ó î Xc@s!ddlmZddlmZddlZddlmZd„Zd„Zd„Z ddd „Z d „Z dd „Z ejd „Zdd „Zddd„Zejddd„Zd„Zd„Zd„Zd„Zd„Zdd„Zdd„ZeZdddd„ZeZdS(i˙˙˙˙(tImage(t isStringTypeN(treducecCs†t|tƒrdt|ƒdkr:|\}}\}}qvt|ƒdkrv|\}}}}qvn|}}}}||||fS(Nii(t isinstancettupletlen(tbordertleftttoptrighttbottom((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyt_borderscCs5t|ƒr1ddlm}|j||ƒ}n|S(Ni˙˙˙˙(t ImageColor(RtPILR tgetcolor(tcolortmodeR ((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyt_color(s cCs||jdkrtdƒ‚nZ|jdkrl|jdkr_t|ƒdkr_|||}n|j|ƒStdƒ‚dS(NtPsmode P support coming soontLtRGBis!not supported for this image mode(RR(RtNotImplementedErrorRtpointtIOError(timagetlut((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyt_lut/s! icCs¸|jƒ}g}x–tdt|ƒdƒD]|}|||d!}|dk rŽyd||sd                 cCsű|jdkst‚t|dƒ}t|dƒ}g}g}g}xtdƒD]}|j|d||d|ddƒ|j|d||d|ddƒ|j|d||d|ddƒqRW|jdƒ}t||||ƒS(sľ Colorize grayscale image. The **black** and **white** arguments should be RGB tuples; this function calculates a color wedge mapping all black pixels in the source image to the first color, and all white pixels to the second color. :param image: The image to colorize. :param black: The color to use for black input pixels. :param white: The color to use for white input pixels. :return: An image. RRiii˙ii(RtAssertionErrorRRR"tconvertR(Rtblacktwhitetredtgreentblueti((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytcolorizeŠs ))-cCsGt|ƒ\}}}}|j|||jd||jd|fƒS(s/ Remove border from image. The same amount of pixels are removed from all four sides. This function works on all image modes. .. seealso:: :py:meth:`~PIL.Image.Image.crop` :param image: The image to crop. :param border: The number of pixels to remove. :return: An image. ii(R tcroptsize(RRRRR R ((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyR8¤s cCs%|j|jtj|j|ƒ|ƒS(s Deform the image. :param image: The image to deform. :param deformer: A deformer object. Any object that implements a **getmesh** method can be used. :param resample: What resampling filter to use. :return: An image. (t transformR9RtMESHtgetmesh(Rtdeformertresample((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytdeformľs c CsB|jdkr!|jdƒ}n|j|ƒ}g}xütdt|ƒdƒD]â}g|||d!D]}|rg|^qg}t|ƒdkr­|jttdƒƒƒqOttj |ƒ|dd}|sí|jttdƒƒƒqO|d}x7tdƒD])} |j ||ƒ||| |}qWqOWt ||ƒS( s„ Equalize the image histogram. This function applies a non-linear mapping to the input image, in order to create a uniform distribution of grayscale values in the output image. :param image: The image to equalize. :param mask: An optional mask. If given, only the pixels selected by the mask are included in the analysis. :return: An image. RRiiii˙˙˙˙i˙i( RR0RRRRR RtoperatortaddR"R( RtmaskR&Rtbt_fthistotstepR(R6((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytequalizeÄs * c Cs†t|ƒ\}}}}||jd|}||jd|}tj|j||ft||jƒƒ} | j|||fƒ| S(sÖ Add border to the image :param image: The image to expand. :param border: Border width, in pixels. :param fill: Pixel fill value (a color value). Default is 0 (black). :return: An image. ii(R R9RtnewRRtpaste( RRtfillRRR R twidththeighttout((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytexpandăs *ggŕ?cCsÎt|tƒs&|d|dg}n|ddksF|ddkrSd|d      $*  $$   *  *  cCs|jtjƒS(sq Flip the image vertically (top to bottom). :param image: The image to flip. :return: An image. (t transposeRtFLIP_TOP_BOTTOM(R((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytflipRscCs |jdƒS(si Convert the image to grayscale. :param image: The image to convert. :return: An image. R(R0(R((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyt grayscale\scCs;g}x%tdƒD]}|jd|ƒqWt||ƒS(sc Invert (negate) the image. :param image: The image to invert. :return: An image. ii˙(RR"R(RRR6((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytinvertfscCs|jtjƒS(sq Flip image horizontally (left to right). :param image: The image to mirror. :return: An image. (R^RtFLIP_LEFT_RIGHT(R((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytmirrorsscCsNg}dd|d}x%tdƒD]}|j||@ƒq&Wt||ƒS(sÁ Reduce the number of bits for each color channel. :param image: The image to posterize. :param bits: The number of bits to keep for each channel (1-8). :return: An image. iiii(RR"R(RtbitsRRBR6((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyt posterize}s i€cCsWg}xAtdƒD]3}||kr5|j|ƒq|jd|ƒqWt||ƒS(sż Invert all pixel values above a threshold. :param image: The image to solarize. :param threshold: All pixels above this greyscale level are inverted. :return: An image. ii˙(RR"R(Rt thresholdRR6((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pytsolarizeŒs  cCs/|dkrd}n|jƒ|jj|ƒS(s PIL_usm.gblur(im, [radius])g@N(Rtloadtimt gaussian_blur(Rjtradius((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyRk s   cCs_|dkrd}n|dkr*d}n|dkr?d}n|jƒ|jj|||ƒS(s. PIL_usm.usm(im, [radius, percent, threshold])g@i–iN(RRiRjt unsharp_mask(RjRltpercentRg((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyRm­s       (gŕ?gŕ?(R Rt PIL._utilRR@t functoolsRR RRRR.R7R8tBILINEARR?RGRNtNEARESTR]R`RaRbRdRfRhRktgblurRmtusm(((s0/usr/lib/python2.7/dist-packages/PIL/ImageOps.pyts.   L   ]