From 0a5c105944860021abb1c3c9f4120afcbc122fa3 Mon Sep 17 00:00:00 2001
From: xdrm-brackets <doowap31@gmail.com>
Date: Sun, 6 Sep 2015 16:01:17 +0200
Subject: [PATCH] =?UTF-8?q?cr=C3=A9ation=20de=20la=20classe=20BMPHeader?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 code/bmp.py          |  12 ++++++++----
 code/headerClass.py  |  27 +++++++++++++++++++++++++++
 code/headerClass.pyc | Bin 0 -> 1451 bytes
 3 files changed, 35 insertions(+), 4 deletions(-)
 create mode 100644 code/headerClass.py
 create mode 100644 code/headerClass.pyc

diff --git a/code/bmp.py b/code/bmp.py
index f187ec2..511da93 100644
--- a/code/bmp.py
+++ b/code/bmp.py
@@ -3,22 +3,26 @@
 #   TRAITEMENT D'IMAGES   #
 ###########################
 
+# classes
+from headerClass import *
+
 import dep
 import sys
 
 tmp = ""
-header = ""
 content = ""
 
 
 with open(sys.argv[1]) as f:
 	for byte in f.read():
+		content += byte
 		tmp += str( hex( ord(byte) ) )[2:] + ","
 
-headerSize = ( 2 + 4 + 2 + 2 + 4 + 4 + 4 + 4 + 2 + 2 + 4 + 4 + 4 + 4 + 4 + 4 )
-header = tmp[:headerSize]
+headerSize = 54
+
+header = BMPHeader(content[0:headerSize])
 content = tmp[headerSize:]	
 
-print header
+print header.offset
 print
 print content
\ No newline at end of file
diff --git a/code/headerClass.py b/code/headerClass.py
new file mode 100644
index 0000000..22d80d0
--- /dev/null
+++ b/code/headerClass.py
@@ -0,0 +1,27 @@
+# ~*~ encoding: utf-8 ~*~ #
+
+class BMPHeader:
+	
+	def toInt(self, bytes):
+		intReturn = 0;
+		for i, byte in enumerate(bytes):
+			intReturn += ord(byte) * (256 ** i)
+		return intReturn
+	
+	# CONSTRUCTEUR: parse le header au format bin en objet
+	def __init__(self, binHeader):
+		self.signature = self.toInt(binHeader[ 0: 2]) # signature (4D42)
+		self.fileSize  = self.toInt(binHeader[ 2: 6]) # taille du fichier bmp (bytes)
+		self.offset    = self.toInt(binHeader[10:14]) # début de l'image (bytes)
+		self.infoSize  = self.toInt(binHeader[14:18]) # taille du INFO_HEADER
+		self.width     = self.toInt(binHeader[18:22]) # longueur de l'image (pixel)
+		self.height    = self.toInt(binHeader[22:26]) # hauteur de l'image (pixel)
+		self.plans     = self.toInt(binHeader[26:28]) # nombre de plans (default: 1)
+		self.bpp       = self.toInt(binHeader[28:30]) # nombre de bits par pixel (1,4,8, 24)
+		self.compType  = self.toInt(binHeader[30:34]) # type de compression (0=none, 1=RLE-8, 2=RLE-4)
+		self.size      = self.toInt(binHeader[34:38]) # taille de l'image avec padding (bytes)
+		self.horiRes   = self.toInt(binHeader[38:42]) # résolution horizontale (pixels)
+		self.vertRes   = self.toInt(binHeader[42:46]) # résolution verticale (pixels)
+		self.colorNb   = self.toInt(binHeader[46:50]) # nombre de couleurs de l'image (ou 0)
+		self.colorINb  = self.toInt(binHeader[50:54]) # nombre d'images importantes (ou 0)
+		self.header    = binHeader
\ No newline at end of file
diff --git a/code/headerClass.pyc b/code/headerClass.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..8493fb7898b8d0115fb6712c483a447fb578a629
GIT binary patch
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literal 0
HcmV?d00001