82 lines
2.8 KiB
Python
Executable File
82 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import absolute_import
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from __future__ import print_function
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import sys
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import xml.etree.ElementTree as ET
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import shapes as shapes_pkg
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from shapes import point_generator
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from config import *
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def generate_gcode():
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svg_shapes = set(['rect', 'circle', 'ellipse', 'line', 'polyline', 'polygon', 'path'])
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tree = ET.parse(sys.stdin)
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root = tree.getroot()
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width = root.get('width')
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height = root.get('height')
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if width == None or height == None:
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viewbox = root.get('viewBox')
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if viewbox:
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_, _, width, height = viewbox.split()
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if width == None or height == None:
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print("Unable to get width and height for the svg")
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sys.exit(1)
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width = float(width.split("mm")[0])
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height = float(height.split("mm")[0])
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print(";SVG: With:" + str(width) + " Height:" + str(height))
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# Must keep the ratio of the svg, so offset will be largest between x/y
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offset = max(x_offset, y_offset)
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corrected_bed_max_x = bed_max_x - offset
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corrected_bed_max_y = bed_max_y - offset
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scale_x = 1 #corrected_bed_max_x / max(width, height)
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scale_y = 1 #corrected_bed_max_y / max(width, height)
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print(preamble)
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# Iterator to lower printhead at first point
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num_points = 0
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for elem in root.iter():
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try:
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_, tag_suffix = elem.tag.split('}')
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except ValueError:
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continue
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if tag_suffix in svg_shapes:
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shape_class = getattr(shapes_pkg, tag_suffix)
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shape_obj = shape_class(elem)
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d = shape_obj.d_path()
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m = shape_obj.transformation_matrix()
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if d:
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print(shape_preamble)
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p = point_generator(d, m, smoothness)
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for x,y in p:
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print(";X: " + str(x) + " Y: " + str(y))
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if x > 0 and x < bed_max_x and y > 0 and y < bed_max_y:
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print("G1 X%0.01f Y%0.01f" % ((scale_x*x)+x_offset, (scale_y*y)+y_offset))
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num_points += 1
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if num_points == 1:
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print("M3 I S150 ;start laser")
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else:
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print("\n; Coordinates out of range:", "G1 X%0.01f Y%0.01f" % ((scale_x*x)+x_offset, (scale_y*y)+y_offset))
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print("; Raw:", str(x), str(y), "\nScaled:", str(scale_x*x), str(scale_y*y), "\nScale Factors:", scale_x, scale_y, "\n")
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print("exit")
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sys.exit(-1)
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print("M5 ;stop laser")
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num_points = 0
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print(shape_postamble)
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print(postamble)
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print("; Generated", num_points, "points")
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if __name__ == "__main__":
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print("; " + str(sys.setrecursionlimit(20000)))
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generate_gcode()
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