def strip_back_cover(image):
"""
Checks the given image to see if it has the pixel ratio of 2 comic book pages
side by side. If it does NOT, then this method does nothing and the given
image is returned without modification.
But if it does have that magic pixel ratio, then we assume that the 2 pages
are the front and back covers of a comic book (on the right and left halves
of the image, respectively) and we create and return a NEW image that
contains only the front cover (right half) of the original.
If a new image is returned, this method will call Dispose on the original.
"""
if image:
pixel_ratio = float(image.Width) / float(image.Height)
if pixel_ratio < 1.5 and pixel_ratio > 1.2:
# create a new image with the back cover (left half) deleted
new_image = Bitmap(image.Width / 2, image.Height)
graphics = Graphics.FromImage(new_image)
graphics.DrawImage(image, -image.Width / 2, 0)
graphics.Dispose()
image.Dispose()
image = new_image
return image
def __drawPictureThumbnail(self):
# load original image
origImage = Bitmap.FromFile(self.filename, False)
# calculate
size = ThumbnailSize
if self.__dims is None:
self.__dims = (origImage.Width, origImage.Height)
width, height = self.CalcResizedDims(size)
drawWidth, drawHeight = width, height
width, height = max(width, size), max(height, size)
drawXOffset, drawYOffset = (width - drawWidth) / 2, (height -
drawHeight) / 2
# draw new image
newImage = Bitmap(width, height)
g = Graphics.FromImage(newImage)
g.InterpolationMode = InterpolationMode.HighQualityBicubic
g.FillRectangle(Brushes.GhostWhite, 0, 0, width, height)
g.DrawRectangle(Pens.LightGray, 0, 0, width - 1, height - 1)
g.DrawImage(origImage, drawXOffset, drawYOffset, drawWidth, drawHeight)
imageBytes = BitmapToBytes(newImage)
# cleanup
g.Dispose()
newImage.Dispose()
origImage.Dispose()
return imageBytes
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
def resize(self, width, height):
rImg = Bitmap(width, height)
g = Graphics.FromImage(rImg)
g.InterpolationMode = HighQualityBicubic
g.DrawImage(self._bitmap, 0, 0, width, height)
g.Dispose()
self._bitmap.Dispose()
self._bitmap = rImg
def _cli_screenshot(self, path):
bmp = Bitmap(Screen.PrimaryScreen.Bounds.Width,
Screen.PrimaryScreen.Bounds.Height)
graphics = Graphics.FromImage(bmp)
try:
graphics.CopyFromScreen(0, 0, 0, 0, bmp.Size)
finally:
graphics.Dispose()
bmp.Save(path, Imaging.ImageFormat.Jpeg)
def pick(snip=False):
snipper = PickSnipTool(PickSnipTool.take_screenshot(), snip=snip)
while True:
result = snipper.ShowDialog()
if result in [DialogResult.OK, DialogResult.Cancel]:
break
if snipper.mouse_down_seconds == 1:
Mouse.Instance.Click(snipper.mouse_down)
time.sleep(0.5)
snipper.BackgroundImage = PickSnipTool.take_screenshot()
if result == DialogResult.OK and snip:
if snipper.snip_rectangle.Width and snipper.snip_rectangle.Height:
img = Bitmap(
snipper.snip_rectangle.Width,
snipper.snip_rectangle.Height,
)
gr = Graphics.FromImage(img)
gr.DrawImage(
snipper.BackgroundImage,
Rectangle(0, 0, img.Width, img.Height),
snipper.snip_rectangle,
GraphicsUnit.Pixel,
)
fp = MemoryStream()
img.Save(fp, ImageFormat.Png)
return {
'bytes': bytes(bytearray(fp.ToArray())),
}
return {}
elif result == DialogResult.OK:
if (snipper.mouse_down_seconds
and snipper.mouse_down_seconds <= snipper.click_timeout):
Mouse.Instance.Click(snipper.mouse_down)
time.sleep(0.5)
el = AutomationElement.FromPoint(snipper.mouse_up)
result = {
prop.ProgrammaticName.split('.', 1)[-1]:
el.GetCurrentPropertyValue(prop)
for prop in el.GetSupportedProperties()
}
result.update({
'NameProperty':
el.GetCurrentPropertyValue(el.NameProperty),
'ControlTypeProperty':
el.GetCurrentPropertyValue(
el.ControlTypeProperty, ).ProgrammaticName.split('.',
1)[-1],
'AutomationIdProperty':
el.GetCurrentPropertyValue(el.AutomationIdProperty, ),
})
return result
else:
return {}
def take_screenshot():
bounds = Screen.PrimaryScreen.Bounds
screenshot = Bitmap(
bounds.Width,
bounds.Height,
PixelFormat.Format32bppPArgb,
)
graphics = Graphics.FromImage(screenshot)
graphics.CopyFromScreen(0, 0, 0, 0, screenshot.Size)
return screenshot
def __copy_transparent(self, image):
''' Creates a semi-transparent copy of the given image '''
b = Bitmap( image.Width, image.Height )
g = Graphics.FromImage(b)
cm = ColorMatrix()
cm.Matrix33 = 0.3
ia = ImageAttributes()
ia.SetColorMatrix(cm)
g.DrawImage(image, Rectangle(0,0, image.Width, image.Height), 0,0,\
image.Width, image.Height, GraphicsUnit.Pixel, ia)
return b
def take_screenshot(as_bytes=False):
bounds = Screen.PrimaryScreen.Bounds
screenshot = Bitmap(bounds.Width, bounds.Height,
PixelFormat.Format32bppPArgb)
graphics = Graphics.FromImage(screenshot)
graphics.CopyFromScreen(0, 0, 0, 0, screenshot.Size)
if as_bytes:
fp = MemoryStream()
screenshot.Save(fp, ImageFormat.Png)
return bytes(bytearray(fp.ToArray()))
else:
return screenshot
def crop_image(img_path, rectangle_crop):
source_bmp = Bitmap(img_path)
new_img_path = create_img_copy(img_path)
# Without this, images that are not 96 dpi get cropped out of scale
source_bmp.SetResolution(96, 96)
# An empty bitmap which will hold the cropped image
bmp = Bitmap(rectangle_crop.Width, rectangle_crop.Height)
graphic = Graphics.FromImage(bmp)
# Draw the given area (rectangle_crop) of the source_bmp image at location 0,0 on the empty bitmap (bmp)
graphic.DrawImage(source_bmp, 0, 0, rectangle_crop, GraphicsUnit.Pixel)
cropped_img = bmp
cropped_img.Save(new_img_path)
return new_img_path
def __perceptual_hash(image):
''' Returns a 'perceptual' image hash for the given Image. '''
if image is not None:
SIZE = 8
# create ImageAttributes for converting image to greyscale
# see: http://tech.pro/tutorial/660/
# csharp-tutorial-convert-a-color-image-to-grayscale
attr = ImageAttributes()
attr.SetColorMatrix(
ColorMatrix(Array[Array[Single]](( \
(0.3, 0.3, 0.3, 0.0, 0.0),
(.59, .59, .59, 0.0, 0.0),
(.11, .11, .11, 0.0, 0.0),
(0.0, 0.0, 0.0, 1.0, 0.0),
(0.0, 0.0, 0.0, 0.0, 1.0)
)))
)
with Bitmap(SIZE, SIZE, PixelFormat.Format64bppArgb) as small_image:
with Graphics.FromImage(small_image) as g:
# draw image in greyscale in a tiny square
# see: https://www.memonic.com/user/aengus/folder/coding/id/1qVeq
g.CompositingQuality = CompositingQuality.HighQuality
g.SmoothingMode = SmoothingMode.HighQuality
g.InterpolationMode = InterpolationMode.HighQualityBicubic
g.DrawImage(image, Rectangle(0, 0, SIZE,
SIZE), 0, 0, image.Width,
image.Height, GraphicsUnit.Pixel, attr)
# convert image pixels into bits, where 1 means pixel is greater
# than image average, and 0 means pixel is less than average.
# return bits as a single long value
pixels = [
small_image.GetPixel(x, y).R for x in range(SIZE)
for y in range(SIZE)
]
average = reduce(lambda x, y: x + y, pixels) / float(
len(pixels))
bits = map(lambda x: 1 if x > average else 0, pixels)
return reduce(lambda x, (i, val): x | (val << i),
enumerate(bits), 0)
else:
return long(0)
def DrawResizedImage(self, size):
# load original image
origImage = Bitmap.FromFile(self.filename, False)
# calculate
if self.__dims is None: self.__dims = (origImage.Width, origImage.Height)
width, height = self.CalcResizedDims(size)
# draw new image
newImage = Bitmap(width, height)
g = Graphics.FromImage(newImage)
g.InterpolationMode = InterpolationMode.HighQualityBicubic
g.DrawImage(origImage, 0, 0, width, height)
imageBytes = BitmapToBytes(newImage)
# cleanup
g.Dispose()
newImage.Dispose()
origImage.Dispose()
return imageBytes
def __drawFolderThumbnail(self, parent):
size = ThumbnailSize
# create new image
newImage = Bitmap(size, size)
g = Graphics.FromImage(newImage)
g.InterpolationMode = InterpolationMode.HighQualityBicubic
# draw background
if parent: bc = ParentFolderColor
else: bc = ChildFolderColor
b = LinearGradientBrush(Point(0, 0), Point(size, size), bc,
Color.GhostWhite)
g.FillRectangle(b, 0, 0, size, size)
b.Dispose()
g.DrawRectangle(Pens.LightGray, 0, 0, size - 1, size - 1)
# draw up to 4 subitems
folderItems = self.GetFirstFolderItems(4)
delta = 10
side = (size - 3 * delta) / 2 - 1
rects = (Rectangle(delta + 3, delta + 12, side, side),
Rectangle(size / 2 + delta / 2 - 3, delta + 12, side, side),
Rectangle(delta + 3, size / 2 + delta / 2 + 6, side, side),
Rectangle(size / 2 + delta / 2 - 3, size / 2 + delta / 2 + 6,
side, side))
for rect, item in zip(rects, folderItems):
subImage = Bitmap.FromStream(MemoryStream(item.thumbnail()), False)
g.DrawImage(subImage, rect)
subImage.Dispose()
for rect in rects:
g.DrawRectangle(Pens.LightGray, rect)
# draw folder name
if parent: name = '[..]'
else: name = Path.GetFileName(self.path)
f = Font('Arial', 10)
g.DrawString(name, f, Brushes.Black,
RectangleF(2, 2, size - 2, size - 2))
f.Dispose()
# get the bytes of the image
imageBytes = BitmapToBytes(newImage)
# cleanup
g.Dispose()
newImage.Dispose()
return imageBytes
for i in urlList: bitmaps = [] for j in i: request = WebRequest.Create(j) request.Accept = "text/html" request.UserAgent = "Mozilla/5.0" response = request.GetResponse() bitmaps.append(Image.FromStream(response.GetResponseStream())) bitmaps2.append(bitmaps) combinedBitmaps = [] for a,b,c in zip(bitmaps2,UniqueTileColumns,UniqueTileRows): TotalWidth = len(b)*PixelWidth TotalHeight = len(c)*PixelWidth img = Bitmap(TotalWidth,TotalHeight) g = Graphics.FromImage(img) LPx = [] n = 0 for l in j: LPx.append(n*PixelWidth) n=n+1 LPy = [] n = 0 for i in c: LPy.append(n*PixelWidth) n=n+1 LPx2=[] n=len(LPy) for i in LPx:
def get_scalefactor():
g = Graphics.FromHwnd(IntPtr.Zero)
return g.DpiX / 96.0, g.DpiY / 96.0