Cross Reference: /external/chromium_org/chrome/test/ispy/common/image

Lines Matching refs:mask
30 def _GetDifferenceWithMask(image1, image2, mask=None,
37   account a mask if it is provided. The final three arguments represent
43     mask: an optional mask image consisting of only black and white pixels
56     Exception: if image1, image2, and mask are not the same size.
58   image_mask = mask
59   if not mask:
62     raise Exception('images and mask must be the same size.')
82   """Computes a mask for a set of images.
84   Returns a difference mask that is computed from the images
85   which are passed in. The mask will have a white pixel
90     images: list of images to compute the mask from.
101     raise Exception('mask must be created from one or more images.')
102   mask = Image.new('RGBA', images[0].size, (0, 0, 0, 255))
105     mask = _GetDifferenceWithMask(
108         mask,
112   return mask
116   """Combines a list of mask images into one mask image.
119     masks: a list of mask-images.
122     a new mask that represents the sum of the masked
123       regions of the passed in list of mask-images.
134   masks_data = [mask.getdata() for mask in masks]
148     a new mask image where everything that was masked or different in the diff
159 def VisualizeImageDifferences(image1, image2, mask=None):
163   mask. If the pixel values are the same, or the pixel is masked,
171     mask: an optional RGB image consisting of only white and black pixels
180     Exception: if the two images and optional mask are different sizes.
182   return _GetDifferenceWithMask(image1, image2, mask)
186   """A function that adds layers of pixels around the white edges of a mask.
190     only the pixels' indices which were added to the mask by inflation
196     image: the RGBA PIL.Image mask to inflate.
239 def TotalDifferentPixels(image1, image2, mask=None):
245     mask: an optional RGB image of only black and white pixels
252     Exception: if the images to be compared and the mask are not the same size.
254   image_mask = mask
255   if not mask:
270     raise Exception('images and mask must be the same size')
273 def SameImage(image1, image2, mask=None):
284     mask: an optional image of only black and white pixels
291     Exception: if the images (and mask) are different sizes.
293   different_pixels = TotalDifferentPixels(image1, image2, mask)