我想將頁面內容保存到圖像,當它被完全加載,但有時我得到的輸出柵格不完全呈現。PyQt等到頁面加載
代碼:
import sys
import signal
import os
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtWebKit import QWebPage
app = QApplication(sys.argv)
signal.signal(signal.SIGINT, signal.SIG_DFL)
webpage = QWebPage()
def onLoadFinished(result):
if not result:
print "Request failed"
sys.exit(1)
webpage.setViewportSize(webpage.mainFrame().contentsSize())
image = QImage(webpage.viewportSize(), QImage.Format_ARGB32)
painter = QPainter(image)
webpage.mainFrame().render(painter)
painter.end()
if os.path.exists("output.png"):
os.remove("output.png")
image.save("output.png")
sys.exit(0) # quit this application
webpage.mainFrame().load(QUrl("file:///page.html"))
webpage.connect(webpage, SIGNAL("loadFinished(bool)"), onLoadFinished)
sys.exit(app.exec_())
頁被使用JavaScript(的onload函數)來獲取谷歌地圖(640x640px)。
圖片:http://i56.tinypic.com/15ojg3s.png
相關:如何知道一個網頁使用QtWebKit的時候裝的?](http://stackoverflow.com/questions/1302874/) – 2011-02-12 21:45:31