Contains the results from a call to Item::grabToImage() . 更多...
导入语句: | import QtQuick 2.2 |
实例化: | QQuickItemGrabResult |
继承: | QtObject |
The ItemGrabResult is a small container used to encapsulate the results from Item::grabToImage() .
另请参阅 Item::grabToImage() .
image : variant |
This property holds the pixel results from a grab in the form of a QImage .
url : url |
This property holds a URL which can be used in conjunction with URL based image consumers, such as the QtQuick::Image type.
The URL is valid while there is a reference in QML or JavaScript to the ItemGrabResult or while the image the URL references is actively used.
The URL does not represent a valid file or location to read it from, it is primarily a key to access images through Qt Quick's image-based types.
bool saveToFile ( fileName ) |
Saves the grab result as an image to
fileName
。返回
true
若成功;否则返回
false
.