denoising.py/code/bmp.py

# ~*~ encoding: utf-8 ~*~ #
###########################
#   TRAITEMENT D'IMAGES   #
###########################

# classes
from BMPFile import *
import random
import sys











def testFileIntegrity():
	# lecture du fichier
	with open( sys.argv[1] ) as file:
		binFile = file.read()

	# Instanciation du BMPFile
	img = BMPFile()

	# Parsing
	img.parse( binFile );

	inct = 50; # incertitude

	# MODIFICATIONS des pixels
	for line in img.content.map:
		for pixel in line:
			pixel.setRGB(
				(230-25) + (2*25*pixel.r/256), # 230 ± 25
				(170-inct) + (2*inct*pixel.g/256), # 170 ± 50
				(100-inct) + (2*inct*pixel.b/256), # 100 ± 50
				bpp=24
			)


	# Unparsing
	img.unparse()


	print img.binData





def testManualCreation():
	img = BMPFile()
	for y in range(0, 100):
		img.content.map.append( [] )
		for x in range(0, 100):
			img.content.map[y].append( RGBPixel(
				random.randint(0, 255),
				random.randint(0, 255),
				random.randint(0, 255),
				bpp=24
			) );

	img.unparse();

	print img.binData

# MAIN
#testManualCreation()
testFileIntegrity()