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Fix Image size backgounds

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This commit is contained in:
Tim Bentley 2010-10-26 20:07:12 +01:00
parent 8e1a7334d3
commit f67e25c82e
1 changed files with 2 additions and 11 deletions
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13
openlp/core/lib/__init__.py
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@ -81,9 +81,6 @@ html_expands.append({u'desc':u'Italics', u'start tag':u'{it}',
u'start html':u'<em>', u'end tag':u'{/it}', u'end html':u'</em>', u'start html':u'<em>', u'end tag':u'{/it}', u'end html':u'</em>',
u'protected':True}) u'protected':True})
# Image image_cache to stop regualar image resizing
image_cache = {}
def translate(context, text, comment=None): def translate(context, text, comment=None):
""" """
A special shortcut method to wrap around the Qt4 translation functions. A special shortcut method to wrap around the Qt4 translation functions.
@ -261,20 +258,14 @@ def resize_image(image, width, height, background=QtCore.Qt.black):
return preview return preview
preview = preview.scaled(width, height, QtCore.Qt.KeepAspectRatio, preview = preview.scaled(width, height, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation) QtCore.Qt.SmoothTransformation)
image_cache_key = u'%s%s%s' % (image, unicode(width), unicode(height))
if image_cache_key in image_cache:
log.debug(u'resize_image - end cache')
return image_cache[image_cache_key]
realw = preview.width() realw = preview.width()
realh = preview.height() realh = preview.height()
# and move it to the centre of the preview space # and move it to the centre of the preview space
new_image = QtGui.QImage(width, height, new_image = QtGui.QImage(width, height,
QtGui.QImage.Format_ARGB32_Premultiplied) QtGui.QImage.Format_ARGB32_Premultiplied)
new_image.fill(background) painter = QtGui.QPainter(new_image)#
painter = QtGui.QPainter(new_image) painter.fillRect(new_image.rect(), background)
painter.drawImage((width - realw) / 2, (height - realh) / 2, preview) painter.drawImage((width - realw) / 2, (height - realh) / 2, preview)
image_cache[image_cache_key] = new_image
log.debug(u'resize_image - end')
return new_image return new_image
def check_item_selected(list_widget, message): def check_item_selected(list_widget, message):