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78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
#!/usr/bin/env python
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# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com).
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#############################################
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# Drawing area tools
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#############################################
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import gtk
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import gtk.gdk
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class Drawing_Area_Tools:
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height = 0
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width = 0
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margin = 5 # Left and bottom margin
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range_x = []
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range_y = []
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def __init__(self, drwarea):
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drwarea_size = drwarea.get_size_request()
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self.width = drwarea_size[0]
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self.height = drwarea_size[1]
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# print "width %i" % self.width
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# print "height %i" % self.height
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self.range_x = {'from': self.margin+2, 'to': self.width - (self.margin+2)}
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self.range_y = {'from': self.margin+2, 'to': self.height - (self.margin+2)}
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def draw_line(self, context, from_x, from_y, to_x, to_y):
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context.move_to(from_x, from_y)
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context.line_to(to_x, to_y)
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def draw_border_lines(self, context):
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context.set_source_rgb(1, 1, 1)
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self.draw_line(context, self.margin, self.margin, self.margin, self.height - self.margin)
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self.draw_line(context, self.margin, self.height - self.margin - 1, self.width - self.margin, self.height - self.margin - 1)
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context.stroke()
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# Draw a grid
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def draw_grid(self, context, init_x, init_y, end_x, end_y):
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x_range = (end_x - init_x) + 5
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y_range = (end_y - init_y) + 1
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current_y = init_y
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context.set_line_width(0.3)
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for y in range(y_range):
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if (y%20) == 0:
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context.move_to(init_x, y)
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context.line_to(end_x, y)
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for x in range(x_range):
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if (x%20) == 0:
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context.move_to(x, init_y)
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context.line_to(x, end_y)
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context.stroke()
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