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| -rw-r--r-- | src/pyqt-example.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/pyqt-example.py b/src/pyqt-example.py new file mode 100644 index 0000000..ffecf87 --- /dev/null +++ b/src/pyqt-example.py @@ -0,0 +1,68 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# ****************************************************************************** +# +# Copyright (C) 2007 Olivier Tilloy <olivier@tilloy.net> +# +# This program is part of the pyexiv2 distribution. +# +# pyexiv2 is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# pyexiv2 is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with pyexiv2; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA. +# +# +# File: pyqt-example.py +# Author(s): Olivier Tilloy <olivier@tilloy.net> +# History: 07-Jan-06, Olivier Tilloy: created +# +# ****************************************************************************** + +import sys +import qt +import pyexiv2 + +if __name__ == '__main__': + """ + Example of how to combine pyqt and pyexiv2 to display thumbnail data. + + Minimalistic example of how to load and display with pyqt the thumbnail data + extracted from an image using the method Image.getThumbnailData(). + The path to the image file from which the thumbnail data should be extracted + should be passed as the only argument of the script. + + It is of course assumed that you have pyqt installed. + """ + if (len(sys.argv) != 2): + print 'Usage: ' + sys.argv[0] + ' path/to/picture/file/containing/jpeg/thumbnail' + sys.exit(1) + else: + app = qt.QApplication([]) + + # Load the image, read the metadata and extract the thumbnail data + image = pyexiv2.Image(sys.argv[1]) + image.readMetadata() + ttype, tdata = image.getThumbnailData() + + # Create a QT pixmap from the thumbnail data + pixmap = qt.QPixmap() + pixmap.loadFromData(tdata, 'JPEG') + + # Create a QT label to display the pixmap + label = qt.QLabel(None) + label.setPixmap(pixmap) + + # Show the application's main window + app.setMainWidget(label) + label.show() + app.exec_loop() |