def test_contains_point(self):
tobj = Rectangle([100, 100], [300, 300])
self.assertTrue(tobj.contains_point((200, 200)))
self.assertTrue(tobj.contains_point((100, 100)))
self.assertTrue(tobj.contains_point((300, 300)))
self.assertFalse(tobj.contains_point((99, 100)))
self.assertFalse(tobj.contains_point((100, 99)))
self.assertFalse(tobj.contains_point((301, 100)))
self.assertFalse(tobj.contains_point((100, 301)))
class PyDrawCanvas(tk.Canvas):
def __init__(self, master=None, **kwargs):
super().__init__(master=master, **kwargs)
self.elements = []
self.init_events()
self.init_menubar()
self.init_context()
self.set_appicon()
self.set_title()
self.statusbar = None
self.drp_Operation = None
self.selectedObject = None
# region Inits
def set_appicon(self):
self.master.tk.call('wm', 'iconphoto', self.master._w, PhotoImage(file='appicon.png'))
def set_title(self):
self.master.title("PyDraw by Festina Lente Software ")
def init_events(self):
self.focus_set()
self.bind("<Key>", self.on_keypress)
self.bind("<Configure>", self.on_resize)
self.bind("<ButtonPress-1>", self.on_left_click)
self.bind("<B1-Motion>", self.on_drag)
self.bind("<ButtonRelease-1>", self.on_drop)
self.master.protocol('WM_DELETE_WINDOW', self.on_closing)
def init_menubar(self):
self.menubar = MainMenu(self.master, self)
def init_after_pack(self):
self.create_statusbar()
# endregion
# region DrawingContext
def init_context(self):
self.drawing_area = Rectangle((0, 0, 1000, 1000))
self.canvas_area = Rectangle((0, 0, self.winfo_width(), self.winfo_height()))
self.drawing_context = DrawingContext(orig=self.drawing_area, target=self.canvas_area, border=0.05)
def transposeBack(self, pos):
return self.drawing_context.transposeBack(pos)
def transpose(self, pos):
return self.drawing_context.transpose(pos)
# endregion
# region Events
def on_keypress(self, event):
ec = event.char
ek = event.keysym
if ek == 'Escape':
self.selectedObject = None
def on_resize(self, event):
self.canvas_area = Rectangle((0, 0, self.winfo_width(), self.winfo_height()))
self.drawing_context.target_rect = self.canvas_area
self.redraw()
def on_left_click(self, event):
x, y = event.x, event.y
d_point = self.drawing_context.transposeBack(Point(x, y))
if not self.drawing_area.contains_point(d_point):
# ignore outside border
return
if self.selectedObject:
self.drp_Operation = Drp_MoveObject(self, Point(x, y), self.selectedObject)
else:
newLine = LineElement(start=d_point, end=d_point + (1, 1))
self.add_element(newLine)
self.redraw()
self.drp_Operation = Drp_DrawLine(self, Point(x, y), newLine)
self.selectedObject = newLine
def on_object_click(self, object, event):
self.selectedObject = object
# print(f"on_object_click: event={event},object={object}")
def on_closing(self):
if not messagebox.askokcancel(
'Exit Tool',
'Do you really want to exit this tool?'):
return
self.master.destroy()
def on_drag(self, event):
if self.drp_Operation:
self.drp_Operation.on_drag((event.x, event.y))
def on_drop(self, event):
if self.drp_Operation:
self.drp_Operation.on_drop((event.x, event.y))
self.drp_Operation = None
# endregion
# region Elements
def add_element(self, drawing_element):
self.elements.append(drawing_element)
self.redraw()
def new_drawing(self):
self.setStatusMessage(text='Creating new drawing')
self.elements = []
self.redraw()
self.setStatusMessage(text='Created new drawing', resetInSecs=5)
# endregion
# region Drawing
def redraw(self):
self.delete("all")
self.draw_border()
for element in self.elements:
element.draw_on_canvas(self, self.drawing_context)
def draw_border(self):
ctx = self.drawing_context
p1 = ctx.transpose(self.drawing_area.start)
p3 = ctx.transpose(self.drawing_area.end)
p2, p4 = Point(p1.x, p3.y), Point(p3.x, p1.y)
points = [p1, p2, p3, p4, p1]
flat_points = [item for p in points for item in p.xy]
self.create_line(*flat_points)
# endregion
# region Statusbar
def create_statusbar(self):
self.statusbar = StatusBar(master=self.master)
self.statusbar.pack(fill=tk.X)
def setStatusMessage(self, **kwargs):
if self.statusbar:
self.statusbar.setMessage(**kwargs)
else:
txt = kwargs.get("text", "")
print(f'{datetime.now()} Status: {txt}')
def setProgress(self, **kwargs):
if self.statusbar:
self.statusbar.setProgress(**kwargs)
else:
ptext = kwargs.get('text', '')
value = kwargs.get('value', 0)
range = kwargs.get('maximum', 0)
progr = "" if not value \
else f'[{value}]' if not range \
else f'[{value}/{range}]'
print(f'{datetime.now()} Progress: {progr} - {ptext}')
