# The Python Imaging Library.
# $Id: JpegImagePluginH.py,v 1.2 1998/05/28 20:14:52 friedric Exp $
#
# JPEG (JFIF) file handling
#
# See "Digital Compression and Coding of Continous-Tone Still Images,
# Part 1, Requirements and Guidelines" (CCITT T.81 / ISO 10918-1)
#
# History:
#       95-09-09 fl     Created
#       95-09-13 fl     Added full parser
#       96-03-25 fl     Added hack to use the IJG command line utilities
#       96-05-05 fl     Workaround Photoshop 2.5 CMYK polarity bug
# 0.1   96-05-28 fl     Added draft support, JFIF version
# 0.2   96-12-30 fl     Added encoder options, added progression property
# 0.3   97-08-27 fl     Save mode 1 images as BW
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1995-96.
#
# See the README file for information on usage and redistribution.
#

Modules
		ImageFileH ImageH array string

Classes
		ImageFileH.ImageFile(ImageH.Image) JpegImageFile   class JpegImageFile(ImageFileH.ImageFile)       Method resolution order: JpegImageFile ImageFileH.ImageFile ImageH.Image Methods defined here: draft(self, mode, size) load_hack(self) Data and other attributes defined here: format = 'JPEG' format_description = 'JPEG (ISO 10918)' Methods inherited from ImageFileH.ImageFile: __init__(self, fp=None, filename=None) load(self) Load image data based on tile list load_end(self) load_read(self, bytes) load_seek(self, pos) verify(self) Check file integrity Methods inherited from ImageH.Image: __setattr__(self, id, value) convert(self, mode=None, data=None) Convert to other pixel format copy(self) Copy raster data crop(self, box=None) Crop region from image filter(self, kernel) Apply environment filter to image fromstring(self, data, decoder='raw', *args) Load data to image from binary string getbbox(self) Get bounding box of actual data (non-zero pixels) in image getdata(self, band=None) Get image data as sequence object. getpixel(self, (x, y)) Get pixel value getprojection(self) Get projection to x and y axes histogram(self, mask=None) Take histogram of image offset(self, xoffset, yoffset=None) Offset image in horizontal and/or vertical direction paste(self, im, box=None, mask=None) Paste other image into region point(self, lut, mode=None) Map image through lookup table putalpha(self, im) Set alpha layer putdata(self, data, scale=1.0, offset=0.0) Put data from a sequence object into an image. putpalette(self, data, rawmode='RGB') Put palette data into an image. resize(self, size, resample=0) Resize image rotate(self, angle, resample=0) Rotate image.  Angle given as degrees counter-clockwise. save(self, fp, format=None, **params) Save image to file or stream seek(self, frame) Seek to given frame in sequence file show(self, title=None) Display image (for debug purposes only) split(self) Split image into bands tell(self) Return current frame number thumbnail(self, size) Create thumbnail representation (modifies image in place) tobitmap(self, name='image') Return image as an XBM bitmap tostring(self, encoder_name='raw', *args) Return image as a binary string transform(self, size, method, data, resample=0) Transform image transpose(self, method) Transpose image (flip or rotate in 90 degree steps)

Functions
		APP(self, marker) DQT(self, marker) SOF(self, marker) Skip(self, marker) i16(c) i32(c)

Data
		MARKER = {65472: ('SOF0', 'Baseline DCT', <function SOF>), 65473: ('SOF1', 'Extended Sequential DCT', <function SOF>), 65474: ('SOF2', 'Progressive DCT', <function SOF>), 65475: ('SOF3', 'Spatial lossless', <function SOF>), 65476: ('DHT', 'Define Huffman table', <function Skip>), 65477: ('SOF5', 'Differential sequential DCT', <function SOF>), 65478: ('SOF6', 'Differential progressive DCT', <function SOF>), 65479: ('SOF7', 'Differential spatial', <function SOF>), 65480: ('JPG', 'Extension', None), 65481: ('SOF9', 'Extended sequential DCT (AC)', <function SOF>), ...} RAWMODE = {'1': 'L', 'CMYK': 'CMYK', 'L': 'L', 'RGB': 'RGB', 'RGBA': 'RGB'} __version__ = '0.3'