是应用了他的render函数,render的作用是:Renders the source rect from scene into target, using painter. This function is useful for capturing the contents of the scene onto a paint device, such as a QImage (e.g., to take a screenshot), or for printing with QPrinter. For If source is a null rect, this function will Read More
posted @ 2013-03-28 19:54
javawebsoa
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