#!/usr/bin/env python # -*- coding: UTF-8 -*- import os import sys import json import traceback import time from threading import Thread, Event from copy import copy from cStringIO import StringIO import wx from wx.lib.scrolledpanel import ScrolledPanel from collections import defaultdict import inkex import inkstitch from inkstitch import _, Param, EmbroideryElement, get_nodes from embroider import Fill, AutoFill, Stroke, SatinColumn from functools import partial from itertools import groupby from embroider_simulate import EmbroiderySimulator def presets_path(): try: import appdirs config_path = appdirs.user_config_dir('inkstitch') except ImportError: config_path = os.path.expanduser('~/.inkstitch') if not os.path.exists(config_path): os.makedirs(config_path) return os.path.join(config_path, 'presets.json') def load_presets(): try: with open(presets_path(), 'r') as presets: presets = json.load(presets) return presets except: return {} def save_presets(presets): with open(presets_path(), 'w') as presets_file: json.dump(presets, presets_file) def load_preset(name): return load_presets().get(name) def save_preset(name, data): presets = load_presets() presets[name] = data save_presets(presets) def delete_preset(name): presets = load_presets() presets.pop(name, None) save_presets(presets) def confirm_dialog(parent, question, caption = 'ink/stitch'): dlg = wx.MessageDialog(parent, question, caption, wx.YES_NO | wx.ICON_QUESTION) result = dlg.ShowModal() == wx.ID_YES dlg.Destroy() return result def info_dialog(parent, message, caption = 'ink/stitch'): dlg = wx.MessageDialog(parent, message, caption, wx.OK | wx.ICON_INFORMATION) dlg.ShowModal() dlg.Destroy() class ParamsTab(ScrolledPanel): def __init__(self, *args, **kwargs): self.params = kwargs.pop('params', []) self.name = kwargs.pop('name', None) self.nodes = kwargs.pop('nodes') kwargs["style"] = wx.TAB_TRAVERSAL ScrolledPanel.__init__(self, *args, **kwargs) self.SetupScrolling() self.changed_inputs = set() self.dependent_tabs = [] self.parent_tab = None self.param_inputs = {} self.paired_tab = None self.disable_notify_pair = False toggles = [param for param in self.params if param.type == 'toggle'] if toggles: self.toggle = toggles[0] self.params.remove(self.toggle) self.toggle_checkbox = wx.CheckBox(self, label=self.toggle.description) value = any(self.toggle.values) if self.toggle.inverse: value = not value self.toggle_checkbox.SetValue(value) self.toggle_checkbox.Bind(wx.EVT_CHECKBOX, self.update_toggle_state) self.toggle_checkbox.Bind(wx.EVT_CHECKBOX, self.changed) self.param_inputs[self.toggle.name] = self.toggle_checkbox else: self.toggle = None self.settings_grid = wx.FlexGridSizer(rows=0, cols=3, hgap=10, vgap=10) self.settings_grid.AddGrowableCol(0, 1) self.settings_grid.SetFlexibleDirection(wx.HORIZONTAL) self.__set_properties() self.__do_layout() if self.toggle: self.update_toggle_state() # end wxGlade def pair(self, tab): # print self.name, "paired with", tab.name self.paired_tab = tab self.update_description() def add_dependent_tab(self, tab): self.dependent_tabs.append(tab) self.update_description() def set_parent_tab(self, tab): self.parent_tab = tab def is_dependent_tab(self): return self.parent_tab is not None def enabled(self): if self.toggle_checkbox: return self.toggle_checkbox.IsChecked() else: return True def update_toggle_state(self, event=None, notify_pair=True): enable = self.enabled() # print self.name, "update_toggle_state", enable for child in self.settings_grid.GetChildren(): widget = child.GetWindow() if widget: child.GetWindow().Enable(enable) if notify_pair and self.paired_tab: self.paired_tab.pair_changed(enable) for tab in self.dependent_tabs: tab.dependent_enable(enable) if event: event.Skip() def pair_changed(self, value): # print self.name, "pair_changed", value new_value = not value if self.enabled() != new_value: self.set_toggle_state(not value) self.update_toggle_state(notify_pair=False) if self.on_change_hook: self.on_change_hook(self) def dependent_enable(self, enable): if enable: self.toggle_checkbox.Enable() else: self.set_toggle_state(False) self.toggle_checkbox.Disable() self.update_toggle_state() if self.on_change_hook: self.on_change_hook(self) def set_toggle_state(self, value): if self.toggle_checkbox: self.toggle_checkbox.SetValue(value) self.changed_inputs.add(self.toggle_checkbox) def get_values(self): values = {} if self.toggle: checked = self.enabled() if self.toggle_checkbox in self.changed_inputs and not self.toggle.inverse: values[self.toggle.name] = checked if not checked: # Ignore params on this tab if the toggle is unchecked, # because they're grayed out anyway. return values for name, input in self.param_inputs.iteritems(): if input in self.changed_inputs and input != self.toggle_checkbox: values[name] = input.GetValue() return values def apply(self): values = self.get_values() for node in self.nodes: # print >> sys.stderr, "apply: ", self.name, node.id, values for name, value in values.iteritems(): node.set_param(name, value) def on_change(self, callable): self.on_change_hook = callable def changed(self, event): self.changed_inputs.add(event.GetEventObject()) event.Skip() if self.on_change_hook: self.on_change_hook(self) def load_preset(self, preset): preset_data = preset.get(self.name, {}) for name, value in preset_data.iteritems(): if name in self.param_inputs: self.param_inputs[name].SetValue(value) self.changed_inputs.add(self.param_inputs[name]) self.update_toggle_state() def save_preset(self, storage): preset = storage[self.name] = {} for name, input in self.param_inputs.iteritems(): preset[name] = input.GetValue() def update_description(self): if len(self.nodes) == 1: description = _("These settings will be applied to 1 object.") else: description = _("These settings will be applied to %d objects.") % len(self.nodes) if any(len(param.values) > 1 for param in self.params): description += "\n • " + _("Some settings had different values across objects. Select a value from the dropdown or enter a new one.") if self.dependent_tabs: if len(self.dependent_tabs) == 1: description += "\n • " + _("Disabling this tab will disable the following %d tabs.") % len(self.dependent_tabs) else: description += "\n • " + _("Disabling this tab will disable the following tab.") if self.paired_tab: description += "\n • " + _("Enabling this tab will disable %s and vice-versa.") % self.paired_tab.name self.description_text = description def resized(self, event): if not hasattr(self, 'rewrap_timer'): self.rewrap_timer = wx.Timer() self.rewrap_timer.Bind(wx.EVT_TIMER, self.rewrap) # If we try to rewrap every time we get EVT_SIZE then a resize is # extremely slow. self.rewrap_timer.Start(50, oneShot=True) event.Skip() def rewrap(self, event=None): self.description.SetLabel(self.description_text) self.description.Wrap(self.GetSize().x - 20) self.description_container.Layout() if event: event.Skip() def __set_properties(self): # begin wxGlade: SatinPane.__set_properties # end wxGlade pass def __do_layout(self): # just to add space around the settings box = wx.BoxSizer(wx.VERTICAL) summary_box = wx.StaticBox(self, wx.ID_ANY, label=_("Inkscape objects")) sizer = wx.StaticBoxSizer(summary_box, wx.HORIZONTAL) # sizer = wx.BoxSizer(wx.HORIZONTAL) self.description = wx.StaticText(self) self.update_description() self.description.SetLabel(self.description_text) self.description_container = box self.Bind(wx.EVT_SIZE, self.resized) sizer.Add(self.description, proportion=0, flag=wx.EXPAND|wx.ALL, border=5) box.Add(sizer, proportion=0, flag=wx.ALL, border=5) if self.toggle: box.Add(self.toggle_checkbox, proportion=0, flag=wx.BOTTOM, border=10) for param in self.params: description = wx.StaticText(self, label=param.description) description.SetToolTip(param.tooltip) self.settings_grid.Add(description, proportion=1, flag=wx.EXPAND|wx.RIGHT, border=40) if param.type == 'boolean': if len(param.values) > 1: input = wx.CheckBox(self, style=wx.CHK_3STATE) input.Set3StateValue(wx.CHK_UNDETERMINED) else: input = wx.CheckBox(self) if param.values: input.SetValue(param.values[0]) input.Bind(wx.EVT_CHECKBOX, self.changed) elif len(param.values) > 1: input = wx.ComboBox(self, wx.ID_ANY, choices=sorted(param.values), style=wx.CB_DROPDOWN) input.Bind(wx.EVT_COMBOBOX, self.changed) input.Bind(wx.EVT_TEXT, self.changed) else: value = param.values[0] if param.values else "" input = wx.TextCtrl(self, wx.ID_ANY, value=str(value)) input.Bind(wx.EVT_TEXT, self.changed) self.param_inputs[param.name] = input self.settings_grid.Add(input, proportion=1, flag=wx.ALIGN_CENTER_VERTICAL) self.settings_grid.Add(wx.StaticText(self, label=param.unit or ""), proportion=1, flag=wx.ALIGN_CENTER_VERTICAL) box.Add(self.settings_grid, proportion=1, flag=wx.ALL, border=10) self.SetSizer(box) self.Layout() # end of class SatinPane class SettingsFrame(wx.Frame): def __init__(self, *args, **kwargs): # begin wxGlade: MyFrame.__init__ self.tabs_factory = kwargs.pop('tabs_factory', []) self.cancel_hook = kwargs.pop('on_cancel', None) wx.Frame.__init__(self, None, wx.ID_ANY, _("Embroidery Params") ) self.notebook = wx.Notebook(self, wx.ID_ANY) self.tabs = self.tabs_factory(self.notebook) for tab in self.tabs: tab.on_change(self.update_simulator) self.simulate_window = None self.simulate_thread = None self.simulate_refresh_needed = Event() wx.CallLater(1000, self.update_simulator) self.presets_box = wx.StaticBox(self, wx.ID_ANY, label=_("Presets")) self.preset_chooser = wx.ComboBox(self, wx.ID_ANY) self.update_preset_list() self.load_preset_button = wx.Button(self, wx.ID_ANY, _("Load")) self.load_preset_button.Bind(wx.EVT_BUTTON, self.load_preset) self.add_preset_button = wx.Button(self, wx.ID_ANY, _("Add")) self.add_preset_button.Bind(wx.EVT_BUTTON, self.add_preset) self.overwrite_preset_button = wx.Button(self, wx.ID_ANY, _("Overwrite")) self.overwrite_preset_button.Bind(wx.EVT_BUTTON, self.overwrite_preset) self.delete_preset_button = wx.Button(self, wx.ID_ANY, _("Delete")) self.delete_preset_button.Bind(wx.EVT_BUTTON, self.delete_preset) self.cancel_button = wx.Button(self, wx.ID_ANY, _("Cancel")) self.cancel_button.Bind(wx.EVT_BUTTON, self.cancel) self.Bind(wx.EVT_CLOSE, self.cancel) self.use_last_button = wx.Button(self, wx.ID_ANY, _("Use Last Settings")) self.use_last_button.Bind(wx.EVT_BUTTON, self.use_last) self.apply_button = wx.Button(self, wx.ID_ANY, _("Apply and Quit")) self.apply_button.Bind(wx.EVT_BUTTON, self.apply) self.__set_properties() self.__do_layout() # end wxGlade def update_simulator(self, tab=None): if self.simulate_window: self.simulate_window.stop() self.simulate_window.clear() if not self.simulate_thread or not self.simulate_thread.is_alive(): self.simulate_thread = Thread(target=self.simulate_worker) self.simulate_thread.daemon = True self.simulate_thread.start() self.simulate_refresh_needed.set() def simulate_worker(self): while True: self.simulate_refresh_needed.wait() self.simulate_refresh_needed.clear() self.update_patches() def update_patches(self): patches = self.generate_patches() if patches and not self.simulate_refresh_needed.is_set(): wx.CallAfter(self.refresh_simulator, patches) def refresh_simulator(self, patches): if self.simulate_window: self.simulate_window.stop() self.simulate_window.load(patches=patches) else: my_rect = self.GetRect() simulator_pos = my_rect.GetTopRight() simulator_pos.x += 5 screen_rect = wx.Display(0).ClientArea max_width = screen_rect.GetWidth() - my_rect.GetWidth() max_height = screen_rect.GetHeight() try: self.simulate_window = EmbroiderySimulator(None, -1, _("Preview"), simulator_pos, size=(300, 300), patches=patches, on_close=self.simulate_window_closed, target_duration=5, max_width=max_width, max_height=max_height) except: error = traceback.format_exc() 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: pass info_dialog(self, error, _("Internal Error")) self.simulate_window.Show() wx.CallLater(10, self.Raise) wx.CallAfter(self.simulate_window.go) def simulate_window_closed(self): self.simulate_window = None def generate_patches(self): patches = [] nodes = [] for tab in self.tabs: tab.apply() if tab.enabled() and not tab.is_dependent_tab(): nodes.extend(tab.nodes) # sort nodes into the proper stacking order nodes.sort(key=lambda node: node.order) try: for node in nodes: if self.simulate_refresh_needed.is_set(): # cancel; params were updated and we need to start over return [] # Making a copy of the embroidery element is an easy # way to drop the cache in the @cache decorators used # for many params in embroider.py. patches.extend(copy(node).embroider(None)) except SystemExit: raise except: # Ignore errors. This can be things like incorrect paths for # satins or division by zero caused by incorrect param values. pass return patches def update_preset_list(self): preset_names = load_presets().keys() preset_names = [preset for preset in preset_names if preset != "__LAST__"] self.preset_chooser.SetItems(sorted(preset_names)) def get_preset_name(self): preset_name = self.preset_chooser.GetValue().strip() if preset_name: return preset_name else: info_dialog(self, _("Please enter or select a preset name first."), caption=_('Preset')) return def check_and_load_preset(self, preset_name): preset = load_preset(preset_name) if not preset: info_dialog(self, _('Preset "%s" not found.') % preset_name, caption=_('Preset')) return preset def get_preset_data(self): preset = {} current_tab = self.tabs[self.notebook.GetSelection()] while current_tab.parent_tab: current_tab = current_tab.parent_tab tabs = [current_tab] if current_tab.paired_tab: tabs.append(current_tab.paired_tab) tabs.extend(current_tab.paired_tab.dependent_tabs) tabs.extend(current_tab.dependent_tabs) for tab in tabs: tab.save_preset(preset) return preset def add_preset(self, event, overwrite=False): preset_name = self.get_preset_name() if not preset_name: return if not overwrite and load_preset(preset_name): info_dialog(self, _('Preset "%s" already exists. Please use another name or press "Overwrite"') % preset_name, caption=_('Preset')) save_preset(preset_name, self.get_preset_data()) self.update_preset_list() event.Skip() def overwrite_preset(self, event): self.add_preset(event, overwrite=True) def _load_preset(self, preset_name): preset = self.check_and_load_preset(preset_name) if not preset: return for tab in self.tabs: tab.load_preset(preset) def load_preset(self, event): preset_name = self.get_preset_name() if not preset_name: return self._load_preset(preset_name) event.Skip() def delete_preset(self, event): preset_name = self.get_preset_name() if not preset_name: return preset = self.check_and_load_preset(preset_name) if not preset: return delete_preset(preset_name) self.update_preset_list() self.preset_chooser.SetValue("") event.Skip() def _apply(self): for tab in self.tabs: tab.apply() def apply(self, event): self._apply() save_preset("__LAST__", self.get_preset_data()) self.close() def use_last(self, event): self._load_preset("__LAST__") self.apply(event) def close(self): if self.simulate_window: self.simulate_window.stop() self.simulate_window.Close() self.Destroy() def cancel(self, event): if self.cancel_hook: self.cancel_hook() self.close() def __set_properties(self): # begin wxGlade: MyFrame.__set_properties self.notebook.SetMinSize((800, 600)) self.preset_chooser.SetSelection(-1) # end wxGlade def __do_layout(self): # begin wxGlade: MyFrame.__do_layout sizer_1 = wx.BoxSizer(wx.VERTICAL) #self.sizer_3_staticbox.Lower() sizer_2 = wx.StaticBoxSizer(self.presets_box, wx.HORIZONTAL) sizer_3 = wx.BoxSizer(wx.HORIZONTAL) for tab in self.tabs: self.notebook.AddPage(tab, tab.name) sizer_1.Add(self.notebook, 1, wx.EXPAND|wx.LEFT|wx.TOP|wx.RIGHT, 10) sizer_2.Add(self.preset_chooser, 1, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5) sizer_2.Add(self.load_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5) sizer_2.Add(self.add_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5) sizer_2.Add(self.overwrite_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5) sizer_2.Add(self.delete_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5) sizer_1.Add(sizer_2, 0, flag=wx.EXPAND|wx.ALL, border=10) sizer_3.Add(self.cancel_button, 0, wx.ALIGN_RIGHT|wx.RIGHT, 5) sizer_3.Add(self.use_last_button, 0, wx.ALIGN_RIGHT|wx.RIGHT|wx.BOTTOM, 5) sizer_3.Add(self.apply_button, 0, wx.ALIGN_RIGHT|wx.RIGHT|wx.BOTTOM, 5) sizer_1.Add(sizer_3, 0, wx.ALIGN_RIGHT, 0) self.SetSizer(sizer_1) sizer_1.Fit(self) self.Layout() # end wxGlade class EmbroiderParams(inkex.Effect): def __init__(self, *args, **kwargs): self.cancelled = False inkex.Effect.__init__(self, *args, **kwargs) def embroidery_classes(self, node): element = EmbroideryElement(node) classes = [] if element.get_style("fill"): classes.append(AutoFill) classes.append(Fill) if element.get_style("stroke"): classes.append(Stroke) if element.get_style("stroke-dasharray") is None: classes.append(SatinColumn) return classes def get_nodes_by_class(self): nodes = get_nodes(self) nodes_by_class = defaultdict(list) for z, node in enumerate(nodes): for cls in self.embroidery_classes(node): element = cls(node) element.order = z nodes_by_class[cls].append(element) return sorted(nodes_by_class.items(), key=lambda (cls, nodes): cls.__name__) def get_values(self, param, nodes): getter = 'get_param' if param.type in ('toggle', 'boolean'): getter = 'get_boolean_param' else: getter = 'get_param' values = filter(lambda item: item is not None, (getattr(node, getter)(param.name, str(param.default)) for node in nodes)) return values def group_params(self, params): def by_group_and_sort_index(param): return param.group, param.sort_index def by_group(param): return param.group return groupby(sorted(params, key=by_group_and_sort_index), by_group) def create_tabs(self, parent): tabs = [] for cls, nodes in self.get_nodes_by_class(): params = cls.get_params() for param in params: param.values = list(set(self.get_values(param, nodes))) parent_tab = None new_tabs = [] for group, params in self.group_params(params): tab = ParamsTab(parent, id=wx.ID_ANY, name=group or cls.__name__, params=list(params), nodes=nodes) new_tabs.append(tab) if group is None: parent_tab = tab for tab in new_tabs: if tab != parent_tab: parent_tab.add_dependent_tab(tab) tab.set_parent_tab(parent_tab) tabs.extend(new_tabs) for tab in tabs: if tab.toggle and tab.toggle.inverse: for other_tab in tabs: if other_tab != tab and other_tab.toggle.name == tab.toggle.name: tab.pair(other_tab) other_tab.pair(tab) def tab_sort_key(tab): parent = tab.parent_tab or tab sort_key = ( # For Stroke and SatinColumn, place the one that's # enabled first. Place dependent tabs first too. parent.toggle and parent.toggle_checkbox.IsChecked(), # If multiple tabs are enabled, make sure dependent # tabs are grouped with the parent. parent, # Within parent/dependents, put the parent first. tab == parent ) return sort_key tabs.sort(key=tab_sort_key, reverse=True) return tabs def cancel(self): self.cancelled = True def effect(self): app = wx.App() frame = SettingsFrame(tabs_factory=self.create_tabs, on_cancel=self.cancel) frame.Show() app.MainLoop() if self.cancelled: # This prevents the superclass from outputting the SVG, because we # may have modified the DOM. sys.exit(0) def save_stderr(): # GTK likes to spam stderr, which inkscape will show in a dialog. null = open(os.devnull, 'w') sys.stderr_dup = os.dup(sys.stderr.fileno()) os.dup2(null.fileno(), 2) sys.stderr_backup = sys.stderr sys.stderr = StringIO() def restore_stderr(): os.dup2(sys.stderr_dup, 2) sys.stderr_backup.write(sys.stderr.getvalue()) sys.stderr = sys.stderr_backup # end of class MyFrame if __name__ == "__main__": save_stderr() try: e = EmbroiderParams() e.affect() except SystemExit: raise except: traceback.print_exc() restore_stderr()