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Viewing changes to src/frontend/PicvizGui/lines.py

  • Committer: Bazaar Package Importer
  • Author(s): Pierre Chifflier
  • Date: 2009-03-30 10:42:08 UTC
  • Revision ID: james.westby@ubuntu.com-20090330104208-j095obwkp574t1lm
Tags: upstream-0.5
Import upstream version 0.5

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src/frontend/PicvizGui/lines.py
 
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from PyQt4 import QtCore, QtGui
 
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import defaults
 
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class Line:
 
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        def __init__(self, scene, image):
 
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                self.scene = scene
 
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                self.image = image
 
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        def QTColorGet(self, color):
 
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                if (color == "#000000"):
 
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                        return QtCore.Qt.black
 
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                if (color == "#FF0000"):
 
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                        return QtCore.Qt.red
 
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                if (color == "#0000FF"):
 
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                        return QtCore.Qt.blue
 
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                if (color == "#FF9900"):
 
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                        return QtCore.Qt.yellow
 
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                return QtCore.Qt.black
 
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        def addLines(self, show_max, axislimits=None):
 
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                pen = QtGui.QPen()
 
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                #print str(axislimits)
 
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                linecounter = 0
 
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                for line in self.image['lines']:
 
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                        if linecounter == show_max:
 
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                                return
 
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                        linecounter = linecounter + 1
 
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                        plotnb = 0 # Where we are in the axis
 
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                        for plot in line:
 
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                                if not line[plotnb]['hidden']:
 
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                                        if plotnb != self.image['axes_number'] - 1:
 
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                                                qtcolor = self.QTColorGet(line[plotnb]['color'])
 
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                                                pen.setColor(qtcolor)
 
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                                                pen.setWidthF(line[plotnb]['penwidth'])
 
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                                                ptr = self.scene.addLine(plotnb * defaults.axiswidth, self.image['height'] - line[plotnb]['y'], (plotnb + 1) * defaults.axiswidth, self.image['height'] - line[plotnb+1]['y'], pen)
 
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                                                ptr.setToolTip("%s -> %s" % (line[plotnb]['strval'], line[plotnb+1]['strval']))
 
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                                                ptr.setCursor(QtCore.Qt.OpenHandCursor)
 
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                                plotnb = plotnb + 1
 
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        def showLines(self, show_max):
 
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                itemnb = 0
 
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                counter = 0
 
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                for item in self.scene.items():
 
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                        if ((itemnb - 1)/self.image['axes_number']  == show_max):
 
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                                return
 
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                        itemnb = itemnb + 1
 
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                        item.show()
 
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        def update_lines_view(self, value):
 
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                for item in self.scene.items():
 
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                        item.hide()
 
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                self.showLines(value)
 
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        def maxLinesGet(self):
 
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                linecounter = 0
 
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                for line in self.image['lines']:
 
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                        linecounter = linecounter + 1
 
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                return linecounter
 
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