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-rw-r--r--src/gui/painting/qblendfunctions.cpp24
-rw-r--r--src/gui/painting/qpaintbuffer_p.h2
-rw-r--r--src/gui/painting/qpaintdevice.qdoc18
-rw-r--r--src/gui/painting/qpathclipper.cpp2
-rw-r--r--src/gui/painting/qregion.cpp21
5 files changed, 40 insertions, 27 deletions
diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp
index 8737f10..ba1b642 100644
--- a/src/gui/painting/qblendfunctions.cpp
+++ b/src/gui/painting/qblendfunctions.cpp
@@ -223,21 +223,25 @@ void qt_scale_image_16bit(uchar *destPixels, int dbpl,
int h = ty2 - ty1;
int w = tx2 - tx1;
+
quint32 basex;
quint32 srcy;
+ const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
+ const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
+
if (sx < 0) {
- int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1;
+ int dstx = qFloor((tx1 + qreal(0.5) - targetRect.right()) * ix) + 1;
basex = quint32(srcRect.right() * 65536) + dstx;
} else {
- int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1;
+ int dstx = qCeil((tx1 + qreal(0.5) - targetRect.left()) * ix) - 1;
basex = quint32(srcRect.left() * 65536) + dstx;
}
if (sy < 0) {
- int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1;
+ int dsty = qFloor((ty1 + qreal(0.5) - targetRect.bottom()) * iy) + 1;
srcy = quint32(srcRect.bottom() * 65536) + dsty;
} else {
- int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1;
+ int dsty = qCeil((ty1 + qreal(0.5) - targetRect.top()) * iy) - 1;
srcy = quint32(srcRect.top() * 65536) + dsty;
}
@@ -738,18 +742,22 @@ template <typename T> void qt_scale_image_32bit(uchar *destPixels, int dbpl,
quint32 basex;
quint32 srcy;
+ const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
+ const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
+
+
if (sx < 0) {
- int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1;
+ int dstx = qFloor((tx1 + qreal(0.5) - targetRect.right()) * ix) + 1;
basex = quint32(srcRect.right() * 65536) + dstx;
} else {
- int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1;
+ int dstx = qCeil((tx1 + qreal(0.5) - targetRect.left()) * ix) - 1;
basex = quint32(srcRect.left() * 65536) + dstx;
}
if (sy < 0) {
- int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1;
+ int dsty = qFloor((ty1 + qreal(0.5) - targetRect.bottom()) * iy) + 1;
srcy = quint32(srcRect.bottom() * 65536) + dsty;
} else {
- int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1;
+ int dsty = qCeil((ty1 + qreal(0.5) - targetRect.top()) * iy) - 1;
srcy = quint32(srcRect.top() * 65536) + dsty;
}
diff --git a/src/gui/painting/qpaintbuffer_p.h b/src/gui/painting/qpaintbuffer_p.h
index adf0564..e100512 100644
--- a/src/gui/painting/qpaintbuffer_p.h
+++ b/src/gui/painting/qpaintbuffer_p.h
@@ -66,7 +66,7 @@ class QPaintBufferPlayback;
class Q_GUI_EXPORT QPaintBuffer : public QPaintDevice
{
- Q_DECLARE_PRIVATE(QPaintBuffer);
+ Q_DECLARE_PRIVATE(QPaintBuffer)
public:
QPaintBuffer();
QPaintBuffer(const QPaintBuffer &other);
diff --git a/src/gui/painting/qpaintdevice.qdoc b/src/gui/painting/qpaintdevice.qdoc
index 6c0b04c..ac1c3de 100644
--- a/src/gui/painting/qpaintdevice.qdoc
+++ b/src/gui/painting/qpaintdevice.qdoc
@@ -83,7 +83,7 @@
inch. The physicalDpiX() and physicalDpiY() functions also return
the resolution of the device in dots per inch, but note that if
the logical and vertical resolution differ, the corresponding
- QPaintEngine must handle the mapping. Finally, the numColors()
+ QPaintEngine must handle the mapping. Finally, the colorCount()
function returns the number of different colors available for the
paint device.
@@ -111,7 +111,7 @@
also heightMM().
\value PdmNumColors The number of different colors available for
- the paint device. See also numColors().
+ the paint device. See also colorCount().
\value PdmDepth The bit depth (number of bit planes) of the paint
device. See also depth().
@@ -226,18 +226,18 @@
Use colorCount() instead.
Returns the number of different colors available for the paint
- device. Since this value is an int, it will not be sufficient to represent
- the number of colors on 32 bit displays, in this case INT_MAX is
- returned instead.
-*/
+ device. Since this value is an int, it will not be sufficient to
+ represent the number of colors on 32 bit displays, in this case
+ INT_MAX is returned instead.
+ */
/*!
\fn int QPaintDevice::colorCount() const
Returns the number of different colors available for the paint
- device. Since this value is an int, it will not be sufficient to represent
- the number of colors on 32 bit displays, in this case INT_MAX is
- returned instead.
+ device. Since this value is an int, it will not be sufficient to
+ represent the number of colors on 32 bit displays, in this case
+ INT_MAX is returned instead.
*/
/*!
diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index ab2dc33..51d6195 100644
--- a/src/gui/painting/qpathclipper.cpp
+++ b/src/gui/painting/qpathclipper.cpp
@@ -1650,7 +1650,7 @@ static void clear(QWingedEdge& list, int edge, QPathEdge::Traversal traversal)
template <typename InputIterator>
InputIterator qFuzzyFind(InputIterator first, InputIterator last, qreal val)
{
- while (first != last && !qFuzzyCompare(qreal(*first), qreal(val)))
+ while (first != last && !QT_PREPEND_NAMESPACE(qFuzzyCompare)(qreal(*first), qreal(val)))
++first;
return first;
}
diff --git a/src/gui/painting/qregion.cpp b/src/gui/painting/qregion.cpp
index 9d1d965..63dec2b 100644
--- a/src/gui/painting/qregion.cpp
+++ b/src/gui/painting/qregion.cpp
@@ -3867,23 +3867,28 @@ QRegion::QRegion(const QRect &r, RegionType t)
QRegion::QRegion(const QPolygon &a, Qt::FillRule fillRule)
{
if (a.count() > 2) {
- d = new QRegionData;
- d->ref = 1;
+ QRegionPrivate *qt_rgn = PolygonRegion(a.constData(), a.size(),
+ fillRule == Qt::WindingFill ? WindingRule : EvenOddRule);
+ if (qt_rgn) {
+ d = new QRegionData;
+ d->ref = 1;
#if defined(Q_WS_X11)
- d->rgn = 0;
- d->xrectangles = 0;
+ d->rgn = 0;
+ d->xrectangles = 0;
#elif defined(Q_WS_WIN)
- d->rgn = 0;
+ d->rgn = 0;
#endif
- d->qt_rgn = PolygonRegion(a.constData(), a.size(),
- fillRule == Qt::WindingFill ? WindingRule : EvenOddRule);
+ d->qt_rgn = qt_rgn;
+ } else {
+ d = &shared_empty;
+ d->ref.ref();
+ }
} else {
d = &shared_empty;
d->ref.ref();
}
}
-
QRegion::QRegion(const QRegion &r)
{
d = r.d;