--- a/plotter/hpgl_qt.py Mon Feb 04 19:49:48 2008 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,144 +0,0 @@
-# -*- coding: utf-8 -*-
-import numpy
-import pylab
-import math
-import new # monkey patching...
-
-from PyQt4 import QtGui, QtCore
-from PyQt4.QtCore import Qt, SIGNAL
-
-from hpgl_parser import HPGLParser
-
-class QHPGLPlotterWidget(HPGLParser, QtGui.QWidget):
- pen_styles = {2: [0.4, 0.6],
- 3: [0.6, 0.4],
- 4: [0.7, 0.1, 0.1, 0.1],
- 5: [0.6, 0.1, 0.2, 0.1],
- 6: [0.45, 0.1, 0.1, 0.2, 0.1, 0.05],
- }
- pen_colors = ["black", "green", "red", "blue", "yellow", "cyan", "magenta",
- "darkred", "darkblue"]
-
- def __init__(self, parent=None):
- QtGui.QWidget.__init__(self, parent)
- l = QtGui.QVBoxLayout(self)
- l.setMargin(1)
- self.qview = QtGui.QGraphicsView(self)
- self.qview.setRenderHints(QtGui.QPainter.Antialiasing)
- self.qview.scale(0.5,-0.5)
- l = self.layout()
- l.addWidget(self.qview)
- self.setBackgroundRole(QtGui.QPalette.Base)
- self.setSizePolicy(QtGui.QSizePolicy.Expanding,
- QtGui.QSizePolicy.Expanding)
- self.clear()
- HPGLParser.__init__(self)
-
- def parse(self, data):
- HPGLParser.parse(self, data)
- self.resize(self.size())
-
- def clear(self):
- self.qpen = QtGui.QPen(QtCore.Qt.blue)
- self.qbrush = QtGui.QBrush(QtCore.Qt.blue)
- self.qfont = QtGui.QFont('Courier')
- self.qantialiased = False
- self.qtransformed = False
- self.qscene = QtGui.QGraphicsScene()
- self.qview.setScene(self.qscene)
-
- def _get_PW(self):
- return self._pen_width
- def _set_PW(self, value):
- value = float(value)
- #print "set pen width", value, value*300.0/75.0
- #self.qpen.setWidthF(value*300.0/75.0)
- self._pen_width = value
- pen_width = property(_get_PW, _set_PW)
-
- def LT(self):
- HPGLParser.LT(self)
- if self.line_type == 0:
- self.qpen.setStyle(Qt.SolidLine)
- elif self.line_type == 1:
- self.qpen.setStyle(Qt.DotLine)
- else:
- pattern = numpy.array(self.pen_styles[self.line_type])
- x0, x1, y0, y1 = self.scale
- dist = math.sqrt((x1-x0)**2 + (y1-y0)**2)
- pattern = self.pattern_len*dist/100.0 * pattern
- if self.qpen.widthF()>0:
- pattern = pattern/self.qpen.widthF()
- self.qpen.setDashPattern(pattern.tolist())
-
- def SP(self):
- HPGLParser.SP(self)
- color = self.pen_colors[self.pen]
- if isinstance(color, tuple):
- color = QtGui.QColor(*color)
- else:
- color = QtGui.QColor(color)
- self.qpen.setColor(color)
-
- def parse(self, data):
- HPGLParser.parse(self, data)
- self.update()
- self.qview.fitInView(self.qscene.sceneRect(), Qt.KeepAspectRatio)
-
- def minimumSizeHint(self):
- return QtCore.QSize(100, 100)
-
- def sizeHint(self):
- return QtCore.QSize(400, 400)
-
- def resizeEvent(self, event):
- self.qview.fitInView(self.qscene.sceneRect(), Qt.KeepAspectRatio)
- QtGui.QWidget.resizeEvent(self, event)
-
- def plot_lines(self, points):
- if len(points) == 1:
- return
- pa = QtGui.QPainterPath()
- pa.addPolygon(QtGui.QPolygonF([QtCore.QPointF(*p) for p in points]))
- self.qscene.addPath(pa, self.qpen)
-
- def plot_symbols(self, points):
- pass
-
- def plot_string(self, s):
- cw, ch = self.get_char_size()
- # this is very ugly and so, but I don't understand haw is
- # computed string positionning in HPGL...
- t0 = self.qscene.addSimpleText(" ", self.qfont)
- br = t0.boundingRect()
- mw = br.width()
- mh = br.height()
- self.qscene.removeItem(t0)
- # don't ask me why theses constants are here, they seem OK, that's all
- t = self.qscene.addSimpleText(s, self.qfont)
- t.scale(1.0 * cw/mw, -1.6 * ch/mh)
- x, y = self.pos
- t.moveBy(x,y)
- br = t.boundingRect()
- t.moveBy(-0.5*cw+8, math.sqrt(2)*ch - 13)
-
-
-if __name__=='__main__':
- import sys
- a = QtGui.QApplication(sys.argv)
- mw = QtGui.QMainWindow()
- w = QtGui.QWidget(mw)
- mw.setCentralWidget(w)
-
- l = QtGui.QVBoxLayout(w)
- p = QHPGLPlotterWidget(w)
- l.addWidget(p, 1)
- b = QtGui.QPushButton("Replot", w)
- l.addWidget(b)
- def plot():
- p.parse(open(sys.argv[1]).read())
- b.connect(b, SIGNAL('pressed()'), plot)
- mw.show()
- plot()
- a.exec_()
- 