def average_hash_and_sizes(self):
height = 0
width = 0
if isJython():
image = ImageIO.read(File(self.image_path))
height = image.getHeight()
width = image.getWidth()
newImage = BufferedImage(self.hash_size, self.hash_size,
BufferedImage.TYPE_INT_ARGB)
g = newImage.createGraphics()
g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BICUBIC)
g.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY)
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON)
g.drawImage(image, 0, 0, self.hash_size, self.hash_size, None)
g.dispose()
allchannelpixels = [[], [], [], []]
for i in range(self.hash_size):
for j in range(self.hash_size):
pixel = int(newImage.getRGB(i, j))
allchannelpixels[0].append((pixel >> 16) & 0xFF)
allchannelpixels[1].append((pixel >> 8) & 0xFF)
allchannelpixels[2].append((pixel) & 0xFF)
allchannelpixels[3].append((pixel >> 24) & 0xFF)
elif isIronPython():
srcImage = Bitmap(self.image_path)
height = srcImage.Height
width = srcImage.Width
newImage = Bitmap(self.hash_size, self.hash_size)
gr = Graphics.FromImage(newImage)
gr.SmoothingMode = Drawing2D.SmoothingMode.AntiAlias
gr.InterpolationMode = Drawing2D.InterpolationMode.HighQualityBicubic
gr.PixelOffsetMode = Drawing2D.PixelOffsetMode.HighQuality
gr.DrawImage(srcImage,
Rectangle(0, 0, self.hash_size, self.hash_size))
allchannelpixels = [[], [], [], []]
for i in range(self.hash_size):
for j in range(self.hash_size):
pixel = newImage.GetPixel(i, j)
allchannelpixels[0].append(int(pixel.R))
allchannelpixels[1].append(int(pixel.G))
allchannelpixels[2].append(int(pixel.B))
allchannelpixels[3].append(int(pixel.A))
else:
self.image = Image.open(self.image_path)
width, height = self.image.size
image = self.image.resize((self.hash_size, self.hash_size),
Image.ANTIALIAS)
# image.show()
allchannelpixels = [
list(channel.getdata()) for channel in image.split()
]
bits = []
for pixels in allchannelpixels:
bits.append(self.getBitString(pixels))
return bits, width, height
