--- a/eric6/Helpviewer/HelpSnap.py Sat Sep 07 14:45:27 2019 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,54 +0,0 @@ -# -*- coding: utf-8 -*- - -# Copyright (c) 2010 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> -# - -""" -Module implementing functions to generate page previews. -""" - -from __future__ import unicode_literals - -from PyQt5.QtCore import QSize, Qt -from PyQt5.QtGui import QPixmap, QPainter -from PyQt5.QtWebKitWidgets import QWebFrame - - -def renderTabPreview(page, w, h): - """ - Public function to render a pixmap of a page. - - @param page reference to the page to be previewed (QWebPage) - @param w width of the preview pixmap (integer) - @param h height of the preview pixmap (integer) - @return preview pixmap (QPixmap) - """ - oldSize = page.viewportSize() - width = page.mainFrame().contentsSize().width() - page.setViewportSize(QSize(width, int(width * h / w))) - pageImage = __render(page, page.viewportSize().width(), - page.viewportSize().height()) - page.setViewportSize(oldSize) - return pageImage.scaled( - w, h, Qt.IgnoreAspectRatio, Qt.SmoothTransformation) - - -def __render(page, w, h): - """ - Private function to render a pixmap of given size for a web page. - - @param page reference to the page to be rendered (QWebPage) - @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) - page.mainFrame().render(p, QWebFrame.ContentsLayer) - p.end() - - return pageImage