Fix indentation, format code according to autopep8

third_party/color_emoji/emoji_builder.py

@@ -17,7 +17,6 @@
 # Google Author(s): Behdad Esfahbod, Stuart Gill, Roozbeh Pournader
 #
 
-
 from __future__ import print_function
 import sys, struct, StringIO
 from png import PNG
@@ -26,6 +25,7 @@ from os import path
 
 from nototools import font_data
 
+
 def get_glyph_name_from_gsub(string, font, cmap_dict):
 	ligatures = font['GSUB'].table.LookupList.Lookup[0].SubTable[0].ligatures
 	first_glyph = cmap_dict[ord(string[0])]
@@ -38,18 +38,22 @@ def get_glyph_name_from_gsub (string, font, cmap_dict):
 def div(a, b):
 	return int(round(a / float(b)))
 
+
 class FontMetrics:
 	def __init__(self, upem, ascent, descent):
 		self.upem = upem
 		self.ascent = ascent
 		self.descent = descent
 
+
 class StrikeMetrics:
 	def __init__(self, font_metrics, advance, bitmap_width, bitmap_height):
 		self.width = bitmap_width  # in pixels
 		self.height = bitmap_height  # in pixels
 		self.advance = advance  # in font units
-		self.x_ppem = self.y_ppem = div (bitmap_width * font_metrics.upem, advance)
+		self.x_ppem = self.y_ppem = div(bitmap_width * font_metrics.upem,
+										advance)
+
 
 class GlyphMap:
 	def __init__(self, glyph, offset, image_format):
@@ -60,7 +64,6 @@ class GlyphMap:
 
 # Based on http://www.microsoft.com/typography/otspec/ebdt.htm
 class CBDT:
-
 	def __init__(self, font_metrics, options=(), stream=None):
 		self.stream = stream if stream != None else bytearray()
 		self.options = options
@@ -70,8 +73,10 @@ class CBDT:
 
 	def tell(self):
 		return len(self.stream) - self.base_offset
+
 	def write(self, data):
 		self.stream.extend(data)
+
 	def data(self):
 		return self.stream
 
@@ -135,27 +140,25 @@ class CBDT:
 		# BYTE	vertAdvance
 		try:
 			if big_metrics:
-                        self.write (struct.pack ("BBbbBbbB",
+				self.write(
-					 height, width,
+					struct.pack("BBbbBbbB", height, width, x_bearing,
-					 x_bearing, y_bearing,
+								y_bearing, advance, vert_x_bearing,
-					 advance,
+								vert_y_bearing, vert_advance))
-					 vert_x_bearing, vert_y_bearing,
-					 vert_advance))
 			else:
-                        self.write (struct.pack ("BBbbB",
+				self.write(
-					 height, width,
+					struct.pack("BBbbB", height, width, x_bearing, y_bearing,
-					 x_bearing, y_bearing,
 								advance))
 		except Exception as e:
-                  raise ValueError("%s, h: %d w: %d x: %d y: %d %d a:" % (
+			raise ValueError("%s, h: %d w: %d x: %d y: %d %d a:" %
-                      e, height, width, x_bearing, y_bearing, advance))
+							 (e, height, width, x_bearing, y_bearing, advance))
 
 	def write_format1(self, png):
 
 		import cairo
 		img = cairo.ImageSurface.create_from_png(png.stream())
 		if img.get_format() != cairo.FORMAT_ARGB32:
-			raise Exception ("Expected FORMAT_ARGB32, but image has format %d" % img.get_format ())
+			raise Exception("Expected FORMAT_ARGB32, but image has format %d" %
+							img.get_format())
 
 		width = img.get_width()
 		height = img.get_height()
@@ -209,7 +212,6 @@ class CBDT:
 
 # Based on http://www.microsoft.com/typography/otspec/eblc.htm
 class CBLC:
-
 	def __init__(self, font_metrics, options=(), stream=None):
 		self.stream = stream if stream != None else bytearray()
 		self.streams = []
@@ -220,13 +222,17 @@ class CBLC:
 
 	def tell(self):
 		return len(self.stream) - self.base_offset
+
 	def write(self, data):
 		self.stream.extend(data)
+
 	def data(self):
 		return self.stream
+
 	def push_stream(self, stream):
 		self.streams.append(self.stream)
 		self.stream = stream
+
 	def pop_stream(self):
 		stream = self.stream
 		self.stream = self.streams.pop()
@@ -276,12 +282,21 @@ class CBLC:
 		line_height = div((ascent + descent) * y_ppem, upem)
 		ascent = div(ascent * y_ppem, upem)
 		descent = -(line_height - ascent)
-		self.write (struct.pack ("bbBbbbbbbbbb",
+		self.write(
-					 ascent, descent,
+			struct.pack(
+				"bbBbbbbbbbbb",
+				ascent,
+				descent,
 				self.strike_metrics.width,
-					 0, 0, 0,
+				0,
-					 0, 0, 0, 0, # TODO
+				0,
-					 0, 0))
+				0,
+				0,
+				0,
+				0,
+				0,  # TODO
+				0,
+				0))
 
 	def write_sbitLineMetrics_vert(self):
 		self.write_sbitLineMetrics_hori()  # XXX
@@ -295,7 +310,8 @@ class CBLC:
 		imageDataOffset = glyph_maps[0].offset
 		self.write(struct.pack(">L", imageDataOffset))  # ULONG imageDataOffset
 		for gmap in glyph_maps[:-1]:
-			self.write (struct.pack(">L", gmap.offset - imageDataOffset)) # ULONG offsetArray
+			self.write(struct.pack(">L", gmap.offset -
+								   imageDataOffset))  # ULONG offsetArray
 			assert gmap.image_format == image_format
 		self.write(struct.pack(">L", glyph_maps[-1].offset - imageDataOffset))
 
@@ -322,7 +338,9 @@ class CBLC:
 		last_id = 0
 		for gmap in glyph_maps[1:-1]:
 			if last_glyph + 1 != gmap.glyph or last_image_format != gmap.image_format:
-				headers.extend (struct.pack(">HHL", start, last_glyph, headersLen + len (subtables)))
+				headers.extend(
+					struct.pack(">HHL", start, last_glyph,
+								headersLen + len(subtables)))
 				self.push_stream(subtables)
 				self.write_indexSubTable1(glyph_maps[start_id:last_id + 2])
 				self.pop_stream()
@@ -332,7 +350,9 @@ class CBLC:
 			last_glyph = gmap.glyph
 			last_image_format = gmap.image_format
 			last_id += 1
-		headers.extend (struct.pack(">HHL", start, last_glyph, headersLen + len (subtables)))
+		headers.extend(
+			struct.pack(">HHL", start, last_glyph,
+						headersLen + len(subtables)))
 		self.push_stream(subtables)
 		self.write_indexSubTable1(glyph_maps[start_id:last_id + 2])
 		self.pop_stream()
@@ -341,7 +361,8 @@ class CBLC:
 		numberOfIndexSubTables = count
 		bitmapSizeTableSize = 48 * self.num_strikes
 
-		indexSubTableArrayOffset = 8 + bitmapSizeTableSize + len (self.otherTables)
+		indexSubTableArrayOffset = 8 + bitmapSizeTableSize + len(
+			self.otherTables)
 
 		self.push_stream(self.bitmapSizeTables)
 		# bitmapSizeTable
@@ -431,7 +452,8 @@ By default they are dropped.
 If -C is given, unused chunks (color profile, etc) are NOT
 dropped from the PNG images when embedding.
 By default they are dropped.
-""", file=sys.stderr)
+""",
+			  file=sys.stderr)
 		sys.exit(1)
 
 	font_file = argv[1]
@@ -451,14 +473,12 @@ By default they are dropped.
 			except KeyError:
 				pass
 
-
 	print()
 
 	font = ttx.TTFont(font_file)
 	print("Loaded font '%s'." % font_file)
 
-	font_metrics = FontMetrics (font['head'].unitsPerEm,
+	font_metrics = FontMetrics(font['head'].unitsPerEm, font['hhea'].ascent,
-				    font['hhea'].ascent,
 							   -font['hhea'].descent)
 	print("Font metrics: upem=%d ascent=%d descent=%d." % \
 		  (font_metrics.upem, font_metrics.ascent, font_metrics.descent))
@@ -469,8 +489,8 @@ By default they are dropped.
 	if not unicode_cmap:
 		raise Exception("Failed to find a Unicode cmap.")
 
-	image_format = 1 if 'uncompressed' in options else (17
+	image_format = 1 if 'uncompressed' in options else (
-                if 'small_glyph_metrics' in options else 18)
+		17 if 'small_glyph_metrics' in options else 18)
 
 	ebdt = CBDT(font_metrics, options)
 	ebdt.write_header()
@@ -502,7 +522,8 @@ By default they are dropped.
 			img_files[uchars] = img_file
 		if not img_files:
 			raise Exception("No image files found in '%s'." % glb)
-		print("Found images for %d characters in '%s'." % (len (img_files), glb))
+		print("Found images for %d characters in '%s'." %
+			  (len(img_files), glb))
 
 		glyph_imgs = {}
 		advance = width = height = 0
@@ -514,7 +535,8 @@ By default they are dropped.
 					print("no cmap entry for %x" % ord(uchars))
 					raise ValueError("%x" % ord(uchars))
 			else:
-				glyph_name = get_glyph_name_from_gsub (uchars, font, unicode_cmap.cmap)
+				glyph_name = get_glyph_name_from_gsub(uchars, font,
+													  unicode_cmap.cmap)
 			glyph_id = font.getGlyphID(glyph_name)
 			glyph_imgs[glyph_id] = img_file
 			if "verbose" in options:
@@ -529,10 +551,12 @@ By default they are dropped.
 
 		glyphs = sorted(glyph_imgs.keys())
 		if not glyphs:
-			raise Exception ("No common characters found between font and '%s'." % glb)
+			raise Exception(
+				"No common characters found between font and '%s'." % glb)
 		print("Embedding images for %d glyphs for this strike." % len(glyphs))
 
-		advance, width, height = (div (x, len (glyphs)) for x in (advance, width, height))
+		advance, width, height = (div(x, len(glyphs))
+								  for x in (advance, width, height))
 		strike_metrics = StrikeMetrics(font_metrics, advance, width, height)
 		print("Strike ppem set to %d." % (strike_metrics.y_ppem))
 
@@ -566,6 +590,5 @@ By default they are dropped.
 	font.save(out_file)
 	print("Output font '%s' generated." % out_file)
 
-
 if __name__ == '__main__':
 	main(sys.argv)