100644
--- a/src/gui/painting/qdrawhelper_sse2.cpp
+++ b/src/gui/painting/qdrawhelper_sse2.cpp
@@ -266,10 +266,10 @@ void qt_memfill32_sse2(quint32 *dest, quint32 value, int count)
 
     int n = (count128 + 3) / 4;
     switch (count128 & 0x3) {
-    case 0: do { _mm_store_si128(dst128++, value128);
-    case 3:      _mm_store_si128(dst128++, value128);
-    case 2:      _mm_store_si128(dst128++, value128);
-    case 1:      _mm_store_si128(dst128++, value128);
+    case 0: do { _mm_stream_si128(dst128++, value128);
+    case 3:      _mm_stream_si128(dst128++, value128);
+    case 2:      _mm_stream_si128(dst128++, value128);
+    case 1:      _mm_stream_si128(dst128++, value128);
     } while (--n > 0);
     }
 
diff --git a/src/gui/painting/qdrawhelper_ssse3.cpp b/src/gui/painting/qdrawhelper_ssse3.cpp
index 4cb4089..fb5602e 100644
--- a/src/gui/painting/qdrawhelper_ssse3.cpp
+++ b/src/gui/painting/qdrawhelper_ssse3.cpp
@@ -79,69 +79,6 @@ inline static void blend_pixel(quint32 &dst, const quint32 src)
     }
 
 
-#define BLEND_SOURCE_OVER_ARGB32_FIRST_ROW_SSSE3(dst, src, length, nullVector, half, one, colorMask, alphaMask) { \
-    int x = 0; \
-\
-    /* First, get dst aligned. */ \
-    const int offsetToAlignOn16Bytes = (4 - ((reinterpret_cast<quintptr>(dst) >> 2) & 0x3)) & 0x3;\
-    const int prologLength = qMin(length, offsetToAlignOn16Bytes);\
-\
-    for (; x < prologLength; ++x) {\
-        blend_pixel(dst[x], src[x]); \
-    } \
-\
-    const int minusOffsetToAlignSrcOn16Bytes = (reinterpret_cast<quintptr>(&(src[x])) >> 2) & 0x3;\
-\
-    if (!minusOffsetToAlignSrcOn16Bytes) {\
-        /* src is aligned, usual algorithm but with aligned operations.\
-           See the SSE2 version for more documentation on the algorithm itself. */\
-        const __m128i alphaShuffleMask = _mm_set_epi8(0xff,15,0xff,15,0xff,11,0xff,11,0xff,7,0xff,7,0xff,3,0xff,3);\
-        for (; x < length-3; x += 4) { \
-            const __m128i srcVector = _mm_load_si128((__m128i *)&src[x]); \
-            const __m128i srcVectorAlpha = _mm_and_si128(srcVector, alphaMask); \
-            if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, alphaMask)) == 0xffff) { \
-                _mm_store_si128((__m128i *)&dst[x], srcVector); \
-            } else if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, nullVector)) != 0xffff) { \
-                __m128i alphaChannel = _mm_shuffle_epi8(srcVector, alphaShuffleMask); \
-                alphaChannel = _mm_sub_epi16(one, alphaChannel); \
-                const __m128i dstVector = _mm_load_si128((__m128i *)&dst[x]); \
-                __m128i destMultipliedByOneMinusAlpha; \
-                BYTE_MUL_SSE2(destMultipliedByOneMinusAlpha, dstVector, alphaChannel, colorMask, half); \
-                const __m128i result = _mm_add_epi8(srcVector, destMultipliedByOneMinusAlpha); \
-                _mm_store_si128((__m128i *)&dst[x], result); \
-            } \
-        } /* end for() */\
-    } else if ((length - x) >= 8) {\
-        /* We are at the first line, so "x - minusOffsetToAlignSrcOn16Bytes" could go before src, and\
-           generate an invalid access. */\
-\
-        /* We use two vectors to extract the src: prevLoaded for the first pixels, lastLoaded for the current pixels. */\
-        __m128i srcVectorPrevLoaded;\
-        if (minusOffsetToAlignSrcOn16Bytes > prologLength) {\
-            /* We go forward 4 pixels to avoid reading before src. */\
-            for (; x < prologLength + 4; ++x)\
-                blend_pixel(dst[x], src[x]); \
-        }\
-        srcVectorPrevLoaded = _mm_load_si128((__m128i *)&src[x - minusOffsetToAlignSrcOn16Bytes]);\
-        const int palignrOffset = minusOffsetToAlignSrcOn16Bytes << 2;\
-\
-        const __m128i alphaShuffleMask = _mm_set_epi8(0xff,15,0xff,15,0xff,11,0xff,11,0xff,7,0xff,7,0xff,3,0xff,3);\
-        switch (palignrOffset) {\
-        case 4:\
-            BLENDING_LOOP(4, length)\
-            break;\
-        case 8:\
-            BLENDING_LOOP(8, length)\
-            break;\
-        case 12:\
-            BLENDING_LOOP(12, length)\
-            break;\
-        }\
-    }\
-    for (; x < length; ++x) \
-        blend_pixel(dst[x], src[x]); \
-}
-
 // Basically blend src over dst with the const alpha defined as constAlphaVector.
 // nullVector, half, one, colorMask are constant accross the whole image/texture, and should be defined as:
 //const __m128i nullVector = _mm_set1_epi32(0);
@@ -153,7 +90,7 @@ inline static void blend_pixel(quint32 &dst, const quint32 src)
 // The computation being done is:
 // result = s + d * (1-alpha)
 // with shortcuts if fully opaque or fully transparent.
-#define BLEND_SOURCE_OVER_ARGB32_MAIN_SSSE3(dst, src, length, nullVector, half, one, colorMask, alphaMask) { \
+#define BLEND_SOURCE_OVER_ARGB32_SSSE3(dst, src, length, nullVector, half, one, colorMask, alphaMask) { \
     int x = 0; \
 \
     /* First, get dst aligned. */ \
@@ -218,14 +155,8 @@ void qt_blend_argb32_on_argb32_ssse3(uchar *destPixels, int dbpl,
         const __m128i one = _mm_set1_epi16(0xff);
         const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);
 
-        // We have to unrol the first row in order to deal with the load on unaligned data
-        // prior to the src pointer.
-        BLEND_SOURCE_OVER_ARGB32_FIRST_ROW_SSSE3(dst, src, w, nullVector, half, one, colorMask, alphaMask);
-        dst = (quint32 *)(((uchar *) dst) + dbpl);
-        src = (const quint32 *)(((const uchar *) src) + sbpl);
-
-        for (int y = 1; y < h; ++y) {
-            BLEND_SOURCE_OVER_ARGB32_MAIN_SSSE3(dst, src, w, nullVector, half, one, colorMask, alphaMask);
+        for (int y = 0; y < h; ++y) {
+            BLEND_SOURCE_OVER_ARGB32_SSSE3(dst, src, w, nullVector, half, one, colorMask, alphaMask);
             dst = (quint32 *)(((uchar *) dst) + dbpl);
             src = (const quint32 *)(((const uchar *) src) + sbpl);
         }
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index 1e8461f..a3f4d8a 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -631,10 +631,10 @@ QImage QFontEngine::alphaMapForGlyph(glyph_t glyph)
     if (glyph_width <= 0 || glyph_height <= 0)
         return QImage();
     QFixedPoint pt;
-    pt.x = 0;
+    pt.x = -glyph_x;
     pt.y = -glyph_y; // the baseline
     QPainterPath path;
-    QImage im(glyph_width + qAbs(glyph_x) + 4, glyph_height, QImage::Format_ARGB32_Premultiplied);
+    QImage im(glyph_width + 4, glyph_height, QImage::Format_ARGB32_Premultiplied);
     im.fill(Qt::transparent);
     QPainter p(&im);
     p.setRenderHint(QPainter::Antialiasing);
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 75e5a60..1b0c5e8 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -196,7 +196,9 @@ public:
 #endif
 
     QTransform transform;   // Currently active transform.
-    bool simpleTransform;   // True if the transform is simple (non-projective).
+    bool affineTransform;   // True if the transform is non-projective.
+    bool simpleTransform;   // True if the transform is simple translate
+                            // or 0, 90, 180, and 270 degree rotation
     qreal penScale;         // Pen scaling factor from "transform".
 
     QTransform pathTransform;  // Calculated VG path transformation.
@@ -372,6 +374,7 @@ void QVGPaintEnginePrivate::init()
     roundRectPath = 0;
 #endif
 
+    affineTransform = true;
     simpleTransform = true;
     pathTransformSet = false;
     penScale = 1.0;
@@ -524,12 +527,59 @@ void QVGPaintEnginePrivate::setTransform
     vgLoadMatrix(mat);
 }
 
+// Determine if a co-ordinate transform is simple enough to allow
+// rectangle-based clipping with vgMask() and rounding translation
+// to integers. Simple transforms most often result from origin translations.
+static inline bool transformIsSimple(const QTransform& transform)
+{
+    QTransform::TransformationType type = transform.type();
+    if (type == QTransform::TxNone || type == QTransform::TxTranslate) {
+        return true;
+    } else if (type == QTransform::TxScale) {
+        // Check for 0 and 180 degree rotations.
+        // (0 might happen after 4 rotations of 90 degrees).
+        qreal m11 = transform.m11();
+        qreal m12 = transform.m12();
+        qreal m21 = transform.m21();
+        qreal m22 = transform.m22();
+        if (m12 == 0.0f && m21 == 0.0f) {
+            if (m11 == 1.0f && m22 == 1.0f)
+                return true; // 0 degrees
+            else if (m11 == -1.0f && m22 == -1.0f)
+                return true; // 180 degrees.
+            if(m11 == 1.0f && m22 == -1.0f)
+                return true; // 0 degrees inverted y.
+            else if(m11 == -1.0f && m22 == 1.0f)
+                return true; // 180 degrees inverted y.
+        }
+    } else if (type == QTransform::TxRotate) {
+        // Check for 90, and 270 degree rotations.
+        qreal m11 = transform.m11();
+        qreal m12 = transform.m12();
+        qreal m21 = transform.m21();
+        qreal m22 = transform.m22();
+        if (m11 == 0.0f && m22 == 0.0f) {
+            if (m12 == 1.0f && m21 == -1.0f)
+                return true; // 90 degrees.
+            else if (m12 == -1.0f && m21 == 1.0f)
+                return true; // 270 degrees.
+            else if (m12 == -1.0f && m21 == -1.0f)
+                return true; // 90 degrees inverted y.
+            else if (m12 == 1.0f && m21 == 1.0f)
+                return true; // 270 degrees inverted y.
+        }
+    }
+    return false;
+}
+
 Q_DECL_IMPORT extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale);
 
 void QVGPaintEnginePrivate::updateTransform(QPaintDevice *pdev)
 {
     VGfloat devh = pdev->height();
 
+    simpleTransform = transformIsSimple(transform);
+
     // Construct the VG transform by combining the Qt transform with
     // the following viewport transformation:
     //        | 1  0  0   |
@@ -552,9 +602,9 @@ void QVGPaintEnginePrivate::updateTransform(QPaintDevice *pdev)
         // so we will have to convert the co-ordinates ourselves.
         // Change the matrix to just the viewport transformation.
         pathTransform = viewport;
-        simpleTransform = false;
+        affineTransform = false;
     } else {
-        simpleTransform = true;
+        affineTransform = true;
     }
     pathTransformSet = false;
 
@@ -583,7 +633,7 @@ VGPath QVGPaintEnginePrivate::vectorPathToVGPath(const QVectorPath& path)
     // Size is sufficient segments for drawRoundedRect() paths.
     QVarLengthArray<VGubyte, 20> segments;
 
-    if (sizeof(qreal) == sizeof(VGfloat) && elements && simpleTransform) {
+    if (sizeof(qreal) == sizeof(VGfloat) && elements && affineTransform) {
         // If Qt was compiled with qreal the same size as VGfloat,
         // then convert the segment types and use the incoming
         // points array directly.
@@ -618,7 +668,7 @@ VGPath QVGPaintEnginePrivate::vectorPathToVGPath(const QVectorPath& path)
     int curvePos = 0;
     QPointF temp;
 
-    if (elements && simpleTransform) {
+    if (elements && affineTransform) {
         // Convert the members of the element array.
         for (int i = 0; i < count; ++i) {
             switch (elements[i]) {
@@ -662,7 +712,7 @@ VGPath QVGPaintEnginePrivate::vectorPathToVGPath(const QVectorPath& path)
             }
             points += 2;
         }
-    } else if (elements && !simpleTransform) {
+    } else if (elements && !affineTransform) {
         // Convert the members of the element array after applying the
         // current transform to the path locally.
         for (int i = 0; i < count; ++i) {
@@ -711,7 +761,7 @@ VGPath QVGPaintEnginePrivate::vectorPathToVGPath(const QVectorPath& path)
             }
             points += 2;
         }
-    } else if (count > 0 && simpleTransform) {
+    } else if (count > 0 && affineTransform) {
         // If there is no element array, then the path is assumed
         // to be a MoveTo followed by several LineTo's.
         coords.append(points[0]);
@@ -724,7 +774,7 @@ VGPath QVGPaintEnginePrivate::vectorPathToVGPath(const QVectorPath& path)
             segments.append(VG_LINE_TO_ABS);
             --count;
         }
-    } else if (count > 0 && !simpleTransform) {
+    } else if (count > 0 && !affineTransform) {
         // Convert a simple path, and apply the transform locally.
         temp = transform.map(QPointF(points[0], points[1]));
         coords.append(temp.x());
@@ -785,7 +835,7 @@ VGPath QVGPaintEnginePrivate::painterPathToVGPath(const QPainterPath& path)
     bool haveStart = false;
     bool haveEnd = false;
 
-    if (simpleTransform) {
+    if (affineTransform) {
         // Convert the members of the element array.
         for (int i = 0; i < count; ++i) {
             switch (elements[i].type) {
@@ -1560,36 +1610,6 @@ void QVGPaintEngine::stroke(const QVectorPath &path, const QPen &pen)
     vgDestroyPath(vgpath);
 }
 
-// Determine if a co-ordinate transform is simple enough to allow
-// rectangle-based clipping with vgMask().  Simple transforms most
-// often result from origin translations.
-static inline bool clipTransformIsSimple(const QTransform& transform)
-{
-    QTransform::TransformationType type = transform.type();
-    if (type == QTransform::TxNone || type == QTransform::TxTranslate)
-        return true;
-    if (type == QTransform::TxRotate) {
-        // Check for 0, 90, 180, and 270 degree rotations.
-        // (0 might happen after 4 rotations of 90 degrees).
-        qreal m11 = transform.m11();
-        qreal m12 = transform.m12();
-        qreal m21 = transform.m21();
-        qreal m22 = transform.m22();
-        if (m11 == 0.0f && m22 == 0.0f) {
-            if (m12 == 1.0f && m21 == -1.0f)
-                return true;    // 90 degrees.
-            else if (m12 == -1.0f && m21 == 1.0f)
-                return true;    // 270 degrees.
-        } else if (m12 == 0.0f && m21 == 0.0f) {
-            if (m11 == -1.0f && m22 == -1.0f)
-                return true;    // 180 degrees.
-            else if (m11 == 1.0f && m22 == 1.0f)
-                return true;    // 0 degrees.
-        }
-    }
-    return false;
-}
-
 #if defined(QVG_SCISSOR_CLIP)
 
 void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
@@ -1607,7 +1627,7 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
 
     // We aren't using masking, so handle simple QRectF's only.
     if (path.shape() == QVectorPath::RectangleHint &&
-            path.elementCount() == 4 && clipTransformIsSimple(d->transform)) {
+            path.elementCount() == 4 && d->simpleTransform) {
         // Clipping region that resulted from QPainter::setClipRect(QRectF).
         // Convert it into a QRect and apply.
         const qreal *points = path.points();
@@ -1757,7 +1777,7 @@ void QVGPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
 
     // We don't have vgRenderToMask(), so handle simple QRectF's only.
     if (path.shape() == QVectorPath::RectangleHint &&
-            path.elementCount() == 4 && clipTransformIsSimple(d->transform)) {
+            path.elementCount() == 4 && d->simpleTransform) {
         // Clipping region that resulted from QPainter::setClipRect(QRectF).
         // Convert it into a QRect and apply.
         const qreal *points = path.points();
@@ -1809,7 +1829,7 @@ void QVGPaintEngine::clip(const QRect &rect, Qt::ClipOperation op)
     d->dirty |= QPaintEngine::DirtyClipRegion;
 
     // If we have a non-simple transform, then use path-based clipping.
-    if (op != Qt::NoClip && !clipTransformIsSimple(d->transform)) {
+    if (op != Qt::NoClip && !d->simpleTransform) {
         QPaintEngineEx::clip(rect, op);
         return;
     }
@@ -1928,7 +1948,7 @@ void QVGPaintEngine::clip(const QRegion &region, Qt::ClipOperation op)
     d->dirty |= QPaintEngine::DirtyClipRegion;
 
     // If we have a non-simple transform, then use path-based clipping.
-    if (op != Qt::NoClip && !clipTransformIsSimple(d->transform)) {
+    if (op != Qt::NoClip && !d->simpleTransform) {
         QPaintEngineEx::clip(region, op);
         return;
     }
@@ -2505,14 +2525,14 @@ void QVGPaintEngine::fillRect(const QRectF &rect, const QBrush &brush)
 
     // Check to see if we can use vgClear() for faster filling.
     if (brush.style() == Qt::SolidPattern && brush.isOpaque() &&
-            clipTransformIsSimple(d->transform) && d->opacity == 1.0f &&
+            d->simpleTransform && d->opacity == 1.0f &&
             clearRect(rect, brush.color())) {
         return;
     }
 
 #if !defined(QVG_NO_MODIFY_PATH)
     VGfloat coords[8];
-    if (d->simpleTransform) {
+    if (d->affineTransform) {
         coords[0] = rect.x();
         coords[1] = rect.y();
         coords[2] = rect.x() + rect.width();
@@ -2547,14 +2567,14 @@ void QVGPaintEngine::fillRect(const QRectF &rect, const QColor &color)
     Q_D(QVGPaintEngine);
 
     // Check to see if we can use vgClear() for faster filling.
-    if (clipTransformIsSimple(d->transform) && d->opacity == 1.0f && color.alpha() == 255 &&
+    if (d->simpleTransform && d->opacity == 1.0f && color.alpha() == 255 &&
             clearRect(rect, color)) {
         return;
     }
 
 #if !defined(QVG_NO_MODIFY_PATH)
     VGfloat coords[8];
-    if (d->simpleTransform) {
+    if (d->affineTransform) {
         coords[0] = rect.x();
         coords[1] = rect.y();
         coords[2] = rect.x() + rect.width();
@@ -2587,7 +2607,7 @@ void QVGPaintEngine::fillRect(const QRectF &rect, const QColor &color)
 void QVGPaintEngine::drawRoundedRect(const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode)
 {
     Q_D(QVGPaintEngine);
-    if (d->simpleTransform) {
+    if (d->affineTransform) {
         QVGPainterState *s = state();
         VGPath vgpath = d->roundedRectPath(rect, xrad, yrad, mode);
         d->draw(vgpath, s->pen, s->brush);
@@ -2606,7 +2626,7 @@ void QVGPaintEngine::drawRects(const QRect *rects, int rectCount)
     QVGPainterState *s = state();
     for (int i = 0; i < rectCount; ++i, ++rects) {
         VGfloat coords[8];
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords[0] = rects->x();
             coords[1] = rects->y();
             coords[2] = rects->x() + rects->width();
@@ -2647,7 +2667,7 @@ void QVGPaintEngine::drawRects(const QRectF *rects, int rectCount)
     QVGPainterState *s = state();
     for (int i = 0; i < rectCount; ++i, ++rects) {
         VGfloat coords[8];
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords[0] = rects->x();
             coords[1] = rects->y();
             coords[2] = rects->x() + rects->width();
@@ -2685,7 +2705,7 @@ void QVGPaintEngine::drawLines(const QLine *lines, int lineCount)
     QVGPainterState *s = state();
     for (int i = 0; i < lineCount; ++i, ++lines) {
         VGfloat coords[4];
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords[0] = lines->x1();
             coords[1] = lines->y1();
             coords[2] = lines->x2();
@@ -2713,7 +2733,7 @@ void QVGPaintEngine::drawLines(const QLineF *lines, int lineCount)
     QVGPainterState *s = state();
     for (int i = 0; i < lineCount; ++i, ++lines) {
         VGfloat coords[4];
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords[0] = lines->x1();
             coords[1] = lines->y1();
             coords[2] = lines->x2();
@@ -2739,7 +2759,7 @@ void QVGPaintEngine::drawEllipse(const QRectF &r)
     // Based on the description of vguEllipse() in the OpenVG specification.
     // We don't use vguEllipse(), to avoid unnecessary library dependencies.
     Q_D(QVGPaintEngine);
-    if (d->simpleTransform) {
+    if (d->affineTransform) {
         QVGPainterState *s = state();
         VGPath path = vgCreatePath(VG_PATH_FORMAT_STANDARD,
                                    VG_PATH_DATATYPE_F,
@@ -2812,7 +2832,7 @@ void QVGPaintEngine::drawPoints(const QPointF *points, int pointCount)
 
     for (int i = 0; i < pointCount; ++i, ++points) {
         VGfloat coords[4];
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords[0] = points->x();
             coords[1] = points->y();
             coords[2] = coords[0];
@@ -2846,7 +2866,7 @@ void QVGPaintEngine::drawPoints(const QPoint *points, int pointCount)
 
     for (int i = 0; i < pointCount; ++i, ++points) {
         VGfloat coords[4];
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords[0] = points->x();
             coords[1] = points->y();
             coords[2] = coords[0];
@@ -2880,7 +2900,7 @@ void QVGPaintEngine::drawPolygon(const QPointF *points, int pointCount, PolygonD
     QVarLengthArray<VGfloat, 16> coords;
     QVarLengthArray<VGubyte, 10> segments;
     for (int i = 0; i < pointCount; ++i, ++points) {
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords.append(points->x());
             coords.append(points->y());
         } else {
@@ -2927,7 +2947,7 @@ void QVGPaintEngine::drawPolygon(const QPoint *points, int pointCount, PolygonDr
     QVarLengthArray<VGfloat, 16> coords;
     QVarLengthArray<VGubyte, 10> segments;
     for (int i = 0; i < pointCount; ++i, ++points) {
-        if (d->simpleTransform) {
+        if (d->affineTransform) {
             coords.append(points->x());
             coords.append(points->y());
         } else {
@@ -2962,7 +2982,7 @@ void QVGPaintEngine::drawPolygon(const QPoint *points, int pointCount, PolygonDr
 
 void QVGPaintEnginePrivate::setImageOptions()
 {
-    if (opacity != 1.0f && simpleTransform) {
+    if (opacity != 1.0f && affineTransform) {
         if (opacity != paintOpacity) {
             VGfloat values[4];
             values[0] = 1.0f;
@@ -3009,7 +3029,10 @@ static void drawVGImage(QVGPaintEnginePrivate *d,
     QTransform transform(d->imageTransform);
     VGfloat scaleX = sr.width() == 0.0f ? 0.0f : r.width() / sr.width();
     VGfloat scaleY = sr.height() == 0.0f ? 0.0f : r.height() / sr.height();
-    transform.translate(r.x(), r.y());
+    if (d->simpleTransform)
+        transform.translate(qRound(r.x()), qRound(r.y()));
+    else
+        transform.translate(r.x(), r.y());
     transform.scale(scaleX, scaleY);
     d->setTransform(VG_MATRIX_IMAGE_USER_TO_SURFACE, transform);
 
@@ -3027,7 +3050,10 @@ static void drawVGImage(QVGPaintEnginePrivate *d,
         return;
 
     QTransform transform(d->imageTransform);
-    transform.translate(pos.x(), pos.y());
+    if(d->simpleTransform)
+        transform.translate(qRound(pos.x()), qRound(pos.y()));
+    else
+        transform.translate(pos.x(), pos.y());
     d->setTransform(VG_MATRIX_IMAGE_USER_TO_SURFACE, transform);
 
     d->setImageOptions();
@@ -3070,7 +3096,7 @@ void QVGPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF
         QVGPixmapData *vgpd = static_cast<QVGPixmapData *>(pd);
         if (!vgpd->isValid())
             return;
-        if (d->simpleTransform)
+        if (d->affineTransform)
             drawVGImage(d, r, vgpd->toVGImage(), vgpd->size(), sr);
         else
             drawVGImage(d, r, vgpd->toVGImage(d->opacity), vgpd->size(), sr);
@@ -3089,7 +3115,7 @@ void QVGPaintEngine::drawPixmap(const QPointF &pos, const QPixmap &pm)
         QVGPixmapData *vgpd = static_cast<QVGPixmapData *>(pd);
         if (!vgpd->isValid())
             return;
-        if (d->simpleTransform)
+        if (d->affineTransform)
             drawVGImage(d, pos, vgpd->toVGImage());
         else
             drawVGImage(d, pos, vgpd->toVGImage(d->opacity));
@@ -3104,7 +3130,7 @@ void QVGPaintEngine::drawImage
 {
     Q_D(QVGPaintEngine);
     VGImage vgImg;
-    if (d->simpleTransform || d->opacity == 1.0f)
+    if (d->affineTransform || d->opacity == 1.0f)
         vgImg = toVGImageSubRect(image, sr.toRect(), flags);
     else
         vgImg = toVGImageWithOpacitySubRect(image, d->opacity, sr.toRect());
@@ -3127,7 +3153,7 @@ void QVGPaintEngine::drawImage(const QPointF &pos, const QImage &image)
 {
     Q_D(QVGPaintEngine);
     VGImage vgImg;
-    if (d->simpleTransform || d->opacity == 1.0f)
+    if (d->affineTransform || d->opacity == 1.0f)
         vgImg = toVGImage(image);
     else
         vgImg = toVGImageWithOpacity(image, d->opacity);
@@ -3160,7 +3186,7 @@ void QVGPaintEngine::drawPixmapFragments(const QPainter::PixmapFragment *drawing
     QPixmapData *pd = pixmap.pixmapData();
     if (!pd)
         return; // null QPixmap
-    if (pd->classId() != QPixmapData::OpenVGClass || !d->simpleTransform) {
+    if (pd->classId() != QPixmapData::OpenVGClass || !d->affineTransform) {
         QPaintEngineEx::drawPixmapFragments(drawingData, dataCount, pixmap, hints);
         return;
     }
@@ -3385,7 +3411,7 @@ void QVGPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem)
 
     // If we are not using a simple transform, then fall back
     // to the default Qt path stroking algorithm.
-    if (!d->simpleTransform) {
+    if (!d->affineTransform) {
         QPaintEngineEx::drawTextItem(p, textItem);
         return;
     }