from gi.repository import Gtk import matplotlib.pyplot as plt plt.ioff() from matplotlib.figure import Figure from numpy import arange, sin, pi from matplotlib.backends.backend_gtk3agg import FigureCanvasGTK3Agg as FigureCanvas #from matplotlib.backends.backend_gtk3 import NavigationToolbar2GTK3 as NavigationToolbar #from matplotlib.backends.backend_gtk3cairo import FigureCanvasGTK3Cairo as FigureCanvas #from matplotlib.backends.backend_cairo import FigureCanvasCairo as FigureCanvas #import cairo from camlib import * class App: def __init__(self): ######################################## ## GUI ## ######################################## self.gladefile = "cirkuix.ui" self.builder = Gtk.Builder() self.builder.add_from_file(self.gladefile) self.window = self.builder.get_object("window1") self.positionLabel = self.builder.get_object("label3") self.grid = self.builder.get_object("grid1") ## Event handling ## self.builder.connect_signals(self) ## Make plot area ## self.figure = None self.axes = None self.canvas = None self.mplpaint() ######################################## ## DATA ## ######################################## self.gerbers = [] self.excellons = [] self.cncjobs = [] self.mouse = None ######################################## ## START ## ######################################## self.window.show_all() Gtk.main() def mplpaint(self): self.figure = Figure(dpi=50) #self.axes = self.figure.add_subplot(111) self.axes = self.figure.add_axes([0.05,0.05,0.9,0.9]) self.axes.set_aspect(1) #t = arange(0.0,5.0,0.01) #s = sin(2*pi*t) #self.axes.plot(t,s) self.axes.grid() #a.patch.set_visible(False) Background of the axes self.figure.patch.set_visible(False) self.canvas = FigureCanvas(self.figure) # a Gtk.DrawingArea self.canvas.set_hexpand(1) self.canvas.set_vexpand(1) ######################################## ## EVENTS ## ######################################## self.canvas.mpl_connect('button_press_event', self.on_click_over_plot) self.canvas.mpl_connect('motion_notify_event', self.on_mouse_move_over_plot) self.canvas.set_can_focus(True) # For key press self.canvas.mpl_connect('key_press_event', self.on_key_over_plot) self.canvas.mpl_connect('scroll_event', self.on_scroll_over_plot) #self.builder.get_object("viewport2").add(self.canvas) self.grid.attach(self.canvas,0,0,600,400) #self.builder.get_object("scrolledwindow1").add(self.canvas) def zoom(self, factor, center=None): xmin, xmax = self.axes.get_xlim() ymin, ymax = self.axes.get_ylim() width = xmax-xmin height = ymax-ymin if center == None: center = [(xmin+xmax)/2.0, (ymin+ymax)/2.0] # For keeping the point at the pointer location relx = (xmax-center[0])/width rely = (ymax-center[1])/height new_width = width/factor new_height = height/factor self.axes.set_xlim((center[0]-new_width*(1-relx), center[0]+new_width*relx)) self.axes.set_ylim((center[1]-new_height*(1-rely), center[1]+new_height*rely)) self.canvas.queue_draw() def plot_gerber(self, gerber): gerber.create_geometry() # Options mergepolys = self.builder.get_object("cb_mergepolys").get_active() multicolored = self.builder.get_object("cb_multicolored").get_active() geometry = None if mergepolys: geometry = gerber.solid_geometry else: geometry = gerber.buffered_paths + \ [poly['polygon'] for poly in gerber.regions] + \ gerber.flash_geometry linespec = None if multicolored: linespec = '-' else: linespec = 'k-' for poly in geometry: x, y = poly.exterior.xy #a.plot(x, y) self.axes.plot(x, y, linespec) for ints in poly.interiors: x, y = ints.coords.xy self.axes.plot(x, y, linespec) def plot_excellon(self, excellon): excellon.create_geometry() # Plot excellon for geo in excellon.solid_geometry: x, y = geo.exterior.coords.xy self.axes.plot(x, y, 'r-') for ints in geo.interiors: x, y = ints.coords.xy self.axes.plot(x, y, 'g-') def plot_cncjob(self, job): job.create_gcode_geometry() tooldia_text = self.builder.get_object("entry_tooldia").get_text() tooldia_val = eval(tooldia_text) job.plot2(self.axes, tooldia=tooldia_val) return def file_chooser_action(self, on_success): dialog = Gtk.FileChooserDialog("Please choose a file", self.window, Gtk.FileChooserAction.OPEN, (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_OPEN, Gtk.ResponseType.OK)) response = dialog.run() if response == Gtk.ResponseType.OK: on_success(self, dialog.get_filename()) elif response == Gtk.ResponseType.CANCEL: print("Cancel clicked") dialog.destroy() ######################################## ## EVENT HANDLERS ## ######################################## def on_filequit(self, param): print "quit from menu" self.window.destroy() Gtk.main_quit() def on_closewindow(self, param): print "quit from X" self.window.destroy() Gtk.main_quit() def on_fileopengerber(self, param): def on_success(self, filename): gerber = Gerber() gerber.parse_file(filename) self.gerbers.append(gerber) self.plot_gerber(gerber) self.file_chooser_action(on_success) def on_fileopenexcellon(self, param): def on_success(self, filename): excellon = Excellon() excellon.parse_file(filename) self.excellons.append(excellon) self.plot_excellon(excellon) self.file_chooser_action(on_success) def on_fileopengcode(self, param): def on_success(self, filename): f = open(filename) gcode = f.read() f.close() job = CNCjob() job.gcode = gcode self.cncjobs.append(job) self.plot_cncjob(job) self.file_chooser_action(on_success) def on_mouse_move_over_plot(self, event): try: # May fail in case mouse not within axes self.positionLabel.set_label("X: %.4f Y: %.4f"%( event.xdata, event.ydata)) self.mouse = [event.xdata, event.ydata] except: self.positionLabel.set_label("") self.mouse = None def on_click_over_plot(self, event): # For key presses self.canvas.grab_focus() print 'button=%d, x=%d, y=%d, xdata=%f, ydata=%f'%( event.button, event.x, event.y, event.xdata, event.ydata) def on_zoom_in(self, event): self.zoom(1.5) return def on_zoom_out(self, event): self.zoom(1/1.5) def on_zoom_fit(self, event): xmin, ymin, xmax, ymax = get_bounds([self.gerbers, self.excellons]) width = xmax-xmin height = ymax-ymin self.axes.set_xlim((xmin-0.05*width, xmax+0.05*width)) self.axes.set_ylim((ymin-0.05*height, ymax+0.05*height)) self.canvas.queue_draw() return def on_scroll_over_plot(self, event): print "Scroll" center = [event.xdata, event.ydata] if sign(event.step): self.zoom(1.5, center=center) else: self.zoom(1/1.5, center=center) def on_window_scroll(self, event): print "Scroll" def on_key_over_plot(self, event): print 'you pressed', event.key, event.xdata, event.ydata if event.key == '1': # 1 self.on_zoom_fit(None) return if event.key == '2': # 2 self.zoom(1/1.5, self.mouse) return if event.key == '3': # 3 self.zoom(1.5, self.mouse) return app = App()