def MakeLutImage(self, size=None):
if size is None:
w, h = self.GetClientSize()
else:
w, h = size
s = self.LutData.get_lut(self.lut_index)
so = np.zeros(256, dtype=np.uint8)
so.fill(255)
image = wx.EmptyImage(256, 1)
image.SetData(s)
image.SetAlphaData(so.tostring())
self.img_lut = image
def GetBitmap_from_np_array(np_img_2d):
fig = plt.figure()
# remember to make sure this is our convention in (x, y) vs (row, col)
plt.imshow(numpy.transpose(np_img_2d), interpolation="nearest")
fig.canvas.draw()
width, height = fig.canvas.get_width_height()
np_buf = numpy.fromstring(fig.canvas.tostring_rgb(), dtype=numpy.uint8)
np_buf.shape = (width, height, 3)
np_buf = numpy.roll(np_buf, 3, axis=2)
image = wx.EmptyImage(width, height)
image.SetData(np_buf)
# image.SetData( np_buf.tostring()) # looks like there is no need to convert
wxBitmap = image.ConvertToBitmap()
return wxBitmap
def __init__(self, monitor = 1, isImageLock = True):
self.isImageLock = isImageLock
# Create the frame
#wx.Frame.__init__(self,None,-1,'SLM window',pos = (self._x0, self._y0), size = (self._resX, self._resY))
self.SetMonitor(monitor)
# Set the frame to the position and size of the target monito
wx.Frame.__init__(self,None,-1,'SLM window',pos = (self._x0, self._y0), size = (self._resX, self._resY))
self.img = wx.EmptyImage(2,2)
self.bmp = self.img.ConvertToBitmap()
self.clientSize = self.GetClientSize()
# Update the image upon receiving an event EVT_NEW_IMAGE
self.Bind(EVT_NEW_IMAGE, self.UpdateImage)
# Set full screen
self.ShowFullScreen(not self.IsFullScreen(), wx.FULLSCREEN_ALL)
self.SetFocus()
def CreationImage(self, tailleImages, r, v, b, IDcategorie):
""" Création des images pour le TreeCtrl """
colFond = couleurFondWidgets
if 'phoenix' in wx.PlatformInfo:
bmp = wx.Image(tailleImages[0], tailleImages[1], True)
bmp.SetRGB((0, 0, 16, 16), colFond[0], colFond[1], colFond[2])
bmp.SetRGB((3, 3, 10, 10), 0, 0, 0)
bmp.SetRGB((4, 4, 8, 8), r, v, b)
else:
bmp = wx.EmptyImage(tailleImages[0], tailleImages[1], True)
bmp.SetRGBRect((0, 0, 16, 16), colFond[0], colFond[1], colFond[2])
bmp.SetRGBRect((3, 3, 10, 10), 0, 0, 0)
bmp.SetRGBRect((4, 4, 8, 8), r, v, b)
return bmp.ConvertToBitmap()
def __init__(self, frm):
#__init__(self, String name, long type=BITMAP_TYPE_ANY, int index=-1)
#self.widget=wx.Image("/home/nchy13/Desktop/1.png",BITMAP_TYPE_ANY,-1)
#self.widget.Create(100,200,clear=True)
self.panel = frm.panel
#self.bit=wx.Bitmap(path)
#self.depth=self.bit.GetDepth()
#self.height=self.bit.GetHeight()
self.PhotoMaxSize = 500
self.img = wx.EmptyImage(550, 550)
self.inter = wx.BitmapFromImage(self.img)
self.widget = wx.StaticBitmap(frm.panel, -1, self.inter)
def __init__(self, parent, id, img):
wx.Panel.__init__(self, parent, id)
self.SetBackgroundColour("white")
# Make a non-transparend image with white background
background = Image.new("RGB", img.size, (255,255,255))
background.paste(img, mask=img.split()[3])
wximg = wx.EmptyImage(*background.size)
wximg.SetData(background.convert('RGB').tobytes())
wxbmp = wx.BitmapFromImage(wximg)
sizer = wx.BoxSizer()
self.img_control = wx.StaticBitmap(self, -1, wxbmp, (0,0))
sizer.Add(self.img_control, 1, wx.EXPAND)
self.SetSizer(sizer)
sizer.Fit(parent)
def layout(self):
"""
Layout the widgets on the panel
"""
self.mainSizer = wx.GridSizer(rows=1, cols=1, hgap=5, vgap=5)
self.images = []
img = wx.EmptyImage(self.photoMaxSize, self.photoMaxSize)
self.imageCtrl = wx.StaticBitmap(self, wx.ID_ANY,
wx.BitmapFromImage(img))
self.mainSizer.Add(self.imageCtrl, 0, wx.ALIGN_CENTER, 5)
self.SetSizer(self.mainSizer)
def ConvertTailleImage(self, bitmap=None, taille=None):
""" Convertit la taille d'une image """
if 'phoenix' in wx.PlatformInfo:
img = wx.Image(taille[0], taille[1], True)
img.SetRGB((0, 0, taille[0], taille[1]), 255, 255, 255)
else:
img = wx.EmptyImage(taille[0], taille[1], True)
img.SetRGBRect((0, 0, taille[0], taille[1]), 255, 255, 255)
bmp = img.ConvertToBitmap()
dc = wx.MemoryDC()
dc.SelectObject(bmp)
dc.DrawBitmap(bitmap, taille[0] / 2.0 - bitmap.GetSize()[0] / 2.0,
taille[1] / 2.0 - bitmap.GetSize()[1] / 2.0)
dc.SelectObject(wx.NullBitmap)
return bmp
def SetwxImageData(numpyarray):
"""
#本程序将numpyarray的数据加载到wxImage中
#numpyarray一般从文件中读取
#>>from matplotlib.pyplot import imread
#>>numpyarray=imread(filename)
#numpyarray必须是2维灰度图像或3维数组(R,G,B)
#本程序的作用是可以将修改后的numpyarray加载到image中
"""
import array
nasize = len(numpyarray.shape) #测试数组的位数
if nasize == 2:
Height, Width = numpyarray.shape
wximage = wx.EmptyImage(Width, Height)
Data = numpy.empty([Height, Width, 3], dtype='byte')
Data[:, :, 0] = numpyarray
Data[:, :, 1] = numpyarray
Data[:, :, 2] = numpyarray
wximage.SetData(numpy.flipud(Data).tostring())
elif nasize == 3:
Height, Width, dim = numpyarray.shape
wximage = wx.EmptyImage(Width, Height)
if dim == 3: #保存的是(R,G,B)
#注意下面的代码,一定要将numpyarray上下反转一下
wximage.SetData(numpy.flipud(numpyarray).tostring())
elif dim == 4: #某些格式,较少见
Data = numpy.empty([Height, Width, 3], dtype='byte')
Data[:, :, :] = numpyarray[:, :, 0:3]
wximage.SetData(numpy.flipud(Data).tostring())
elif dim == 1: #其实仍然是灰度图像
Data = numpy.empty([Height, Width, 3], dtype='byte')
Data[:, :, 0] = numpyarray[:, :, 0]
Data[:, :, 1] = numpyarray[:, :, 0]
Data[:, :, 2] = numpyarray[:, :, 0]
wximage.SetData(numpy.flipud(Data).tostring())
return wximage
def __MakeCursor(data):
img = wx.EmptyImage(16, 16)
img.SetMaskColour(255, 0, 0)
for px in range(len(data)):
for py in range(len(data[px])):
val = data[px][py]
if val == 2:
img.SetRGB(px, py, 255, 0, 0)
elif val == 1:
img.SetRGB(px, py, 0, 0, 0)
elif val == 0:
img.SetRGB(px, py, 255, 255, 255)
img.SetOptionInt(wx.IMAGE_OPTION_CUR_HOTSPOT_X, 8)
img.SetOptionInt(wx.IMAGE_OPTION_CUR_HOTSPOT_Y, 8)
return wx.CursorFromImage(img)
def padpiltoimage(pil, width, height, alpha=True):
"""Convert PIL Image to wx.Image."""
output = Image.new("RGBA", (width, height))
output.paste(pil, ((width - pil.size[0]) / 2, (height - pil.size[1]) / 2))
if alpha:
image = apply(wx.EmptyImage, (output.size[0], output.size[1]))
image.SetData(output.convert("RGB").tostring())
image.SetAlphaData(output.convert("RGBA").tostring()[3::4])
else:
image = wx.EmptyImage(output.size[0], output.size[1])
new_image = output.convert('RGB')
data = new_image.tostring()
image.SetData(data)
return image
def _convert_agg_to_wx_image(agg, bbox):
"""
Convert the region of the agg buffer bounded by bbox to a wx.Image. If
bbox is None, the entire buffer is converted.
Note: agg must be a backend_agg.RendererAgg instance.
"""
if bbox is None:
# agg => rgb -> image
image = wx.EmptyImage(int(agg.width), int(agg.height))
image.SetData(agg.tostring_rgb())
return image
else:
# agg => rgba buffer -> bitmap => clipped bitmap => image
return wx.ImageFromBitmap(_WX28_clipped_agg_as_bitmap(agg, bbox))
def __init__(self, parent,title, sock): wx.Frame.__init__(self, parent,title=title, size=(1200,750)) self.SetCursor(wx.StockCursor(wx.CURSOR_PENCIL)) self.panel = wx.Panel(self) self.panel.SetSize((1180,620)) self.myWxImage = wx.EmptyImage( 1180, 620 ) self.imageCtrl = wx.StaticBitmap(self.panel,wx.ID_ANY,wx.BitmapFromImage(self.myWxImage)) self.NH=0 self.NW=0 # hook some mouse events self.imageCtrl.Bind(wx.EVT_LEFT_DOWN, lambda event,sock = sock : self.OnLeftDown(event,sock)) self.imageCtrl.Bind(wx.EVT_RIGHT_DOWN, lambda event,sock = sock : self.OnRightDown(event,sock)) self.imageCtrl.Bind(wx.EVT_LEFT_DCLICK, lambda event,sock = sock : self.OnLeftDouble(event,sock)) self.imageCtrl.Bind(wx.EVT_KEY_DOWN, lambda event,sock = sock : self.self.OnKeyPress(event,sock)) self.Show(True)
def CreateImageView(self):
if self.dev != None:
pil = screenshot(self.dev.id)
else:
bgcolor = (192,192,192)
pil = Image.new('RGB',(360,640),bgcolor)
image = wx.EmptyImage(pil.size[0], pil.size[1])
image.SetData(pil.convert('RGB').tostring())
assert image.IsOk()== True
y = image.GetHeight()
self.scale = 640.0/y
rescale = image.Rescale(360 ,640)
new_png = rescale.ConvertToBitmap()
self.screenshot = wx.StaticBitmap(self, -1, new_png, (0, 0), (new_png.GetWidth(), new_png.GetHeight()))
return self.screenshot
def SetLutIndex(self, lut_index, redraw=1):
self.lut_index = lut_index
s = self.LutData.get_lut(lut_index)
image = wx.EmptyImage(256, 1)
image.SetData(s)
self.img = image
self.MakeLutImage()
w, h = self.GetClientSize()
if 1:
# FIXME this causes problems!!
if self.histo_image is None:
self.buffer = wx.EmptyBitmapRGBA(w, h, 0, 0, 0, 1)
else:
img = wx.EmptyImage(1, 1)
img.SetData("\xff\xff\xff")
img_scaled = img.Scale(w, h)
self.buffer = img_scaled.ConvertToBitmap()
if redraw:
self.UpdateDrawing()
def GetBitmap_from_np_array(data2d):
lc_fig = plt.figure(frameon=False)
xmax = len(data2d[:, 1])
ymax = len(data2d[1, :])
vl_max = np.amax(data2d)
vl_min = np.amin(data2d)
d = vl_max - vl_min
vl_mid_low = vl_min + d / 3.0
vl_mid_hig = vl_max - d / 3.0
lc_fig.set_size_inches(xmax * 0.6, ymax * 0.6)
# lc_fig.set_size_inches(xmax * .2, ymax * .2)
ax = plt.Axes(lc_fig, [0.0, 0.0, 1.0, 1.0])
ax.set_axis_off()
lc_fig.add_axes(ax)
plt.imshow(np.transpose(data2d), interpolation="nearest", cmap="hot")
# print "xmax =", xmax
# print "ymax =", ymax
for xpos in range(xmax):
for ypos in range(ymax):
f_num = data2d[xpos, ypos]
g = float("{0:.2f}".format(float(f_num)))
txt_dat = str(g)
if g < vl_mid_low:
clr_chr = "yellow"
elif g > vl_mid_hig:
clr_chr = "black"
else:
clr_chr = "blue"
# plt.annotate(txt_dat, xy = (xpos - 0.3, ypos + 0.3), xycoords = 'data'
# , color = clr_chr, size = 12.)
lc_fig.canvas.draw()
width, height = lc_fig.canvas.get_width_height()
np_buf = np.fromstring(lc_fig.canvas.tostring_rgb(), dtype=np.uint8)
np_buf.shape = (width, height, 3)
np_buf = np.roll(np_buf, 3, axis=2)
wx_image = wx.EmptyImage(width, height)
wx_image.SetData(np_buf)
wxBitmap = wx_image.ConvertToBitmap()
plt.close(lc_fig)
return wxBitmap
def updateLatestImage(self, event=None, fade=False):
oldMode = self.config['imageMode']
if getattr(self, "wxLatestImage", None) is None:
self.latestImageTime = time.time()
self.loadLatestImage()
if self.config['enableFade']:
self.pilLatestImageOld = self.pilLatestImage
if time.time() - self.latestImageTime > 5:
self.latestImageTime = time.time()
if self.config['enableFade']:
self.pilLatestImageOld = self.pilLatestImage
self.loadLatestImage()
if self.config['enableFade']:
if time.time() - self.pilLatestImageTime < self.config['fadeTime']:
alpha = (time.time() -
self.pilLatestImageTime) / self.config['fadeTime']
try:
pilImage = PImage.blend(self.pilLatestImageOld,
self.pilLatestImage, alpha)
pilImage = pilImage.convert('RGB')
except ValueError:
pilImage = self.pilLatestImage
else:
pilImage = self.pilLatestImage
# Convert to wxImage
wxImage = wx.EmptyImage(*pilImage.size)
wxImage.SetData(pilImage.tostring())
else:
wxImage = self.wxLatestImage
w, h = self._keepAspect(wxImage, self.latestImage)
image = wxImage.Scale(w, h, self.config['imageQuality'])
w2, h2 = self.latestImage.GetSize()
image.Resize(self.latestImage.GetSize(), ((w2 - w) / 2, (h2 - h) / 2),
0, 0, 0)
bitmap = Bitmap(image)
dc = ClientDC(self.latestImage)
dc.DrawBitmap(bitmap, 0, 0)
if oldMode != self.config['imageMode']:
if self.config['verbose']:
print "Image mode changed, triggering description update"
wx.CallAfter(self.updateImageDescription)
def drawBkg(self):
if self.bw:
self.bkgclr = (255,255,255)
else:
self.bkgclr = self.options.clrbackground
self.SetBackgroundColour(self.bkgclr)
tableclr = self.options.clrtable
if self.bw:
tableclr = (0,0,0)
img = Image.new('RGB', (self.WIDTH, self.HEIGHT), self.bkgclr)
draw = ImageDraw.Draw(img)
BOR = commonwnd.CommonWnd.BORDER
txtclr = (0,0,0)
if not self.bw:
txtclr = self.options.clrtexts
#Title
draw.rectangle(((BOR+self.SMALL_CELL_WIDTH, BOR),(BOR+self.SMALL_CELL_WIDTH+self.TITLE_WIDTH, BOR+self.TITLE_HEIGHT)), outline=(tableclr), fill=(self.bkgclr))
txt = mtexts.txts['HousePercent']
w,h = draw.textsize(txt, self.fntText)
draw.text((BOR+self.SMALL_CELL_WIDTH+(self.CELL_WIDTH-w)/2, BOR+(self.TITLE_HEIGHT-h)/2), txt, fill=txtclr, font=self.fntText)
x = BOR
y = BOR+self.TITLE_HEIGHT+self.SPACE_TITLEY
draw.line((x, y, x+self.TABLE_WIDTH, y), fill=tableclr)
ii = 0
for i in range(len(common.common.Planets)-1):
if self.options.intables and ((i == astrology.SE_URANUS and not self.options.transcendental[chart.Chart.TRANSURANUS]) or (i == astrology.SE_NEPTUNE and not self.options.transcendental[chart.Chart.TRANSNEPTUNE]) or (i == astrology.SE_PLUTO and not self.options.transcendental[chart.Chart.TRANSPLUTO]) or (i == astrology.SE_MEAN_NODE and not self.options.shownodes)):
continue
self.drawline(draw, x, y+ii*self.LINE_HEIGHT, tableclr, i)
ii += 1
#Arabian Parts
if not self.options.intables or (self.options.intables and self.options.showlof):
x = BOR
y = BOR+self.TITLE_HEIGHT+self.SPACE_TITLEY+(self.LINE_NUM)*(self.LINE_HEIGHT)+self.SPACE_ARABIANY
draw.rectangle(((x,y),(x+self.TITLE_WIDTH_ARABIAN, y+self.LINE_HEIGHT)), outline=(tableclr), fill=(self.bkgclr))
self.drawlinelof(draw, x, y, mtexts.txts['MLoF'], self.chart.munfortune.mfortune, tableclr, 0)
wxImg = wx.EmptyImage(img.size[0], img.size[1])
wxImg.SetData(img.tostring())
self.buffer = wx.BitmapFromImage(wxImg)
def pilToBitmap(pil, scaleFactor=1.0):
if parse_version(wx.__version__) < parse_version('4.0.0a1'):
image = wx.EmptyImage(pil.size[0], pil.size[1])
else:
image = wx.Image(pil.size[0], pil.size[1])
# set the RGB values
if hasattr(pil, 'tobytes'):
image.SetData(pil.convert("RGB").tobytes())
image.SetAlphaBuffer(pil.convert("RGBA").tobytes()[3::4])
else:
image.SetData(pil.convert("RGB").tostring())
image.SetAlphaData(pil.convert("RGBA").tostring()[3::4])
image.Rescale(image.Width * scaleFactor, image.Height * scaleFactor)
return image.ConvertToBitmap() # wx.Image and wx.Bitmap are different
def startPreview(self, iPreview, fps=5):
self.__iPreview = iPreview
dc = wx.BufferedPaintDC(self)
self.__dcWidth, self.__dcHeight = dc.GetSize()
del dc
self.__bmp = wx.EmptyBitmap(self.__dcWidth, self.__dcHeight, 24)
self.__img = wx.EmptyImage(self.__dcWidth, self.__dcHeight)
self.Bind(wx.EVT_PAINT, self.__onPaint)
self.Bind(wx.EVT_TIMER, self.__nextFrame)
iPreview.onPreviewInit()
self.__timer = wx.Timer(self)
self.__timer.Start(1000. / fps)
def onBlur(self, event):
matriz = np.matrix([[0.0, 0.2, 0.0], [0.2, 0.2, 0.2], [0.0, 0.2, 0.0]])
factor, ajuste = 1.0, 0.0
img = self.convolucion(matriz, factor, ajuste)
# Conversion
image = wx.EmptyImage(img.size[0], img.size[1])
new_image = img.convert('RGB')
data = new_image.tobytes()
image.SetData(data)
# Fin conversion
fgs = wx.FlexGridSizer(cols=1, hgap=10, vgap=10)
sb1 = wx.StaticBitmap(self.panel, -1, wx.BitmapFromImage(image))
fgs.Add(sb1)
self.panel.SetSizerAndFit(fgs)
self.Fit()
self.Refresh()
def PaneCreateStippleBitmap():
"""
Creates a stipple bitmap to be used in a `wx.Brush`.
This is used to draw sash resize hints.
"""
data = [0, 0, 0, 192, 192, 192, 192, 192, 192, 0, 0, 0]
img = wx.EmptyImage(2, 2)
counter = 0
for ii in xrange(2):
for jj in xrange(2):
img.SetRGB(ii, jj, data[counter], data[counter+1], data[counter+2])
counter = counter + 3
return img.ConvertToBitmap()
def __init__(self, parent, id=-1, style=wx.FULL_REPAINT_ON_RESIZE):
wx.Window.__init__(self, parent, id, style=style)
self.timer = wx.Timer
self.img = wx.EmptyImage(2, 2)
self.bmp = self.img.ConvertToBitmap()
self.clientSize = self.GetClientSize()
self.Bind(wx.EVT_PAINT, self.OnPaint)
#For video support
#------------------------------------------------------------
self.Bind(EVT_NEW_IMAGE, self.OnNewImage)
self.eventLock = None
self.pause = False
def OnLaunch(self, evt):
if not self.actif:
if not self.captcha_selected:
wx.MessageBox("Selectionner le Captcha !", "Donnee manquante")
return
if not self.model_selected:
wx.MessageBox("Selectionner le modele SVM !", "Donnee manquante")
return
self.actif = not self.actif
self.launchButton.SetLabel("Arreter le calcul")
thread.start_new_thread(Break_Captcha_util.break_captcha, (self.model, self.captcha, self.width_picker.GetValue(), self, self.graph_image))
else:
self.launchButton.SetLabel("Relancer le calcul")
self.graph_image = wx.EmptyImage(127,31)
self.actif = not self.actif
def draw_to_wxwindow(self, window, x, y):
import wx
window_dc = getattr(window, "_dc", None)
if window_dc is None:
window_dc = wx.PaintDC(window)
arr = self.convert_to_rgbarray()
image = wx.EmptyImage(self.width, self.height)
image.SetDataBuffer(arr.data)
bmp = wx.BitmapFromImage(image, depth=-1)
# Scale HiDPI images to fit window
bmp.SetSize(window.GetSize())
window_dc.BeginDrawing()
window_dc.DrawBitmap(bmp, x, y)
window_dc.EndDrawing()
def OnLaunchPrediction(self, evt):
if not self.actif:
if not self.captcha_selected:
wx.MessageBox("Selectionner le Captcha !", "Donnee manquante")
return
if not self.model_selected:
wx.MessageBox("Selectionner le modele SVM !", "Donnee manquante")
#return
self.actif = not self.actif
self.launchPredictionButton.SetLabel("Arreter le calcul")
thread.start_new_thread(Hotmail_5_ComputeScores.get_prediction, (self.model, self.captcha, self))
else:
self.launchPredictionButton.SetLabel("Relancer le calcul")
self.graph_image = wx.EmptyImage(127,31)
self.actif = not self.actif
def get_polyregion(points, w, h, border=1):
i = wx.EmptyImage(w + border, h + border)
b = i.WXB
m = wx.MemoryDC(b)
m.Clear()
m.SetBrush(wx.Brush(wx.Color(0,0,0)))
m.SetPen(wx.Pen(wx.Color(0,0,0)))
#ceil(border/2)?
m.DrawRectangle(0,0,w + border, h + border)
m.SetBrush(wx.Brush(wx.Color(255,255,255)))
m.SetPen(wx.Pen(wx.Color(255,255,255)))
m.DrawPolygon(points)
m.SelectObject(wx.NullBitmap)
del m
b.SetMaskColour(wx.Color(0,0,0))
return wx.RegionFromBitmap(b)
def ConvertTailleImage(self, bitmap=None, taille=None):
""" Convertit la taille d'une image """
# Réduction de l'image
bitmap = bitmap.ConvertToImage()
bitmap = bitmap.Rescale(width=taille[0], height=taille[1], quality=wx.IMAGE_QUALITY_HIGH)
bitmap = bitmap.ConvertToBitmap()
# Insertion de l'image sur un fond noir
img = wx.EmptyImage(taille[0], taille[1], True)
img.SetRGBRect((0, 0, taille[0], taille[1]), 0, 0, 0)
bmp = img.ConvertToBitmap()
dc = wx.MemoryDC()
dc.SelectObject(bmp)
dc.DrawBitmap(bitmap, taille[0]/2.0-bitmap.GetSize()[0]/2.0, taille[1]/2.0-bitmap.GetSize()[1]/2.0)
dc.SelectObject(wx.NullBitmap)
return bmp
def GetPolyRegion(points, w, h, border=1):
i = wx.EmptyImage(w + border, h + border)
b = wx.BitmapFromImage(i)
m = wx.MemoryDC(b)
m.Clear()
m.SetBrush(wx.BLACK_BRUSH)
m.SetPen(wx.BLACK_PEN)
m.DrawRectangle(0, 0, w + border, h + border)
m.SetBrush(wx.WHITE_BRUSH)
m.SetPen(wx.Pen(wx.WHITE))
m.DrawPolygon(points)
m.SelectObject(wx.NullBitmap)
b.SetMask(wx.Mask(b, wx.BLACK))
return wx.RegionFromBitmap(b)
def __init__(self, title, size):
wx.App.__init__(self, redirect=False)
self.AppName = "Odemis CLI"
self.frame = wx.Frame(None, title=title, size=size)
self.panel = wx.Panel(self.frame)
self.panel.Bind(wx.EVT_KEY_DOWN, self.OnKey)
# just in case panel doesn't have the focus: also on the frame
# (but it seems in Linux (GTK) frames don't receive key events anyway
self.frame.Bind(wx.EVT_KEY_DOWN, self.OnKey)
self.img = wx.EmptyImage(*size, clear=True)
self.imageCtrl = wx.StaticBitmap(self.panel, wx.ID_ANY, wx.BitmapFromImage(self.img))
self.panel.SetFocus()
self.frame.Show()