kopia lustrzana https://github.com/inkstitch/inkstitch
885 wiersze
32 KiB
Python
885 wiersze
32 KiB
Python
# Authors: see git history
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#
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# Copyright (c) 2010 Authors
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# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
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import sys
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import time
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from threading import Event, Thread
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import wx
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from wx.lib.intctrl import IntCtrl
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from lib.debug import debug
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from lib.utils.threading import ExitThread
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from ..i18n import _
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from ..stitch_plan import stitch_groups_to_stitch_plan, stitch_plan_from_file
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from ..svg import PIXELS_PER_MM
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# L10N command label at bottom of simulator window
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COMMAND_NAMES = [_("STITCH"), _("JUMP"), _("TRIM"), _("STOP"), _("COLOR CHANGE")]
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STITCH = 0
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JUMP = 1
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TRIM = 2
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STOP = 3
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COLOR_CHANGE = 4
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class ControlPanel(wx.Panel):
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""""""
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def __init__(self, parent, *args, **kwargs):
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""""""
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self.parent = parent
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self.stitch_plan = kwargs.pop('stitch_plan')
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self.target_stitches_per_second = kwargs.pop('stitches_per_second')
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self.target_duration = kwargs.pop('target_duration')
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kwargs['style'] = wx.BORDER_SUNKEN
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wx.Panel.__init__(self, parent, *args, **kwargs)
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self.statusbar = self.GetTopLevelParent().statusbar
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self.drawing_panel = None
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self.num_stitches = 1
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self.current_stitch = 1
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self.speed = 1
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self.direction = 1
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# Widgets
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self.btnMinus = wx.Button(self, -1, label='-')
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self.btnMinus.Bind(wx.EVT_BUTTON, self.animation_slow_down)
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self.btnMinus.SetToolTip(_('Slow down (arrow down)'))
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self.btnPlus = wx.Button(self, -1, label='+')
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self.btnPlus.Bind(wx.EVT_BUTTON, self.animation_speed_up)
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self.btnPlus.SetToolTip(_('Speed up (arrow up)'))
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self.btnBackwardStitch = wx.Button(self, -1, label='<|')
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self.btnBackwardStitch.Bind(wx.EVT_BUTTON, self.animation_one_stitch_backward)
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self.btnBackwardStitch.SetToolTip(_('Go on step backward (-)'))
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self.btnForwardStitch = wx.Button(self, -1, label='|>')
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self.btnForwardStitch.Bind(wx.EVT_BUTTON, self.animation_one_stitch_forward)
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self.btnForwardStitch.SetToolTip(_('Go on step forward (+)'))
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self.directionBtn = wx.Button(self, -1, label='<<')
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self.directionBtn.Bind(wx.EVT_BUTTON, self.on_direction_button)
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self.directionBtn.SetToolTip(_('Switch direction (arrow left | arrow right)'))
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self.pauseBtn = wx.Button(self, -1, label=_('Pause'))
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self.pauseBtn.Bind(wx.EVT_BUTTON, self.on_pause_start_button)
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self.pauseBtn.SetToolTip(_('Pause (P)'))
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self.restartBtn = wx.Button(self, -1, label=_('Restart'))
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self.restartBtn.Bind(wx.EVT_BUTTON, self.animation_restart)
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self.restartBtn.SetToolTip(_('Restart (R)'))
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self.nppBtn = wx.ToggleButton(self, -1, label=_('O'))
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self.nppBtn.Bind(wx.EVT_TOGGLEBUTTON, self.toggle_npp)
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self.nppBtn.SetToolTip(_('Display needle penetration point (O)'))
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self.quitBtn = wx.Button(self, -1, label=_('Quit'))
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self.quitBtn.Bind(wx.EVT_BUTTON, self.animation_quit)
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self.quitBtn.SetToolTip(_('Quit (Q)'))
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self.slider = wx.Slider(self, -1, value=1, minValue=1, maxValue=2,
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style=wx.SL_HORIZONTAL | wx.SL_LABELS)
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self.slider.Bind(wx.EVT_SLIDER, self.on_slider)
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self.stitchBox = IntCtrl(self, -1, value=1, min=1, max=2, limited=True, allow_none=True, style=wx.TE_PROCESS_ENTER)
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self.stitchBox.Bind(wx.EVT_LEFT_DOWN, self.on_stitch_box_focus)
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self.stitchBox.Bind(wx.EVT_SET_FOCUS, self.on_stitch_box_focus)
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self.stitchBox.Bind(wx.EVT_TEXT_ENTER, self.on_stitch_box_focusout)
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self.stitchBox.Bind(wx.EVT_KILL_FOCUS, self.on_stitch_box_focusout)
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self.Bind(wx.EVT_LEFT_DOWN, self.on_stitch_box_focusout)
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# Layout
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self.vbSizer = vbSizer = wx.BoxSizer(wx.VERTICAL)
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self.hbSizer1 = hbSizer1 = wx.BoxSizer(wx.HORIZONTAL)
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self.hbSizer2 = hbSizer2 = wx.BoxSizer(wx.HORIZONTAL)
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hbSizer1.Add(self.slider, 1, wx.EXPAND | wx.ALL, 3)
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hbSizer1.Add(self.stitchBox, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 2)
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vbSizer.Add(hbSizer1, 1, wx.EXPAND | wx.ALL, 3)
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hbSizer2.Add(self.btnMinus, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.btnPlus, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.btnBackwardStitch, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.btnForwardStitch, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.directionBtn, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.pauseBtn, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.restartBtn, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.nppBtn, 0, wx.EXPAND | wx.ALL, 2)
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hbSizer2.Add(self.quitBtn, 0, wx.EXPAND | wx.ALL, 2)
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vbSizer.Add(hbSizer2, 0, wx.EXPAND | wx.ALL, 3)
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self.SetSizerAndFit(vbSizer)
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# Keyboard Shortcuts
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shortcut_keys = [
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(wx.ACCEL_NORMAL, wx.WXK_RIGHT, self.animation_forward),
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(wx.ACCEL_NORMAL, wx.WXK_NUMPAD_RIGHT, self.animation_forward),
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(wx.ACCEL_NORMAL, wx.WXK_LEFT, self.animation_reverse),
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(wx.ACCEL_NORMAL, wx.WXK_NUMPAD_LEFT, self.animation_reverse),
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(wx.ACCEL_NORMAL, wx.WXK_UP, self.animation_speed_up),
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(wx.ACCEL_NORMAL, wx.WXK_NUMPAD_UP, self.animation_speed_up),
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(wx.ACCEL_NORMAL, wx.WXK_DOWN, self.animation_slow_down),
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(wx.ACCEL_NORMAL, wx.WXK_NUMPAD_DOWN, self.animation_slow_down),
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(wx.ACCEL_NORMAL, ord('+'), self.animation_one_stitch_forward),
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(wx.ACCEL_NORMAL, ord('='), self.animation_one_stitch_forward),
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(wx.ACCEL_SHIFT, ord('='), self.animation_one_stitch_forward),
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(wx.ACCEL_NORMAL, wx.WXK_ADD, self.animation_one_stitch_forward),
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(wx.ACCEL_NORMAL, wx.WXK_NUMPAD_ADD, self.animation_one_stitch_forward),
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(wx.ACCEL_NORMAL, wx.WXK_NUMPAD_UP, self.animation_one_stitch_forward),
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(wx.ACCEL_NORMAL, ord('-'), self.animation_one_stitch_backward),
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(wx.ACCEL_NORMAL, ord('_'), self.animation_one_stitch_backward),
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(wx.ACCEL_NORMAL, wx.WXK_SUBTRACT, self.animation_one_stitch_backward),
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(wx.ACCEL_NORMAL, wx.WXK_NUMPAD_SUBTRACT, self.animation_one_stitch_backward),
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(wx.ACCEL_NORMAL, ord('r'), self.animation_restart),
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(wx.ACCEL_NORMAL, ord('o'), self.on_toggle_npp_shortcut),
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(wx.ACCEL_NORMAL, ord('p'), self.on_pause_start_button),
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(wx.ACCEL_NORMAL, wx.WXK_SPACE, self.on_pause_start_button),
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(wx.ACCEL_NORMAL, ord('q'), self.animation_quit)]
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self.accel_entries = []
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for shortcut_key in shortcut_keys:
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eventId = wx.NewIdRef()
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self.accel_entries.append((shortcut_key[0], shortcut_key[1], eventId))
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self.Bind(wx.EVT_MENU, shortcut_key[2], id=eventId)
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self.accel_table = wx.AcceleratorTable(self.accel_entries)
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self.SetAcceleratorTable(self.accel_table)
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self.SetFocus()
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def set_drawing_panel(self, drawing_panel):
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self.drawing_panel = drawing_panel
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self.drawing_panel.set_speed(self.speed)
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def set_num_stitches(self, num_stitches):
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if num_stitches < 2:
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# otherwise the slider and intctrl get mad
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num_stitches = 2
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self.num_stitches = num_stitches
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self.stitchBox.SetMax(num_stitches)
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self.slider.SetMax(num_stitches)
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self.choose_speed()
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def choose_speed(self):
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if self.target_duration:
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self.set_speed(int(self.num_stitches / float(self.target_duration)))
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else:
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self.set_speed(self.target_stitches_per_second)
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def animation_forward(self, event=None):
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self.directionBtn.SetLabel("<<")
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self.drawing_panel.forward()
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self.direction = 1
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self.update_speed_text()
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def animation_reverse(self, event=None):
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self.directionBtn.SetLabel(">>")
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self.drawing_panel.reverse()
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self.direction = -1
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self.update_speed_text()
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def on_direction_button(self, event):
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if self.direction == 1:
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self.animation_reverse()
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else:
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self.animation_forward()
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def set_speed(self, speed):
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self.speed = int(max(speed, 1))
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self.update_speed_text()
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if self.drawing_panel:
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self.drawing_panel.set_speed(self.speed)
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def update_speed_text(self):
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self.statusbar.SetStatusText(_('Speed: %d stitches/sec') % (self.speed * self.direction), 0)
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self.hbSizer2.Layout()
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def on_slider(self, event):
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stitch = event.GetEventObject().GetValue()
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self.stitchBox.SetValue(stitch)
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if self.drawing_panel:
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self.drawing_panel.set_current_stitch(stitch)
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self.parent.SetFocus()
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def on_current_stitch(self, stitch, command):
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if self.current_stitch != stitch:
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self.current_stitch = stitch
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self.slider.SetValue(stitch)
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self.stitchBox.SetValue(stitch)
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self.statusbar.SetStatusText(COMMAND_NAMES[command], 1)
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def on_stitch_box_focus(self, event):
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self.animation_pause()
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self.SetAcceleratorTable(wx.AcceleratorTable([]))
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event.Skip()
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def on_stitch_box_focusout(self, event):
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self.SetAcceleratorTable(self.accel_table)
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stitch = self.stitchBox.GetValue()
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self.parent.SetFocus()
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if stitch is None:
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stitch = 1
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self.stitchBox.SetValue(1)
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self.slider.SetValue(stitch)
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if self.drawing_panel:
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self.drawing_panel.set_current_stitch(stitch)
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def animation_slow_down(self, event):
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""""""
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self.set_speed(self.speed / 2.0)
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def animation_speed_up(self, event):
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""""""
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self.set_speed(self.speed * 2.0)
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def animation_pause(self, event=None):
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self.drawing_panel.stop()
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def animation_start(self, event=None):
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self.drawing_panel.go()
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def on_start(self):
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self.pauseBtn.SetLabel(_('Pause'))
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def on_stop(self):
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self.pauseBtn.SetLabel(_('Start'))
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def on_pause_start_button(self, event):
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""""""
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if self.pauseBtn.GetLabel() == _('Pause'):
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self.animation_pause()
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else:
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self.animation_start()
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def animation_one_stitch_forward(self, event):
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self.animation_pause()
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self.drawing_panel.one_stitch_forward()
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def animation_one_stitch_backward(self, event):
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self.animation_pause()
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self.drawing_panel.one_stitch_backward()
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def animation_quit(self, event):
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self.parent.quit()
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def animation_restart(self, event):
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self.drawing_panel.restart()
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def on_toggle_npp_shortcut(self, event):
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self.nppBtn.SetValue(not self.nppBtn.GetValue())
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self.toggle_npp(event)
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def toggle_npp(self, event):
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if self.pauseBtn.GetLabel() == _('Start'):
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stitch = self.stitchBox.GetValue()
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self.drawing_panel.set_current_stitch(stitch)
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class DrawingPanel(wx.Panel):
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""""""
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# render no faster than this many frames per second
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TARGET_FPS = 30
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# It's not possible to specify a line thickness less than 1 pixel, even
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# though we're drawing anti-aliased lines. To get around this we scale
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# the stitch positions up by this factor and then scale down by a
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# corresponding amount during rendering.
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PIXEL_DENSITY = 10
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# Line width in pixels.
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LINE_THICKNESS = 0.4
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def __init__(self, *args, **kwargs):
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""""""
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self.stitch_plan = kwargs.pop('stitch_plan')
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self.control_panel = kwargs.pop('control_panel')
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kwargs['style'] = wx.BORDER_SUNKEN
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wx.Panel.__init__(self, *args, **kwargs)
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# Drawing panel can really be any size, but without this wxpython likes
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# to allow the status bar and control panel to get squished.
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self.SetMinSize((100, 100))
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self.SetBackgroundColour('#FFFFFF')
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self.SetDoubleBuffered(True)
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self.animating = False
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self.target_frame_period = 1.0 / self.TARGET_FPS
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self.last_frame_duration = 0
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self.direction = 1
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self.current_stitch = 0
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self.black_pen = wx.Pen((128, 128, 128))
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self.width = 0
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self.height = 0
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self.loaded = False
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# desired simulation speed in stitches per second
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self.speed = 16
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self.Bind(wx.EVT_PAINT, self.OnPaint)
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self.Bind(wx.EVT_SIZE, self.choose_zoom_and_pan)
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self.Bind(wx.EVT_LEFT_DOWN, self.on_left_mouse_button_down)
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self.Bind(wx.EVT_MOUSEWHEEL, self.on_mouse_wheel)
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# wait for layouts so that panel size is set
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wx.CallLater(50, self.load, self.stitch_plan)
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def clamp_current_stitch(self):
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if self.current_stitch < 1:
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self.current_stitch = 1
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elif self.current_stitch > self.num_stitches:
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self.current_stitch = self.num_stitches
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def stop_if_at_end(self):
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if self.direction == -1 and self.current_stitch == 1:
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self.stop()
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elif self.direction == 1 and self.current_stitch == self.num_stitches:
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self.stop()
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def start_if_not_at_end(self):
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if self.direction == -1 and self.current_stitch > 1:
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self.go()
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elif self.direction == 1 and self.current_stitch < self.num_stitches:
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self.go()
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def animate(self):
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if not self.animating:
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return
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frame_time = max(self.target_frame_period, self.last_frame_duration)
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# No sense in rendering more frames per second than our desired stitches
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# per second.
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frame_time = max(frame_time, 1.0 / self.speed)
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stitch_increment = int(self.speed * frame_time)
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self.set_current_stitch(self.current_stitch + self.direction * stitch_increment)
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wx.CallLater(int(1000 * frame_time), self.animate)
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def OnPaint(self, e):
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if not self.loaded:
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return
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dc = wx.PaintDC(self)
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canvas = wx.GraphicsContext.Create(dc)
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self.draw_stitches(canvas)
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self.draw_scale(canvas)
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def draw_stitches(self, canvas):
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canvas.BeginLayer(1)
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transform = canvas.GetTransform()
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transform.Translate(*self.pan)
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transform.Scale(self.zoom / self.PIXEL_DENSITY, self.zoom / self.PIXEL_DENSITY)
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canvas.SetTransform(transform)
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stitch = 0
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last_stitch = None
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start = time.time()
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for pen, stitches in zip(self.pens, self.stitch_blocks):
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canvas.SetPen(pen)
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if stitch + len(stitches) < self.current_stitch:
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stitch += len(stitches)
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if len(stitches) > 1:
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canvas.StrokeLines(stitches)
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self.draw_needle_penetration_points(canvas, pen, stitches)
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last_stitch = stitches[-1]
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else:
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stitches = stitches[:self.current_stitch - stitch]
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if len(stitches) > 1:
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canvas.StrokeLines(stitches)
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self.draw_needle_penetration_points(canvas, pen, stitches)
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last_stitch = stitches[-1]
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break
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self.last_frame_duration = time.time() - start
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if last_stitch:
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self.draw_crosshair(last_stitch[0], last_stitch[1], canvas, transform)
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canvas.EndLayer()
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def draw_crosshair(self, x, y, canvas, transform):
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x, y = transform.TransformPoint(float(x), float(y))
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canvas.SetTransform(canvas.CreateMatrix())
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crosshair_radius = 10
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canvas.SetPen(self.black_pen)
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canvas.DrawLines(((x - crosshair_radius, y), (x + crosshair_radius, y)))
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canvas.DrawLines(((x, y - crosshair_radius), (x, y + crosshair_radius)))
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def draw_scale(self, canvas):
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canvas.BeginLayer(1)
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canvas_width, canvas_height = self.GetClientSize()
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one_mm = PIXELS_PER_MM * self.zoom
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scale_width = one_mm
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max_width = min(canvas_width * 0.5, 300)
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while scale_width > max_width:
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scale_width /= 2.0
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while scale_width < 50:
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scale_width += one_mm
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scale_width_mm = int(scale_width / self.zoom / PIXELS_PER_MM)
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# The scale bar looks like this:
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#
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# | |
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# |_____|_____|
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scale_lower_left_x = 20
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scale_lower_left_y = canvas_height - 30
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canvas.DrawLines(((scale_lower_left_x, scale_lower_left_y - 6),
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(scale_lower_left_x, scale_lower_left_y),
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(scale_lower_left_x + scale_width / 2.0, scale_lower_left_y),
|
|
(scale_lower_left_x + scale_width / 2.0, scale_lower_left_y - 3),
|
|
(scale_lower_left_x + scale_width / 2.0, scale_lower_left_y),
|
|
(scale_lower_left_x + scale_width, scale_lower_left_y),
|
|
(scale_lower_left_x + scale_width, scale_lower_left_y - 5)))
|
|
|
|
canvas.SetFont(wx.Font(12, wx.DEFAULT, wx.NORMAL, wx.NORMAL), wx.Colour((0, 0, 0)))
|
|
canvas.DrawText("%s mm" % scale_width_mm, scale_lower_left_x, scale_lower_left_y + 5)
|
|
|
|
canvas.EndLayer()
|
|
|
|
def draw_needle_penetration_points(self, canvas, pen, stitches):
|
|
if self.control_panel.nppBtn.GetValue():
|
|
npp_pen = wx.Pen(pen.GetColour(), width=int(0.5 * PIXELS_PER_MM * self.PIXEL_DENSITY))
|
|
canvas.SetPen(npp_pen)
|
|
canvas.StrokeLineSegments(stitches, stitches)
|
|
|
|
def clear(self):
|
|
dc = wx.ClientDC(self)
|
|
dc.Clear()
|
|
|
|
def load(self, stitch_plan):
|
|
self.current_stitch = 1
|
|
self.direction = 1
|
|
self.last_frame_duration = 0
|
|
self.num_stitches = stitch_plan.num_stitches
|
|
self.control_panel.set_num_stitches(self.num_stitches)
|
|
self.minx, self.miny, self.maxx, self.maxy = stitch_plan.bounding_box
|
|
self.width = self.maxx - self.minx
|
|
self.height = self.maxy - self.miny
|
|
self.parse_stitch_plan(stitch_plan)
|
|
self.choose_zoom_and_pan()
|
|
self.set_current_stitch(0)
|
|
self.loaded = True
|
|
self.go()
|
|
|
|
def choose_zoom_and_pan(self, event=None):
|
|
# ignore if EVT_SIZE fired before we load the stitch plan
|
|
if not self.width and not self.height and event is not None:
|
|
return
|
|
|
|
panel_width, panel_height = self.GetClientSize()
|
|
|
|
# add some padding to make stitches at the edge more visible
|
|
width_ratio = panel_width / float(self.width + 10)
|
|
height_ratio = panel_height / float(self.height + 10)
|
|
self.zoom = min(width_ratio, height_ratio)
|
|
|
|
# center the design
|
|
self.pan = ((panel_width - self.zoom * self.width) / 2.0,
|
|
(panel_height - self.zoom * self.height) / 2.0)
|
|
|
|
def stop(self):
|
|
self.animating = False
|
|
self.control_panel.on_stop()
|
|
|
|
def go(self):
|
|
if not self.loaded:
|
|
return
|
|
|
|
if not self.animating:
|
|
self.animating = True
|
|
self.animate()
|
|
self.control_panel.on_start()
|
|
|
|
def color_to_pen(self, color):
|
|
# We draw the thread with a thickness of 0.1mm. Real thread has a
|
|
# thickness of ~0.4mm, but if we did that, we wouldn't be able to
|
|
# see the individual stitches.
|
|
return wx.Pen(list(map(int, color.visible_on_white.rgb)), int(0.1 * PIXELS_PER_MM * self.PIXEL_DENSITY))
|
|
|
|
def parse_stitch_plan(self, stitch_plan):
|
|
self.pens = []
|
|
self.stitch_blocks = []
|
|
|
|
# There is no 0th stitch, so add a place-holder.
|
|
self.commands = [None]
|
|
|
|
for color_block in stitch_plan:
|
|
pen = self.color_to_pen(color_block.color)
|
|
stitch_block = []
|
|
|
|
for stitch in color_block:
|
|
# trim any whitespace on the left and top and scale to the
|
|
# pixel density
|
|
stitch_block.append((self.PIXEL_DENSITY * (stitch.x - self.minx),
|
|
self.PIXEL_DENSITY * (stitch.y - self.miny)))
|
|
|
|
if stitch.trim:
|
|
self.commands.append(TRIM)
|
|
elif stitch.jump:
|
|
self.commands.append(JUMP)
|
|
elif stitch.stop:
|
|
self.commands.append(STOP)
|
|
elif stitch.color_change:
|
|
self.commands.append(COLOR_CHANGE)
|
|
else:
|
|
self.commands.append(STITCH)
|
|
|
|
if stitch.trim or stitch.stop or stitch.color_change:
|
|
self.pens.append(pen)
|
|
self.stitch_blocks.append(stitch_block)
|
|
stitch_block = []
|
|
|
|
if stitch_block:
|
|
self.pens.append(pen)
|
|
self.stitch_blocks.append(stitch_block)
|
|
|
|
def set_speed(self, speed):
|
|
self.speed = speed
|
|
|
|
def forward(self):
|
|
self.direction = 1
|
|
self.start_if_not_at_end()
|
|
|
|
def reverse(self):
|
|
self.direction = -1
|
|
self.start_if_not_at_end()
|
|
|
|
def set_current_stitch(self, stitch):
|
|
self.current_stitch = stitch
|
|
self.clamp_current_stitch()
|
|
self.control_panel.on_current_stitch(self.current_stitch, self.commands[self.current_stitch])
|
|
self.stop_if_at_end()
|
|
self.Refresh()
|
|
|
|
def restart(self):
|
|
if self.direction == 1:
|
|
self.current_stitch = 1
|
|
elif self.direction == -1:
|
|
self.current_stitch = self.num_stitches
|
|
|
|
self.go()
|
|
|
|
def one_stitch_forward(self):
|
|
self.set_current_stitch(self.current_stitch + 1)
|
|
|
|
def one_stitch_backward(self):
|
|
self.set_current_stitch(self.current_stitch - 1)
|
|
|
|
def on_left_mouse_button_down(self, event):
|
|
self.CaptureMouse()
|
|
self.drag_start = event.GetPosition()
|
|
self.drag_original_pan = self.pan
|
|
self.Bind(wx.EVT_MOTION, self.on_drag)
|
|
self.Bind(wx.EVT_MOUSE_CAPTURE_LOST, self.on_drag_end)
|
|
self.Bind(wx.EVT_LEFT_UP, self.on_drag_end)
|
|
|
|
def on_drag(self, event):
|
|
if self.HasCapture() and event.Dragging():
|
|
delta = event.GetPosition()
|
|
offset = (delta[0] - self.drag_start[0], delta[1] - self.drag_start[1])
|
|
self.pan = (self.drag_original_pan[0] + offset[0], self.drag_original_pan[1] + offset[1])
|
|
self.Refresh()
|
|
|
|
def on_drag_end(self, event):
|
|
if self.HasCapture():
|
|
self.ReleaseMouse()
|
|
|
|
self.Unbind(wx.EVT_MOTION)
|
|
self.Unbind(wx.EVT_MOUSE_CAPTURE_LOST)
|
|
self.Unbind(wx.EVT_LEFT_UP)
|
|
|
|
def on_mouse_wheel(self, event):
|
|
if event.GetWheelRotation() > 0:
|
|
zoom_delta = 1.03
|
|
else:
|
|
zoom_delta = 0.97
|
|
|
|
# If we just change the zoom, the design will appear to move on the
|
|
# screen. We have to adjust the pan to compensate. We want to keep
|
|
# the part of the design under the mouse pointer in the same spot
|
|
# after we zoom, so that we appear to be zooming centered on the
|
|
# mouse pointer.
|
|
|
|
# This will create a matrix that takes a point in the design and
|
|
# converts it to screen coordinates:
|
|
matrix = wx.AffineMatrix2D()
|
|
matrix.Translate(*self.pan)
|
|
matrix.Scale(self.zoom, self.zoom)
|
|
|
|
# First, figure out where the mouse pointer is in the coordinate system
|
|
# of the design:
|
|
pos = event.GetPosition()
|
|
inverse_matrix = wx.AffineMatrix2D()
|
|
inverse_matrix.Set(*matrix.Get())
|
|
inverse_matrix.Invert()
|
|
pos = inverse_matrix.TransformPoint(*pos)
|
|
|
|
# Next, see how that point changes position on screen before and after
|
|
# we apply the zoom change:
|
|
x_old, y_old = matrix.TransformPoint(*pos)
|
|
matrix.Scale(zoom_delta, zoom_delta)
|
|
x_new, y_new = matrix.TransformPoint(*pos)
|
|
x_delta = x_new - x_old
|
|
y_delta = y_new - y_old
|
|
|
|
# Finally, compensate for that change in position:
|
|
self.pan = (self.pan[0] - x_delta, self.pan[1] - y_delta)
|
|
|
|
self.zoom *= zoom_delta
|
|
|
|
self.Refresh()
|
|
|
|
|
|
class SimulatorPanel(wx.Panel):
|
|
""""""
|
|
|
|
def __init__(self, parent, *args, **kwargs):
|
|
""""""
|
|
self.parent = parent
|
|
stitch_plan = kwargs.pop('stitch_plan')
|
|
target_duration = kwargs.pop('target_duration')
|
|
stitches_per_second = kwargs.pop('stitches_per_second')
|
|
kwargs['style'] = wx.BORDER_SUNKEN
|
|
wx.Panel.__init__(self, parent, *args, **kwargs)
|
|
|
|
self.cp = ControlPanel(self,
|
|
stitch_plan=stitch_plan,
|
|
stitches_per_second=stitches_per_second,
|
|
target_duration=target_duration)
|
|
self.dp = DrawingPanel(self, stitch_plan=stitch_plan, control_panel=self.cp)
|
|
self.cp.set_drawing_panel(self.dp)
|
|
|
|
vbSizer = wx.BoxSizer(wx.VERTICAL)
|
|
vbSizer.Add(self.dp, 1, wx.EXPAND | wx.ALL, 2)
|
|
vbSizer.Add(self.cp, 0, wx.EXPAND | wx.ALL, 2)
|
|
self.SetSizerAndFit(vbSizer)
|
|
|
|
def quit(self):
|
|
self.parent.quit()
|
|
|
|
def go(self):
|
|
self.dp.go()
|
|
|
|
def stop(self):
|
|
self.dp.stop()
|
|
|
|
def load(self, stitch_plan):
|
|
self.dp.load(stitch_plan)
|
|
|
|
def clear(self):
|
|
self.dp.clear()
|
|
|
|
|
|
class EmbroiderySimulator(wx.Frame):
|
|
def __init__(self, *args, **kwargs):
|
|
self.on_close_hook = kwargs.pop('on_close', None)
|
|
stitch_plan = kwargs.pop('stitch_plan', None)
|
|
stitches_per_second = kwargs.pop('stitches_per_second', 16)
|
|
target_duration = kwargs.pop('target_duration', None)
|
|
wx.Frame.__init__(self, *args, **kwargs)
|
|
self.statusbar = self.CreateStatusBar(2)
|
|
self.statusbar.SetStatusWidths([250, -1])
|
|
|
|
sizer = wx.BoxSizer(wx.HORIZONTAL)
|
|
self.simulator_panel = SimulatorPanel(self,
|
|
stitch_plan=stitch_plan,
|
|
target_duration=target_duration,
|
|
stitches_per_second=stitches_per_second)
|
|
sizer.Add(self.simulator_panel, 1, wx.EXPAND)
|
|
|
|
self.SetSizeHints(sizer.CalcMin())
|
|
|
|
self.Bind(wx.EVT_CLOSE, self.on_close)
|
|
|
|
def quit(self):
|
|
self.Close()
|
|
|
|
def on_close(self, event):
|
|
self.simulator_panel.stop()
|
|
|
|
if self.on_close_hook:
|
|
self.on_close_hook()
|
|
|
|
self.SetFocus()
|
|
self.Destroy()
|
|
|
|
def go(self):
|
|
self.simulator_panel.go()
|
|
|
|
def stop(self):
|
|
self.simulator_panel.stop()
|
|
|
|
def load(self, stitch_plan):
|
|
self.simulator_panel.load(stitch_plan)
|
|
|
|
def clear(self):
|
|
self.simulator_panel.clear()
|
|
|
|
|
|
class SimulatorPreview(Thread):
|
|
"""Manages a preview simulation and a background thread for generating patches."""
|
|
|
|
def __init__(self, parent, *args, **kwargs):
|
|
"""Construct a SimulatorPreview.
|
|
|
|
The parent is expected to be a wx.Window and also implement the following methods:
|
|
|
|
def generate_patches(self, abort_event):
|
|
Produce an list of StitchGroup instances. This method will be
|
|
invoked in a background thread and it is expected that it may
|
|
take awhile.
|
|
|
|
If possible, this method should periodically check
|
|
abort_event.is_set(), and if True, stop early. The return
|
|
value will be ignored in this case.
|
|
"""
|
|
self.parent = parent
|
|
self.target_duration = kwargs.pop('target_duration', 5)
|
|
super(SimulatorPreview, self).__init__(*args, **kwargs)
|
|
self.daemon = True
|
|
|
|
self.simulate_window = None
|
|
self.refresh_needed = Event()
|
|
|
|
# This is read by utils.threading.check_stop_flag() to abort stitch plan
|
|
# generation.
|
|
self.stop = Event()
|
|
|
|
# used when closing to avoid having the window reopen at the last second
|
|
self._disabled = False
|
|
|
|
wx.CallLater(1000, self.update)
|
|
|
|
def disable(self):
|
|
self._disabled = True
|
|
|
|
def update(self):
|
|
"""Request an update of the simulator preview with freshly-generated patches."""
|
|
|
|
if self.simulate_window:
|
|
self.simulate_window.stop()
|
|
self.simulate_window.clear()
|
|
|
|
if self._disabled:
|
|
return
|
|
|
|
if not self.is_alive():
|
|
self.start()
|
|
|
|
self.stop.set()
|
|
self.refresh_needed.set()
|
|
|
|
def run(self):
|
|
while True:
|
|
self.refresh_needed.wait()
|
|
self.refresh_needed.clear()
|
|
self.stop.clear()
|
|
|
|
try:
|
|
debug.log("update_patches")
|
|
self.update_patches()
|
|
except ExitThread:
|
|
debug.log("ExitThread caught")
|
|
self.stop.clear()
|
|
|
|
def update_patches(self):
|
|
try:
|
|
patches = self.parent.generate_patches(self.refresh_needed)
|
|
except ExitThread:
|
|
raise
|
|
except: # noqa: E722
|
|
# If something goes wrong when rendering patches, it's not great,
|
|
# but we don't really want the simulator thread to crash. Instead,
|
|
# just swallow the exception and abort. It'll show up when they
|
|
# try to actually embroider the shape.
|
|
return
|
|
|
|
if patches and not self.refresh_needed.is_set():
|
|
metadata = self.parent.metadata
|
|
collapse_len = metadata['collapse_len_mm']
|
|
min_stitch_len = metadata['min_stitch_len_mm']
|
|
stitch_plan = stitch_groups_to_stitch_plan(patches, collapse_len=collapse_len, min_stitch_len=min_stitch_len)
|
|
|
|
# GUI stuff needs to happen in the main thread, so we ask the main
|
|
# thread to call refresh_simulator().
|
|
wx.CallAfter(self.refresh_simulator, patches, stitch_plan)
|
|
|
|
def refresh_simulator(self, patches, stitch_plan):
|
|
if self.simulate_window:
|
|
self.simulate_window.stop()
|
|
self.simulate_window.load(stitch_plan)
|
|
else:
|
|
params_rect = self.parent.GetScreenRect()
|
|
simulator_pos = params_rect.GetTopRight()
|
|
simulator_pos.x += 5
|
|
|
|
current_screen = wx.Display.GetFromPoint(wx.GetMousePosition())
|
|
display = wx.Display(current_screen)
|
|
screen_rect = display.GetClientArea()
|
|
simulator_pos.y = screen_rect.GetTop()
|
|
|
|
width = screen_rect.GetWidth() - params_rect.GetWidth()
|
|
height = screen_rect.GetHeight()
|
|
|
|
try:
|
|
self.simulate_window = EmbroiderySimulator(None, -1, _("Preview"),
|
|
simulator_pos,
|
|
size=(width, height),
|
|
stitch_plan=stitch_plan,
|
|
on_close=self.simulate_window_closed,
|
|
target_duration=self.target_duration)
|
|
except Exception:
|
|
try:
|
|
# a window may have been created, so we need to destroy it
|
|
# or the app will never exit
|
|
wx.Window.FindWindowByName(_("Preview")).Destroy()
|
|
except Exception:
|
|
pass
|
|
|
|
self.simulate_window.Show()
|
|
wx.CallLater(10, self.parent.Raise)
|
|
|
|
wx.CallAfter(self.simulate_window.go)
|
|
|
|
def simulate_window_closed(self):
|
|
self.simulate_window = None
|
|
|
|
def close(self):
|
|
self.disable()
|
|
if self.simulate_window:
|
|
self.simulate_window.stop()
|
|
self.simulate_window.Close()
|
|
|
|
|
|
def show_simulator(stitch_plan):
|
|
app = wx.App()
|
|
current_screen = wx.Display.GetFromPoint(wx.GetMousePosition())
|
|
display = wx.Display(current_screen)
|
|
screen_rect = display.GetClientArea()
|
|
|
|
simulator_pos = (screen_rect[0], screen_rect[1])
|
|
|
|
# subtract 1 because otherwise the window becomes maximized on Linux
|
|
width = screen_rect[2] - 1
|
|
height = screen_rect[3] - 1
|
|
|
|
frame = EmbroiderySimulator(None, -1, _("Embroidery Simulation"), pos=simulator_pos, size=(width, height), stitch_plan=stitch_plan)
|
|
app.SetTopWindow(frame)
|
|
frame.Show()
|
|
app.MainLoop()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
stitch_plan = stitch_plan_from_file(sys.argv[1])
|
|
show_simulator(stitch_plan)
|