Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebBrowser/WebBrowserSnap.py	Sat Feb 27 13:10:03 2016 +0100
@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 - 2016 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing functions to generate page previews.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import Qt
+from PyQt5.QtGui import QPixmap, QPainter
+
+
+def renderTabPreview(view, w, h):
+    """
+    Public function to render a pixmap of a page.
+    
+    @param view reference to the view to be previewed (QWebEngineView)
+    @param w width of the preview pixmap (integer)
+    @param h height of the preview pixmap (integer)
+    @return preview pixmap (QPixmap)
+    """
+    pageImage = __render(view, view.width(), view.height())
+    return pageImage.scaled(
+        w, h, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
+
+
+def __render(view, w, h):
+    """
+    Private function to render a pixmap of given size for a web page.
+    
+    @param view reference to the view to be previewed (QWebEngineView)
+    @param w width of the pixmap (integer)
+    @param h height of the pixmap (integer)
+    @return rendered pixmap (QPixmap)
+    """
+    # create the page image
+    pageImage = QPixmap(w, h)
+    pageImage.fill(Qt.transparent)
+    
+    # render it
+    p = QPainter(pageImage)
+    view.render(p)
+    p.end()
+    
+    return pageImage