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--HG-- rename : py/__init__.py => base/py/__init__.py rename : py/app.py => base/py/app.py rename : py/app_cocoa.py => base/py/app_cocoa.py rename : py/app_me_cocoa.py => base/py/app_me_cocoa.py rename : py/app_pe_cocoa.py => base/py/app_pe_cocoa.py rename : py/app_se_cocoa.py => base/py/app_se_cocoa.py rename : py/data.py => base/py/data.py rename : py/data_me.py => base/py/data_me.py rename : py/data_pe.py => base/py/data_pe.py rename : py/directories.py => base/py/directories.py rename : py/engine.py => base/py/engine.py rename : py/export.py => base/py/export.py rename : py/gen.py => base/py/gen.py rename : py/ignore.py => base/py/ignore.py rename : py/modules/block/block.pyx => base/py/modules/block/block.pyx rename : py/modules/block/setup.py => base/py/modules/block/setup.py rename : py/modules/cache/cache.pyx => base/py/modules/cache/cache.pyx rename : py/modules/cache/setup.py => base/py/modules/cache/setup.py rename : py/picture/__init__.py => base/py/picture/__init__.py rename : py/picture/block.py => base/py/picture/block.py rename : py/picture/cache.py => base/py/picture/cache.py rename : py/picture/matchbase.py => base/py/picture/matchbase.py rename : py/results.py => base/py/results.py rename : py/scanner.py => base/py/scanner.py rename : py/tests/__init__.py => base/py/tests/__init__.py rename : py/tests/app_cocoa_test.py => base/py/tests/app_cocoa_test.py rename : py/tests/app_test.py => base/py/tests/app_test.py rename : py/tests/block_test.py => base/py/tests/block_test.py rename : py/tests/cache_test.py => base/py/tests/cache_test.py rename : py/tests/directories_test.py => base/py/tests/directories_test.py rename : py/tests/engine_test.py => base/py/tests/engine_test.py rename : py/tests/export_test.py => base/py/tests/export_test.py rename : py/tests/ignore_test.py => base/py/tests/ignore_test.py rename : py/tests/results_test.py => base/py/tests/results_test.py rename : py/tests/scanner_test.py => base/py/tests/scanner_test.py extra : convert_revision : svn%3Ac306627e-7827-47d3-bdf0-9a457c9553a1/trunk%4074
125 lines
4.3 KiB
Python
125 lines
4.3 KiB
Python
#!/usr/bin/env python
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"""
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Unit Name: hs.picture.block
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Created By: Virgil Dupras
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Created On: 2006/09/01
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Last modified by:$Author: virgil $
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Last modified on:$Date: 2009-05-26 18:12:39 +0200 (Tue, 26 May 2009) $
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$Revision: 4365 $
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Copyright 2004-2006 Hardcoded Software (http://www.hardcoded.net)
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"""
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from _block import NoBlocksError, DifferentBlockCountError, avgdiff, getblocks2
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# Converted to Cython
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# def getblock(image):
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# """Returns a 3 sized tuple containing the mean color of 'image'.
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#
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# image: a PIL image or crop.
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# """
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# if image.size[0]:
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# pixel_count = image.size[0] * image.size[1]
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# red = green = blue = 0
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# for r,g,b in image.getdata():
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# red += r
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# green += g
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# blue += b
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# return (red // pixel_count, green // pixel_count, blue // pixel_count)
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# else:
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# return (0,0,0)
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# This is not used anymore
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# def getblocks(image,blocksize):
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# """Returns a list of blocks (3 sized tuples).
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#
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# image: A PIL image to base the blocks on.
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# blocksize: The size of the blocks to be create. This is a single integer, defining
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# both width and height (blocks are square).
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# """
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# if min(image.size) < blocksize:
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# return ()
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# result = []
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# for i in xrange(image.size[1] // blocksize):
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# for j in xrange(image.size[0] // blocksize):
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# box = (blocksize * j, blocksize * i, blocksize * (j + 1), blocksize * (i + 1))
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# crop = image.crop(box)
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# result.append(getblock(crop))
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# return result
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# Converted to Cython
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# def getblocks2(image,block_count_per_side):
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# """Returns a list of blocks (3 sized tuples).
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#
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# image: A PIL image to base the blocks on.
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# block_count_per_side: This integer determine the number of blocks the function will return.
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# If it is 10, for example, 100 blocks will be returns (10 width, 10 height). The blocks will not
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# necessarely cover square areas. The area covered by each block will be proportional to the image
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# itself.
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# """
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# if not image.size[0]:
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# return []
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# width,height = image.size
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# block_width = max(width // block_count_per_side,1)
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# block_height = max(height // block_count_per_side,1)
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# result = []
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# for ih in range(block_count_per_side):
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# top = min(ih * block_height, height - block_height)
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# bottom = top + block_height
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# for iw in range(block_count_per_side):
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# left = min(iw * block_width, width - block_width)
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# right = left + block_width
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# box = (left,top,right,bottom)
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# crop = image.crop(box)
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# result.append(getblock(crop))
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# return result
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# Converted to Cython
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# def diff(first, second):
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# """Returns the difference between the first block and the second.
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#
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# It returns an absolute sum of the 3 differences (RGB).
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# """
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# r1, g1, b1 = first
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# r2, g2, b2 = second
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# return abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)
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# Converted to Cython
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# def avgdiff(first, second, limit=768, min_iterations=1):
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# """Returns the average diff between first blocks and seconds.
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#
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# If the result surpasses limit, limit + 1 is returned, except if less than min_iterations
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# iterations have been made in the blocks.
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# """
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# if len(first) != len(second):
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# raise DifferentBlockCountError
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# if not first:
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# raise NoBlocksError
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# count = len(first)
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# sum = 0
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# zipped = izip(xrange(1, count + 1), first, second)
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# for i, first, second in zipped:
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# sum += diff(first, second)
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# if sum > limit * i and i >= min_iterations:
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# return limit + 1
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# result = sum // count
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# if (not result) and sum:
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# result = 1
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# return result
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# This is not used anymore
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# def maxdiff(first,second,limit=768):
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# """Returns the max diff between first blocks and seconds.
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#
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# If the result surpasses limit, the first max being over limit is returned.
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# """
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# if len(first) != len(second):
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# raise DifferentBlockCountError
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# if not first:
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# raise NoBlocksError
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# result = 0
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# zipped = zip(first,second)
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# for first,second in zipped:
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# result = max(result,diff(first,second))
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# if result > limit:
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# return result
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# return result
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