e,dZddlZddlZddlmZmZmZeje Z dZ GddeZ GddeZ d ZGd d ZdS) z" PIL formats for multiple images. N) PillowFormatndarray_to_pil image_as_uintceZdZdZdZdS) TIFFFormatizTIFF format (Pillow)N)__name__ __module__ __qualname___modes _description;lib/python3.11/site-packages/imageio/plugins/pillowmulti.pyrrs F)LLLrrc@eZdZdZdZdZGddejZdS) GIFFormatz(See :mod:`imageio.plugins.pillow_legacy`iIz Static and animated gif (Pillow)c.eZdZ d dZdZdZdS) GIFFormat.WriterrN Fc t|}|dks|dkrtd|dvrDdttjddzz}td|z|dt |z |_nBt|ttfrd |D|_nt ||_t |}|d ks|t d krd }t|}t|}|rd nd|_ |j }t||||t||_dS) Nrz!GIF quantize param must be 2..256)r @rr g+?zDWarning: palettesize (%r) modified to a factor of two between 2-256.g?c,g|]}t|Sr)float).0ds r z*GIFFormat.Writer._open..6s!=!=!=q%((!=!=!=rrinfr)int ValueErrornplog2loggerwarningr" _duration isinstancelisttuplebool_disposerequestget_file GifWriter_writer)selfloopdurationfps palettesize quantizer subrectanglesfps r_openzGIFFormat.Writer._opensek**KQ+"3"3 !DEEE"AAA3rws||e';#<#<< )+67 !$uSzz!1HtUm44 1!=!=H!=!=!=!&x;;DqyyDE%LL00t99D //M!.5AAADM&&((B$M4C 4D4DDLLLrc8|jdSN)r6closer7s r_closezGIFFormat.Writer._closeHs L   rc\t|d}|jdkr |jddkr|dddddf}|j}t |t r0|t t|dz |jj }|j }|j |||dS)Nr)bitdepthrr) rndimshaper-r.r/minlenr6_countr2 add_image)r7immetar9disposes r _append_datazGIFFormat.Writer._append_dataKsrA...Bw!||  1 1111a[~H(D)) Q#CH (94<;N$O$OPmG L " "2x 9 9 9 Fr)rNrrrF)r r r r?rDrRrrrWriterrs[' ' ' ' R ! ! !     rrSN)r r r __doc__r rrrSrrrrrsQ22 F5L77777$77777rrc0|ddS)Nrlittle) byteorder)to_bytes)r s rintToBinrYXs ::a8: , ,,rcdeZdZdZ ddZdZdZdZd Zd Z dd Z d Z ddZ dZ ddZd S)r5zClass that for helping write the animated GIF file. This is based on code from images2gif.py (part of visvis). The version here is modified to allow streamed writing. Trrc||_||_||_||_||_d|_d|_d|_ddlm }||_ dS)Nr)getdata) r>opt_subrectangleopt_loop opt_quantizeropt_palette_size_previous_image_global_paletterMPIL.GifImagePluginr\)r7filer]r^r_r`r\s r__init__zGifWriter.__init__bs^ 0  * 0## ...... rc|d}}|jr||\}}|||j|j}ddlm}||dd}|jdkr#||||j ||_ | |||||||_ |xjdz c_dS)Nrrr) getheaderrGr) r]getSubRectangle converToPILr_r`rcrhrM write_headerr^rb write_imagera) r7rOr9rQim_rectrectim_pilrhpalettes rrNzGifWriter.add_imageysF   5 0044MGT!!'4+=t?TUU 100000)F##A&q) ;!     fgt} = = =#*D  $'BBB " q rc||}||}|j||j||j|dSrA) getheaderAnim getAppExtr>write)r7rO globalPaletter8headerappexts rrkzGifWriter.write_headersh##B''%%  f  m$$$  frc`|jdddS)N;utf-8)r>rtencoderCs rrBzGifWriter.closes(  cjj))*****rc|j}||}d}|r@t|dkr-||dz }|rt|dk-t|dksJ|||} |||} ||jks|dkrU|| || |||dn*|| |||D]} || dS)Nr rr)r>r\rLpopgetImageDescriptorgetGraphicsControlExtrbrt) r7rOrprnr9rQr>dataimdeslidgraphextr$s rrlzGifWriter.write_imagesU W ||B !s5zzB TXXa[[ E !s5zzB5zzR%%b$//--h@@ t+ + +A HHX    HHSMMM HHW    HHW     HHX    HHUOOO  A HHQKKKK  rcd}|t|jdz }|t|jdz }|dz }|S)z4Get animation header. To replace PILs getheader()[0]sGIF89arrsrYsize)r7rObbs rrrzGifWriter.getheaderAnimsF  hrwqz""" hrwqz""" o rNc|d}d}|t|dz }|t|dz }|t|jdz }|t|jdz }|dz }|S)aUsed for the local color table properties per image. Otherwise global color table applies to all frames irrespective of whether additional colors comes in play that require a redefined palette. Still a maximum of 256 color per frame, obviously. Written by Ant1 on 2010-08-22 Modified by Alex Robinson in Janurari 2011 to implement subrectangles. Nrg,rrr)r7rOxyrs rrzGifWriter.getImageDescriptors :B hr!uoo hr!uoo hrwqz""" hrwqz""" g  rc||dkrdS|dkrd}d}|dkr#d}|dz }|dz }|t|z }|dz }|S) z|Application extension. This part specifies the amount of loops. If loop is 0 or inf, it goes on infinitely. rrris! s NETSCAPE2.0s)rY)r7r8rs rrszGifWriter.getAppExtse 1993 199D  199 B . B + B (4.. B 'MB r皙?rcd}|t|dzdzdz }|tt|dzdzz }|dz }|dz }|S)abGraphics Control Extension. A sort of header at the start of each image. Specifies duration and transparancy. Dispose ------- * 0 - No disposal specified. * 1 - Do not dispose. The graphic is to be left in place. * 2 - Restore to background color. The area used by the graphic must be restored to the background color. * 3 - Restore to previous. The decoder is required to restore the area overwritten by the graphic with what was there prior to rendering the graphic. * 4-7 -To be defined. s!rGrrzdg?r)chrr{rYr')r7r9rQrs rrzGifWriter.getGraphicsControlExtsn  c7Q;1$%%,,W555 hs8c>C/00111 g  g  rcB|jdkr|dfS|j}tj||z }|jdkr|d}tj|d}tj|d}|jrb|jr[t|dt|ddz}}t|dt|ddz} }n d\}}d\}} ||| ||f||ffS)arCalculate the minimal rectangle that need updating. Returns a two-element tuple containing the cropped image and an x-y tuple. Calculating the subrectangles takes extra time, obviously. However, if the image sizes were reduced, the actual writing of the GIF goes faster. In some cases applying this method produces a GIF faster. rrgrGrrrH)rr) rMrar)absrIsumargwhererr') r7rOprevdiffXYx0x1y0y1s rrizGifWriter.getSubRectangles  ;!  v: #vb4i   9>>88A;;D K $ $ K $ $ 6 af 1YYAbEAIB1YYAbEAIBBFBFB"R%B,"b))rcjt|d}|dvr?d}|d}t||}|||}n_|dvrI|dkr|d}n|d}||| }nt d |z|S) zConvert image to Paletted PIL image. PIL used to not do a very good job at quantization, but I guess this has improved a lot (at least in Pillow). I don't think we need neuqant (and we can add it later if we really want). gif)nqneuquantrRGBA)colors)rrrrRGB)rmethodzInvalid value for quantizer: %r)rconvertNeuQuantquantizer()r7rOr< palette_sizero nq_samplefac nqInstances rrjzGifWriter.converToPIL0s E** * * *L^^F++F!&,77J(( (EEFF ) # #A~~//..__L_KKFF>JKK K r)TrrrrA)rr)r)r r r rTrerNrkrBrlrrrrsrrirjrrrr5r5\s .2+++B<"4***@rr5)rTloggingnumpyr) pillow_legacyrrr getLoggerr r+rrrrYr5rrrrsFFFFFFFFFF  8 $ $ ******** ????? ???D---mmmmmmmmmmr