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https://github.com/python-pillow/Pillow.git
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pep8 and pyflakes
This commit is contained in:
hugovk
parent
8cda5170c8
commit
3ff73688fe
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@ -46,9 +46,11 @@ def _obj(fp, obj, **dict):
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fp.write("/%s %s\n" % (k, v))
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fp.write(">>\n")
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def _endobj(fp):
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fp.write("endobj\n")
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##
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# (Internal) Image save plugin for the PDF format.
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@ -59,13 +61,15 @@ def _save(im, fp, filename):
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# make sure image data is available
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im.load()
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xref = [0]*(5+1) # placeholders
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xref = [0]*(5+1) # placeholders
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class TextWriter:
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def __init__(self, fp):
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self.fp = fp
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def __getattr__(self, name):
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return getattr(self.fp, name)
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def write(self, value):
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self.fp.write(value.encode('latin-1'))
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@ -89,13 +93,13 @@ def _save(im, fp, filename):
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if im.mode == "1":
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filter = "/ASCIIHexDecode"
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colorspace = "/DeviceGray"
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procset = "/ImageB" # grayscale
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procset = "/ImageB" # grayscale
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bits = 1
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elif im.mode == "L":
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filter = "/DCTDecode"
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# params = "<< /Predictor 15 /Columns %d >>" % (width-2)
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colorspace = "/DeviceGray"
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procset = "/ImageB" # grayscale
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procset = "/ImageB" # grayscale
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elif im.mode == "P":
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filter = "/ASCIIHexDecode"
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colorspace = "[ /Indexed /DeviceRGB 255 <"
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@ -106,15 +110,15 @@ def _save(im, fp, filename):
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b = i8(palette[i*3+2])
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colorspace = colorspace + "%02x%02x%02x " % (r, g, b)
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colorspace = colorspace + "> ]"
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procset = "/ImageI" # indexed color
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procset = "/ImageI" # indexed color
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elif im.mode == "RGB":
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filter = "/DCTDecode"
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colorspace = "/DeviceRGB"
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procset = "/ImageC" # color images
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procset = "/ImageC" # color images
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elif im.mode == "CMYK":
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filter = "/DCTDecode"
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colorspace = "/DeviceCMYK"
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procset = "/ImageC" # color images
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procset = "/ImageC" # color images
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else:
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raise ValueError("cannot save mode %s" % im.mode)
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@ -122,17 +126,21 @@ def _save(im, fp, filename):
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# catalogue
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xref[1] = fp.tell()
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_obj(fp, 1, Type = "/Catalog",
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Pages = "2 0 R")
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_obj(
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fp, 1,
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Type="/Catalog",
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Pages="2 0 R")
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_endobj(fp)
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#
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# pages
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xref[2] = fp.tell()
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_obj(fp, 2, Type = "/Pages",
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Count = 1,
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Kids = "[4 0 R]")
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_obj(
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fp, 2,
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Type="/Pages",
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Count=1,
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Kids="[4 0 R]")
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_endobj(fp)
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#
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@ -147,26 +155,28 @@ def _save(im, fp, filename):
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data = im.tobytes("raw", "1")
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im = Image.new("L", (len(data), 1), None)
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im.putdata(data)
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ImageFile._save(im, op, [("hex", (0,0)+im.size, 0, im.mode)])
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ImageFile._save(im, op, [("hex", (0, 0)+im.size, 0, im.mode)])
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elif filter == "/DCTDecode":
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Image.SAVE["JPEG"](im, op, filename)
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elif filter == "/FlateDecode":
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ImageFile._save(im, op, [("zip", (0,0)+im.size, 0, im.mode)])
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ImageFile._save(im, op, [("zip", (0, 0)+im.size, 0, im.mode)])
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elif filter == "/RunLengthDecode":
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ImageFile._save(im, op, [("packbits", (0,0)+im.size, 0, im.mode)])
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ImageFile._save(im, op, [("packbits", (0, 0)+im.size, 0, im.mode)])
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else:
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raise ValueError("unsupported PDF filter (%s)" % filter)
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xref[3] = fp.tell()
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_obj(fp, 3, Type = "/XObject",
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Subtype = "/Image",
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Width = width, # * 72.0 / resolution,
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Height = height, # * 72.0 / resolution,
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Length = len(op.getvalue()),
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Filter = filter,
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BitsPerComponent = bits,
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DecodeParams = params,
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ColorSpace = colorspace)
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_obj(
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fp, 3,
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Type="/XObject",
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Subtype="/Image",
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Width=width, # * 72.0 / resolution,
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Height=height, # * 72.0 / resolution,
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Length=len(op.getvalue()),
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Filter=filter,
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BitsPerComponent=bits,
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DecodeParams=params,
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ColorSpace=colorspace)
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fp.write("stream\n")
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fp.fp.write(op.getvalue())
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@ -179,11 +189,14 @@ def _save(im, fp, filename):
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xref[4] = fp.tell()
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_obj(fp, 4)
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fp.write("<<\n/Type /Page\n/Parent 2 0 R\n"\
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"/Resources <<\n/ProcSet [ /PDF %s ]\n"\
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"/XObject << /image 3 0 R >>\n>>\n"\
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"/MediaBox [ 0 0 %d %d ]\n/Contents 5 0 R\n>>\n" %\
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(procset, int(width * 72.0 /resolution) , int(height * 72.0 / resolution)))
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fp.write(
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"<<\n/Type /Page\n/Parent 2 0 R\n"
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"/Resources <<\n/ProcSet [ /PDF %s ]\n"
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"/XObject << /image 3 0 R >>\n>>\n"
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"/MediaBox [ 0 0 %d %d ]\n/Contents 5 0 R\n>>\n" % (
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procset,
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int(width * 72.0 / resolution),
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int(height * 72.0 / resolution)))
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_endobj(fp)
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#
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@ -191,10 +204,13 @@ def _save(im, fp, filename):
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op = TextWriter(io.BytesIO())
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op.write("q %d 0 0 %d 0 0 cm /image Do Q\n" % (int(width * 72.0 / resolution), int(height * 72.0 / resolution)))
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op.write(
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"q %d 0 0 %d 0 0 cm /image Do Q\n" % (
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int(width * 72.0 / resolution),
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int(height * 72.0 / resolution)))
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xref[5] = fp.tell()
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_obj(fp, 5, Length = len(op.fp.getvalue()))
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_obj(fp, 5, Length=len(op.fp.getvalue()))
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fp.write("stream\n")
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fp.fp.write(op.fp.getvalue())
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