python类_save()的实例源码

PngImagePlugin.py 文件源码 项目：ascii-art-py 作者: blinglnav 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0 
def getchunks(im, **params):
    """Return a list of PNG chunks representing this image."""

    class collector(object):
        data = []

        def write(self, data):
            pass

        def append(self, chunk):
            self.data.append(chunk)

    def append(fp, cid, *data):
        data = b"".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
PpmImagePlugin.py 文件源码 项目：ascii-art-py 作者: blinglnav 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename):
    if im.mode == "1":
        rawmode, head = "1;I", b"P4"
    elif im.mode == "L":
        rawmode, head = "L", b"P5"
    elif im.mode == "I":
        if im.getextrema()[1] < 2**16:
            rawmode, head = "I;16B", b"P5"
        else:
            rawmode, head = "I;32B", b"P5"
    elif im.mode == "RGB":
        rawmode, head = "RGB", b"P6"
    elif im.mode == "RGBA":
        rawmode, head = "RGB", b"P6"
    else:
        raise IOError("cannot write mode %s as PPM" % im.mode)
    fp.write(head + ("\n%d %d\n" % im.size).encode('ascii'))
    if head == b"P6":
        fp.write(b"255\n")
    if head == b"P5":
        if rawmode == "L":
            fp.write(b"255\n")
        elif rawmode == "I;16B":
            fp.write(b"65535\n")
        elif rawmode == "I;32B":
            fp.write(b"2147483648\n")
    ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, 1))])

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

#
# --------------------------------------------------------------------
MspImagePlugin.py 文件源码 项目：ascii-art-py 作者: blinglnav 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename):

    if im.mode != "1":
        raise IOError("cannot write mode %s as MSP" % im.mode)

    # create MSP header
    header = [0] * 16

    header[0], header[1] = i16(b"Da"), i16(b"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

    checksum = 0
    for h in header:
        checksum = checksum ^ h
    header[12] = checksum  # 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
SpiderImagePlugin.py 文件源码 项目：radar 作者: amoose136 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0 
def _save_spider(im, fp, filename):
    # get the filename extension and register it with Image
    ext = os.path.splitext(filename)[1]
    Image.register_extension("SPIDER", ext)
    _save(im, fp, filename)

# --------------------------------------------------------------------
PdfImagePlugin.py 文件源码 项目：radar 作者: amoose136 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0 
def _save_all(im, fp, filename):
    _save(im, fp, filename, save_all=True)


##
# (Internal) Image save plugin for the PDF format.
ImImagePlugin.py 文件源码 项目：radar 作者: amoose136 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename, check=0):

    try:
        image_type, rawmode = SAVE[im.mode]
    except KeyError:
        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" % image_type).encode('ascii'))
    if filename:
        fp.write(("Name: %s\r\n" % filename).encode('ascii'))
    fp.write(("Image size (x*y): %d*%d\r\n" % im.size).encode('ascii'))
    fp.write(("File size (no of images): %d\r\n" % frames).encode('ascii'))
    if im.mode == "P":
        fp.write(b"Lut: 1\r\n")
    fp.write(b"\000" * (511-fp.tell()) + b"\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
PngImagePlugin.py 文件源码 项目：radar 作者: amoose136 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0 
def getchunks(im, **params):
    """Return a list of PNG chunks representing this image."""

    class collector(object):
        data = []

        def write(self, data):
            pass

        def append(self, chunk):
            self.data.append(chunk)

    def append(fp, cid, *data):
        data = b"".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
PpmImagePlugin.py 文件源码 项目：radar 作者: amoose136 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename):
    if im.mode == "1":
        rawmode, head = "1;I", b"P4"
    elif im.mode == "L":
        rawmode, head = "L", b"P5"
    elif im.mode == "I":
        if im.getextrema()[1] < 2**16:
            rawmode, head = "I;16B", b"P5"
        else:
            rawmode, head = "I;32B", b"P5"
    elif im.mode == "RGB":
        rawmode, head = "RGB", b"P6"
    elif im.mode == "RGBA":
        rawmode, head = "RGB", b"P6"
    else:
        raise IOError("cannot write mode %s as PPM" % im.mode)
    fp.write(head + ("\n%d %d\n" % im.size).encode('ascii'))
    if head == b"P6":
        fp.write(b"255\n")
    if head == b"P5":
        if rawmode == "L":
            fp.write(b"255\n")
        elif rawmode == "I;16B":
            fp.write(b"65535\n")
        elif rawmode == "I;32B":
            fp.write(b"2147483648\n")
    ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, 1))])

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

#
# --------------------------------------------------------------------
MspImagePlugin.py 文件源码 项目：radar 作者: amoose136 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename):

    if im.mode != "1":
        raise IOError("cannot write mode %s as MSP" % im.mode)

    # create MSP header
    header = [0] * 16

    header[0], header[1] = i16(b"Da"), i16(b"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

    checksum = 0
    for h in header:
        checksum = checksum ^ h
    header[12] = checksum  # 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
SpiderImagePlugin.py 文件源码 项目：WXBotForPi 作者: nemoTyrant 项目源码 文件源码 阅读 31 收藏 0 点赞 0 评论 0 
def _save_spider(im, fp, filename):
    # get the filename extension and register it with Image
    ext = os.path.splitext(filename)[1]
    Image.register_extension(SpiderImageFile.format, ext)
    _save(im, fp, filename)

# --------------------------------------------------------------------
PdfImagePlugin.py 文件源码 项目：WXBotForPi 作者: nemoTyrant 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0 
def _save_all(im, fp, filename):
    _save(im, fp, filename, save_all=True)


##
# (Internal) Image save plugin for the PDF format.
ImImagePlugin.py 文件源码 项目：WXBotForPi 作者: nemoTyrant 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename, check=0):

    try:
        image_type, rawmode = SAVE[im.mode]
    except KeyError:
        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" % image_type).encode('ascii'))
    if filename:
        fp.write(("Name: %s\r\n" % filename).encode('ascii'))
    fp.write(("Image size (x*y): %d*%d\r\n" % im.size).encode('ascii'))
    fp.write(("File size (no of images): %d\r\n" % frames).encode('ascii'))
    if im.mode == "P":
        fp.write(b"Lut: 1\r\n")
    fp.write(b"\000" * (511-fp.tell()) + b"\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
PngImagePlugin.py 文件源码 项目：WXBotForPi 作者: nemoTyrant 项目源码 文件源码 阅读 30 收藏 0 点赞 0 评论 0 
def getchunks(im, **params):
    """Return a list of PNG chunks representing this image."""

    class collector(object):
        data = []

        def write(self, data):
            pass

        def append(self, chunk):
            self.data.append(chunk)

    def append(fp, cid, *data):
        data = b"".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
PpmImagePlugin.py 文件源码 项目：WXBotForPi 作者: nemoTyrant 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename):
    if im.mode == "1":
        rawmode, head = "1;I", b"P4"
    elif im.mode == "L":
        rawmode, head = "L", b"P5"
    elif im.mode == "I":
        if im.getextrema()[1] < 2**16:
            rawmode, head = "I;16B", b"P5"
        else:
            rawmode, head = "I;32B", b"P5"
    elif im.mode == "RGB":
        rawmode, head = "RGB", b"P6"
    elif im.mode == "RGBA":
        rawmode, head = "RGB", b"P6"
    else:
        raise IOError("cannot write mode %s as PPM" % im.mode)
    fp.write(head + ("\n%d %d\n" % im.size).encode('ascii'))
    if head == b"P6":
        fp.write(b"255\n")
    if head == b"P5":
        if rawmode == "L":
            fp.write(b"255\n")
        elif rawmode == "I;16B":
            fp.write(b"65535\n")
        elif rawmode == "I;32B":
            fp.write(b"2147483648\n")
    ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, 1))])

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

#
# --------------------------------------------------------------------
MspImagePlugin.py 文件源码 项目：WXBotForPi 作者: nemoTyrant 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename):

    if im.mode != "1":
        raise IOError("cannot write mode %s as MSP" % im.mode)

    # create MSP header
    header = [0] * 16

    header[0], header[1] = i16(b"Da"), i16(b"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

    checksum = 0
    for h in header:
        checksum = checksum ^ h
    header[12] = checksum  # 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
SpiderImagePlugin.py 文件源码 项目：aws_lambda_backup_s3 作者: ogckw 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename):
    if im.mode[0] != "F":
        im = im.convert('F')

    hdr = makeSpiderHeader(im)
    if len(hdr) < 256:
        raise IOError("Error creating Spider header")

    # write the SPIDER header
    fp.writelines(hdr)

    rawmode = "F;32NF"  # 32-bit native floating point
    ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, 1))])
SpiderImagePlugin.py 文件源码 项目：aws_lambda_backup_s3 作者: ogckw 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0 
def _save_spider(im, fp, filename):
    # get the filename extension and register it with Image
    ext = os.path.splitext(filename)[1]
    Image.register_extension(SpiderImageFile.format, ext)
    _save(im, fp, filename)

# --------------------------------------------------------------------
SpiderImagePlugin.py 文件源码 项目：teleport 作者: eomsoft 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0 
def _save_spider(im, fp, filename):
    # get the filename extension and register it with Image
    ext = os.path.splitext(filename)[1]
    Image.register_extension(SpiderImageFile.format, ext)
    _save(im, fp, filename)

# --------------------------------------------------------------------
PdfImagePlugin.py 文件源码 项目：teleport 作者: eomsoft 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0 
def _save_all(im, fp, filename):
    _save(im, fp, filename, save_all=True)


##
# (Internal) Image save plugin for the PDF format.
ImImagePlugin.py 文件源码 项目：teleport 作者: eomsoft 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0 
def _save(im, fp, filename, check=0):

    try:
        image_type, rawmode = SAVE[im.mode]
    except KeyError:
        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" % image_type).encode('ascii'))
    if filename:
        fp.write(("Name: %s\r\n" % filename).encode('ascii'))
    fp.write(("Image size (x*y): %d*%d\r\n" % im.size).encode('ascii'))
    fp.write(("File size (no of images): %d\r\n" % frames).encode('ascii'))
    if im.mode == "P":
        fp.write(b"Lut: 1\r\n")
    fp.write(b"\000" * (511-fp.tell()) + b"\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

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