Exemplo n.º 1
0
             o32(im.size[1]) +          # height
             o16(1) +                   # planes
             o16(bits) +                # depth
             o32(0) +                   # compression (0=uncompressed)
             o32(image) +               # size of bitmap
             o32(1) + o32(1) +          # resolution
             o32(colors) +              # colors used
             o32(colors))               # colors important

    fp.write("\000" * (header - 40))    # padding (for OS/2 format)

    if im.mode == "1":
        for i in (0, 255):
            fp.write(chr(i) * 4)
    elif im.mode == "L":
        for i in range(256):
            fp.write(chr(i) * 4)
    elif im.mode == "P":
        fp.write(im.im.getpalette("RGB", "BGRX"))

    ImageFile._save(im, fp, [("raw", (0,0)+im.size, 0, (rawmode, stride, -1))])

#
# --------------------------------------------------------------------
# Registry

Image.register_open(BmpImageFile.format, BmpImageFile, _accept)
Image.register_save(BmpImageFile.format, _save)

Image.register_extension(BmpImageFile.format, ".bmp")
Exemplo n.º 2
0
    # PCX header
    fp.write(
        chr(10) + chr(version) + chr(1) + chr(bits) + o16(0) + o16(0) +
        o16(im.size[0] - 1) + o16(im.size[1] - 1) + o16(dpi[0]) + o16(dpi[1]) +
        chr(0) * 24 + chr(255) * 24 + chr(0) + chr(planes) + o16(stride) +
        o16(1) + o16(screen[0]) + o16(screen[1]) + chr(0) * 54)

    assert fp.tell() == 128

    ImageFile._save(im, fp,
                    [("pcx", (0, 0) + im.size, 0, (rawmode, bits * planes))])

    if im.mode == "P":
        # colour palette
        fp.write(chr(12))
        fp.write(im.im.getpalette("RGB", "RGB"))  # 768 bytes
    elif im.mode == "L":
        # greyscale palette
        fp.write(chr(12))
        for i in range(256):
            fp.write(chr(i) * 3)


# --------------------------------------------------------------------
# registry

Image.register_open("PCX", PcxImageFile, _accept)
Image.register_save("PCX", _save)

Image.register_extension("PCX", ".pcx")
Exemplo n.º 3
0
                # read key/value pair
                # FIXME: dangerous, may read whole file
                s = s + self.fp.readline()
                if len(s) == 1 or len(s) > 100:
                    break
                if s[0] == "*":
                    continue # comment

                m = field.match(s)
                if not m:
                    break
                k, v = m.group(1,2)
                if k == "width":
                    xsize = int(v)
                    self.size = xsize, ysize
                elif k == "height":
                    ysize = int(v)
                    self.size = xsize, ysize
                elif k == "pixel" and v == "n8":
                    self.mode = "L"


#
# --------------------------------------------------------------------

Image.register_open("IMT", ImtImageFile)

#
# no extension registered (".im" is simply too common)
Exemplo n.º 4
0
            if not m:
                m = s
            elif ord(s[0]) > ord(m[0]) and ord(s[1]) > ord(m[1]):
                m = s
            #print "width", ord(s[0])
            #print "height", ord(s[1])
            #print "colors", ord(s[2])
            #print "reserved", ord(s[3])
            #print "hotspot x", i16(s[4:])
            #print "hotspot y", i16(s[6:])
            #print "bytes", i32(s[8:])
            #print "offset", i32(s[12:])

        # load as bitmap
        self._bitmap(i32(m[12:]) + offset)

        # patch up the bitmap height
        self.size = self.size[0], self.size[1]/2
        d, e, o, a = self.tile[0]
        self.tile[0] = d, (0,0)+self.size, o, a

        return


#
# --------------------------------------------------------------------

Image.register_open("CUR", CurImageFile, _accept)

Image.register_extension("CUR", ".cur")
Exemplo n.º 5
0
##
# Image plugin for MPEG streams.  This plugin can identify a stream,
# but it cannot read it.


class MpegImageFile(ImageFile.ImageFile):

    format = "MPEG"
    format_description = "MPEG"

    def _open(self):

        s = BitStream(self.fp)

        if s.read(32) != 0x1B3:
            raise SyntaxError, "not an MPEG file"

        self.mode = "RGB"
        self.size = s.read(12), s.read(12)


# --------------------------------------------------------------------
# Registry stuff

Image.register_open("MPEG", MpegImageFile)

Image.register_extension("MPEG", ".mpg")
Image.register_extension("MPEG", ".mpeg")

Image.register_mime("MPEG", "video/mpeg")
Exemplo n.º 6
0
    # create MSP header
    header = [0] * 16

    header[0], header[1] = i16("Da"), i16("nM")  # version 1
    header[2], header[3] = im.size
    header[4], header[5] = 1, 1
    header[6], header[7] = 1, 1
    header[8], header[9] = im.size

    sum = 0
    for h in header:
        sum = sum ^ h
    header[12] = sum  # FIXME: is this the right field?

    # header
    for h in header:
        fp.write(o16(h))

    # image body
    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 32, ("1", 0, 1))])


#
# registry

Image.register_open("MSP", MspImageFile, _accept)
Image.register_save("MSP", _save)

Image.register_extension("MSP", ".msp")
Exemplo n.º 7
0
        try:
            try:
                # fast
                self.im = Image.core.open_ppm(outfile)
            except:
                # slightly slower
                im = Image.open(outfile)
                im.load()
                self.im = im.im
        finally:
            try: os.unlink(outfile)
            except: pass


Image.register_open("IPTC", IptcImageFile)

Image.register_extension("IPTC", ".iim")

##
# Get IPTC information from TIFF, JPEG, or IPTC file.
#
# @param im An image containing IPTC data.
# @return A dictionary containing IPTC information, or None if
#     no IPTC information block was found.

def getiptcinfo(im):

    import TiffImagePlugin, JpegImagePlugin
    import StringIO
            raise SyntaxError("Not an HDF file")

        self.fp.seek(offset)

        # make something up
        self.mode = "F"
        self.size = 1, 1

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("HDF5 save handler not installed")
    _handler.save(im, fp, filename)


# --------------------------------------------------------------------
# Registry

Image.register_open(HDF5StubImageFile.format, HDF5StubImageFile, _accept)
Image.register_save(HDF5StubImageFile.format, _save)

Image.register_extension(HDF5StubImageFile.format, ".h5")
Image.register_extension(HDF5StubImageFile.format, ".hdf")
Exemplo n.º 9
0
    fp.writelines(hdr)

    rawmode = "F;32NF"  #32-bit native floating point
    ImageFile._save(im, fp, [("raw", (0,0)+im.size, 0, (rawmode,0,1))])

    fp.close()

def _save_spider(im, fp, filename):
    # get the filename extension and register it with Image
    fn, ext = os.path.splitext(filename)
    Image.register_extension("SPIDER", ext)
    _save(im, fp, filename)

# --------------------------------------------------------------------

Image.register_open("SPIDER", SpiderImageFile)
Image.register_save("SPIDER", _save_spider)

if __name__ == "__main__":

    if not sys.argv[1:]:
        print "Syntax: python SpiderImagePlugin.py Spiderimage [outfile]"
        sys.exit()

    filename = sys.argv[1]
    if not isSpiderImage(filename):
        print "input image must be in Spider format"
        sys.exit()

    outfile = ""
    if len(sys.argv[1:]) > 1:
Exemplo n.º 10
0
def _save(im, fp, filename):
    if im.mode == "1":
        rawmode, head = "1;I", "P4"
    elif im.mode == "L":
        rawmode, head = "L", "P5"
    elif im.mode == "RGB":
        rawmode, head = "RGB", "P6"
    elif im.mode == "RGBA":
        rawmode, head = "RGB", "P6"
    else:
        raise IOError, "cannot write mode %s as PPM" % im.mode
    fp.write(head + "\n%d %d\n" % im.size)
    if head != "P4":
        fp.write("255\n")
    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, 1))])

    # ALTERNATIVE: save via builtin debug function
    # im._dump(filename)


#
# --------------------------------------------------------------------

Image.register_open("PPM", PpmImageFile, _accept)
Image.register_save("PPM", _save)

Image.register_extension("PPM", ".pbm")
Image.register_extension("PPM", ".pgm")
Image.register_extension("PPM", ".ppm")
Exemplo n.º 11
0
            self.mode = rawmode = "L"
        elif depth == 24:
            self.mode, rawmode = "RGB", "BGR"
        else:
            raise SyntaxError, "unsupported mode"

        compression = i32(s[20:24])

        if i32(s[24:28]) != 0:
            length = i32(s[28:32])
            offset = offset + length
            self.palette = ImagePalette.raw("RGB;L", self.fp.read(length))
            if self.mode == "L":
                self.mode = rawmode = "P"

        stride = (((self.size[0] * depth + 7) / 8) + 3) & (~3)

        if compression == 1:
            self.tile = [("raw", (0, 0) + self.size, offset, (rawmode, stride))
                         ]
        elif compression == 2:
            self.tile = [("sun_rle", (0, 0) + self.size, offset, rawmode)]


#
# registry

Image.register_open("SUN", SunImageFile, _accept)

Image.register_extension("SUN", ".ras")
Exemplo n.º 12
0
        s = self.fp.read(6)
        if s != "P7 332":
            raise SyntaxError, "not an XV thumbnail file"

        # Skip to beginning of next line
        self.fp.readline()

        # skip info comments
        while 1:
            s = self.fp.readline()
            if not s:
                raise SyntaxError, "Unexpected EOF reading XV thumbnail file"
            if s[0] != '#':
                break

        # parse header line (already read)
        s = string.split(s.strip())

        self.mode = "P"
        self.size = int(s[0]), int(s[1])

        self.palette = ImagePalette.raw("RGB", PALETTE)

        self.tile = [("raw", (0, 0) + self.size, self.fp.tell(), (self.mode, 0,
                                                                  1))]


# --------------------------------------------------------------------

Image.register_open("XVThumb", XVThumbImageFile)
Exemplo n.º 13
0
        + chr(planes)
        + o16(stride)
        + o16(1)
        + o16(screen[0])
        + o16(screen[1])
        + chr(0) * 54
    )

    assert fp.tell() == 128

    ImageFile._save(im, fp, [("pcx", (0, 0) + im.size, 0, (rawmode, bits * planes))])

    if im.mode == "P":
        # colour palette
        fp.write(chr(12))
        fp.write(im.im.getpalette("RGB", "RGB"))  # 768 bytes
    elif im.mode == "L":
        # greyscale palette
        fp.write(chr(12))
        for i in range(256):
            fp.write(chr(i) * 3)


# --------------------------------------------------------------------
# registry

Image.register_open("PCX", PcxImageFile, _accept)
Image.register_save("PCX", _save)

Image.register_extension("PCX", ".pcx")
Exemplo n.º 14
0
##
# Image plugin for MPEG streams.  This plugin can identify a stream,
# but it cannot read it.

class MpegImageFile(ImageFile.ImageFile):

    format = "MPEG"
    format_description = "MPEG"

    def _open(self):

        s = BitStream(self.fp)

        if s.read(32) != 0x1B3:
            raise SyntaxError, "not an MPEG file"

        self.mode = "RGB"
        self.size = s.read(12), s.read(12)


# --------------------------------------------------------------------
# Registry stuff

Image.register_open("MPEG", MpegImageFile)

Image.register_extension("MPEG", ".mpg")
Image.register_extension("MPEG", ".mpeg")

Image.register_mime("MPEG", "video/mpeg")
Exemplo n.º 15
0
        raise ValueError, "Cannot save %s images as IM" % im.mode

    try:
        frames = im.encoderinfo["frames"]
    except KeyError:
        frames = 1

    if check:
        return check

    fp.write("Image type: %s image\r\n" % type)
    if filename:
        fp.write("Name: %s\r\n" % filename)
    fp.write("Image size (x*y): %d*%d\r\n" % im.size)
    fp.write("File size (no of images): %d\r\n" % frames)
    if im.mode == "P":
        fp.write("Lut: 1\r\n")
    fp.write("\000" * (511-fp.tell()) + "\032")
    if im.mode == "P":
        fp.write(im.im.getpalette("RGB", "RGB;L")) # 768 bytes
    ImageFile._save(im, fp, [("raw", (0,0)+im.size, 0, (rawmode, 0, -1))])

#
# --------------------------------------------------------------------
# Registry

Image.register_open("IM", ImImageFile)
Image.register_save("IM", _save)

Image.register_extension("IM", ".im")
Exemplo n.º 16
0
        if frame != self.frame + 1:
            raise ValueError, "cannot seek to frame %d" % frame
        self.frame = frame

        # move to next frame
        self.fp = self.__fp
        self.fp.seek(self.__offset)

        s = self.fp.read(4)
        if not s:
            raise EOFError

        framesize = i32(s)

        self.decodermaxblock = framesize
        self.tile = [("fli", (0,0)+self.size, self.__offset, None)]

        self.__offset = self.__offset + framesize

    def tell(self):

        return self.frame

#
# registry

Image.register_open("FLI", FliImageFile, _accept)

Image.register_extension("FLI", ".fli")
Image.register_extension("FLI", ".flc")
Exemplo n.º 17
0
            self.tile = [("xbm", (0, 0) + self.size, m.end(), None)]


def _save(im, fp, filename):

    if im.mode != "1":
        raise IOError, "cannot write mode %s as XBM" % im.mode

    fp.write("#define im_width %d\n" % im.size[0])
    fp.write("#define im_height %d\n" % im.size[1])

    hotspot = im.encoderinfo.get("hotspot")
    if hotspot:
        fp.write("#define im_x_hot %d\n" % hotspot[0])
        fp.write("#define im_y_hot %d\n" % hotspot[1])

    fp.write("static char im_bits[] = {\n")

    ImageFile._save(im, fp, [("xbm", (0, 0) + im.size, 0, None)])

    fp.write("};\n")


Image.register_open("XBM", XbmImageFile, _accept)
Image.register_save("XBM", _save)

Image.register_extension("XBM", ".xbm")

Image.register_mime("XBM", "image/xbm")
Exemplo n.º 18
0
            raise ValueError, "cannot seek to frame %d" % frame
        self.frame = frame

        # move to next frame
        self.fp = self.__fp
        self.fp.seek(self.__offset)

        s = self.fp.read(4)
        if not s:
            raise EOFError

        framesize = i32(s)

        self.decodermaxblock = framesize
        self.tile = [("fli", (0, 0) + self.size, self.__offset, None)]

        self.__offset = self.__offset + framesize

    def tell(self):

        return self.frame


#
# registry

Image.register_open("FLI", FliImageFile, _accept)

Image.register_extension("FLI", ".fli")
Image.register_extension("FLI", ".flc")
Exemplo n.º 19
0
    orientation = im.info.get("orientation", -1)
    if orientation > 0:
        flags = flags | 0x20

    fp.write("\000" +
             chr(colormaptype) +
             chr(imagetype) +
             o16(colormapfirst) +
             o16(colormaplength) +
             chr(colormapentry) +
             o16(0) +
             o16(0) +
             o16(im.size[0]) +
             o16(im.size[1]) +
             chr(bits) +
             chr(flags))

    if colormaptype:
        fp.write(im.im.getpalette("RGB", "BGR"))

    ImageFile._save(im, fp, [("raw", (0,0)+im.size, 0, (rawmode, 0, orientation))])

#
# --------------------------------------------------------------------
# Registry

Image.register_open("TGA", TgaImageFile, _accept)
Image.register_save("TGA", _save)

Image.register_extension("TGA", ".tga")
Exemplo n.º 20
0
            if not m:
                m = s
            elif ord(s[0]) > ord(m[0]) and ord(s[1]) > ord(m[1]):
                m = s
            #print "width", ord(s[0])
            #print "height", ord(s[1])
            #print "colors", ord(s[2])
            #print "reserved", ord(s[3])
            #print "planes", i16(s[4:])
            #print "bitcount", i16(s[6:])
            #print "bytes", i32(s[8:])
            #print "offset", i32(s[12:])

        # load as bitmap
        self._bitmap(i32(m[12:]))

        # patch up the bitmap height
        self.size = self.size[0], self.size[1]/2
        d, e, o, a = self.tile[0]
        self.tile[0] = d, (0,0)+self.size, o, a

        return


#
# --------------------------------------------------------------------

Image.register_open("ICO", IcoImageFile, _accept)

Image.register_extension("ICO", ".ico")
Exemplo n.º 21
0
        if s != "P7 332":
            raise SyntaxError, "not an XV thumbnail file"

        # Skip to beginning of next line
        self.fp.readline()

        # skip info comments
        while 1:
            s = self.fp.readline()
            if not s:
                raise SyntaxError, "Unexpected EOF reading XV thumbnail file"
            if s[0] != '#':
                break

        # parse header line (already read)
        s = string.split(s.strip())

        self.mode = "P"
        self.size = int(s[0]), int(s[1])

        self.palette = ImagePalette.raw("RGB", PALETTE)

        self.tile = [
            ("raw", (0, 0)+self.size,
             self.fp.tell(), (self.mode, 0, 1)
             )]

# --------------------------------------------------------------------

Image.register_open("XVThumb", XVThumbImageFile)
Exemplo n.º 22
0
        subsampling,
        extra,
    )

    ImageFile._save(im, fp, [("jpeg", (0, 0) + im.size, 0, rawmode)])


def _save_cjpeg(im, fp, filename):
    # ALTERNATIVE: handle JPEGs via the IJG command line utilities.
    import os
    file = im._dump()
    os.system("cjpeg %s >%s" % (file, filename))
    try:
        os.unlink(file)
    except:
        pass


# -------------------------------------------------------------------q-
# Registry stuff

Image.register_open("JPEG", JpegImageFile, _accept)
Image.register_save("JPEG", _save)

Image.register_extension("JPEG", ".jfif")
Image.register_extension("JPEG", ".jpe")
Image.register_extension("JPEG", ".jpg")
Image.register_extension("JPEG", ".jpeg")

Image.register_mime("JPEG", "image/jpeg")
Exemplo n.º 23
0
        if not _accept(self.fp.read(8)):
            raise SyntaxError("Not a GRIB file")

        self.fp.seek(offset)

        # make something up
        self.mode = "F"
        self.size = 1, 1

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("GRIB save handler not installed")
    _handler.save(im, fp, filename)


# --------------------------------------------------------------------
# Registry

Image.register_open(GribStubImageFile.format, GribStubImageFile, _accept)
Image.register_save(GribStubImageFile.format, _save)

Image.register_extension(GribStubImageFile.format, ".grib")
Exemplo n.º 24
0
        def append(self, chunk):
            self.data.append(chunk)

    def append(fp, cid, *data):
        data = string.join(data, "")
        hi, lo = Image.core.crc32(data, Image.core.crc32(cid))
        crc = o16(hi) + o16(lo)
        fp.append((cid, data, crc))

    fp = collector()

    try:
        im.encoderinfo = params
        _save(im, fp, None, append)
    finally:
        del im.encoderinfo

    return fp.data


# --------------------------------------------------------------------
# Registry

Image.register_open("PNG", PngImageFile, _accept)
Image.register_save("PNG", _save)

Image.register_extension("PNG", ".png")

Image.register_mime("PNG", "image/png")
Exemplo n.º 25
0
    # data orientation
    stride = len(bits) * ((im.size[0]*bits[0]+7)/8)
    ifd[ROWSPERSTRIP] = im.size[1]
    ifd[STRIPBYTECOUNTS] = stride * im.size[1]
    ifd[STRIPOFFSETS] = 0 # this is adjusted by IFD writer
    ifd[COMPRESSION] = 1 # no compression

    offset = ifd.save(fp)

    ImageFile._save(im, fp, [
        ("raw", (0,0)+im.size, offset, (rawmode, stride, 1))
        ])


    # -- helper for multi-page save --
    if im.encoderinfo.has_key("_debug_multipage"):
        #just to access o32 and o16 (using correct byte order)
        im._debug_multipage = ifd

#
# --------------------------------------------------------------------
# Register

Image.register_open("TIFF", TiffImageFile, _accept)
Image.register_save("TIFF", _save)

Image.register_extension("TIFF", ".tif")
Image.register_extension("TIFF", ".tiff")

Image.register_mime("TIFF", "image/tiff")
Exemplo n.º 26
0
    # create MSP header
    header = [0] * 16

    header[0], header[1] = i16("Da"), i16("nM")  # version 1
    header[2], header[3] = im.size
    header[4], header[5] = 1, 1
    header[6], header[7] = 1, 1
    header[8], header[9] = im.size

    sum = 0
    for h in header:
        sum = sum ^ h
    header[12] = sum  # FIXME: is this the right field?

    # header
    for h in header:
        fp.write(o16(h))

    # image body
    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 32, ("1", 0, 1))])


#
# registry

Image.register_open("MSP", MspImageFile, _accept)
Image.register_save("MSP", _save)

Image.register_extension("MSP", ".msp")
Exemplo n.º 27
0
                # read key/value pair
                # FIXME: dangerous, may read whole file
                s = s + self.fp.readline()
                if len(s) == 1 or len(s) > 100:
                    break
                if s[0] == "*":
                    continue  # comment

                m = field.match(s)
                if not m:
                    break
                k, v = m.group(1, 2)
                if k == "width":
                    xsize = int(v)
                    self.size = xsize, ysize
                elif k == "height":
                    ysize = int(v)
                    self.size = xsize, ysize
                elif k == "pixel" and v == "n8":
                    self.mode = "L"


#
# --------------------------------------------------------------------

Image.register_open("IMT", ImtImageFile)

#
# no extension registered (".im" is simply too common)
Exemplo n.º 28
0
                if Image.DEBUG:
                    print cid, bytes, "(unknown)"
                s = self.fp.read(bytes)

            self.arg.crc(cid, s)

        self.fp.read(4) # ship extra CRC

    def tell(self):
        return 0

    def verify(self):
        "Verify ARG file"

        # back up to first chunk
        self.fp.seek(8)

        self.arg.verify(self)
        self.arg.close()

        self.fp = None

#
# --------------------------------------------------------------------

Image.register_open("ARG", ArgImageFile, _accept)

Image.register_extension("ARG", ".arg")

Image.register_mime("ARG", "video/x-arg")
Exemplo n.º 29
0
        if not _accept(self.fp.read(8)):
            raise SyntaxError("Not a BUFR file")

        self.fp.seek(offset)

        # make something up
        self.mode = "F"
        self.size = 1, 1

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("BUFR save handler not installed")
    _handler.save(im, fp, filename)


# --------------------------------------------------------------------
# Registry

Image.register_open(BufrStubImageFile.format, BufrStubImageFile, _accept)
Image.register_save(BufrStubImageFile.format, _save)

Image.register_extension(BufrStubImageFile.format, ".bufr")
Exemplo n.º 30
0
        self.mode = "RGB"
        self.size = 768, 512 # FIXME: not correct for rotated images!
        self.tile = [("pcd", (0,0)+self.size, 96*2048, None)]

    def draft(self, mode, size):

        if len(self.tile) != 1:
            return

        d, e, o, a = self.tile[0]

        if size:
            scale = max(self.size[0] / size[0], self.size[1] / size[1])
            for s, o in [(4,0*2048), (2,0*2048), (1,96*2048)]:
                if scale >= s:
                    break
            # e = e[0], e[1], (e[2]-e[0]+s-1)/s+e[0], (e[3]-e[1]+s-1)/s+e[1]
            # self.size = ((self.size[0]+s-1)/s, (self.size[1]+s-1)/s)

        self.tile = [(d, e, o, a)]

        return self

#
# registry

Image.register_open("PCD", PcdImageFile)

Image.register_extension("PCD", ".pcd")
Exemplo n.º 31
0
                 o16(offset[0]) +       # offset
                 o16(offset[1]) +
                 o16(im.size[0]) +      # size
                 o16(im.size[1]) +
                 chr(0) +               # flags
                 chr(8))                # bits

        ImageFile._save(im, fp, [("gif", (0,0)+im.size, 0, RAWMODE[im.mode])])

        fp.write("\0") # end of image data

    finally:
        del im.encoderinfo

    return fp.data


# --------------------------------------------------------------------
# Registry

Image.register_open(GifImageFile.format, GifImageFile, _accept)
Image.register_save(GifImageFile.format, _save)
Image.register_extension(GifImageFile.format, ".gif")
Image.register_mime(GifImageFile.format, "image/gif")

#
# Uncomment the following line if you wish to use NETPBM/PBMPLUS
# instead of the built-in "uncompressed" GIF encoder

# Image.register_save(GifImageFile.format, _save_netpbm)
Exemplo n.º 32
0
    def _open(self):

        # assuming a 4-byte magic label (FIXME: add "_accept" hook)
        s = self.fp.read(4)
        if s != "\200\350\000\000":
            raise SyntaxError, "not a PIXAR file"

        # read rest of header
        s = s + self.fp.read(508)

        self.size = i16(s[418:420]), i16(s[416:418])

        # get channel/depth descriptions
        mode = i16(s[424:426]), i16(s[426:428])

        if mode == (14, 2):
            self.mode = "RGB"
        # FIXME: to be continued...

        # create tile descriptor (assuming "dumped")
        self.tile = [("raw", (0,0)+self.size, 1024, (self.mode, 0, 1))]

#
# --------------------------------------------------------------------

Image.register_open("PIXAR", PixarImageFile)

#
# FIXME: what's the standard extension?
Exemplo n.º 33
0
        # include SIMPLE, BITPIX, NAXIS, etc.

        self.fp.seek(offset)

        # make something up
        self.mode = "F"
        self.size = 1, 1

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("FITS save handler not installed")
    _handler.save(im, fp, filename)


# --------------------------------------------------------------------
# Registry

Image.register_open(FITSStubImageFile.format, FITSStubImageFile, _accept)
Image.register_save(FITSStubImageFile.format, _save)

Image.register_extension(FITSStubImageFile.format, ".fit")
Image.register_extension(FITSStubImageFile.format, ".fits")
Exemplo n.º 34
0
        if len(self.images) > 1:
            self.category = Image.CONTAINER

        self.seek(0)

    def seek(self, frame):

        try:
            filename = self.images[frame]
        except IndexError:
            raise EOFError, "no such frame"

        self.fp = self.ole.openstream(filename)

        TiffImagePlugin.TiffImageFile._open(self)

        self.frame = frame

    def tell(self):

        return self.frame


#
# --------------------------------------------------------------------

Image.register_open("MIC", MicImageFile, _accept)

Image.register_extension("MIC", ".mic")
Exemplo n.º 35
0
        def append(self, chunk):
            self.data.append(chunk)

    def append(fp, cid, *data):
        data = string.join(data, "")
        hi, lo = Image.core.crc32(data, Image.core.crc32(cid))
        crc = o16(hi) + o16(lo)
        fp.append((cid, data, crc))

    fp = collector()

    try:
        im.encoderinfo = params
        _save(im, fp, None, append)
    finally:
        del im.encoderinfo

    return fp.data


# --------------------------------------------------------------------
# Registry

Image.register_open("PNG", PngImageFile, _accept)
Image.register_save("PNG", _save)

Image.register_extension("PNG", ".png")

Image.register_mime("PNG", "image/png")
Exemplo n.º 36
0
        s = self.fp.read(4)
        if i32(s) != MAGIC:
            raise SyntaxError, "not a DCX file"

        # Component directory
        self._offset = []
        for i in range(1024):
            offset = i32(self.fp.read(4))
            if not offset:
                break
            self._offset.append(offset)

        self.__fp = self.fp
        self.seek(0)

    def seek(self, frame):
        if frame >= len(self._offset):
            raise EOFError("attempt to seek outside DCX directory")
        self.frame = frame
        self.fp = self.__fp
        self.fp.seek(self._offset[frame])
        PcxImageFile._open(self)

    def tell(self):
        return self.frame


Image.register_open("DCX", DcxImageFile, _accept)

Image.register_extension("DCX", ".dcx")
Exemplo n.º 37
0
                    print cid, bytes, "(unknown)"
                s = self.fp.read(bytes)

            self.arg.crc(cid, s)

        self.fp.read(4)  # ship extra CRC

    def tell(self):
        return 0

    def verify(self):
        "Verify ARG file"

        # back up to first chunk
        self.fp.seek(8)

        self.arg.verify(self)
        self.arg.close()

        self.fp = None


#
# --------------------------------------------------------------------

Image.register_open("ARG", ArgImageFile, _accept)

Image.register_extension("ARG", ".arg")

Image.register_mime("ARG", "video/x-arg")
Exemplo n.º 38
0
            raise SyntaxError("Not an HDF file")

        self.fp.seek(offset)

        # make something up
        self.mode = "F"
        self.size = 1, 1

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("HDF5 save handler not installed")
    _handler.save(im, fp, filename)


# --------------------------------------------------------------------
# Registry

Image.register_open(HDF5StubImageFile.format, HDF5StubImageFile, _accept)
Image.register_save(HDF5StubImageFile.format, _save)

Image.register_extension(HDF5StubImageFile.format, ".h5")
Image.register_extension(HDF5StubImageFile.format, ".hdf")
Exemplo n.º 39
0
    elif compression == 1:
        #
        # packbits compression
        i = 0
        tile = []
        bytecount = read(channels * ysize * 2)
        offset = file.tell()
        for channel in range(channels):
            layer = mode[channel]
            if mode == "CMYK":
                layer = layer + ";I"
            tile.append(("packbits", bbox, offset, layer))
            for y in range(ysize):
                offset = offset + i16(bytecount[i:i + 2])
                i = i + 2

    file.seek(offset)

    if offset & 1:
        read(1)  # padding

    return tile


# --------------------------------------------------------------------
# registry

Image.register_open("PSD", PsdImageFile, _accept)

Image.register_extension("PSD", ".psd")
Exemplo n.º 40
0
        s = self.fp.read(4)
        if i32(s) != MAGIC:
            raise SyntaxError, "not a DCX file"

        # Component directory
        self._offset = []
        for i in range(1024):
            offset = i32(self.fp.read(4))
            if not offset:
                break
            self._offset.append(offset)

        self.__fp = self.fp
        self.seek(0)

    def seek(self, frame):
        if frame >= len(self._offset):
            raise EOFError("attempt to seek outside DCX directory")
        self.frame = frame
        self.fp = self.__fp
        self.fp.seek(self._offset[frame])
        PcxImageFile._open(self)

    def tell(self):
        return self.frame


Image.register_open("DCX", DcxImageFile, _accept)

Image.register_extension("DCX", ".dcx")
Exemplo n.º 41
0
                # data must be placed in the tile descriptor itself!

                if jpeg_tables:
                    self.tile_prefix = self.jpeg[jpeg_tables]

            else:
                raise IOError, "unknown/invalid compression"

            x = x + xtile
            if x >= xsize:
                x, y = 0, y + ytile
                if y >= ysize:
                    break # isn't really required

        self.stream = stream
        self.fp = None

    def load(self):

        if not self.fp:
            self.fp = self.ole.openstream(self.stream[:2] + ["Subimage 0000 Data"])

        ImageFile.ImageFile.load(self)

#
# --------------------------------------------------------------------

Image.register_open("FPX", FpxImageFile, _accept)

Image.register_extension("FPX", ".fpx")
Exemplo n.º 42
0
        self.mode = "P"
        self.palette = ImagePalette.raw("RGB", string.join(palette, ""))

        self.tile = [("raw", (0, 0)+self.size, self.fp.tell(), ("P", 0, 1))]

    def load_read(self, bytes):

        #
        # load all image data in one chunk

        xsize, ysize = self.size

        s = [None] * ysize

        for i in range(ysize):
            s[i] = string.ljust(self.fp.readline()[1:xsize+1], xsize)

        self.fp = None

        return string.join(s, "")

#
# Registry

Image.register_open("XPM", XpmImageFile, _accept)

Image.register_extension("XPM", ".xpm")

Image.register_mime("XPM", "image/xpm")
Exemplo n.º 43
0
        self.frame = 0

        if len(self.images) > 1:
            self.category = Image.CONTAINER

        self.seek(0)

    def seek(self, frame):

        try:
            filename = self.images[frame]
        except IndexError:
            raise EOFError, "no such frame"

        self.fp = self.ole.openstream(filename)

        TiffImagePlugin.TiffImageFile._open(self)

        self.frame = frame

    def tell(self):

        return self.frame

#
# --------------------------------------------------------------------

Image.register_open("MIC", MicImageFile, _accept)

Image.register_extension("MIC", ".mic")
Exemplo n.º 44
0
            self.mode, rawmode = "1", "1;I"
        elif depth == 8:
            self.mode = rawmode = "L"
        elif depth == 24:
            self.mode, rawmode = "RGB", "BGR"
        else:
            raise SyntaxError, "unsupported mode"

        compression = i32(s[20:24])

        if i32(s[24:28]) != 0:
            length = i32(s[28:32])
            offset = offset + length
            self.palette = ImagePalette.raw("RGB;L", self.fp.read(length))
            if self.mode == "L":
                self.mode = rawmode = "P"

        stride = (((self.size[0] * depth + 7) / 8) + 3) & (~3)

        if compression == 1:
            self.tile = [("raw", (0,0)+self.size, offset, (rawmode, stride))]
        elif compression == 2:
            self.tile = [("sun_rle", (0,0)+self.size, offset, rawmode)]

#
# registry

Image.register_open("SUN", SunImageFile, _accept)

Image.register_extension("SUN", ".ras")
Exemplo n.º 45
0
                self.info["dpi"] = xdpi, ydpi

        else:
            raise SyntaxError("Unsupported file format")

        self.mode = "RGB"
        self.size = size

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("WMF save handler not installed")
    _handler.save(im, fp, filename)

#
# --------------------------------------------------------------------
# Registry stuff

Image.register_open(WmfStubImageFile.format, WmfStubImageFile, _accept)
Image.register_save(WmfStubImageFile.format, _save)

Image.register_extension(WmfStubImageFile.format, ".wmf")
Image.register_extension(WmfStubImageFile.format, ".emf")
Exemplo n.º 46
0
        else:
            raise SyntaxError("Unsupported file format")

        self.mode = "RGB"
        self.size = size

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("WMF save handler not installed")
    _handler.save(im, fp, filename)


#
# --------------------------------------------------------------------
# Registry stuff

Image.register_open(WmfStubImageFile.format, WmfStubImageFile, _accept)
Image.register_save(WmfStubImageFile.format, _save)

Image.register_extension(WmfStubImageFile.format, ".wmf")
Image.register_extension(WmfStubImageFile.format, ".emf")
Exemplo n.º 47
0
        elif layout == (1, 3, 4):
            self.mode = "RGBA"
        else:
            raise SyntaxError("unsupported SGI image mode")

        # size
        self.size = i16(s[6:]), i16(s[8:])


        # decoder info
        if compression == 0:
            offset = 512
            pagesize = self.size[0]*self.size[1]*layout[0]
            self.tile = []
            for layer in self.mode:
                self.tile.append(("raw", (0,0)+self.size, offset, (layer,0,-1)))
                offset = offset + pagesize
        elif compression == 1:
            self.tile = [("sgi_rle", (0,0)+self.size, 512, (self.mode, 0, -1))]

#
# registry

Image.register_open("SGI", SgiImageFile, _accept)

Image.register_extension("SGI", ".bw")
Image.register_extension("SGI", ".rgb")
Image.register_extension("SGI", ".rgba")

Image.register_extension("SGI", ".sgi") # really?
Exemplo n.º 48
0
        self.mode = 'RGBA'
        self.size = self.icns.bestsize()
        self.info['sizes'] = self.icns.itersizes()
        # Just use this to see if it's loaded or not yet.
        self.tile = ('',)

    def load(self):
        Image.Image.load(self)
        if not self.tile:
            return
        self.load_prepare()
        # This is likely NOT the best way to do it, but whatever.
        im = self.icns.getimage(self.size)
        self.im = im.im
        self.mode = im.mode
        self.size = im.size
        self.fp = None
        self.icns = None
        self.tile = ()
        self.load_end()


Image.register_open("ICNS", IcnsImageFile, lambda x: x[:4] == 'icns')
Image.register_extension("ICNS", '.icns')

if __name__ == '__main__':
    import os, sys
    im = Image.open(open(sys.argv[1], "rb"))
    im.save("out.png")
    os.startfile("out.png")
Exemplo n.º 49
0
    elif compression == 1:
        #
        # packbits compression
        i = 0
        tile = []
        bytecount = read(channels * ysize * 2)
        offset = file.tell()
        for channel in range(channels):
            layer = mode[channel]
            if mode == "CMYK":
                layer = layer + ";I"
            tile.append(("packbits", bbox, offset, layer))
            for y in range(ysize):
                offset = offset + i16(bytecount[i : i + 2])
                i = i + 2

    file.seek(offset)

    if offset & 1:
        read(1)  # padding

    return tile


# --------------------------------------------------------------------
# registry

Image.register_open("PSD", PsdImageFile, _accept)

Image.register_extension("PSD", ".psd")
Exemplo n.º 50
0
        # include SIMPLE, BITPIX, NAXIS, etc.

        self.fp.seek(offset)

        # make something up
        self.mode = "F"
        self.size = 1, 1

        loader = self._load()
        if loader:
            loader.open(self)

    def _load(self):
        return _handler


def _save(im, fp, filename):
    if _handler is None or not hasattr("_handler", "save"):
        raise IOError("FITS save handler not installed")
    _handler.save(im, fp, filename)


# --------------------------------------------------------------------
# Registry

Image.register_open(FITSStubImageFile.format, FITSStubImageFile, _accept)
Image.register_save(FITSStubImageFile.format, _save)

Image.register_extension(FITSStubImageFile.format, ".fit")
Image.register_extension(FITSStubImageFile.format, ".fits")
Exemplo n.º 51
0
            self.tile = [("xbm", (0, 0)+self.size, m.end(), None)]


def _save(im, fp, filename):

    if im.mode != "1":
        raise IOError, "cannot write mode %s as XBM" % im.mode

    fp.write("#define im_width %d\n" % im.size[0])
    fp.write("#define im_height %d\n" % im.size[1])

    hotspot = im.encoderinfo.get("hotspot")
    if hotspot:
        fp.write("#define im_x_hot %d\n" % hotspot[0])
        fp.write("#define im_y_hot %d\n" % hotspot[1])

    fp.write("static char im_bits[] = {\n")

    ImageFile._save(im, fp, [("xbm", (0,0)+im.size, 0, None)])

    fp.write("};\n")


Image.register_open("XBM", XbmImageFile, _accept)
Image.register_save("XBM", _save)

Image.register_extension("XBM", ".xbm")

Image.register_mime("XBM", "image/xbm")