doc/src/diagrams/programs/qpen-dashpattern.py
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/diagrams/programs/qpen-dashpattern.py	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,110 @@
+#!/usr/bin/env python
+#############################################################################
+##
+## Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+## All rights reserved.
+## Contact: Nokia Corporation (qt-info@nokia.com)
+##
+## This file is part of the test suite of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## No Commercial Usage
+## This file contains pre-release code and may not be distributed.
+## You may use this file in accordance with the terms and conditions
+## contained in the Technology Preview License Agreement accompanying
+## this package.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 2.1 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL included in the
+## packaging of this file.  Please review the following information to
+## ensure the GNU Lesser General Public License version 2.1 requirements
+## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+##
+## In addition, as a special exception, Nokia gives you certain additional
+## rights.  These rights are described in the Nokia Qt LGPL Exception
+## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+##
+## If you have questions regarding the use of this file, please contact
+## Nokia at qt-info@nokia.com.
+##
+##
+##
+##
+##
+##
+##
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import sys
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from PyQt4.QtSvg import QSvgGenerator
+
+if __name__ == "__main__":
+
+    app = QApplication(sys.argv)
+    
+    #device = QSvgGenerator()
+    #device.setFileName("qpen-dashpattern.svg")
+    #device.setSize(QSize(216, 144))
+    #device.setResolution(72)
+    
+    device = QImage(192, 144, QImage.Format_ARGB32)
+    device.fill(qRgba(0, 0, 0, 0))
+    
+    #resolution = device.resolution() # dpi
+    #dpp = resolution / 72.0
+    
+    p = QPainter()
+    p.begin(device)
+    
+    width = 8
+    
+    pen = QPen()
+    pen.setWidth(width)
+    pen.setDashPattern([4, 2])
+    pen.setCapStyle(Qt.FlatCap)
+    
+    faded_pen = QPen()
+    faded_pen.setWidth(width)
+    faded_pen.setDashPattern([4, 2])
+    faded_pen.setColor(QColor(160, 160, 160))
+    faded_pen.setCapStyle(Qt.FlatCap)
+    
+    font = QFont("Monospace")
+    font.setPointSize(12)
+    p.setFont(font)
+    p.setBrush(QColor(160, 0, 0))
+    
+    for x in range(-6, 9):
+    
+        if x % 4 == 0:
+            length = 6
+        else:
+            length = 2
+        
+        p.drawLine(64 + x * width, 4, 64 + x * width, 4 + length)
+        p.drawLine(64 + x * width, 136, 64 + x * width, 136 - length)
+    
+    offsets = (0, 2, 3.5, 4, 5, 6)
+    for i in range(len(offsets)):
+    
+        offset = offsets[i]
+        pen.setDashOffset(offset)
+        
+        p.setPen(faded_pen)
+        p.drawLine(64 - offset * width, 20 + (i * 20), 64, 20 + (i * 20))
+        
+        p.setPen(pen)
+        p.drawLine(64, 20 + (i * 20), 128, 20 + (i * 20))
+        
+        p.drawText(150, 25 + (i * 20), str(offset))
+    
+    p.end()
+    device.save("qpen-dashpattern.png")
+    sys.exit()