def __init__(self, cnvs, history_list_va):
super(HistoryOverlay, self).__init__(cnvs)
self.trail_colour = conversion.hex_to_frgb(gui.FG_COLOUR_HIGHLIGHT)
self.pos_colour = conversion.hex_to_frgb(gui.FG_COLOUR_EDIT)
self.fade = True # Fade older positions in the history list
self.history = history_list_va # ListVA of (center, size) tuples
self.history.subscribe(self._on_history_update)
def __init__(self, cnvs, history_list_va):
super(HistoryOverlay, self).__init__(cnvs)
self.trail_colour = conversion.hex_to_frgb(gui.FG_COLOUR_HIGHLIGHT)
self.pos_colour = conversion.hex_to_frgb(gui.FG_COLOUR_EDIT)
self.fade = True # Fade older positions in the history list
self.history = history_list_va # ListVA of (center, size) tuples
self.history.subscribe(self._on_history_update)
def __init__(self, cnvs, spot_va=None):
self.colour = conversion.hex_to_frgb(gui.FG_COLOUR_EDIT)
self.highlight = conversion.hex_to_frgb(gui.FG_COLOUR_HIGHLIGHT)
# Rendering attributes
self._sect_count = 4
self._gap = 0.15
self._sect_width = 2.0 * math.pi / self._sect_count
self._spot_radius = 12
# Spot position as a percentage (x, y) where x and y [0..1]
self.r_pos = spot_va or TupleVA((0.5, 0.5))
self.r_pos.subscribe(self.on_spot_change)
def __init__(self, cnvs, spot_va=None):
self.colour = conversion.hex_to_frgb(gui.FG_COLOUR_EDIT)
self.highlight = conversion.hex_to_frgb(gui.FG_COLOUR_HIGHLIGHT)
# Rendering attributes
self._sect_count = 4
self._gap = 0.15
self._sect_width = 2.0 * math.pi / self._sect_count
self._spot_radius = 12
# Spot position as a percentage (x, y) where x and y [0..1]
self.r_pos = spot_va or TupleVA((0.5, 0.5))
self.r_pos.subscribe(self.on_spot_change)
def __init__(self, cnvs):
super(PointsOverlay, self).__init__(cnvs)
# A VA tracking the selected point
self.point = None
# The possible choices for point as a world pos => point mapping
self.choices = {}
self.min_dist = None
# Appearance
self.point_colour = conversion.hex_to_frgb(
gui.FG_COLOUR_HIGHLIGHT)
self.select_colour = conversion.hex_to_frgba(
gui.FG_COLOUR_EDIT, 0.5)
self.dot_colour = (0, 0, 0, 0.1)
# The float radius of the dots to draw
self.dot_size = MIN_DOT_RADIUS
# None or the point over which the mouse is hovering
self.cursor_over_point = None
# The box over which the mouse is hovering, or None
self.b_hover_box = None
self.offset = None
self.enabled = False
def __init__(self, cnvs):
super(PolarOverlay, self).__init__(cnvs)
self.canvas_padding = 0
# self.cnvs.canDrag = False
# Rendering attributes
self.center_x = None
self.center_y = None
self.radius = None
self.inner_radius = None
self.tau = 2 * math.pi
self.num_ticks = 6
self.ticks = []
self.ticksize = 10
# Value attributes
self.px, self.py = None, None
self.tx, self.ty = None, None
self.colour = conversion.hex_to_frgb(gui.SELECTION_COLOUR)
self.colour_drag = conversion.hex_to_frgba(gui.SELECTION_COLOUR, 0.5)
self.colour_highlight = conversion.hex_to_frgb(gui.FG_COLOUR_HIGHLIGHT)
self.intensity_label = self.add_label("",
align=wx.ALIGN_CENTER_HORIZONTAL,
colour=self.colour_highlight)
self.phi = None # Phi angle in radians
self.phi_line_rad = None # Phi drawing angle in radians (is phi -90)
self.phi_line_pos = None # End point in pixels of the Phi line
self.phi_label = self.add_label("",
colour=self.colour,
align=wx.ALIGN_CENTER_HORIZONTAL
| wx.ALIGN_BOTTOM)
self.theta = None # Theta angle in radians
self.theta_radius = None # Radius of the theta circle in pixels
self.theta_label = self.add_label("",
colour=self.colour,
align=wx.ALIGN_CENTER_HORIZONTAL)
self.intersection = None # The intersection of the cirle and line in
# pixels
self.dragging = False
# Calculate the characteristic values for the first time
self.on_size()
def __init__(self, cnvs):
super(PolarOverlay, self).__init__(cnvs)
self.canvas_padding = 0
# self.cnvs.canDrag = False
# Rendering attributes
self.center_x = None
self.center_y = None
self.radius = None
self.inner_radius = None
self.tau = 2 * math.pi
self.num_ticks = 6
self.ticks = []
self.ticksize = 10
# Value attributes
self.px, self.py = None, None
self.tx, self.ty = None, None
self.colour = conversion.hex_to_frgb(gui.SELECTION_COLOUR)
self.colour_drag = conversion.hex_to_frgba(gui.SELECTION_COLOUR, 0.5)
self.colour_highlight = conversion.hex_to_frgb(
gui.FG_COLOUR_HIGHLIGHT)
self.intensity_label = self.add_label(
"", align=wx.ALIGN_CENTER_HORIZONTAL,
colour=self.colour_highlight)
self.phi = None # Phi angle in radians
self.phi_line_rad = None # Phi drawing angle in radians (is phi -90)
self.phi_line_pos = None # End point in pixels of the Phi line
self.phi_label = self.add_label("", colour=self.colour,
align=wx.ALIGN_CENTER_HORIZONTAL | wx.ALIGN_BOTTOM)
self.theta = None # Theta angle in radians
self.theta_radius = None # Radius of the theta circle in pixels
self.theta_label = self.add_label("", colour=self.colour,
align=wx.ALIGN_CENTER_HORIZONTAL)
self.intersection = None # The intersection of the cirle and line in
# pixels
self.dragging = False
# Calculate the characteristic values for the first time
self.on_size()
def change_brightness(colour, weight):
""" Brighten or darken a given colour
See also wx.lib.agw.aui.aui_utilities.StepColour() and Colour.ChangeLightness() from 3.0
colf (tuple of 3+ 0<float<1): RGB colour (and alpha)
weight (-1<float<1): how much to brighten (>0) or darken (<0)
return (tuple of 3+ 0<float<1): new RGB colour
:type colf: tuple
:type weight: float
:rtype : tuple
"""
_alpha = None
if isinstance(colour, basestring):
_col = hex_to_frgb(colour)
_alpha = None
elif isinstance(colour, tuple):
if all([isinstance(v, float) for v in colour]):
_col = colour[:3]
_alpha = colour[-1] if len(colour) == 4 else None
elif all([isinstance(v, int) for v in colour]):
_col = rgb_to_frgb(colour[:3])
_alpha = colour[-1] if len(colour) == 4 else None
else:
raise ValueError("Unknown colour format (%s)" % (colour, ))
elif isinstance(colour, wx.Colour):
_col = wxcol_to_frgb(colour)
_alpha = None
else:
raise ValueError("Unknown colour format")
if weight > 0:
# blend towards white
f, lim = min, 1.0
else:
# blend towards black
f, lim = max, 0.0
weight = -weight
new_fcol = tuple(f(c * (1 - weight) + lim * weight, lim) for c in _col[:3])
return new_fcol + (_alpha, ) if _alpha is not None else new_fcol
def test_text_view_overlay_size(self):
cnvs = canvas.BitmapCanvas(self.panel)
self.add_control(cnvs, wx.EXPAND, proportion=1, clear=True)
ol = vol.TextViewOverlay(cnvs)
cnvs.add_view_overlay(ol)
for f in (False, True):
msg = "TextViewOverlay sizes test {} flip"
size = 0
y = 0
for i in range(10):
y += 12 + size
size = 10 + i * 3
ol.add_label(msg.format("with" if f else "without"),
font_size=size, pos=(0, y), flip=f,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.clear_labels()
def test_text_view_overlay_align(self):
cnvs = canvas.BitmapCanvas(self.panel)
self.add_control(cnvs, wx.EXPAND, proportion=1, clear=True)
ol = vol.TextViewOverlay(cnvs)
cnvs.add_view_overlay(ol)
ol.add_label("TextViewOverlay left",
pos=(ol.view_width / 2, 10),
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("TextViewOverlay right",
pos=(ol.view_width / 2, 26),
align=wx.ALIGN_RIGHT,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("TextViewOverlay center",
pos=(ol.view_width / 2, 42),
align=wx.ALIGN_CENTER_HORIZONTAL,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("|",
pos=(ol.view_width / 2, 58),
align=wx.ALIGN_CENTER_HORIZONTAL,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
ol.add_label("|",
pos=(ol.view_width / 2, 74),
align=wx.ALIGN_CENTER_HORIZONTAL,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
ol.add_label("Relative to the center",
pos=(ol.view_width / 2, 90),
align=wx.ALIGN_CENTER_HORIZONTAL,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
# Example on how a right aligned label can be kept on the right on resize
def realign(evt):
for label in ol.labels:
label.pos = (ol.view_width / 2, label.pos[1])
evt.Skip()
cnvs.Bind(wx.EVT_SIZE, realign)
ol.canvas_padding = 0
ol.add_label("top left",
pos=(0, 0),
align=wx.ALIGN_LEFT,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("top right",
pos=(ol.view_width, 0),
align=wx.ALIGN_RIGHT,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("bottom left",
pos=(0, ol.view_height),
align=wx.ALIGN_BOTTOM,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("bottom right",
pos=(ol.view_width, ol.view_height),
align=wx.ALIGN_RIGHT | wx.ALIGN_BOTTOM,
flip=False,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("SHOULD NOT BE SEEN!",
pos=(ol.view_width, ol.view_height / 2),
align=wx.ALIGN_LEFT,
flip=False,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
ol.add_label("Visible because of flip",
pos=(ol.view_width, ol.view_height / 2),
align=wx.ALIGN_LEFT,
flip=True,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
def test_text_view_overlay_rotate(self):
cnvs = canvas.BitmapCanvas(self.panel)
self.add_control(cnvs, wx.EXPAND, proportion=1, clear=True)
ol = vol.TextViewOverlay(cnvs)
ol.canvas_padding = 0
cnvs.add_view_overlay(ol)
# Text should exactly overlap
rl = ol.add_label(u"█ you should only see red",
pos=(0, 0),
font_size=20,
deg=0,
flip=False,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(50)
sl = ol.add_label(u"█ you should only see red",
pos=(0, 0),
font_size=20,
colour=(1, 0, 0),
align=wx.ALIGN_LEFT)
test.gui_loop(100)
self.assertEqual(rl.render_pos, sl.render_pos)
ol.clear_labels()
ol.add_label(u"█ no rotate",
pos=(200, 0),
font_size=20,
colour=(1, 0, 0),
align=wx.ALIGN_LEFT)
tl = ol.add_label(u"█ rotate left",
pos=(200, 25),
font_size=20,
deg=0,
flip=False,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
tr = ol.add_label(u"rotate right █",
pos=(200, 50),
font_size=20,
align=wx.ALIGN_RIGHT,
deg=0,
flip=False,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
tc = ol.add_label(u"rotate center █",
pos=(200, 75),
font_size=20,
align=wx.ALIGN_CENTRE_HORIZONTAL,
deg=0,
flip=False,
colour=hex_to_frgb(gui.FG_COLOUR_EDIT))
test.gui_loop(1000)
for l in (tl, tr, tc):
l.deg = 15
test.gui_loop(500)
cnvs.Refresh()
