def __init__(self, parent, id=-1, style = wx.NO_FULL_REPAINT_ON_RESIZE):
STCTextEditor.TextCtrl.__init__(self, parent, id,bind_left_up_event = False, style=style)
self.Bind(wx.EVT_RIGHT_UP, self.OnRightUp)
accelTbl = wx.AcceleratorTable([(wx.ACCEL_CTRL, ord('A'), wx.ID_SELECTALL),(wx.ACCEL_CTRL, ord('C'), wx.ID_COPY),(wx.ACCEL_CTRL, ord('V'), wx.ID_PASTE)])
self.SetAcceleratorTable(accelTbl)
self._first_input = True
self._input_start_pos = 0
wx.EVT_MOUSE_CAPTURE_LOST(self,self.OnMouseCaptureLost)
def _CreateControl(self, parent, id):
txtCtrl = STCTextEditor.TextCtrl(parent, id, bind_left_up_event = False)
txtCtrl.SetMarginWidth(1, 0) # hide line numbers
txtCtrl.SetReadOnly(True)
txtCtrl.SetEdgeMode(wx.stc.STC_EDGE_NONE)
if wx.Platform == '__WXMSW__':
font = "Courier New"
else:
font = "Courier"
txtCtrl.SetFont(wx.Font(10, wx.DEFAULT, wx.NORMAL, wx.NORMAL, faceName = font))
txtCtrl.SetFontColor(wx.BLACK)
txtCtrl.StyleClearAll()
txtCtrl.UpdateStyles()
wx.EVT_SET_FOCUS(txtCtrl, self.OnFocus)
#fix the bug when double click the file line and show messagebox which cause wxEVT_MOUSE_CAPTURE_LOST problem
wx.EVT_MOUSE_CAPTURE_LOST(txtCtrl,self.OnMouseCaptureLost)
return txtCtrl
def handle_interaction(self, pixel_data):
'''Run a UI that gets an angle from the user'''
import wx
if pixel_data.ndim == 2:
# make a color matrix for consistency
pixel_data = np.dstack((pixel_data, pixel_data, pixel_data))
pd_min = np.min(pixel_data)
pd_max = np.max(pixel_data)
if pd_min == pd_max:
pixel_data[:, :, :] = 0
else:
pixel_data = ((pixel_data - pd_min) * 255.0 / (pd_max - pd_min))
#
# Make a 100 x 100 image so it's manageable
#
isize = 200
i, j, k = np.mgrid[0:isize, 0:int(isize * pixel_data.shape[1] /
pixel_data.shape[0]),
0:3].astype(float)
i *= float(pixel_data.shape[0]) / float(isize)
j *= float(pixel_data.shape[0]) / float(isize)
pixel_data = scind.map_coordinates(pixel_data, (i, j, k))
#
# Make a dialog box that contains the image
#
dialog = wx.Dialog(None, title="Rotate image")
sizer = wx.BoxSizer(wx.VERTICAL)
dialog.SetSizer(sizer)
sizer.Add(
wx.StaticText(dialog,
label="Drag image to rotate, hit OK to continue"), 0,
wx.ALIGN_CENTER_HORIZONTAL)
canvas = wx.StaticBitmap(dialog)
canvas.SetDoubleBuffered(True)
canvas.BackgroundColour = wx.Colour(0, 0, 0, wx.ALPHA_TRANSPARENT)
sizer.Add(
canvas, 0,
wx.ALIGN_CENTER_HORIZONTAL | wx.ALIGN_CENTER_VERTICAL | wx.ALL, 5)
angle = [0]
angle_text = wx.StaticText(dialog, label="Angle: %d" % angle[0])
sizer.Add(angle_text, 0, wx.ALIGN_CENTER_HORIZONTAL)
def imshow():
angle_text.Label = "Angle: %d" % int(angle[0])
angle_text.Refresh()
my_angle = -angle[0] * np.pi / 180.0
transform = np.array([[np.cos(my_angle), -np.sin(my_angle)],
[np.sin(my_angle),
np.cos(my_angle)]])
# Make it rotate about the center
offset = affine_offset(pixel_data.shape, transform)
x = np.dstack((scind.affine_transform(pixel_data[:, :, 0],
transform,
offset,
order=0),
scind.affine_transform(pixel_data[:, :, 1],
transform,
offset,
order=0),
scind.affine_transform(pixel_data[:, :, 2],
transform,
offset,
order=0)))
buff = x.astype(np.uint8).tostring()
bitmap = wx.BitmapFromBuffer(x.shape[1], x.shape[0], buff)
canvas.SetBitmap(bitmap)
imshow()
#
# Install handlers for mouse down, mouse move and mouse up
#
dragging = [False]
initial_angle = [0]
hand_cursor = wx.StockCursor(wx.CURSOR_HAND)
arrow_cursor = wx.StockCursor(wx.CURSOR_ARROW)
def get_angle(event):
center = np.array(canvas.Size) / 2
point = np.array(event.GetPositionTuple())
offset = point - center
return -np.arctan2(offset[1], offset[0]) * 180.0 / np.pi
def on_mouse_down(event):
canvas.Cursor = hand_cursor
dragging[0] = True
initial_angle[0] = get_angle(event) - angle[0]
canvas.CaptureMouse()
wx.EVT_LEFT_DOWN(canvas, on_mouse_down)
def on_mouse_up(event):
if dragging[0]:
canvas.ReleaseMouse()
dragging[0] = False
canvas.Cursor = arrow_cursor
wx.EVT_LEFT_UP(canvas, on_mouse_up)
def on_mouse_lost(event):
dragging[0] = False
canvas.Cursor = arrow_cursor
wx.EVT_MOUSE_CAPTURE_LOST(canvas, on_mouse_lost)
def on_mouse_move(event):
if dragging[0]:
angle[0] = get_angle(event) - initial_angle[0]
imshow()
canvas.Refresh(eraseBackground=False)
wx.EVT_MOTION(canvas, on_mouse_move)
#
# Put the OK and Cancel buttons on the bottom
#
btnsizer = wx.StdDialogButtonSizer()
btn = wx.Button(dialog, wx.ID_OK)
btn.SetDefault()
btnsizer.AddButton(btn)
btn = wx.Button(dialog, wx.ID_CANCEL)
btnsizer.AddButton(btn)
btnsizer.Realize()
sizer.Add(btnsizer, 0, wx.ALIGN_CENTER_HORIZONTAL | wx.ALL, 5)
dialog.Fit()
result = dialog.ShowModal()
dialog.Destroy()
if result == wx.ID_OK:
return angle[0]
raise ValueError("Canceled by user in FlipAndRotate")