static EncodedJSValue JSC_HOST_CALL constructImage(ExecState* exec)
{
JSImageConstructor* jsConstructor = jsCast<JSImageConstructor*>(exec->callee());
Document* document = jsConstructor->document();
if (!document)
return throwVMError(exec, createReferenceError(exec, "Image constructor associated document is unavailable"));
// Calling toJS on the document causes the JS document wrapper to be
// added to the window object. This is done to ensure that JSDocument::visit
// will be called, which will cause the image element to be marked if necessary.
toJS(exec, jsConstructor->globalObject(), document);
int width;
int height;
int* optionalWidth = 0;
int* optionalHeight = 0;
if (exec->argumentCount() > 0) {
width = exec->argument(0).toInt32(exec);
optionalWidth = &width;
}
if (exec->argumentCount() > 1) {
height = exec->argument(1).toInt32(exec);
optionalHeight = &height;
}
return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(),
HTMLImageElement::createForJSConstructor(*document, optionalWidth, optionalHeight))));
}
static JSObject* constructImage(ExecState* exec, JSObject* constructor, const ArgList& args)
{
JSImageConstructor* jsConstructor = static_cast<JSImageConstructor*>(constructor);
Document* document = jsConstructor->document();
if (!document)
return throwError(exec, ReferenceError, "Image constructor associated document is unavailable");
// Calling toJS on the document causes the JS document wrapper to be
// added to the window object. This is done to ensure that JSDocument::markChildren
// will be called, which will cause the image element to be marked if necessary.
toJS(exec, jsConstructor->globalObject(), document);
int width;
int height;
int* optionalWidth = 0;
int* optionalHeight = 0;
if (args.size() > 0) {
width = args.at(0).toInt32(exec);
optionalWidth = &width;
}
if (args.size() > 1) {
height = args.at(1).toInt32(exec);
optionalHeight = &height;
}
return asObject(toJS(exec, jsConstructor->globalObject(),
HTMLImageElement::createForJSConstructor(document, optionalWidth, optionalHeight)));
}
