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Diffstat (limited to 'python/pyqt/examples3/drawlines.py')
-rwxr-xr-x | python/pyqt/examples3/drawlines.py | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/python/pyqt/examples3/drawlines.py b/python/pyqt/examples3/drawlines.py deleted file mode 100755 index 3e21db71..00000000 --- a/python/pyqt/examples3/drawlines.py +++ /dev/null @@ -1,74 +0,0 @@ -#!/usr/bin/env python - -import sys, random -from qt import * - -TRUE = 1 -FALSE = 0 - -MAXPOINTS = 2000; # maximum number of points -MAXCOLORS = 40; - -# -# ConnectWidget - draws connected lines -# - -class ConnectWidget(QWidget): - def __init__(self): - QWidget.__init__(self) - self.setEraseColor( Qt.white ) # white background - self.count = 0; - self.down = FALSE - - self.points = [] - self.colors = [] - - for i in range(MAXPOINTS): # init arrays - self.points.append(QPoint()) - for i in range(MAXCOLORS): - self.colors.append(QColor( random.randint(0,255), random.randint(0,255), random.randint(0,255) )) - -# -# Handles paint events for the connect widget. -# - def paintEvent(self, pe): - paint = QPainter( self ) - for i in range(self.count-1): # connect all points - for j in range(i+1, self.count): - paint.setPen( self.colors[random.randint(0,MAXCOLORS-1)] ) # set random pen color - paint.drawLine( self.points[i], self.points[j] ) # draw line - -# -# Handles mouse press events for the connect widget. -# - def mousePressEvent(self, me): - self.down = TRUE - self.count = 0 # start recording points - self.erase() # erase widget contents - -# -# Handles mouse release events for the connect widget. -# - def mouseReleaseEvent(self, me ): - self.down = FALSE # done recording points - self.update() # draw the lines - -# -# Handles mouse move events for the connect widget. -# - def mouseMoveEvent(self, me): - if self.down and self.count < MAXPOINTS: - paint = QPainter( self ) - self.points[self.count] = QPoint(me.pos()) # add point - paint.drawPoint( me.pos() ) # plot point - self.count = self.count+1 - -# -# Create and display a ConnectWidget. -# -a = QApplication( sys.argv ) -connect = ConnectWidget() -connect.setCaption( "PyQt Example - Draw lines") -a.setMainWidget( connect ) -connect.show() -a.exec_loop() |