mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-26 18:06:18 +03:00
Changed Image size property to be read-only by default
This commit is contained in:
Andrew Murray
parent
34426f2558
commit
0adeb82e98
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@ -56,9 +56,8 @@ class TestImage(PillowTestCase):
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self.assertEqual(im.width, 1)
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self.assertEqual(im.height, 2)
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im.size = (3, 4)
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self.assertEqual(im.width, 3)
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self.assertEqual(im.height, 4)
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with self.assertRaises(AttributeError) as e:
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im.size = (3, 4)
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def test_invalid_image(self):
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if py3:
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@ -154,7 +154,7 @@ class MockImageFile(ImageFile.ImageFile):
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def _open(self):
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self.rawmode = 'RGBA'
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self.mode = 'RGBA'
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self.size = (200, 200)
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self._size = (200, 200)
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self.tile = [("MOCK", (xoff, yoff, xoff+xsize, yoff+ysize), 32, None)]
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@ -270,7 +270,7 @@ class BlpImageFile(ImageFile.ImageFile):
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self._blp_alpha_encoding, = struct.unpack("<b", self.fp.read(1))
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self._blp_mips, = struct.unpack("<b", self.fp.read(1))
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self.size = struct.unpack("<II", self.fp.read(8))
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self._size = struct.unpack("<II", self.fp.read(8))
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if self.magic == b"BLP1":
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# Only present for BLP1
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@ -143,7 +143,7 @@ class BmpImageFile(ImageFile.ImageFile):
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file_info['header_size'])
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# ------------------ Special case : header is reported 40, which
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# ---------------------- is shorter than real size for bpp >= 16
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self.size = file_info['width'], file_info['height']
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self._size = file_info['width'], file_info['height']
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# -------- If color count was not found in the header, compute from bits
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file_info['colors'] = file_info['colors'] if file_info.get('colors', 0) else (1 << file_info['bits'])
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# -------------------------------- Check abnormal values for DOS attacks
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@ -47,7 +47,7 @@ class BufrStubImageFile(ImageFile.StubImageFile):
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# make something up
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self.mode = "F"
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self.size = 1, 1
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self._size = 1, 1
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loader = self._load()
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if loader:
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@ -63,7 +63,7 @@ class CurImageFile(BmpImagePlugin.BmpImageFile):
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self._bitmap(i32(m[12:]) + offset)
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# patch up the bitmap height
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self.size = self.size[0], self.size[1]//2
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self._size = self.size[0], self.size[1]//2
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d, e, o, a = self.tile[0]
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self.tile[0] = d, (0, 0)+self.size, o, a
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@ -114,7 +114,7 @@ class DdsImageFile(ImageFile.ImageFile):
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header = BytesIO(header_bytes)
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flags, height, width = struct.unpack("<3I", header.read(12))
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self.size = (width, height)
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self._size = (width, height)
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self.mode = "RGBA"
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pitch, depth, mipmaps = struct.unpack("<3I", header.read(12))
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@ -217,7 +217,7 @@ class EpsImageFile(ImageFile.ImageFile):
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box = None
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self.mode = "RGB"
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self.size = 1, 1 # FIXME: huh?
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self._size = 1, 1 # FIXME: huh?
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#
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# Load EPS header
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@ -244,7 +244,7 @@ class EpsImageFile(ImageFile.ImageFile):
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# fields should be integers, but some drivers
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# put floating point values there anyway.
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box = [int(float(i)) for i in v.split()]
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self.size = box[2] - box[0], box[3] - box[1]
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self._size = box[2] - box[0], box[3] - box[1]
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self.tile = [("eps", (0, 0) + self.size, offset,
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(length, box))]
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except Exception:
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@ -293,7 +293,7 @@ class EpsImageFile(ImageFile.ImageFile):
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except ValueError:
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break
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self.size = int(x), int(y)
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self._size = int(x), int(y)
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return
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s = fp.readline().strip('\r\n')
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@ -331,7 +331,7 @@ class EpsImageFile(ImageFile.ImageFile):
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return
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self.im = Ghostscript(self.tile, self.size, self.fp, scale)
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self.mode = self.im.mode
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self.size = self.im.size
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self._size = self.im.size
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self.tile = []
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def load_seek(self, *args, **kwargs):
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@ -50,7 +50,7 @@ class FITSStubImageFile(ImageFile.StubImageFile):
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# make something up
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self.mode = "F"
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self.size = 1, 1
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self._size = 1, 1
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loader = self._load()
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if loader:
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@ -54,7 +54,7 @@ class FliImageFile(ImageFile.ImageFile):
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# image characteristics
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self.mode = "P"
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self.size = i16(s[8:10]), i16(s[10:12])
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self._size = i16(s[8:10]), i16(s[10:12])
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# animation speed
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duration = i32(s[16:20])
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@ -81,7 +81,7 @@ class FpxImageFile(ImageFile.ImageFile):
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# size (highest resolution)
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self.size = prop[0x1000002], prop[0x1000003]
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self._size = prop[0x1000002], prop[0x1000003]
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size = max(self.size)
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i = 1
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@ -61,7 +61,7 @@ class FtexImageFile(ImageFile.ImageFile):
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def _open(self):
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magic = struct.unpack("<I", self.fp.read(4))
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version = struct.unpack("<i", self.fp.read(4))
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self.size = struct.unpack("<2i", self.fp.read(8))
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self._size = struct.unpack("<2i", self.fp.read(8))
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mipmap_count, format_count = struct.unpack("<2i", self.fp.read(8))
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self.mode = "RGB"
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@ -74,7 +74,7 @@ class GbrImageFile(ImageFile.ImageFile):
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else:
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self.mode = 'RGBA'
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self.size = width, height
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self._size = width, height
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self.info["comment"] = comment
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@ -49,7 +49,7 @@ class GdImageFile(ImageFile.ImageFile):
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raise SyntaxError("Not a valid GD 2.x .gd file")
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self.mode = "L" # FIXME: "P"
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self.size = i16(s[2:4]), i16(s[4:6])
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self._size = i16(s[2:4]), i16(s[4:6])
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trueColor = i8(s[6])
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trueColorOffset = 2 if trueColor else 0
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@ -65,7 +65,7 @@ class GifImageFile(ImageFile.ImageFile):
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raise SyntaxError("not a GIF file")
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self.info["version"] = s[:6]
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self.size = i16(s[6:]), i16(s[8:])
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self._size = i16(s[6:]), i16(s[8:])
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self.tile = []
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flags = i8(s[10])
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bits = (flags & 7) + 1
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@ -48,7 +48,7 @@ class GribStubImageFile(ImageFile.StubImageFile):
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# make something up
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self.mode = "F"
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self.size = 1, 1
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self._size = 1, 1
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loader = self._load()
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if loader:
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@ -47,7 +47,7 @@ class HDF5StubImageFile(ImageFile.StubImageFile):
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# make something up
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self.mode = "F"
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self.size = 1, 1
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self._size = 1, 1
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loader = self._load()
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if loader:
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@ -265,13 +265,33 @@ class IcnsImageFile(ImageFile.ImageFile):
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def _open(self):
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self.icns = IcnsFile(self.fp)
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self.mode = 'RGBA'
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self.info['sizes'] = self.icns.itersizes()
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self.best_size = self.icns.bestsize()
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self.size = (self.best_size[0] * self.best_size[2],
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self.best_size[1] * self.best_size[2])
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self.info['sizes'] = self.icns.itersizes()
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# Just use this to see if it's loaded or not yet.
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self.tile = ('',)
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@property
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def size(self):
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return self._size
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@size.setter
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def size(self, value):
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info_size = value
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if info_size not in self.info['sizes'] and len(info_size) == 2:
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info_size = (info_size[0], info_size[1], 1)
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if info_size not in self.info['sizes'] and len(info_size) == 3 and \
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info_size[2] == 1:
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simple_sizes = [(size[0] * size[2], size[1] * size[2])
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for size in self.info['sizes']]
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if value in simple_sizes:
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info_size = self.info['sizes'][simple_sizes.index(value)]
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if info_size not in self.info['sizes']:
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raise ValueError(
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"This is not one of the allowed sizes of this image")
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self._size = value
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def load(self):
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if len(self.size) == 3:
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self.best_size = self.size
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@ -169,7 +169,7 @@ class IcoFile(object):
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im = BmpImagePlugin.DibImageFile(self.buf)
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# change tile dimension to only encompass XOR image
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im.size = (im.size[0], int(im.size[1] / 2))
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im._size = (im.size[0], int(im.size[1] / 2))
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d, e, o, a = im.tile[0]
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im.tile[0] = d, (0, 0) + im.size, o, a
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@ -263,6 +263,17 @@ class IcoImageFile(ImageFile.ImageFile):
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self.size = self.ico.entry[0]['dim']
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self.load()
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@property
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def size(self):
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return self._size
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@size.setter
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def size(self, value):
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if value not in self.info['sizes']:
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raise ValueError(
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"This is not one of the allowed sizes of this image")
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self._size = value
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def load(self):
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im = self.ico.getimage(self.size)
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# if tile is PNG, it won't really be loaded yet
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@ -196,7 +196,7 @@ class ImImageFile(ImageFile.ImageFile):
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raise SyntaxError("Not an IM file")
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# Basic attributes
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self.size = self.info[SIZE]
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self._size = self.info[SIZE]
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self.mode = self.info[MODE]
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# Skip forward to start of image data
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@ -531,7 +531,7 @@ class Image(object):
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# FIXME: turn mode and size into delegating properties?
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self.im = None
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self.mode = ""
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self.size = (0, 0)
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self._size = (0, 0)
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self.palette = None
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self.info = {}
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self.category = NORMAL
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@ -546,11 +546,15 @@ class Image(object):
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def height(self):
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return self.size[1]
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@property
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def size(self):
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return self._size
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def _new(self, im):
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new = Image()
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new.im = im
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new.mode = im.mode
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new.size = im.size
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new._size = im.size
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if im.mode in ('P', 'PA'):
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if self.palette:
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new.palette = self.palette.copy()
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@ -698,7 +702,7 @@ class Image(object):
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info, mode, size, palette, data = state
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self.info = info
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self.mode = mode
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self.size = size
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self._size = size
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self.im = core.new(mode, size)
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if mode in ("L", "P") and palette:
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self.putpalette(palette)
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@ -2104,7 +2108,7 @@ class Image(object):
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self.im = im.im
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self.mode = im.mode
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self.size = size
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self._size = size
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self.readonly = 0
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self.pyaccess = None
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@ -78,10 +78,10 @@ class ImtImageFile(ImageFile.ImageFile):
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k, v = m.group(1, 2)
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if k == "width":
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xsize = int(v)
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self.size = xsize, ysize
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self._size = xsize, ysize
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elif k == "height":
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ysize = int(v)
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self.size = xsize, ysize
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self._size = xsize, ysize
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elif k == "pixel" and v == "n8":
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self.mode = "L"
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@ -118,7 +118,7 @@ class IptcImageFile(ImageFile.ImageFile):
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self.mode = "CMYK"[id]
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# size
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self.size = self.getint((3, 20)), self.getint((3, 30))
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self._size = self.getint((3, 20)), self.getint((3, 30))
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# compression
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try:
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@ -159,13 +159,13 @@ class Jpeg2KImageFile(ImageFile.ImageFile):
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sig = self.fp.read(4)
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if sig == b'\xff\x4f\xff\x51':
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self.codec = "j2k"
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self.size, self.mode = _parse_codestream(self.fp)
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self._size, self.mode = _parse_codestream(self.fp)
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else:
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sig = sig + self.fp.read(8)
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if sig == b'\x00\x00\x00\x0cjP \x0d\x0a\x87\x0a':
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self.codec = "jp2"
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self.size, self.mode = _parse_jp2_header(self.fp)
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self._size, self.mode = _parse_jp2_header(self.fp)
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else:
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raise SyntaxError('not a JPEG 2000 file')
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@ -198,8 +198,8 @@ class Jpeg2KImageFile(ImageFile.ImageFile):
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if self.reduce:
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power = 1 << self.reduce
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adjust = power >> 1
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self.size = (int((self.size[0] + adjust) / power),
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int((self.size[1] + adjust) / power))
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self._size = (int((self.size[0] + adjust) / power),
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int((self.size[1] + adjust) / power))
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if self.tile:
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# Update the reduce and layers settings
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@ -159,7 +159,7 @@ def SOF(self, marker):
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n = i16(self.fp.read(2))-2
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s = ImageFile._safe_read(self.fp, n)
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self.size = i16(s[3:]), i16(s[1:])
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self._size = i16(s[3:]), i16(s[1:])
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self.bits = i8(s[0])
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if self.bits != 8:
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@ -390,7 +390,7 @@ class JpegImageFile(ImageFile.ImageFile):
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if scale >= s:
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break
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e = e[0], e[1], (e[2]-e[0]+s-1)//s+e[0], (e[3]-e[1]+s-1)//s+e[1]
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self.size = ((self.size[0]+s-1)//s, (self.size[1]+s-1)//s)
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self._size = ((self.size[0]+s-1)//s, (self.size[1]+s-1)//s)
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scale = s
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self.tile = [(d, e, o, a)]
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@ -423,7 +423,7 @@ class JpegImageFile(ImageFile.ImageFile):
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pass
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self.mode = self.im.mode
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self.size = self.im.size
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self._size = self.im.size
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self.tile = []
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@ -59,7 +59,7 @@ class McIdasImageFile(ImageFile.ImageFile):
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raise SyntaxError("unsupported McIdas format")
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self.mode = mode
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self.size = w[10], w[9]
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self._size = w[10], w[9]
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offset = w[34] + w[15]
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stride = w[15] + w[10]*w[11]*w[14]
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@ -72,7 +72,7 @@ class MpegImageFile(ImageFile.ImageFile):
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raise SyntaxError("not an MPEG file")
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self.mode = "RGB"
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self.size = s.read(12), s.read(12)
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self._size = s.read(12), s.read(12)
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# --------------------------------------------------------------------
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@ -63,7 +63,7 @@ class MspImageFile(ImageFile.ImageFile):
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raise SyntaxError("bad MSP checksum")
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self.mode = "1"
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self.size = i16(s[4:]), i16(s[6:])
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self._size = i16(s[4:]), i16(s[6:])
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if s[:4] == b"DanM":
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self.tile = [("raw", (0, 0)+self.size, 32, ("1", 0, 1))]
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@ -48,14 +48,14 @@ class PcdImageFile(ImageFile.ImageFile):
|
|||
self.tile_post_rotate = -90
|
||||
|
||||
self.mode = "RGB"
|
||||
self.size = 768, 512 # FIXME: not correct for rotated images!
|
||||
self._size = 768, 512 # FIXME: not correct for rotated images!
|
||||
self.tile = [("pcd", (0, 0)+self.size, 96*2048, None)]
|
||||
|
||||
def load_end(self):
|
||||
if self.tile_post_rotate:
|
||||
# Handle rotated PCDs
|
||||
self.im = self.im.rotate(self.tile_post_rotate)
|
||||
self.size = self.im.size
|
||||
self._size = self.im.size
|
||||
|
||||
|
||||
#
|
||||
|
|
|
|||
|
|
@ -100,7 +100,7 @@ class PcxImageFile(ImageFile.ImageFile):
|
|||
raise IOError("unknown PCX mode")
|
||||
|
||||
self.mode = mode
|
||||
self.size = bbox[2]-bbox[0], bbox[3]-bbox[1]
|
||||
self._size = bbox[2]-bbox[0], bbox[3]-bbox[1]
|
||||
|
||||
bbox = (0, 0) + self.size
|
||||
logger.debug("size: %sx%s", *self.size)
|
||||
|
|
|
|||
|
|
@ -50,7 +50,7 @@ class PixarImageFile(ImageFile.ImageFile):
|
|||
# read rest of header
|
||||
s = s + self.fp.read(508)
|
||||
|
||||
self.size = i16(s[418:420]), i16(s[416:418])
|
||||
self._size = i16(s[418:420]), i16(s[416:418])
|
||||
|
||||
# get channel/depth descriptions
|
||||
mode = i16(s[424:426]), i16(s[426:428])
|
||||
|
|
|
|||
|
|
@ -577,7 +577,7 @@ class PngImageFile(ImageFile.ImageFile):
|
|||
# (believe me, I've tried ;-)
|
||||
|
||||
self.mode = self.png.im_mode
|
||||
self.size = self.png.im_size
|
||||
self._size = self.png.im_size
|
||||
self.info = self.png.im_info
|
||||
self.text = self.png.im_text # experimental
|
||||
self.tile = self.png.im_tile
|
||||
|
|
|
|||
|
|
@ -107,7 +107,7 @@ class PpmImageFile(ImageFile.ImageFile):
|
|||
self.mode = 'I'
|
||||
rawmode = 'I;32B'
|
||||
|
||||
self.size = xsize, ysize
|
||||
self._size = xsize, ysize
|
||||
self.tile = [("raw",
|
||||
(0, 0, xsize, ysize),
|
||||
self.fp.tell(),
|
||||
|
|
|
|||
|
|
@ -71,7 +71,7 @@ class PsdImageFile(ImageFile.ImageFile):
|
|||
raise IOError("not enough channels")
|
||||
|
||||
self.mode = mode
|
||||
self.size = i32(s[18:]), i32(s[14:])
|
||||
self._size = i32(s[18:]), i32(s[14:])
|
||||
|
||||
#
|
||||
# color mode data
|
||||
|
|
|
|||
|
|
@ -96,7 +96,7 @@ class SgiImageFile(ImageFile.ImageFile):
|
|||
if rawmode == "":
|
||||
raise ValueError("Unsupported SGI image mode")
|
||||
|
||||
self.size = xsize, ysize
|
||||
self._size = xsize, ysize
|
||||
self.mode = rawmode.split(";")[0]
|
||||
|
||||
# orientation -1 : scanlines begins at the bottom-left corner
|
||||
|
|
|
|||
|
|
@ -120,7 +120,7 @@ class SpiderImageFile(ImageFile.ImageFile):
|
|||
if iform != 1:
|
||||
raise SyntaxError("not a Spider 2D image")
|
||||
|
||||
self.size = int(h[12]), int(h[2]) # size in pixels (width, height)
|
||||
self._size = int(h[12]), int(h[2]) # size in pixels (width, height)
|
||||
self.istack = int(h[24])
|
||||
self.imgnumber = int(h[27])
|
||||
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@ class SunImageFile(ImageFile.ImageFile):
|
|||
|
||||
offset = 32
|
||||
|
||||
self.size = i32(s[4:8]), i32(s[8:12])
|
||||
self._size = i32(s[4:8]), i32(s[8:12])
|
||||
|
||||
depth = i32(s[12:16])
|
||||
# data_length = i32(s[16:20]) # unreliable, ignore.
|
||||
|
|
|
|||
|
|
@ -64,7 +64,7 @@ class TgaImageFile(ImageFile.ImageFile):
|
|||
|
||||
flags = i8(s[17])
|
||||
|
||||
self.size = i16(s[12:]), i16(s[14:])
|
||||
self._size = i16(s[12:]), i16(s[14:])
|
||||
|
||||
# validate header fields
|
||||
if colormaptype not in (0, 1) or\
|
||||
|
|
|
|||
|
|
@ -1174,7 +1174,7 @@ class TiffImageFile(ImageFile.ImageFile):
|
|||
# size
|
||||
xsize = self.tag_v2.get(IMAGEWIDTH)
|
||||
ysize = self.tag_v2.get(IMAGELENGTH)
|
||||
self.size = xsize, ysize
|
||||
self._size = xsize, ysize
|
||||
|
||||
if DEBUG:
|
||||
print("- size:", self.size)
|
||||
|
|
|
|||
|
|
@ -42,7 +42,7 @@ class WebPImageFile(ImageFile.ImageFile):
|
|||
self.info["icc_profile"] = icc_profile
|
||||
if exif:
|
||||
self.info["exif"] = exif
|
||||
self.size = width, height
|
||||
self._size = width, height
|
||||
self.fp = BytesIO(data)
|
||||
self.tile = [("raw", (0, 0) + self.size, 0, self.mode)]
|
||||
self._n_frames = 1
|
||||
|
|
@ -55,7 +55,7 @@ class WebPImageFile(ImageFile.ImageFile):
|
|||
# Get info from decoder
|
||||
width, height, loop_count, bgcolor, frame_count, mode = \
|
||||
self._decoder.get_info()
|
||||
self.size = width, height
|
||||
self._size = width, height
|
||||
self.info["loop"] = loop_count
|
||||
bg_a, bg_r, bg_g, bg_b = \
|
||||
(bgcolor >> 24) & 0xFF, \
|
||||
|
|
|
|||
|
|
@ -143,7 +143,7 @@ class WmfStubImageFile(ImageFile.StubImageFile):
|
|||
raise SyntaxError("Unsupported file format")
|
||||
|
||||
self.mode = "RGB"
|
||||
self.size = size
|
||||
self._size = size
|
||||
|
||||
loader = self._load()
|
||||
if loader:
|
||||
|
|
|
|||
|
|
@ -65,7 +65,7 @@ class XVThumbImageFile(ImageFile.ImageFile):
|
|||
s = s.strip().split()
|
||||
|
||||
self.mode = "P"
|
||||
self.size = int(s[0]), int(s[1])
|
||||
self._size = int(s[0]), int(s[1])
|
||||
|
||||
self.palette = ImagePalette.raw("RGB", PALETTE)
|
||||
|
||||
|
|
|
|||
|
|
@ -63,7 +63,7 @@ class XbmImageFile(ImageFile.ImageFile):
|
|||
)
|
||||
|
||||
self.mode = "1"
|
||||
self.size = xsize, ysize
|
||||
self._size = xsize, ysize
|
||||
|
||||
self.tile = [("xbm", (0, 0)+self.size, m.end(), None)]
|
||||
|
||||
|
|
|
|||
|
|
@ -51,7 +51,7 @@ class XpmImageFile(ImageFile.ImageFile):
|
|||
if m:
|
||||
break
|
||||
|
||||
self.size = int(m.group(1)), int(m.group(2))
|
||||
self._size = int(m.group(1)), int(m.group(2))
|
||||
|
||||
pal = int(m.group(3))
|
||||
bpp = int(m.group(4))
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user