1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
import sys
import os
import numpy
import wx
from wx.lib.floatcanvas.FloatCanvas import FloatCanvas
import inkex
class EmbroiderySimulator(wx.Frame):
def __init__(self, *args, **kwargs):
stitch_file = kwargs.pop('stitch_file')
self.frame_period = kwargs.pop('frame_period', 80)
self.stitches_per_frame = kwargs.pop('stitches_per_frame', 1)
wx.Frame.__init__(self, *args, **kwargs)
self.panel = wx.Panel(self, wx.ID_ANY)
self.panel.SetFocus()
self.stitches = self._parse_stitches(stitch_file)
self.width, self.height = self.get_dimensions()
self.buffer = wx.EmptyBitmap(self.width, self.height)
self.dc = wx.MemoryDC()
self.dc.SelectObject(self.buffer)
self.canvas = wx.GraphicsContext.Create(self.dc)
self.clear()
self.Bind(wx.EVT_SIZE, self.on_size)
self.panel.Bind(wx.EVT_PAINT, self.on_paint)
self.panel.Bind(wx.EVT_KEY_DOWN, self.on_key_down)
self.last_pos = None
def on_key_down(self, event):
keycode = event.GetKeyCode()
if keycode == ord("+") or keycode == ord("=") or keycode == wx.WXK_UP:
if self.frame_period == 1:
self.stitches_per_frame *= 2
else:
self.frame_period = self.frame_period / 2
elif keycode == ord("-") or keycode == ord("_") or keycode == wx.WXK_DOWN:
if self.stitches_per_frame == 1:
self.frame_period *= 2
else:
self.stitches_per_frame /= 2
elif keycode == ord("Q"):
self.Close()
elif keycode == ord('P'):
if self.timer.IsRunning():
self.timer.Stop()
else:
self.timer.Start(self.frame_period)
self.frame_period = max(1, self.frame_period)
self.stitches_per_frame = max(self.stitches_per_frame, 1)
if self.timer.IsRunning():
self.timer.Stop()
self.timer.Start(self.frame_period)
def _strip_quotes(self, string):
if string.startswith('"') and string.endswith('"'):
string = string[1:-1]
return string
def _parse_stitches(self, stitch_file_path):
# "$","1","229","229","229","(null)","(null)"
# "*","JUMP","1.595898","48.731899"
# "*","STITCH","1.595898","48.731899"
stitches = []
pos = (0, 0)
color = wx.Brush('black')
cut = True
with open(stitch_file_path) as stitch_file:
for line in stitch_file:
fields = line.strip().split(",")
fields = [self._strip_quotes(field) for field in fields]
symbol, command = fields[:2]
if symbol == "$":
red, green, blue = fields[2:5]
color = wx.Pen((int(red), int(green), int(blue)))
elif symbol == "*":
if command == "COLOR":
# change color
# The next command should be a JUMP, and we'll need to skip stitching.
cut = True
elif command == "JUMP" or command == "STITCH":
# JUMP just means a long stitch, really.
x, y = fields[2:]
new_pos = (int(float(x) * 10), int(float(y) * 10))
if not cut:
stitches.append(((pos, new_pos), color))
cut = False
pos = new_pos
return stitches
def get_dimensions(self):
width = 0
height = 0
for stitch in self.stitches:
(start_x, start_y), (end_x, end_y) = stitch[0]
width = max(width, start_x, end_x)
height = max(height, start_y, end_y)
return width, height
def go(self):
self.current_stitch = 0
self.timer = wx.PyTimer(self.draw_one_stitch)
self.timer.Start(self.frame_period)
def clear(self):
self.dc.SetBackground(wx.Brush('white'))
self.dc.Clear()
def on_size(self, e):
# ensure that the whole canvas is visible
window_width, window_height = self.GetSize()
client_width, client_height = self.GetClientSize()
decorations_width = window_width - client_width
decorations_height = window_height - client_height
self.SetSize((self.width + decorations_width, self.height + decorations_height))
e.Skip()
def on_paint(self, e):
dc = wx.PaintDC(self.panel)
dc.DrawBitmap(self.buffer, 0, 0)
if self.last_pos:
dc.DrawLine(self.last_pos[0] - 10, self.last_pos[1], self.last_pos[0] + 10, self.last_pos[1])
dc.DrawLine(self.last_pos[0], self.last_pos[1] - 10, self.last_pos[0], self.last_pos[1] + 10)
def redraw(self):
dc = wx.ClientDC(self)
dc.DrawBitmap(self.buffer, 0, 0)
def draw_one_stitch(self):
for i in xrange(self.stitches_per_frame):
try:
((x1, y1), (x2, y2)), color = self.stitches[self.current_stitch]
y1 = self.height - y1
y2 = self.height - y2
self.canvas.SetPen(color)
self.canvas.DrawLines(((x1, y1), (x2, y2)))
self.Refresh()
self.current_stitch += 1
self.last_pos = (x2, y2)
except IndexError:
self.timer.Stop()
class SimulateEffect(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("-P", "--path",
action="store", type="string",
dest="path", default=".",
help="Directory in which to store output file")
def effect(self):
app = wx.App()
frame = EmbroiderySimulator(None, -1, "Embroidery Simulation", wx.DefaultPosition, size=(1000, 1000), stitch_file=self.get_stitch_file())
app.SetTopWindow(frame)
frame.Show()
wx.CallAfter(frame.go)
app.MainLoop()
def get_stitch_file(self):
svg_filename = self.document.getroot().get(inkex.addNS('docname', 'sodipodi'))
csv_filename = svg_filename.replace('.svg', '.csv')
stitch_file = os.path.join(self.options.path, csv_filename)
return stitch_file
if __name__ == "__main__":
effect = SimulateEffect()
effect.affect()
sys.exit(0)
|
