kopia lustrzana https://github.com/inkstitch/inkstitch
281 wiersze
9.0 KiB
Python
281 wiersze
9.0 KiB
Python
import sys
|
|
import numpy
|
|
import wx
|
|
import colorsys
|
|
from itertools import izip
|
|
|
|
from .svg import PIXELS_PER_MM, color_block_to_point_lists
|
|
|
|
|
|
class EmbroiderySimulator(wx.Frame):
|
|
def __init__(self, *args, **kwargs):
|
|
stitch_plan = kwargs.pop('stitch_plan', None)
|
|
self.on_close_hook = kwargs.pop('on_close', None)
|
|
self.frame_period = kwargs.pop('frame_period', 80)
|
|
self.stitches_per_frame = kwargs.pop('stitches_per_frame', 1)
|
|
self.target_duration = kwargs.pop('target_duration', None)
|
|
|
|
self.margin = 10
|
|
|
|
screen_rect = wx.Display(0).ClientArea
|
|
self.max_width = kwargs.pop('max_width', screen_rect.GetWidth())
|
|
self.max_height = kwargs.pop('max_height', screen_rect.GetHeight())
|
|
self.scale = 1
|
|
|
|
wx.Frame.__init__(self, *args, **kwargs)
|
|
|
|
self.panel = wx.Panel(self, wx.ID_ANY)
|
|
self.panel.SetFocus()
|
|
|
|
self.sizer = wx.BoxSizer(wx.VERTICAL)
|
|
self.button_sizer = wx.BoxSizer(wx.HORIZONTAL)
|
|
|
|
self.button_label = (
|
|
[_("Speed up"),_('Press + or arrow up to speed up')],
|
|
[_("Slow down"),_('Press - or arrow down to slow down')],
|
|
[_("Pause"),_("Press P to pause the animation")],
|
|
[_("Restart"),_("Press R to restart the animation")],
|
|
[_("Quit"),_("Press Q to close the simulation window")])
|
|
self.buttons = []
|
|
for i in range(0, len(self.button_label)):
|
|
self.buttons.append(wx.Button(self, -1, self.button_label[i][0]))
|
|
self.button_sizer.Add(self.buttons[i], 1, wx.EXPAND)
|
|
self.buttons[i].Bind(wx.EVT_BUTTON, self.on_key_down)
|
|
self.buttons[i].SetToolTip(self.button_label[i][1])
|
|
|
|
self.sizer.Add(self.panel, 1, wx.EXPAND)
|
|
self.sizer.Add(self.button_sizer, 0, wx.EXPAND)
|
|
self.SetSizer(self.sizer)
|
|
|
|
self.load(stitch_plan)
|
|
|
|
if self.target_duration:
|
|
self.adjust_speed(self.target_duration)
|
|
|
|
self.buffer = wx.Bitmap(self.width * self.scale + self.margin * 2, self.height * self.scale + self.margin * 2)
|
|
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.timer = None
|
|
|
|
self.last_pos = None
|
|
|
|
self.Bind(wx.EVT_CLOSE, self.on_close)
|
|
|
|
def load(self, stitch_plan=None):
|
|
if stitch_plan:
|
|
self.mirror = False
|
|
self.segments = self._stitch_plan_to_segments(stitch_plan)
|
|
else:
|
|
return
|
|
|
|
self.trim_margins()
|
|
self.calculate_dimensions()
|
|
|
|
def adjust_speed(self, duration):
|
|
self.frame_period = 1000 * float(duration) / len(self.segments)
|
|
self.stitches_per_frame = 1
|
|
|
|
while self.frame_period < 1.0:
|
|
self.frame_period *= 2
|
|
self.stitches_per_frame *= 2
|
|
|
|
def on_key_down(self, event):
|
|
if hasattr(event, 'GetKeyCode'):
|
|
keycode = event.GetKeyCode()
|
|
else:
|
|
keycode = event.GetEventObject().GetLabelText()
|
|
self.panel.SetFocus()
|
|
|
|
if keycode == ord("+") or keycode == ord("=") or keycode == wx.WXK_UP or keycode == "Speed 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 or keycode == "Slow down":
|
|
if self.stitches_per_frame == 1:
|
|
self.frame_period *= 2
|
|
else:
|
|
self.stitches_per_frame /= 2
|
|
elif keycode == ord("Q") or keycode == "Quit":
|
|
self.Close()
|
|
elif keycode == ord("P") or keycode == "Pause":
|
|
if self.timer.IsRunning():
|
|
self.timer.Stop()
|
|
else:
|
|
self.timer.Start(self.frame_period)
|
|
elif keycode == ord("R") or keycode == "Restart":
|
|
self.stop()
|
|
self.clear()
|
|
self.go()
|
|
|
|
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 color_to_pen(self, color):
|
|
return wx.Pen(color.visible_on_white.rgb)
|
|
|
|
def _stitch_plan_to_segments(self, stitch_plan):
|
|
segments = []
|
|
|
|
for color_block in stitch_plan:
|
|
pen = self.color_to_pen(color_block.color)
|
|
|
|
for point_list in color_block_to_point_lists(color_block):
|
|
# if there's only one point, there's nothing to do, so skip
|
|
if len(point_list) < 2:
|
|
continue
|
|
|
|
for start, end in izip(point_list[:-1], point_list[1:]):
|
|
segments.append(((start, end), pen))
|
|
|
|
return segments
|
|
|
|
def all_coordinates(self):
|
|
for segment in self.segments:
|
|
start, end = segment[0]
|
|
|
|
yield start
|
|
yield end
|
|
|
|
def trim_margins(self):
|
|
"""remove any unnecessary whitespace around the design"""
|
|
|
|
min_x = sys.maxint
|
|
min_y = sys.maxint
|
|
|
|
for x, y in self.all_coordinates():
|
|
min_x = min(min_x, x)
|
|
min_y = min(min_y, y)
|
|
|
|
new_segments = []
|
|
|
|
for segment in self.segments:
|
|
(start, end), color = segment
|
|
|
|
new_segment = (
|
|
(
|
|
(start[0] - min_x, start[1] - min_y),
|
|
(end[0] - min_x, end[1] - min_y),
|
|
),
|
|
color
|
|
)
|
|
|
|
new_segments.append(new_segment)
|
|
|
|
self.segments = new_segments
|
|
|
|
def calculate_dimensions(self):
|
|
# 0.01 avoids a division by zero below for designs with no width or
|
|
# height (e.g. a straight vertical or horizontal line)
|
|
width = 0.01
|
|
height = 0.01
|
|
|
|
for x, y in self.all_coordinates():
|
|
width = max(width, x)
|
|
height = max(height, y)
|
|
|
|
self.width = width
|
|
self.height = height
|
|
self.scale = min(float(self.max_width) / width, float(self.max_height - 60) / height)
|
|
|
|
# make room for decorations and the margin
|
|
self.scale *= 0.95
|
|
|
|
def go(self):
|
|
self.clear()
|
|
|
|
self.current_stitch = 0
|
|
|
|
if not self.timer:
|
|
self.timer = wx.PyTimer(self.draw_one_frame)
|
|
|
|
self.timer.Start(self.frame_period)
|
|
|
|
def on_close(self, event):
|
|
self.stop()
|
|
|
|
if self.on_close_hook:
|
|
self.on_close_hook()
|
|
|
|
# If we keep a reference here, wx crashes when the process exits.
|
|
self.canvas = None
|
|
|
|
self.Destroy()
|
|
|
|
def stop(self):
|
|
if self.timer:
|
|
self.timer.Stop()
|
|
|
|
def clear(self):
|
|
self.dc.SetBackground(wx.Brush('white'))
|
|
self.dc.Clear()
|
|
self.last_pos = None
|
|
self.Refresh()
|
|
|
|
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 + 40
|
|
|
|
setsize_window_width = self.width * self.scale + decorations_width + self.margin * 2
|
|
setsize_window_height = (self.height) * self.scale + decorations_height + self.margin * 2
|
|
|
|
if setsize_window_width < 600:
|
|
setsize_window_width = 600
|
|
|
|
self.SetSize(( setsize_window_width, setsize_window_height))
|
|
|
|
e.Skip()
|
|
|
|
def on_paint(self, e):
|
|
dc = wx.PaintDC(self.panel)
|
|
dc.Blit(0, 0, self.buffer.GetWidth(), self.buffer.GetHeight(), self.dc, 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 draw_one_frame(self):
|
|
for i in xrange(self.stitches_per_frame):
|
|
try:
|
|
((x1, y1), (x2, y2)), color = self.segments[self.current_stitch]
|
|
|
|
if self.mirror:
|
|
y1 = self.height - y1
|
|
y2 = self.height - y2
|
|
|
|
x1 = x1 * self.scale + self.margin
|
|
y1 = y1 * self.scale + self.margin
|
|
x2 = x2 * self.scale + self.margin
|
|
y2 = y2 * self.scale + self.margin
|
|
|
|
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()
|