From af36529554c39a2eefcc2c8723715e2d25b401b8 Mon Sep 17 00:00:00 2001 From: jvoisin Date: Sun, 8 Jun 2014 13:39:18 +0200 Subject: Rename the MAT folder to libmat. This commit fixes some issues for dump operating systems who doesn't handle capitalization. --- MAT/images.py | 52 ---------------------------------------------------- 1 file changed, 52 deletions(-) delete mode 100644 MAT/images.py (limited to 'MAT/images.py') diff --git a/MAT/images.py b/MAT/images.py deleted file mode 100644 index 67c710f..0000000 --- a/MAT/images.py +++ /dev/null @@ -1,52 +0,0 @@ -''' Takes care about pictures formats - -References: - - JFIF: http://www.ecma-international.org/publications/techreports/E-TR-098.htm - - PNG: http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/PNG.html - - PNG: http://www.w3.org/TR/PNG-Chunks.html -''' - -import parser - - -class JpegStripper(parser.GenericParser): - ''' Represents a jpeg file. - Custom Huffman and Quantization tables - are stripped: they may leak - some info, and the quality loss is minor. - ''' - def _should_remove(self, field): - ''' Return True if the field is compromising - ''' - field_list = frozenset([ - 'start_image', # start of the image - 'app0', # JFIF data - 'start_frame', # specify width, height, number of components - 'start_scan', # specify which slice of data the top-to-bottom scan contains - 'data', # actual data - 'end_image']) # end of the image - if field.name in field_list: - return False - elif field.name.startswith('quantization['): # custom Quant. tables - return False - elif field.name.startswith('huffman['): # custom Huffman tables - return False - return True - - -class PngStripper(parser.GenericParser): - ''' Represents a png file - ''' - def _should_remove(self, field): - ''' Return True if the field is compromising - ''' - field_list = frozenset([ - 'id', - 'header', # PNG header - 'physical', # the intended pixel size or aspect ratio - 'end']) # end of the image - if field.name in field_list: - return False - if field.name.startswith('data['): # data - return False - return True -- cgit v1.3