def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    try:
        rawmode = RAWMODE[im.mode]
        imOut = im
    except KeyError:
        # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
        # should automatically convert images on save...)
        if Image.getmodebase(im.mode) == "RGB":
            imOut = im.convert("P")
            rawmode = "P"
        else:
            imOut = im.convert("L")
            rawmode = "L"

    # header
    for s in getheader(imOut, im.encoderinfo):
        fp.write(s)

    flags = 0

    try:
        interlace = im.encoderinfo["interlace"]
    except:
        # default is on (since we're writing uncompressed images)
        interlace = 1
        flags = flags | 64

    # local image header
    fp.write(
        "," + o16(0) + o16(0) + o16(im.size[0]) + o16(im.size[1]) + chr(flags) + chr(8)  # bounding box  # size  # flags
    )  # bits

    imOut.encoderconfig = (8, interlace)

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

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

    fp.write(";")  # end of file

    try:
        fp.flush()
    except:
        pass
Exemple #2
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def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass # write uncompressed file

    # header
    for s in getheader(im):
	fp.write(s)

    # local image header
    fp.write("," +
	     o16(0) + o16(0) +		# bounding box
	     o16(im.size[0]) +		# size
	     o16(im.size[1]) +
	     chr(0) +			# flags
	     chr(8))			# bits

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

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

    fp.write(";") # end of file

    try:
        fp.flush()
    except: pass
Exemple #3
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def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    # header
    for s in getheader(im):
        fp.write(s)

    # local image header
    fp.write("," + o16(0) + o16(0) +  # bounding box
             o16(im.size[0]) +  # size
             o16(im.size[1]) + chr(0) +  # flags
             chr(8))  # bits

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

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

    fp.write(";")  # end of file

    try:
        fp.flush()
    except:
        pass
Exemple #4
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def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    if im.mode in RAWMODE:
        im_out = im
    else:
        # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
        # should automatically convert images on save...)
        if Image.getmodebase(im.mode) == "RGB":
            palette_size = 256
            if im.palette:
                palette_size = len(im.palette.getdata()[1]) // 3
            im_out = im.convert("P", palette=1, colors=palette_size)
        else:
            im_out = im.convert("L")

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None
        im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True)

    header, used_palette_colors = getheader(im_out, palette, im.encoderinfo)
    for s in header:
        fp.write(s)

    flags = 0

    if get_interlace(im):
        flags = flags | 64

    # local image header
    get_local_header(fp, im, (0, 0), flags)

    im_out.encoderconfig = (8, get_interlace(im))
    ImageFile._save(im_out, fp, [("gif", (0, 0)+im.size, 0,
                                  RAWMODE[im_out.mode])])

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

    fp.write(b";")  # end of file

    try:
        fp.flush()
    except:
        pass
Exemple #5
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def _save(im, fp, filename, save_all=False):

    im.encoderinfo.update(im.info)
    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    if im.mode in RAWMODE:
        im_out = im.copy()
    else:
        im_out = _convert_mode(im, True)

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None
        im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True)

    if save_all:
        previous = None

        first_frame = None
        append_images = im.encoderinfo.get("append_images", [])
        if "duration" in im.encoderinfo:
            duration = im.encoderinfo["duration"]
        else:
            duration = None
        frame_count = 0
        for imSequence in [im] + append_images:
            for im_frame in ImageSequence.Iterator(imSequence):
                encoderinfo = im.encoderinfo.copy()
                im_frame = _convert_mode(im_frame)
                if isinstance(duration, (list, tuple)):
                    encoderinfo["duration"] = duration[frame_count]
                frame_count += 1

                # To specify duration, add the time in milliseconds to getdata(),
                # e.g. getdata(im_frame, duration=1000)
                if not previous:
                    # global header
                    first_frame = getheader(im_frame, palette, encoderinfo)[0]
                    first_frame += getdata(im_frame, (0, 0), **encoderinfo)
                else:
                    if first_frame:
                        for s in first_frame:
                            fp.write(s)
                        first_frame = None

                    # delta frame
                    delta = ImageChops.subtract_modulo(im_frame,
                                                       previous.copy())
                    bbox = delta.getbbox()

                    if bbox:
                        # compress difference
                        encoderinfo['include_color_table'] = True
                        for s in getdata(im_frame.crop(bbox), bbox[:2],
                                         **encoderinfo):
                            fp.write(s)
                    else:
                        # FIXME: what should we do in this case?
                        pass
                previous = im_frame
        if first_frame:
            save_all = False
    if not save_all:
        header = getheader(im_out, palette, im.encoderinfo)[0]
        for s in header:
            fp.write(s)

        flags = 0

        if get_interlace(im):
            flags = flags | 64

        # local image header
        _get_local_header(fp, im, (0, 0), flags)

        im_out.encoderconfig = (8, get_interlace(im))
        ImageFile._save(im_out, fp,
                        [("gif", (0, 0) + im.size, 0, RAWMODE[im_out.mode])])

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

    fp.write(b";")  # end of file

    if hasattr(fp, "flush"):
        fp.flush()
def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass # write uncompressed file

    try:
        rawmode = RAWMODE[im.mode]
        imOut = im
    except KeyError:
        # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
        # should automatically convert images on save...)
        if Image.getmodebase(im.mode) == "RGB":
            imOut = im.convert("P")
            rawmode = "P"
        else:
            imOut = im.convert("L")
            rawmode = "L"

    # header
    for s in getheader(imOut, im.encoderinfo):
        fp.write(s)

    flags = 0

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

    # workaround for @PIL153
    if min(im.size) < 16:
        interlace = 0

    if interlace:
        flags = flags | 64

    try:
        transparency = im.encoderinfo["transparency"]
    except KeyError:
        pass
    else:
        # transparency extension block
        fp.write("!" +
                 chr(249) +             # extension intro
                 chr(4) +               # length
                 chr(1) +               # transparency info present
                 o16(0) +               # duration
                 chr(int(transparency)) # transparency index
                 + chr(0))

    # local image header
    fp.write("," +
             o16(0) + o16(0) +          # bounding box
             o16(im.size[0]) +          # size
             o16(im.size[1]) +
             chr(flags) +               # flags
             chr(8))                    # bits

    imOut.encoderconfig = (8, interlace)

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

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

    fp.write(";") # end of file

    try:
        fp.flush()
    except: pass
def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    try:
        rawmode = RAWMODE[im.mode]
        imOut = im
    except KeyError:
        # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
        # should automatically convert images on save...)
        if Image.getmodebase(im.mode) == "RGB":
            imOut = im.convert("P")
            rawmode = "P"
        else:
            imOut = im.convert("L")
            rawmode = "L"

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None
        if im.palette:
            # use existing if possible
            palette = im.palette.getdata()[1]

    header, usedPaletteColors = getheader(imOut, palette, im.encoderinfo)
    for s in header:
        fp.write(s)

    flags = 0

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

    # workaround for @PIL153
    if min(im.size) < 16:
        interlace = 0

    if interlace:
        flags = flags | 64

    try:
        transparency = im.encoderinfo["transparency"]
    except KeyError:
        pass
    else:
        transparency = int(transparency)
        # optimize the block away if transparent color is not used
        transparentColorExists = True
        # adjust the transparency index after optimize
        if usedPaletteColors is not None and len(usedPaletteColors) < 256:
            for i in range(len(usedPaletteColors)):
                if usedPaletteColors[i] == transparency:
                    transparency = i
                    transparentColorExists = True
                    break
                else:
                    transparentColorExists = False

        # transparency extension block
        if transparentColorExists:
            fp.write(
                b"!"
                + o8(249)
                + o8(4)  # extension intro
                + o8(1)  # length
                + o16(0)  # transparency info present
                + o8(transparency)  # duration  # transparency index
                + o8(0)
            )

    # local image header
    fp.write(
        b"," + o16(0) + o16(0) + o16(im.size[0]) + o16(im.size[1]) + o8(flags) + o8(8)  # bounding box  # size  # flags
    )  # bits

    imOut.encoderconfig = (8, interlace)
    ImageFile._save(imOut, fp, [("gif", (0, 0) + im.size, 0, rawmode)])

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

    fp.write(b";")  # end of file

    try:
        fp.flush()
    except:
        pass
Exemple #8
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def _save(im, fp, filename, save_all=False):

    im.encoderinfo.update(im.info)
    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    if im.mode in RAWMODE:
        im_out = im.copy()
    else:
        im_out = _convert_mode(im, True)

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None
        im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True)

    if save_all:
        previous = None

        first_frame = None
        append_images = im.encoderinfo.get("append_images", [])
        if "duration" in im.encoderinfo:
            duration = im.encoderinfo["duration"]
        else:
            duration = None
        frame_count = 0
        for imSequence in [im]+append_images:
            for im_frame in ImageSequence.Iterator(imSequence):
                encoderinfo = im.encoderinfo.copy()
                im_frame = _convert_mode(im_frame)
                if isinstance(duration, (list, tuple)):
                    encoderinfo["duration"] = duration[frame_count]
                frame_count += 1

                # To specify duration, add the time in milliseconds to getdata(),
                # e.g. getdata(im_frame, duration=1000)
                if not previous:
                    # global header
                    first_frame = getheader(im_frame, palette, encoderinfo)[0]
                    first_frame += getdata(im_frame, (0, 0), **encoderinfo)
                else:
                    if first_frame:
                        for s in first_frame:
                            fp.write(s)
                        first_frame = None

                    # delta frame
                    delta = ImageChops.subtract_modulo(im_frame, previous.copy())
                    bbox = delta.getbbox()

                    if bbox:
                        # compress difference
                        encoderinfo['include_color_table'] = True
                        for s in getdata(im_frame.crop(bbox),
                                         bbox[:2], **encoderinfo):
                            fp.write(s)
                    else:
                        # FIXME: what should we do in this case?
                        pass
                previous = im_frame
        if first_frame:
            save_all = False
    if not save_all:
        header = getheader(im_out, palette, im.encoderinfo)[0]
        for s in header:
            fp.write(s)

        flags = 0

        if get_interlace(im):
            flags = flags | 64

        # local image header
        _get_local_header(fp, im, (0, 0), flags)

        im_out.encoderconfig = (8, get_interlace(im))
        ImageFile._save(im_out, fp, [("gif", (0, 0)+im.size, 0,
                                      RAWMODE[im_out.mode])])

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

    fp.write(b";")  # end of file

    if hasattr(fp, "flush"):
        fp.flush()
Exemple #9
0
def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass # write uncompressed file

    try:
        rawmode = RAWMODE[im.mode]
        imOut = im
    except KeyError:
        # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
        # should automatically convert images on save...)
        if Image.getmodebase(im.mode) == "RGB":
            palette_size = 256
            if im.palette:
                palette_size = len(im.palette.getdata()[1]) // 3
            imOut = im.convert("P", palette=1, colors=palette_size)
            rawmode = "P"
        else:
            imOut = im.convert("L")
            rawmode = "L"

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None
        im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True)
        if im.encoderinfo["optimize"]:
            # When the mode is L, and we optimize, we end up with
            # im.mode == P and rawmode = L, which fails.
            # If we're optimizing the palette, we're going to be
            # in a rawmode of P anyway. 
            rawmode = 'P'

    header, usedPaletteColors = getheader(imOut, palette, im.encoderinfo)
    for s in header:
        fp.write(s)

    flags = 0

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

    # workaround for @PIL153
    if min(im.size) < 16:
        interlace = 0

    if interlace:
        flags = flags | 64

    try:
        transparency = im.encoderinfo["transparency"]
    except KeyError:
        pass
    else:
        transparency = int(transparency)
        # optimize the block away if transparent color is not used
        transparentColorExists = True
        # adjust the transparency index after optimize
        if usedPaletteColors is not None and len(usedPaletteColors) < 256:
            for i in range(len(usedPaletteColors)):
                if usedPaletteColors[i] == transparency:
                    transparency = i
                    transparentColorExists = True
                    break
                else:
                    transparentColorExists = False

        # transparency extension block
        if transparentColorExists:
            fp.write(b"!" +
                     o8(249) +              # extension intro
                     o8(4) +                # length
                     o8(1) +                # transparency info present
                     o16(0) +               # duration
                     o8(transparency)       # transparency index
                     + o8(0))

    # local image header
    fp.write(b"," +
             o16(0) + o16(0) +          # bounding box
             o16(im.size[0]) +          # size
             o16(im.size[1]) +
             o8(flags) +                # flags
             o8(8))                     # bits

    imOut.encoderconfig = (8, interlace)
    ImageFile._save(imOut, fp, [("gif", (0,0)+im.size, 0, rawmode)])

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

    fp.write(b";") # end of file

    try:
        fp.flush()
    except: pass
def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    try:
        rawmode = RAWMODE[im.mode]
        imOut = im
    except KeyError:
        # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
        # should automatically convert images on save...)
        if Image.getmodebase(im.mode) == "RGB":
            imOut = im.convert("P")
            rawmode = "P"
        else:
            imOut = im.convert("L")
            rawmode = "L"

    # header
    for s in getheader(imOut, im.encoderinfo):
        fp.write(s)

    flags = 0

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

    # workaround for @PIL153
    if min(im.size) < 16:
        interlace = 0

    if interlace:
        flags = flags | 64

    try:
        transparency = im.encoderinfo["transparency"]
    except KeyError:
        pass
    else:
        # transparency extension block
        fp.write("!" + chr(249) +  # extension intro
                 chr(4) +  # length
                 chr(1) +  # transparency info present
                 o16(0) +  # duration
                 chr(int(transparency))  # transparency index
                 + chr(0))

    # local image header
    fp.write("," + o16(0) + o16(0) +  # bounding box
             o16(im.size[0]) +  # size
             o16(im.size[1]) + chr(flags) +  # flags
             chr(8))  # bits

    imOut.encoderconfig = (8, interlace)

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

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

    fp.write(";")  # end of file

    try:
        fp.flush()
    except:
        pass
Exemple #11
0
def _save(im, fp, filename):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    try:
        rawmode = RAWMODE[im.mode]
        imOut = im
    except KeyError:
        # convert on the fly (EXPERIMENTAL -- I'm not sure PIL
        # should automatically convert images on save...)
        if Image.getmodebase(im.mode) == "RGB":
            imOut = im.convert("P")
            rawmode = "P"
        else:
            imOut = im.convert("L")
            rawmode = "L"

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None

    header, usedPaletteColors = getheader(imOut, palette, im.encoderinfo)
    for s in header:
        fp.write(s)

    flags = 0

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

    # workaround for @PIL153
    if min(im.size) < 16:
        interlace = 0

    if interlace:
        flags = flags | 64

    try:
        transparency = im.encoderinfo["transparency"]
    except KeyError:
        pass
    else:
        transparency = int(transparency)
        # optimize the block away if transparent color is not used
        transparentColorExists = True
        # adjust the transparency index after optimize
        if usedPaletteColors is not None and len(usedPaletteColors) < 256:
            for i in range(len(usedPaletteColors)):
                if usedPaletteColors[i] == transparency:
                    transparency = i
                    transparentColorExists = True
                    break
                else:
                    transparentColorExists = False

        # transparency extension block
        if transparentColorExists:
            fp.write(b"!" + o8(249) +  # extension intro
                     o8(4) +  # length
                     o8(1) +  # transparency info present
                     o16(0) +  # duration
                     o8(transparency)  # transparency index
                     + o8(0))

    # local image header
    fp.write(b"," + o16(0) + o16(0) +  # bounding box
             o16(im.size[0]) +  # size
             o16(im.size[1]) + o8(flags) +  # flags
             o8(8))  # bits

    imOut.encoderconfig = (8, interlace)
    ImageFile._save(imOut, fp, [("gif", (0, 0) + im.size, 0, rawmode)])

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

    fp.write(b";")  # end of file

    try:
        fp.flush()
    except:
        pass
def _save(im, fp, filename, save_all=False):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    if im.mode in RAWMODE:
        im_out = im.copy()
    else:
        im_out = _convert_mode(im)

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None
        im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True)

    if save_all:
        previous = None

        for im_frame in ImageSequence.Iterator(im):
            im_frame = _convert_mode(im_frame)

            # To specify duration, add the time in milliseconds to getdata(),
            # e.g. getdata(im_frame, duration=1000)
            if not previous:
                # global header
                for s in getheader(im_frame, palette, im.encoderinfo)[0] + getdata(im_frame):
                    fp.write(s)
            else:
                # delta frame
                delta = ImageChops.subtract_modulo(im_frame, previous)
                bbox = delta.getbbox()

                if bbox:
                    # compress difference
                    for s in getdata(im_frame.crop(bbox), offset=bbox[:2]):
                        fp.write(s)
                else:
                    # FIXME: what should we do in this case?
                    pass
            previous = im_frame.copy()
    else:
        header = getheader(im_out, palette, im.encoderinfo)[0]
        for s in header:
            fp.write(s)

        flags = 0

        if get_interlace(im):
            flags = flags | 64

        # local image header
        _get_local_header(fp, im, (0, 0), flags)

        im_out.encoderconfig = (8, get_interlace(im))
        ImageFile._save(im_out, fp, [("gif", (0, 0)+im.size, 0,
                                      RAWMODE[im_out.mode])])

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

    fp.write(b";")  # end of file

    try:
        fp.flush()
    except:
        pass
def _save(im, fp, filename, save_all=False):

    if _imaging_gif:
        # call external driver
        try:
            _imaging_gif.save(im, fp, filename)
            return
        except IOError:
            pass  # write uncompressed file

    if im.mode in RAWMODE:
        im_out = im.copy()
    else:
        im_out = _convert_mode(im)

    # header
    try:
        palette = im.encoderinfo["palette"]
    except KeyError:
        palette = None
        im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True)

    if save_all:
        previous = None

        for im_frame in ImageSequence.Iterator(im):
            im_frame = _convert_mode(im_frame)

            # To specify duration, add the time in milliseconds to getdata(),
            # e.g. getdata(im_frame, duration=1000)
            if not previous:
                # global header
                for s in getheader(im_frame, palette, im.encoderinfo)[0] + getdata(im_frame):
                    fp.write(s)
            else:
                # delta frame
                delta = ImageChops.subtract_modulo(im_frame, previous)
                bbox = delta.getbbox()

                if bbox:
                    # compress difference
                    for s in getdata(im_frame.crop(bbox), offset=bbox[:2]):
                        fp.write(s)
                else:
                    # FIXME: what should we do in this case?
                    pass
            previous = im_frame.copy()
    else:
        header = getheader(im_out, palette, im.encoderinfo)[0]
        for s in header:
            fp.write(s)

        flags = 0

        if get_interlace(im):
            flags = flags | 64

        # local image header
        _get_local_header(fp, im, (0, 0), flags)

        im_out.encoderconfig = (8, get_interlace(im))
        ImageFile._save(im_out, fp, [("gif", (0, 0)+im.size, 0,
                                      RAWMODE[im_out.mode])])

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

    fp.write(b";")  # end of file

    try:
        fp.flush()
    except:
        pass