def updateBitmap(self):
scale = self.scale * self.imageplugin.scale
x, y = self.imageplugin.getXY(*self.rect.position)
try:
b = numpyimage.numpy2wxBitmap(
self.imageplugin.array,
int(round(x * scale - self.rect.width / 2.0)) + self.border,
int(round(y * scale - self.rect.width / 2.0)) + self.border,
self.rect.width - 2 * self.border,
self.rect.height - 2 * self.border,
self.imageplugin.array.shape[1] * scale,
self.imageplugin.array.shape[0] * scale,
self.imageplugin.valuerange)
except (AttributeError, ValueError):
self.bitmap = None
return
bitmap = wx.EmptyBitmap(*self.rect.size)
dc = wx.MemoryDC()
dc.SelectObject(bitmap)
dc.SetPen(self.pen)
dc.SetBrush(self.brush)
dc.DrawRectangle(0, 0, self.rect.width, self.rect.height)
sourcedc = wx.MemoryDC()
sourcedc.SelectObject(b)
dc.Blit(self.border, self.border, self.rect.width - 2 * self.border,
self.rect.height - 2 * self.border, sourcedc, 0, 0)
sourcedc.SelectObject(wx.NullBitmap)
dc.SelectObject(wx.NullBitmap)
image = bitmap.ConvertToImage()
image.InitAlpha()
size = self.rect.width * self.rect.height
image.SetAlphaData(chr(self.alpha) * size)
self.bitmap = image.ConvertToBitmap()
def updateBitmap(self):
width, height = self.GetSize()
types = [type(i) for i in self.fromrange]
arraytype = None
for t in types:
if issubclass(t, float) or issubclass(t, numpy.floating):
arraytype = numpy.float
break
if arraytype is None:
for t in types:
if t is int or t is long or issubclass(t, numpy.integer):
arraytype = numpy.int
break
if arraytype is None:
raise TypeError
array = numpy.arange(width, dtype=numpy.float)
array.shape = (1, width)
array *= float(self.extrema[1] - self.extrema[0]) / (width - 1)
array += self.extrema[0]
array = array.astype(arraytype)
array = array.repeat(height)
array.shape = height, -1
bitmap = numpyimage.numpy2wxBitmap(array, fromrange=self.fromrange)
self.SetBitmap(bitmap)
def draw(self, dc, region):
regioniterator = wx.RegionIterator(region)
while (regioniterator):
r = regioniterator.GetRect()
bitmap = numpyimage.numpy2wxBitmap(self.array, r.x - self.rect.x,
r.y - self.rect.y, r.width,
r.height, self.rect.width,
self.rect.height,
self.valuerange)
sourcedc = wx.MemoryDC()
sourcedc.SelectObject(bitmap)
dc.Blit(r.x, r.y, r.width, r.height, sourcedc, 0, 0)
sourcedc.SelectObject(wx.NullBitmap)
regioniterator.Next()
