def draw_image(self, x, y, dx, dy, scale, png_data):
png_stream = io.StringIO(png_data)
image = wx.ImageFromStream(png_stream)
w = image.GetWidth()
h = image.GetHeight()
(x_scale, y_scale) = self._scale_image(x, y, dx, dy, scale, w, h)
if scale < 4:
image.Rescale(w * x_scale, h * y_scale)
bmp = image.ConvertToBitmap()
w = image.GetWidth()
h = image.GetHeight()
self.ctx.DrawBitmap(bmp, x, y, w, h)
else:
delta_x = 0
delta_y = 0
while delta_y < dy:
if scale == 4 and delta_y > 0:
break
delta_x = 0
bmp = image.ConvertToBitmap()
while delta_x < dx:
if scale == 5 and delta_x > 0:
break
self.ctx.DrawBitmap(bmp, x + delta_x, y + delta_y, w, h)
delta_x += w
delta_y += h
BaseDc.draw_image(self, x, y, dx, dy, scale, png_data)
def draw_image(self, x, y, dx, dy, scale, png_data):
png_stream = io.BytesIO(png_data)
image = PIL.Image.open(png_stream)
w, h = image.size
(x_scale, y_scale) = self._scale_image(
x,
y,
dx,
dy,
scale,
w,
h,
)
if scale < 4:
if scale != 0 and x_scale < 0.25 and y_scale < 0.25:
image.thumbnail((4 * w * x_scale, 4 * h * y_scale),
PIL.Image.ANTIALIAS)
file_name = get_temp_filename("temp.png")
image.save(file_name, "PNG")
self.dc.image(file_name, x, y, w * x_scale, h * y_scale)
os.remove(file_name)
else:
pass
BaseDc.draw_image(self, x, y, dx, dy, scale, png_data)
