Update quatre_blocs

PJ/decoupe.py

@@ -32,13 +32,15 @@ def quatre_blocs(im:Image,hg:tuple[int,int],bd:tuple[int,int])->tuple[Bloc,Bloc,
     """découpe une image en 4 blocs
 
     """
+    x1,y1=hg
+    x2,y2=bd
     pixel_hg1=hg
-    pixel_bd1=((bd[0]+hg[0])//2,(bd[1]+hg[1])//2)
-    pixel_hg2=((bd[0]+hg[0])//2,hg[1])
-    pixel_bd2=(bd[0],(bd[1]+hg[1])//2)
-    pixel_hg3=(hg[0],(bd[1]+hg[1])//2)
-    pixel_bd3=((bd[0]+hg[0])//2,bd[1])
-    pixel_hg4=((bd[0]+hg[0])//2,(bd[1]+hg[1])//2)
+    pixel_bd1=((x1+x2)//2,(y1+y2)//2)
+    pixel_hg2=(1+(x1+x2)//2,y1)
+    pixel_bd2=(x2,(y1+y2)//2)
+    pixel_hg3=(x1,1+(y1+y2)//2)
+    pixel_bd3=((x1+x2)//2,y2)
+    pixel_hg4=(1+(x1+x2)//2,1+(y1+y2)//2)
     pixel_bd4=bd
     couleurs1=[im.getpixel((i,j)) for i in range(pixel_hg1[0],1+pixel_bd1[0]) for j in range(pixel_hg1[1],1+pixel_bd1[1])]
     couleurs2=[im.getpixel((i,j)) for i in range(pixel_hg2[0],1+pixel_bd2[0]) for j in range(pixel_hg2[1],1+pixel_bd2[1])]
@@ -53,4 +55,4 @@ t=im.size
 hg=(0,0)
 bd=(t[0]-1,t[1]-1)
 im_rgb = im.convert('RGB')
-b=decoupe(im_rgb,hg,bd,1)
+b=decoupe(im_rgb,hg,bd,1)
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