69 lines
1.9 KiB
Plaintext
69 lines
1.9 KiB
Plaintext
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/******************/
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/** COLORIZATION **/
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/******************/
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Principe: colorer en modifiant les pixels (n&b) dans un ton (teinte) précisée
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restitue la contraste mais recentre la couleur autour de la teinte
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/************ ALGO **************/
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i = 50 // incertitude
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t = RGBPixel(1,2,3) // teinte souhaitée
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p = RGBPixel(1,2,3) // couleur actuelle
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/************ CODE **************/
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def colorize(pixel, tint):
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/*****************/
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/** SHAPIZATION **/
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/*****************/
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Principe: récupérer une forme par récurrence
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Ajouter les 8 bits périphériques du pixel courant s'il existe et s'il a des couleurs pas trop éloignées des précédentes
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/************ ALGO **************/
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/************ CODE **************/
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def getShape(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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pixelMap[y][x].setRGB(255,0,0); # debug, tout rouge
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pixelList.append( pixelMap[y][x] ) # ajout au tableau
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self.getShape(newCoords+[x-1, y+1], pixelMap, pixelList) # 1
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self.getShape(newCoords+[x, y+1], pixelMap, pixelList) # 2
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self.getShape(newCoords+[x+1, y+1], pixelMap, pixelList) # 3
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self.getShape(newCoords+[x-1, y], pixelMap, pixelList) # 4
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# current pixel
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self.getShape(newCoords+[x+1, y], pixelMap, pixelList) # 6
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self.getShape(newCoords+[x-1, y-1], pixelMap, pixelList) # 7
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self.getShape(newCoords+[x, y-1], pixelMap, pixelList) # 8
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self.getShape(newCoords+[x+1, y-1], pixelMap, pixelList) # 9
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