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Diffstat (limited to 'src/quick/items/context2d/qquickcontext2d.cpp')
-rw-r--r--src/quick/items/context2d/qquickcontext2d.cpp192
1 files changed, 164 insertions, 28 deletions
diff --git a/src/quick/items/context2d/qquickcontext2d.cpp b/src/quick/items/context2d/qquickcontext2d.cpp
index 2c115f4d3c..32336b5baf 100644
--- a/src/quick/items/context2d/qquickcontext2d.cpp
+++ b/src/quick/items/context2d/qquickcontext2d.cpp
@@ -563,6 +563,8 @@ struct QQuickJSContext2D : public QV4::Object
static QV4::ReturnedValue method_set_lineWidth(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
static QV4::ReturnedValue method_get_miterLimit(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
static QV4::ReturnedValue method_set_miterLimit(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
+ static QV4::ReturnedValue method_set_lineDashOffset(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
+ static QV4::ReturnedValue method_get_lineDashOffset(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
static QV4::ReturnedValue method_get_shadowBlur(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
static QV4::ReturnedValue method_set_shadowBlur(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
@@ -596,7 +598,7 @@ public:
static QV4::Heap::QQuickJSContext2DPrototype *create(QV4::ExecutionEngine *engine)
{
QV4::Scope scope(engine);
- QV4::Scoped<QQuickJSContext2DPrototype> o(scope, engine->memoryManager->allocObject<QQuickJSContext2DPrototype>());
+ QV4::Scoped<QQuickJSContext2DPrototype> o(scope, engine->memoryManager->allocate<QQuickJSContext2DPrototype>());
o->defineDefaultProperty(QStringLiteral("quadraticCurveTo"), method_quadraticCurveTo, 0);
o->defineDefaultProperty(QStringLiteral("restore"), method_restore, 0);
@@ -641,6 +643,8 @@ public:
o->defineDefaultProperty(QStringLiteral("createLinearGradient"), method_createLinearGradient, 0);
o->defineDefaultProperty(QStringLiteral("strokeRect"), method_strokeRect, 0);
o->defineDefaultProperty(QStringLiteral("closePath"), method_closePath, 0);
+ o->defineDefaultProperty(QStringLiteral("setLineDash"), method_setLineDash, 0);
+ o->defineDefaultProperty(QStringLiteral("getLineDash"), method_getLineDash, 0);
o->defineAccessorProperty(QStringLiteral("canvas"), QQuickJSContext2DPrototype::method_get_canvas, nullptr);
return o->d();
@@ -690,6 +694,8 @@ public:
static QV4::ReturnedValue method_createImageData(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
static QV4::ReturnedValue method_getImageData(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
static QV4::ReturnedValue method_putImageData(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
+ static QV4::ReturnedValue method_setLineDash(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
+ static QV4::ReturnedValue method_getLineDash(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
};
@@ -908,8 +914,8 @@ struct QQuickJSContext2DPixelData : public QV4::Object
V4_OBJECT2(QQuickJSContext2DPixelData, QV4::Object)
V4_NEEDS_DESTROY
- static QV4::ReturnedValue getIndexed(const QV4::Managed *m, uint index, bool *hasProperty);
- static bool putIndexed(QV4::Managed *m, uint index, const QV4::Value &value);
+ static QV4::ReturnedValue virtualGet(const QV4::Managed *m, QV4::PropertyKey id, const QV4::Value *receiver, bool *hasProperty);
+ static bool virtualPut(QV4::Managed *m, QV4::PropertyKey id, const QV4::Value &value, Value *receiver);
static QV4::ReturnedValue proto_get_length(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc);
};
@@ -938,7 +944,7 @@ struct QQuickJSContext2DImageData : public QV4::Object
void QV4::Heap::QQuickJSContext2DImageData::init()
{
Object::init();
- pixelData = QV4::Primitive::undefinedValue();
+ pixelData = QV4::Value::undefinedValue();
QV4::Scope scope(internalClass->engine);
QV4::ScopedObject o(scope, this);
@@ -954,19 +960,19 @@ static QV4::ReturnedValue qt_create_image_data(qreal w, qreal h, QV4::ExecutionE
{
QV4::Scope scope(v4);
QQuickContext2DEngineData *ed = engineData(scope.engine);
- QV4::Scoped<QQuickJSContext2DPixelData> pixelData(scope, scope.engine->memoryManager->allocObject<QQuickJSContext2DPixelData>());
+ QV4::Scoped<QQuickJSContext2DPixelData> pixelData(scope, scope.engine->memoryManager->allocate<QQuickJSContext2DPixelData>());
QV4::ScopedObject p(scope, ed->pixelArrayProto.value());
- pixelData->setPrototype(p);
+ pixelData->setPrototypeOf(p);
if (image.isNull()) {
*pixelData->d()->image = QImage(w, h, QImage::Format_ARGB32);
pixelData->d()->image->fill(0x00000000);
} else {
- Q_ASSERT(image.width()== qRound(w * image.devicePixelRatio()) && image.height() == qRound(h * image.devicePixelRatio()));
+ Q_ASSERT(image.width()== qRound(w * image.devicePixelRatioF()) && image.height() == qRound(h * image.devicePixelRatioF()));
*pixelData->d()->image = image.format() == QImage::Format_ARGB32 ? image : image.convertToFormat(QImage::Format_ARGB32);
}
- QV4::Scoped<QQuickJSContext2DImageData> imageData(scope, scope.engine->memoryManager->allocObject<QQuickJSContext2DImageData>());
+ QV4::Scoped<QQuickJSContext2DImageData> imageData(scope, scope.engine->memoryManager->allocate<QQuickJSContext2DImageData>());
imageData->d()->pixelData = pixelData.asReturnedValue();
return imageData.asReturnedValue();
}
@@ -1406,7 +1412,7 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_fillStyle(const QV4::FunctionOb
QV4::Scoped<QQuickJSContext2D> r(scope, thisObject->as<QQuickJSContext2D>());
CHECK_CONTEXT_SETTER(r)
- QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Primitive::undefinedValue());
+ QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Value::undefinedValue());
if (value->as<Object>()) {
QColor color = scope.engine->toVariant(value, qMetaTypeId<QColor>()).value<QColor>();
@@ -1461,7 +1467,7 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_fillRule(const QV4::FunctionObj
QV4::Scoped<QQuickJSContext2D> r(scope, thisObject->as<QQuickJSContext2D>());
CHECK_CONTEXT_SETTER(r)
- QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Primitive::undefinedValue());
+ QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Value::undefinedValue());
if ((value->isString() && value->toQString() == QLatin1String("WindingFill"))
|| (value->isInt32() && value->integerValue() == Qt::WindingFill)) {
@@ -1515,7 +1521,7 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_strokeStyle(const QV4::Function
QV4::Scoped<QQuickJSContext2D> r(scope, thisObject->as<QQuickJSContext2D>());
CHECK_CONTEXT_SETTER(r)
- QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Primitive::undefinedValue());
+ QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Value::undefinedValue());
if (value->as<Object>()) {
QColor color = scope.engine->toVariant(value, qMetaTypeId<QColor>()).value<QColor>();
@@ -1582,9 +1588,9 @@ QV4::ReturnedValue QQuickJSContext2DPrototype::method_createLinearGradient(const
}
QQuickContext2DEngineData *ed = engineData(scope.engine);
- QV4::Scoped<QQuickContext2DStyle> gradient(scope, scope.engine->memoryManager->allocObject<QQuickContext2DStyle>());
+ QV4::Scoped<QQuickContext2DStyle> gradient(scope, scope.engine->memoryManager->allocate<QQuickContext2DStyle>());
QV4::ScopedObject p(scope, ed->gradientProto.value());
- gradient->setPrototype(p);
+ gradient->setPrototypeOf(p);
*gradient->d()->brush = QLinearGradient(x0, y0, x1, y1);
RETURN_RESULT(*gradient);
}
@@ -1634,9 +1640,9 @@ QV4::ReturnedValue QQuickJSContext2DPrototype::method_createRadialGradient(const
QQuickContext2DEngineData *ed = engineData(scope.engine);
- QV4::Scoped<QQuickContext2DStyle> gradient(scope, scope.engine->memoryManager->allocObject<QQuickContext2DStyle>());
+ QV4::Scoped<QQuickContext2DStyle> gradient(scope, scope.engine->memoryManager->allocate<QQuickContext2DStyle>());
QV4::ScopedObject p(scope, ed->gradientProto.value());
- gradient->setPrototype(p);
+ gradient->setPrototypeOf(p);
*gradient->d()->brush = QRadialGradient(QPointF(x1, y1), r1, QPointF(x0, y0), r0);
RETURN_RESULT(*gradient);
}
@@ -1678,9 +1684,9 @@ QV4::ReturnedValue QQuickJSContext2DPrototype::method_createConicalGradient(cons
QQuickContext2DEngineData *ed = engineData(scope.engine);
- QV4::Scoped<QQuickContext2DStyle> gradient(scope, scope.engine->memoryManager->allocObject<QQuickContext2DStyle>());
+ QV4::Scoped<QQuickContext2DStyle> gradient(scope, scope.engine->memoryManager->allocate<QQuickContext2DStyle>());
QV4::ScopedObject p(scope, ed->gradientProto.value());
- gradient->setPrototype(p);
+ gradient->setPrototypeOf(p);
*gradient->d()->brush = QConicalGradient(x, y, angle);
RETURN_RESULT(*gradient);
}
@@ -1738,7 +1744,7 @@ QV4::ReturnedValue QQuickJSContext2DPrototype::method_createPattern(const QV4::F
CHECK_CONTEXT(r)
if (argc >= 2) {
- QV4::Scoped<QQuickContext2DStyle> pattern(scope, scope.engine->memoryManager->allocObject<QQuickContext2DStyle>());
+ QV4::Scoped<QQuickContext2DStyle> pattern(scope, scope.engine->memoryManager->allocate<QQuickContext2DStyle>());
QColor color = scope.engine->toVariant(argv[0], qMetaTypeId<QColor>()).value<QColor>();
if (color.isValid()) {
@@ -1963,6 +1969,122 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_miterLimit(const QV4::FunctionO
RETURN_UNDEFINED();
}
+/*!
+ \qmlmethod array QtQuick::Context2D::getLineDash()
+ \since QtQuick 2.11
+ Returns an array of qreals representing the dash pattern of the line.
+
+ \sa setLineDash()
+ */
+QV4::ReturnedValue QQuickJSContext2DPrototype::method_getLineDash(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *, int)
+{
+ QV4::Scope scope(b);
+ QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
+ CHECK_CONTEXT(r)
+
+ const QVector<qreal> pattern = r->d()->context->state.lineDash;
+ QV4::ScopedArrayObject array(scope, scope.engine->newArrayObject(pattern.size()));
+ array->arrayReserve(pattern.size());
+ for (int i = 0; i < pattern.size(); i++)
+ array->put(i, QV4::Value::fromDouble(pattern[i]));
+
+ array->setArrayLengthUnchecked(pattern.size());
+
+ RETURN_RESULT(*array);
+}
+
+/*!
+ \qmlmethod QtQuick::Context2D::setLineDash(array pattern)
+ \since QtQuick 2.11
+ Sets the dash pattern to the given pattern
+
+ \a pattern a list of numbers that specifies distances to alternately draw a line and a gap.
+
+ If the number of elements in the array is odd, the elements of the array get copied
+ and concatenated. For example, [5, 15, 25] will become [5, 15, 25, 5, 15, 25].
+
+ \table 100%
+ \row
+ \li \inlineimage qml-item-canvas-lineDash.png
+ \li
+ \code
+ var space = 4
+ ctx.setLineDash([1, space, 3, space, 9, space, 27, space, 9, space])
+ ...
+ ctx.stroke();
+ \endcode
+ \endtable
+
+ \sa setLineDash
+ */
+QV4::ReturnedValue QQuickJSContext2DPrototype::method_setLineDash(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc)
+{
+ QV4::Scope scope(b);
+ QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
+ CHECK_CONTEXT_SETTER(r)
+
+ if (!argc)
+ RETURN_UNDEFINED();
+
+ QV4::ScopedArrayObject array(scope, argv[0]);
+ if (!array)
+ RETURN_UNDEFINED();
+
+ QV4::ScopedValue v(scope);
+ const uint arrayLength = array->getLength();
+ QVector<qreal> dashes;
+ dashes.reserve(arrayLength);
+ for (uint i = 0; i < arrayLength; ++i) {
+ v = array->get(i);
+ const double number = v->toNumber();
+
+ if (!qt_is_finite(number) || (number < 0))
+ RETURN_UNDEFINED();
+
+ dashes.append(v->toNumber());
+ }
+ if (dashes.size() % 2 != 0) {
+ dashes += dashes;
+ }
+
+ r->d()->context->state.lineDash = dashes;
+ r->d()->context->buffer()->setLineDash(dashes);
+
+ RETURN_UNDEFINED();
+}
+
+/*!
+ \qmlproperty real QtQuick::Context2D::lineDashOffset
+ \since QtQuick 2.11
+
+ Holds the current line dash offset
+ The default line dash ofset value is 0
+ */
+QV4::ReturnedValue QQuickJSContext2D::method_get_lineDashOffset(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *, int)
+{
+ QV4::Scope scope(b);
+ QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
+ CHECK_CONTEXT(r)
+
+ RETURN_RESULT(QV4::Encode(r->d()->context->state.lineDashOffset));
+}
+
+QV4::ReturnedValue QQuickJSContext2D::method_set_lineDashOffset(const QV4::FunctionObject *b, const QV4::Value *thisObject, const QV4::Value *argv, int argc)
+{
+ QV4::Scope scope(b);
+ QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
+ CHECK_CONTEXT_SETTER(r)
+
+ const qreal offset = argc ? argv[0].toNumber() : -1;
+
+ if (qt_is_finite(offset) && offset != r->d()->context->state.lineDashOffset) {
+ r->d()->context->state.lineDashOffset = offset;
+ r->d()->context->buffer()->setLineDashOffset(offset);
+ }
+ RETURN_UNDEFINED();
+}
+
+
// shadows
/*!
\qmlproperty real QtQuick::Context2D::shadowBlur
@@ -2096,7 +2218,7 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_path(const QV4::FunctionObject
QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
CHECK_CONTEXT_SETTER(r)
- QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Primitive::undefinedValue());
+ QV4::ScopedValue value(scope, argc ? argv[0] : QV4::Value::undefinedValue());
r->d()->context->beginPath();
QV4::Scoped<QV4::QObjectWrapper> qobjectWrapper(scope, value);
if (!!qobjectWrapper) {
@@ -2593,7 +2715,7 @@ QV4::ReturnedValue QQuickJSContext2DPrototype::method_isPointInPath(const QV4::F
bool pointInPath = false;
if (argc >= 2)
pointInPath = r->d()->context->isPointInPath(argv[0].toNumber(), argv[1].toNumber());
- RETURN_RESULT(QV4::Primitive::fromBoolean(pointInPath).asReturnedValue());
+ RETURN_RESULT(QV4::Value::fromBoolean(pointInPath).asReturnedValue());
}
QV4::ReturnedValue QQuickJSContext2DPrototype::method_drawFocusRing(const QV4::FunctionObject *b, const QV4::Value *, const QV4::Value *, int)
@@ -2652,7 +2774,7 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_font(const QV4::FunctionObject
QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
CHECK_CONTEXT_SETTER(r)
- QV4::ScopedString s(scope, argc ? argv[0] : QV4::Primitive::undefinedValue(), QV4::ScopedString::Convert);
+ QV4::ScopedString s(scope, argc ? argv[0] : QV4::Value::undefinedValue(), QV4::ScopedString::Convert);
if (scope.engine->hasException)
RETURN_UNDEFINED();
QFont font = qt_font_from_string(s->toQString(), r->d()->context->state.font);
@@ -2704,7 +2826,7 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_textAlign(const QV4::FunctionOb
QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
CHECK_CONTEXT_SETTER(r)
- QV4::ScopedString s(scope, argc ? argv[0] : QV4::Primitive::undefinedValue(), QV4::ScopedString::Convert);
+ QV4::ScopedString s(scope, argc ? argv[0] : QV4::Value::undefinedValue(), QV4::ScopedString::Convert);
if (scope.engine->hasException)
RETURN_UNDEFINED();
QString textAlign = s->toQString();
@@ -2771,7 +2893,7 @@ QV4::ReturnedValue QQuickJSContext2D::method_set_textBaseline(const QV4::Functio
QV4::Scope scope(b);
QV4::Scoped<QQuickJSContext2D> r(scope, *thisObject);
CHECK_CONTEXT_SETTER(r)
- QV4::ScopedString s(scope, argc ? argv[0] : QV4::Primitive::undefinedValue(), QV4::ScopedString::Convert);
+ QV4::ScopedString s(scope, argc ? argv[0] : QV4::Value::undefinedValue(), QV4::ScopedString::Convert);
if (scope.engine->hasException)
RETURN_UNDEFINED();
QString textBaseline = s->toQString();
@@ -2858,7 +2980,7 @@ QV4::ReturnedValue QQuickJSContext2DPrototype::method_measureText(const QV4::Fun
uint width = fm.width(argv[0].toQStringNoThrow());
QV4::ScopedObject tm(scope, scope.engine->newObject());
tm->put(QV4::ScopedString(scope, scope.engine->newIdentifier(QStringLiteral("width"))).getPointer(),
- QV4::ScopedValue(scope, QV4::Primitive::fromDouble(width)));
+ QV4::ScopedValue(scope, QV4::Value::fromDouble(width)));
RETURN_RESULT(*tm);
}
RETURN_UNDEFINED();
@@ -3130,8 +3252,12 @@ QV4::ReturnedValue QQuickJSContext2DPixelData::proto_get_length(const QV4::Funct
RETURN_RESULT(QV4::Encode(r->d()->image->width() * r->d()->image->height() * 4));
}
-QV4::ReturnedValue QQuickJSContext2DPixelData::getIndexed(const QV4::Managed *m, uint index, bool *hasProperty)
+QV4::ReturnedValue QQuickJSContext2DPixelData::virtualGet(const QV4::Managed *m, QV4::PropertyKey id, const QV4::Value *receiver, bool *hasProperty)
{
+ if (!id.isArrayIndex())
+ return QV4::Object::virtualGet(m, id, receiver, hasProperty);
+
+ uint index = id.asArrayIndex();
Q_ASSERT(m->as<QQuickJSContext2DPixelData>());
QV4::ExecutionEngine *v4 = static_cast<const QQuickJSContext2DPixelData *>(m)->engine();
QV4::Scope scope(v4);
@@ -3156,19 +3282,24 @@ QV4::ReturnedValue QQuickJSContext2DPixelData::getIndexed(const QV4::Managed *m,
return QV4::Encode(qAlpha(*pixel));
}
}
+
if (hasProperty)
*hasProperty = false;
return QV4::Encode::undefined();
}
-bool QQuickJSContext2DPixelData::putIndexed(QV4::Managed *m, uint index, const QV4::Value &value)
+bool QQuickJSContext2DPixelData::virtualPut(QV4::Managed *m, QV4::PropertyKey id, const QV4::Value &value, QV4::Value *receiver)
{
+ if (!id.isArrayIndex())
+ return Object::virtualPut(m, id, value, receiver);
+
Q_ASSERT(m->as<QQuickJSContext2DPixelData>());
QV4::ExecutionEngine *v4 = static_cast<QQuickJSContext2DPixelData *>(m)->engine();
QV4::Scope scope(v4);
if (scope.hasException())
return false;
+ uint index = id.asArrayIndex();
QV4::Scoped<QQuickJSContext2DPixelData> r(scope, static_cast<QQuickJSContext2DPixelData *>(m));
const int v = value.toInt32();
@@ -4303,6 +4434,7 @@ QQuickContext2DEngineData::QQuickContext2DEngineData(QV4::ExecutionEngine *v4)
proto->defineAccessorProperty(QStringLiteral("lineWidth"), QQuickJSContext2D::method_get_lineWidth, QQuickJSContext2D::method_set_lineWidth);
proto->defineAccessorProperty(QStringLiteral("textAlign"), QQuickJSContext2D::method_get_textAlign, QQuickJSContext2D::method_set_textAlign);
proto->defineAccessorProperty(QStringLiteral("shadowBlur"), QQuickJSContext2D::method_get_shadowBlur, QQuickJSContext2D::method_set_shadowBlur);
+ proto->defineAccessorProperty(QStringLiteral("lineDashOffset"), QQuickJSContext2D::method_get_lineDashOffset, QQuickJSContext2D::method_set_lineDashOffset);
contextPrototype = proto;
proto = scope.engine->newObject();
@@ -4366,6 +4498,10 @@ void QQuickContext2D::popState()
if (newState.shadowOffsetY != state.shadowOffsetY)
buffer()->setShadowOffsetY(newState.shadowOffsetY);
+
+ if (newState.lineDash != state.lineDash)
+ buffer()->setLineDash(newState.lineDash);
+
m_path = state.matrix.map(m_path);
state = newState;
m_path = state.matrix.inverted().map(m_path);
@@ -4399,9 +4535,9 @@ void QQuickContext2D::setV4Engine(QV4::ExecutionEngine *engine)
QQuickContext2DEngineData *ed = engineData(engine);
QV4::Scope scope(engine);
- QV4::Scoped<QQuickJSContext2D> wrapper(scope, engine->memoryManager->allocObject<QQuickJSContext2D>());
+ QV4::Scoped<QQuickJSContext2D> wrapper(scope, engine->memoryManager->allocate<QQuickJSContext2D>());
QV4::ScopedObject p(scope, ed->contextPrototype.value());
- wrapper->setPrototype(p);
+ wrapper->setPrototypeOf(p);
wrapper->d()->context = this;
m_v4value = wrapper;
}