diff options
4 files changed, 55 insertions, 8 deletions
diff --git a/src/3rdparty/libpng/pngrutil.c b/src/3rdparty/libpng/pngrutil.c index 07e46e2..daf3c5e 100644 --- a/src/3rdparty/libpng/pngrutil.c +++ b/src/3rdparty/libpng/pngrutil.c @@ -1037,12 +1037,14 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) */ png_uint_32 w = y_red + y_green + y_blue; - png_ptr->rgb_to_gray_red_coeff = (png_uint_16)(((png_uint_32)y_red * - 32768)/w); - png_ptr->rgb_to_gray_green_coeff = (png_uint_16)(((png_uint_32)y_green - * 32768)/w); - png_ptr->rgb_to_gray_blue_coeff = (png_uint_16)(((png_uint_32)y_blue * - 32768)/w); + if (w != 0) { + png_ptr->rgb_to_gray_red_coeff = (png_uint_16)(((png_uint_32)y_red * + 32768)/w); + png_ptr->rgb_to_gray_green_coeff = (png_uint_16)(((png_uint_32)y_green + * 32768)/w); + png_ptr->rgb_to_gray_blue_coeff = (png_uint_16)(((png_uint_32)y_blue * + 32768)/w); + } } } #endif diff --git a/src/declarative/util/qdeclarativepropertychanges.cpp b/src/declarative/util/qdeclarativepropertychanges.cpp index 5cdf785..f86274f 100644 --- a/src/declarative/util/qdeclarativepropertychanges.cpp +++ b/src/declarative/util/qdeclarativepropertychanges.cpp @@ -171,7 +171,8 @@ public: reverseExpression = rewindExpression; } - /*virtual void copyOriginals(QDeclarativeActionEvent *other) + virtual bool needsCopy() { return true; } + virtual void copyOriginals(QDeclarativeActionEvent *other) { QDeclarativeReplaceSignalHandler *rsh = static_cast<QDeclarativeReplaceSignalHandler*>(other); saveCurrentValues(); @@ -182,7 +183,7 @@ public: ownedExpression = rsh->ownedExpression; rsh->ownedExpression = 0; } - }*/ + } virtual void rewind() { ownedExpression = QDeclarativePropertyPrivate::setSignalExpression(property, rewindExpression); diff --git a/tests/auto/declarative/qdeclarativestates/data/signalOverrideCrash3.qml b/tests/auto/declarative/qdeclarativestates/data/signalOverrideCrash3.qml new file mode 100644 index 0000000..ed1f22f --- /dev/null +++ b/tests/auto/declarative/qdeclarativestates/data/signalOverrideCrash3.qml @@ -0,0 +1,27 @@ +import QtQuick 1.0 + +Rectangle { + id: myRect + width: 400 + height: 400 + + onHeightChanged: console.log("base state") + + states: [ + State { + name: "state1" + PropertyChanges { + target: myRect + onHeightChanged: console.log("state1") + color: "green" + } + }, + State { + name: "state2"; + PropertyChanges { + target: myRect + onHeightChanged: console.log("state2") + color: "red" + } + }] +} diff --git a/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp b/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp index 9fafa7d..e90e6fb 100644 --- a/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp +++ b/tests/auto/declarative/qdeclarativestates/tst_qdeclarativestates.cpp @@ -113,6 +113,7 @@ private slots: void signalOverride(); void signalOverrideCrash(); void signalOverrideCrash2(); + void signalOverrideCrash3(); void parentChange(); void parentChangeErrors(); void anchorChanges(); @@ -520,6 +521,22 @@ void tst_qdeclarativestates::signalOverrideCrash2() delete rect; } +void tst_qdeclarativestates::signalOverrideCrash3() +{ + QDeclarativeEngine engine; + + QDeclarativeComponent rectComponent(&engine, SRCDIR "/data/signalOverrideCrash3.qml"); + QDeclarativeRectangle *rect = qobject_cast<QDeclarativeRectangle*>(rectComponent.create()); + QVERIFY(rect != 0); + + QDeclarativeItemPrivate::get(rect)->setState("state1"); + QDeclarativeItemPrivate::get(rect)->setState(""); + QDeclarativeItemPrivate::get(rect)->setState("state2"); + QDeclarativeItemPrivate::get(rect)->setState(""); + + delete rect; +} + void tst_qdeclarativestates::parentChange() { QDeclarativeEngine engine; |