introduce --longarm / -l for long-arm stapler guides

mkbooklet

@@ -108,6 +108,55 @@ startxref
 
 	return tpl % (ws, hs, 143 + l, 221 + l)
 
+def create_pdf(content):
+	template = """%%PDF-1.5
+%%%%%%%%%%
+1 0 obj  << /Kids [2 0 R] /Count 1 /Type /Pages >> endobj 
+3 0 obj  << >> endobj 
+4 0 obj  << /Length %d >>
+stream
+q
+Q
+%s
+endstream 
+endobj 
+2 0 obj  << /Group  << /CS /DeviceRGB /Type /Group /S /Transparency >> /Parent 1 0 R /Resources 3 0 R /MediaBox [0 0 841.889764 595.275591]                  /Contents 4 0 R /Type /Page >> endobj 
+5 0 obj  << /Pages 1 0 R /Type /Catalog >> endobj 
+6 0 obj  << /Creator (mkbooklet http://github.com/pb-/mkbooklet) /Producer (mkbooklet http://github.com/pb-/mkbooklet) >> endobj
+xref
+0 7
+0000000000 65535 f 
+0000000015 00000 n 
+%010d 00000 n 
+0000000074 00000 n 
+0000000097 00000 n 
+%010d 00000 n 
+%010d 00000 n 
+trailer
+
+<< /Info 6 0 R /Root 5 0 R /Size 7 >>
+startxref
+%d
+%%%%EOF""" % (4+len(content), content, 155+len(content), 351+len(content), 402+len(content), 531+len(content))
+	return template
+
+
+def generate_guides_longarm():
+	width = 1
+	content = '2.83464567 0 0 2.83464567 0 0 cm 0.1 w 1 0 0 1 148.5 21 cm\n'
+
+	for i in range(5):
+		if i != 0:
+			content += "1 0 0 1 0 42 cm\n"
+
+		content += """
+-%d 0 m
+%d 0 l
+s
+""" % (width, 2*width)
+
+	return create_pdf(content)
+
 
 def generate_guides(num, a5mode, sigmode):
 	vmargin = 6
@@ -140,36 +189,7 @@ s
 s
 """ % (h, ' ' if (a5mode or sigmode) else '-', ' ' if (a5mode or sigmode) else '-')
 
-	template = """%%PDF-1.5
-%%%%%%%%%%
-1 0 obj  << /Kids [2 0 R] /Count 1 /Type /Pages >> endobj 
-3 0 obj  << >> endobj 
-4 0 obj  << /Length %d >>
-stream
-q
-Q
-%s
-endstream 
-endobj 
-2 0 obj  << /Group  << /CS /DeviceRGB /Type /Group /S /Transparency >> /Parent 1 0 R /Resources 3 0 R /MediaBox [0 0 841.889764 595.275591]                  /Contents 4 0 R /Type /Page >> endobj 
-5 0 obj  << /Pages 1 0 R /Type /Catalog >> endobj 
-6 0 obj  << /Creator (mkbooklet http://github.com/pb-/mkbooklet) /Producer (mkbooklet http://github.com/pb-/mkbooklet) >> endobj
-xref
-0 7
-0000000000 65535 f 
-0000000015 00000 n 
-%010d 00000 n 
-0000000074 00000 n 
-0000000097 00000 n 
-%010d 00000 n 
-%010d 00000 n 
-trailer
-
-<< /Info 6 0 R /Root 5 0 R /Size 7 >>
-startxref
-%d
-%%%%EOF""" % (4+len(content), content, 155+len(content), 351+len(content), 402+len(content), 531+len(content))
-	return template
+	return create_pdf(content)
 
 
 def median(l):
@@ -201,10 +221,11 @@ parser.add_argument('-c', '--nocrop', action='store_true', default=False, help='
 parser.add_argument('-C', '--croponly', action='store_true', default=False, help='only crop the input file, do not create a booklet')
 parser.add_argument('-g', '--noguides', action='store_true', default=False, help='do not apply any guides on the first page')
 parser.add_argument('-S', '--signature', dest='signature', type=int, action='store', default=None, help='use at most given number of sheets for one signature instead of producing one big signature')
+parser.add_argument('-l', '--longarm', action='store_true', default=False, help='generate staple guides for long-arm staplers')
 parser.add_argument('-s', '--smartbbox', action='store_true', default=False, help='use the smart algorithm when obtaining the bbox')
 parser.add_argument('-p', '--bboxpage', dest='bboxpage', type=int, action='store', default=None, help='use given page only to obtain the bounding box')
 parser.add_argument('-b', '--bbox', action='store', default=None, help='use given bounding box, specified as either x1,y1,x2,y2 or x,y+w,h')
-parser.add_argument('--version', action='version', version='%(prog)s 11.10a')
+parser.add_argument('--version', action='version', version='%(prog)s 14.10')
 parser.add_argument('FILE')
 args = parser.parse_args()
 
@@ -230,6 +251,7 @@ croponly = args.croponly
 bboxpage = args.bboxpage
 smartbbox = args.smartbbox
 signature = args.signature
+longarm = args.longarm
 
 tmpdir = tempfile.mkdtemp(prefix='mkbooklet-')
 os.chdir(tmpdir)
@@ -363,7 +385,10 @@ if not noguides and not croponly:
 	for i in range(pi.getNumPages()):
 		p = pi.getPage(i)
 		if i == 0:
-			grid = pyPdf.PdfFileReader(StringIO.StringIO(generate_guides(5, a5mode, bool(signature))))
+			if longarm:
+				grid = pyPdf.PdfFileReader(StringIO.StringIO(generate_guides_longarm()))
+			else:
+				grid = pyPdf.PdfFileReader(StringIO.StringIO(generate_guides(5, a5mode, bool(signature))))
 			p.mergePage(grid.getPage(0))
 		po.addPage(p)