Mercurial Repositories > eric / file comparison
comparison: eric7/WebBrowser/WebBrowserSnap.py
eric7/WebBrowser/WebBrowserSnap.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8143
- 2c730d5fd177
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing functions to generate page previews. | |
| 8 """ | |
| 9 | |
| 10 from PyQt5.QtCore import Qt | |
| 11 from PyQt5.QtGui import QPixmap, QPainter | |
| 12 | |
| 13 | |
| 14 def renderTabPreview(view, w, h): | |
| 15 """ | |
| 16 Public function to render a pixmap of a page. | |
| 17 | |
| 18 @param view reference to the view to be previewed (QWebEngineView) | |
| 19 @param w width of the preview pixmap (integer) | |
| 20 @param h height of the preview pixmap (integer) | |
| 21 @return preview pixmap (QPixmap) | |
| 22 """ | |
| 23 pageImage = __render(view, view.width(), view.height()) | |
| 24 return pageImage.scaled( | |
| 25 w, h, | |
| 26 Qt.AspectRatioMode.IgnoreAspectRatio, | |
| 27 Qt.TransformationMode.SmoothTransformation | |
| 28 ) | |
| 29 | |
| 30 | |
| 31 def __render(view, w, h): | |
| 32 """ | |
| 33 Private function to render a pixmap of given size for a web page. | |
| 34 | |
| 35 @param view reference to the view to be previewed (QWebEngineView) | |
| 36 @param w width of the pixmap (integer) | |
| 37 @param h height of the pixmap (integer) | |
| 38 @return rendered pixmap (QPixmap) | |
| 39 """ | |
| 40 # create the page image | |
| 41 pageImage = QPixmap(w, h) | |
| 42 pageImage.fill(Qt.GlobalColor.transparent) | |
| 43 | |
| 44 # render it | |
| 45 p = QPainter(pageImage) | |
| 46 view.render(p) | |
| 47 p.end() | |
| 48 | |
| 49 return pageImage |
