import ast import time from gi.repository import GLib, Gtk, Gdk, GdkPixbuf import Activity import Export import threading import cv2 import numpy import getpass import os from PF2 import Histogram from PF2.Tools import BlackWhite from PF2.Tools import Colours from PF2.Tools import Contrast from PF2.Tools import Details from PF2.Tools import Tonemap from PF2.Tools import HueEqualiser class PF2(Activity.Activity): def on_init(self): self.id = "PF2" self.name = "Edit a Photo" self.subtitle = "Edit a Raster Image with PhotoFiddle" UI_FILE = "ui/PF2_Activity.glade" self.builder.add_from_file(UI_FILE) self.widget = self.builder.get_object("PF2_main") self.stack.add_titled(self.widget, self.id, self.name) self.header_widget = self.builder.get_object("PF2_header") self.header_stack.add_titled(self.header_widget, self.id, self.name) # Get all UI Components self.ui = {} components = [ "control_reveal", "histogram_reveal", "layers_reveal", "upper_peak_toggle", "lower_peak_toggle", "histogram", "layer_stack", "preview", "scroll_window", "open_button", "original_toggle", "tools", "tool_stack", "open_window", "open_header", "open_cancel_button", "open_open_button", "open_chooser", "popovermenu", "show_hist", "export_image", "undo", "redo", "zoom_toggle", "zoom_reveal", "zoom", "reset" ] for component in components: self.ui[component] = self.builder.get_object("%s_%s" % (self.id, component)) self.menu_popover = self.ui["popovermenu"] # Set up tools self.tools = [ Contrast.Contrast(), Tonemap.Tonemap(), Details.Details(), Colours.Colours(), HueEqualiser.HueEqualiser(), BlackWhite.BlackWhite(), ] self.tool_map = {} for tool in self.tools: self.ui["tools"].add(tool.tool_button) self.ui["tool_stack"].add(tool.widget) self.tool_map[tool.tool_button] = tool tool.tool_button.connect("clicked", self.on_tool_button_clicked) tool.connect_on_change(self.on_tool_change) # Set the first tool to active self.tools[0].tool_button.set_active(True) self.ui["tools"].show_all() # Disable ui components by default self.ui["original_toggle"].set_sensitive(False) self.ui["export_image"].set_sensitive(False) # Setup editor variables self.is_editing = False self.has_loaded = False self.image_path = "" self.bit_depth = 8 self.image = None self.original_image = None self.pwidth = 0 self.pheight = 0 self.awidth = 0 self.aheight = 0 self.pimage = None self.poriginal = None self.change_occurred = False self.additional_change_occurred = False self.running_stack = False self.upper_peak_on = False self.lower_peak_on = False self.is_exporting = False self.is_zooming = False self.undo_stack = [] self.undo_position = 0 self.undoing = False # Setup Open Dialog self.ui["open_window"].set_transient_for(self.root) self.ui["open_window"].set_titlebar(self.ui["open_header"]) # Connect UI signals self.ui["open_button"].connect("clicked", self.on_open_clicked) self.ui["preview"].connect("draw", self.on_preview_draw) self.ui["original_toggle"].connect("toggled", self.on_preview_toggled) self.ui["upper_peak_toggle"].connect("toggled", self.on_upper_peak_toggled) self.ui["lower_peak_toggle"].connect("toggled", self.on_lower_peak_toggled) self.ui["show_hist"].connect("toggled", self.toggle_hist) self.ui["export_image"].connect("clicked", self.on_export_clicked) self.ui["open_open_button"].connect("clicked", self.on_file_opened) self.ui["open_cancel_button"].connect("clicked", self.on_file_canceled) self.ui["zoom_toggle"].connect("toggled", self.on_zoom_toggled) self.ui["zoom"].connect("value-changed", self.on_zoom_changed) self.ui["undo"].connect("clicked", self.on_undo) self.ui["redo"].connect("clicked", self.on_redo) self.ui["reset"].connect("clicked", self.on_reset) def on_tool_button_clicked(self, sender): if(sender.get_active()): self.ui["tool_stack"].set_visible_child(self.tool_map[sender].widget) for key in self.tool_map: if(key != sender): key.set_active(False) elif(self.ui["tool_stack"].get_visible_child() == self.tool_map[sender].widget): sender.set_active(True) def on_open_clicked(self, sender): self.ui["open_window"].show_all() def on_file_opened(self, sender, path=None): self.has_loaded = False self.image = None self.undo_position = 0 self.undo_stack = [] self.update_undo_state() self.ui["open_window"].hide() self.ui["control_reveal"].set_reveal_child(True) self.ui["control_reveal"].set_sensitive(True) self.ui["original_toggle"].set_sensitive(True) self.ui["export_image"].set_sensitive(True) self.ui["reset"].set_sensitive(True) self.is_editing = True if(path == None): self.image_path = self.ui["open_chooser"].get_filename() else: self.image_path = path w = (self.ui["scroll_window"].get_allocated_width() - 12) * self.ui["zoom"].get_value() h = (self.ui["scroll_window"].get_allocated_height() - 12) * self.ui["zoom"].get_value() self.show_message("Loading Photo…", "Please wait while PhotoFiddle loads your photo", True) self.root.get_titlebar().set_subtitle("%s…" % (self.image_path)) thread = threading.Thread(target=self.open_image, args=(w, h)) thread.start() def on_zoom_toggled(self, sender): state = sender.get_active() self.ui["zoom_reveal"].set_reveal_child(state) if(not state): self.ui["zoom"].set_value(1) def on_zoom_changed(self, sender): threading.Thread(target=self.zoom_delay).start() def zoom_delay(self): if(not self.is_zooming): self.is_zooming = True time.sleep(0.5) GLib.idle_add(self.on_preview_draw, None, None) self.is_zooming = False def on_file_canceled(self, sender): self.ui["open_window"].hide() def on_preview_draw(self, sender, arg): if(self.is_editing): w = (self.ui["scroll_window"].get_allocated_width() - 12) * self.ui["zoom"].get_value() h = (self.ui["scroll_window"].get_allocated_height() - 12) * self.ui["zoom"].get_value() if(self.pheight != h) or (self.pwidth != w): thread = threading.Thread(target=self.resize_preview, args=(w, h)) thread.start() def on_preview_toggled(self, sender): if(sender.get_active()): threading.Thread(target=self.draw_hist, args=(self.original_image,)).start() self.show_original() else: threading.Thread(target=self.draw_hist, args=(self.image,)).start() self.show_current() def toggle_hist(self, sender): show = sender.get_active() self.ui["histogram_reveal"].set_reveal_child(show) def on_open(self, path): self.root.get_titlebar().set_subtitle("Raster Editor") if(path != None): # We have been sent here from another # activity, clear any existing profiles self.image_path = path dataPath = self.get_data_path() if(os.path.exists(dataPath)): os.unlink(dataPath) self.on_file_opened(None, path) def on_exit(self): if(self.is_exporting): return False else: fname = "/tmp/phf2-preview-%s.png" % getpass.getuser() if (os.path.exists(fname)): os.unlink(fname) self.root.get_titlebar().set_subtitle("") self.on_init() return True def show_original(self): self.ui["preview"].set_from_pixbuf(self.poriginal) if (not self.ui["original_toggle"].get_active()): self.ui["original_toggle"].set_active(True) def show_current(self): self.ui["preview"].set_from_pixbuf(self.pimage) if (self.ui["original_toggle"].get_active()): self.ui["original_toggle"].set_active(False) def on_tool_change(self, tool, property): if(self.has_loaded): if(not self.change_occurred): self.change_occurred = True thread = threading.Thread(target=self.update_image) thread.start() else: self.additional_change_occurred = True def on_lower_peak_toggled(self, sender): self.lower_peak_on = sender.get_active() if (self.lower_peak_on): thread = threading.Thread(target=self.process_peaks, args=(True,)) thread.start() else: thread = threading.Thread(target=self.update_image, args=(True,)) thread.start() def on_upper_peak_toggled(self, sender): self.upper_peak_on = sender.get_active() if (self.lower_peak_on): thread = threading.Thread(target=self.process_peaks, args=(True,)) thread.start() else: thread = threading.Thread(target=self.update_image, args=(True,)) thread.start() def image_opened(self, depth): self.root.get_titlebar().set_subtitle("%s (%s Bit)" % (self.image_path, depth)) self.hide_message() def on_export_clicked(self, sender): Export.ExportDialog(self.root, self.builder, self.awidth, self.aheight, self.get_export_image, self.on_export_complete, self.image_path) def on_export_complete(self, filename): self.is_exporting = False self.on_export_state_change() self.show_message("Export Complete!", "Your photo has been exported to '%s'" % filename) def on_export_state_change(self): self.ui["control_reveal"].set_sensitive(not self.is_exporting) self.ui["export_image"].set_sensitive(not self.is_exporting) self.ui["open_button"].set_sensitive(not self.is_exporting) def on_export_started(self): self.is_exporting = True self.on_export_state_change() def update_undo_state(self): self.ui["undo"].set_sensitive(self.undo_position > 0) self.ui["redo"].set_sensitive(len(self.undo_stack)-1 > self.undo_position) def on_undo(self, sender): self.undo_position -= 1 self.update_undo_state() self.update_from_undo_stack(self.undo_stack[self.undo_position]) def on_redo(self, sender): self.undo_position += 1 self.update_undo_state() self.update_from_undo_stack(self.undo_stack[self.undo_position]) def on_reset(self, sender): for tool in self.tools: tool.reset() ## Background Tasks ## def open_image(self, w, h): self.load_image_data() try: self.resize_preview(w, h) except: pass while(self.image == None): time.sleep(1) GLib.idle_add(self.image_opened, str(self.image.dtype).replace("uint", "").replace("float", "")) time.sleep(1) self.has_loaded = True def resize_preview(self, w, h): # Inhibit undo stack to prevent # Adding an action on resize self.undoing = True self.original_image = cv2.imread(self.image_path, 2 | 1) height, width = self.original_image.shape[:2] self.aheight = height self.awidth = width self.pheight = h self.pwidth = w # Get fitting size ratio = float(w)/width if(height*ratio > h): ratio = float(h)/height nw = width * ratio nh = height * ratio # Do quick ui resize if(self.image != None) and (os.path.exists("/tmp/phf2-preview-%s.png" % getpass.getuser())): # If we have an edited version, show that self.pimage = GdkPixbuf.Pixbuf.new_from_file_at_scale("/tmp/phf2-preview-%s.png" % getpass.getuser(), int(nw), int(nh), True) GLib.idle_add(self.show_current) self.poriginal = GdkPixbuf.Pixbuf.new_from_file_at_scale(self.image_path, int(nw), int(nh), True) if(self.image == None): # Otherwise show the original GLib.idle_add(self.show_original) # Resize OPENCV Copy self.original_image = cv2.resize(self.original_image, (int(nw), int(nh)), interpolation = cv2.INTER_AREA) self.image = numpy.copy(self.original_image) # Update image if (not self.change_occurred): self.change_occurred = True self.update_image() else: self.additional_change_occurred = True def update_image(self, immediate=False): if(not immediate): time.sleep(0.5) self.additional_change_occurred = False GLib.idle_add(self.start_work) self.image = numpy.copy(self.original_image) self.image = self.run_stack(self.image) if(self.additional_change_occurred): self.update_image() else: self.save_image_data() self.draw_hist(self.image) self.process_peaks() self.update_preview() GLib.idle_add(self.stop_work) self.change_occurred = False self.undoing = False def run_stack(self, image, callback=None): if(not self.running_stack): self.running_stack = True ntools = len(self.tools) count = 1 for tool in self.tools: if(callback != None): # For showing progress callback(tool.name, ntools, count-1) image = tool.on_update(image) count += 1 self.running_stack = False return image else: while(self.running_stack): time.sleep(1) return self.run_stack(image, callback) def update_preview(self): fname = "/tmp/phf2-preview-%s.png" % getpass.getuser() if(os.path.exists(fname)): os.unlink(fname) cv2.imwrite(fname, self.image) self.pimage = GdkPixbuf.Pixbuf.new_from_file(fname) GLib.idle_add(self.show_current) def draw_hist(self, image): path = "/tmp/phf2-hist-%s.png" % getpass.getuser() Histogram.Histogram.draw_hist(image, path) GLib.idle_add(self.update_hist_ui, path) def update_hist_ui(self, path): try: self.ui["histogram"].set_from_pixbuf(GdkPixbuf.Pixbuf.new_from_file(path)) except: pass def process_peaks(self, do_update=False): bpp = float(str(self.image.dtype).replace("uint", "").replace("float", "")) if(self.upper_peak_on): self.image[(self.image == 2 ** bpp - 1).all(axis=2)] = 1 if(self.lower_peak_on): self.image[(self.image == 0).all(axis=2)] = 2 ** bpp - 2 if(do_update): self.update_preview() ## FILE STUFF ## def get_data_path(self): return "%s/.%s.pf2" % ("/".join(self.image_path.split("/")[:-1]), self.image_path.split("/")[-1:][0]) def save_image_data(self): path = self.get_data_path() print(path) f = open(path, "w") toolDict = {} for tool in self.tools: toolDict[tool.id] = tool.get_properties_as_dict() if(not self.undoing) and (self.has_loaded): if(len(self.undo_stack)-1 != self.undo_position): self.undo_stack = self.undo_stack[:self.undo_position+1] if(self.undo_stack[self.undo_position] != toolDict): self.undo_stack += [toolDict,] self.undo_position = len(self.undo_stack)-1 GLib.idle_add(self.update_undo_state) data = { "path":self.image_path, "format-revision":1, "layers": { "base":{ "tools": toolDict } } } f.write(str(data)) f.close() def load_image_data(self): path = self.get_data_path() loadDefaults = True if(os.path.exists(path)): f = open(path, 'r') sdata = f.read() try: data = ast.literal_eval(sdata) if(data["format-revision"] == 1): for tool in self.tools: if(tool.id in data["layers"]["base"]["tools"]): GLib.idle_add(tool.load_properties,data["layers"]["base"]["tools"][tool.id]) self.undo_stack = [data["layers"]["base"]["tools"],] self.undo_position = 0 loadDefaults = False except: GLib.idle_add(self.show_message,"Unable to load previous edits…", "The edit file for this photo is corrupted and could not be loaded.") if(loadDefaults): for tool in self.tools: GLib.idle_add(tool.reset) toolDict = {} for tool in self.tools: toolDict[tool.id] = tool.get_properties_as_dict() self.undo_stack = [toolDict, ] self.undo_position = 0 GLib.idle_add(self.update_undo_state) time.sleep(2) self.undoing = False def update_from_undo_stack(self, data): self.undoing = True for tool in self.tools: if (tool.id in data): tool.load_properties(data[tool.id]) def get_export_image(self, w, h): GLib.idle_add(self.on_export_started) GLib.idle_add(self.show_message, "Exporting Photo", "Please wait…", True, True) img = cv2.imread(self.image_path, 2 | 1) img = cv2.resize(img, (int(w), int(h)), interpolation=cv2.INTER_AREA) img = self.run_stack(img, self.export_progress_callback) GLib.idle_add(self.show_message, "Exporting Photo", "Saving to filesystem…", True, True) GLib.idle_add(self.update_message_progress, 1, 1) return img def export_progress_callback(self, name, count, current): GLib.idle_add(self.show_message, "Exporting Photo", "Processing: %s" % name, True, True) GLib.idle_add(self.update_message_progress, current, count)