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+#!/usr/bin/env python |
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+# |
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+# Copyright 2015 Jose Fonseca |
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+# |
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+# This program is free software: you can redistribute it and/or modify it |
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+# under the terms of the GNU Lesser General Public License as published |
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+# by the Free Software Foundation, either version 3 of the License, or |
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+# (at your option) any later version. |
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+# |
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+# This program is distributed in the hope that it will be useful, |
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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+# GNU Lesser General Public License for more details. |
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+# |
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+# You should have received a copy of the GNU Lesser General Public License |
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+# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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+# |
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+ |
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+ |
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+import sys |
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+import os.path |
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+import traceback |
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+ |
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+from gi.repository import Gtk |
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+from gi.repository import Gdk |
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+from gi.repository import GdkPixbuf |
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+ |
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+from xdot import DotWidget, DotWindow |
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+ |
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+ |
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+class TestDotWidget(DotWidget): |
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+ |
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+ def __init__(self, name): |
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+ DotWidget.__init__(self) |
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+ self.name = name |
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+ |
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+ def on_draw(self, widget, cr): |
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+ DotWidget.on_draw(self, widget, cr) |
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+ |
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+ if True: |
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+ # Cairo screenshot |
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+ |
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+ import cairo |
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+ |
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+ dpi = 96.0 |
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+ zoom_ratio = dpi/72.0 |
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+ w = int(self.graph.width*zoom_ratio) |
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+ h = int(self.graph.height*zoom_ratio) |
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+ |
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+ surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h) |
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+ |
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+ cr = cairo.Context(surface) |
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+ |
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+ cr.set_source_rgba(1.0, 1.0, 1.0, 1.0) |
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+ cr.paint() |
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+ |
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+ cr.scale(zoom_ratio, zoom_ratio) |
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+ |
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+ self.graph.draw(cr, highlight_items=self.highlight) |
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+ |
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+ surface.write_to_png(self.name + '.png') |
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+ |
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+ if False: |
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+ # GTK 3 screenshot |
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+ |
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+ window = self.get_window() |
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+ |
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+ w = window.get_width() |
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+ h = window.get_height() |
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+ |
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+ pixbuf = Gdk.pixbuf_get_from_window(window, 0, 0, w, h) |
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+ |
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+ pixbuf.savev(self.name + '.png', 'png', (), ()) |
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+ |
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+ Gtk.main_quit() |
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+ |
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+ |
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+def main(): |
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+ for arg in sys.argv[1:]: |
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+ sys.stdout.write(arg + '\n') |
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+ sys.stdout.flush() |
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+ name, ext = os.path.splitext(os.path.basename(arg)) |
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+ dotcode = open(arg).read() |
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+ widget = TestDotWidget(name) |
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+ window = DotWindow(widget) |
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+ window.connect('delete-event', Gtk.main_quit)
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+ try: |
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+ window.set_dotcode(dotcode) |
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+ except: |
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+ exc_info = sys.exc_info() |
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+ traceback.print_exception(*exc_info) |
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+ window.show() |
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+ Gtk.main() |
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+ window.destroy() |
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+ |
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+ |
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+if __name__ == '__main__': |
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+ main() |
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