126 lines
3.0 KiB
Python
126 lines
3.0 KiB
Python
# ~*~ encoding: utf-8 ~*~ #
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import random
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class Noise:
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def SaltAndPepper_set(self, seuil, pixelMap):
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seuil = float(seuil);
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while seuil >= 1:
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seuil /= 100
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nbPixel = int( len(pixelMap) * len(pixelMap[0]) * seuil )
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for bruit in range(0, nbPixel ):
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x = random.randint(0, len(pixelMap[0]) - 1 )
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y = random.randint(0, len(pixelMap) - 1 )
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if random.randint(0,1) == 1:
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pixelMap[y][x].setRGB(255,255,255);
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else:
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pixelMap[y][x].setRGB(0,0,0);
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def getShapeRecursive(self, coords, pixelMap, pixelList ): # return PixelList
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# coords = [lastx, lasty, x, y]
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width = len( pixelMap[0] )
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height = len( pixelMap )
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lastx = coords[0]
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lasty = coords[1]
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x = coords[2]
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y = coords[3]
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newCoords = [x, y]
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# si le pixel existe (pas de dépassement de la pixelMap)
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if x<width and x>=0 and y<height and y>=0:
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already = False;
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for i in range(0, len(pixelList)):
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if pixelList[i] == pixelMap[y][x]:
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already = True;
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break
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# si le pixel n'est pas déjà dans le tableau
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if not already:
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# si trop de différence
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lastP = pixelMap[lasty][lastx]
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pix = pixelMap[y][x]
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if abs(lastP.r-pix.r) <= 50 and abs(lastP.g-pix.g) <= 50 and abs(lastP.b-pix.b) <= 50:
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pixelList.append( pixelMap[y][x] ) # ajout au tableau
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self.getShape( [x, y, x-1, y+1], pixelMap, pixelList) # 1
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self.getShape( [x, y, x, y+1], pixelMap, pixelList) # 2
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self.getShape( [x, y, x+1, y+1], pixelMap, pixelList) # 3
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self.getShape( [x, y, x-1, y ], pixelMap, pixelList) # 4
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# current pixel
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self.getShape( [x, y, x+1, y ], pixelMap, pixelList) # 6
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self.getShape( [x, y, x-1, y-1], pixelMap, pixelList) # 7
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self.getShape( [x, y, x, y-1], pixelMap, pixelList) # 8
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self.getShape( [x, y, x+1, y-1], pixelMap, pixelList) # 9
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def getShape(self, coords, pixelMap, pixelList):
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# coords = [lastx, lasty, x, y]
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width = len( pixelMap[0] )
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height = len( pixelMap )
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lastx = coords[0]
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lasty = coords[1]
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x = coords[2]
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y = coords[3]
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if x<width and x>=0 and y<height and y>=0:
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already = False;
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for pix in pixelList:
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if pix == pixelMap[y][x]:
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already = True;
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break
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# si le pixel n'est pas déjà dans le tableau
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if not already:
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# si trop de différence
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lastP = pixelMap[lasty][lastx]
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pix = pixelMap[y][x]
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if abs(lastP.r-pix.r) <= 50 and abs(lastP.g-pix.g) <= 50 and abs(lastP.b-pix.b) <= 50:
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return pixelMap[y][x];
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# self.getShape( [x, y, x-1, y+1], pixelMap, pixelList) # 1
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# self.getShape( [x, y, x, y+1], pixelMap, pixelList) # 2
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# self.getShape( [x, y, x+1, y+1], pixelMap, pixelList) # 3
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# self.getShape( [x, y, x-1, y ], pixelMap, pixelList) # 4
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# # current pixel
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# self.getShape( [x, y, x+1, y ], pixelMap, pixelList) # 6
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# self.getShape( [x, y, x-1, y-1], pixelMap, pixelList) # 7
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# self.getShape( [x, y, x, y-1], pixelMap, pixelList) # 8
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# self.getShape( [x, y, x+1, y-1], pixelMap, pixelList) # 9
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return None # return none si le pixel n'est plus de la forme |