o git@stdZddlZddlmZddlZddlmZddlmZddlm Z ddl m Z Gdd d ej Z Gd d d ZdS) z This file contains all the classes needed to perform layout. This includes an Alignment Enum type, and the base implementation of LayoutElement N)Decimal)Color)HexColor) Rectangle) BlobFactoryc@s,eZdZdZdZdZdZdZdZdZ dZ d S) Alignmenta In typesetting and page layout, alignment or range is the setting of text flow or image placement relative to a page, column (measure), table cell, or tab. The type alignment setting is sometimes referred to as text alignment, text justification, or type justification. The edge of a page or column is known as a margin, and a gap between columns is known as a gutter.  N) __name__ __module__ __qualname____doc__LEFTCENTEREDRIGHT JUSTIFIEDTOPMIDDLEBOTTOMrrY/home/ubuntu/.local/lib/python3.10/site-packages/borb/pdf/canvas/layout/layout_element.pyrsrc3@seZdZdZddeddededededddeddeddejededededededededdejfd e j e d e d e d e d edededede de dede j defde de j edede j ede j ede j ede j edededed ed!e j dd"ef2d#d$Zd%ed&e je j e jeeffd'd(Zd)ed&efd*d+Zd,d-d&e fd.d/Zd0d-d1efd2d3Zd0d-d%efd4d5Zd0d-d6ed&dfd7d8Zd&efd9d:Zd&e j efd;d<Zd&e j efd=d>Zd&e j efd?d@Zd)efdAdBZd&efdCdDZd&efdEdFZd&efdGdHZ d&efdIdJZ!d&e j efdKdLZ"d&e j efdMdNZ#d&e j efdOdPZ$d0d-d)ed&dfdQdRZ%dS)S LayoutElementz This class contains the common base methods for any object that can be laid out on a Page. e.g. the placement of borders, margins, padding, background color, etc NF000000r Helveticaz#000000background_color border_bottom border_color border_leftborder_radius_bottom_leftborder_radius_bottom_rightborder_radius_top_leftborder_radius_top_right border_right border_top border_widthfontFont font_color font_sizehorizontal_alignment margin_bottom margin_left margin_right margin_toppadding_bottom padding_left padding_right padding_topparentvertical_alignmentcCs||_| |_| |_||_||_|dksJd|dksJd|dks'Jd|dks/Jd||_||_||_||_| dksAJ| |_ ||_ | |_ | |_ ||_ |dusZ|dksZJ|dusd|dksdJ|dusn|dksnJ|dusx|dksxJ||_||_||_||_|dksJ|dksJ|dksJ|dksJ||_||_||_||_|tjtjtjtjfvsJ|tjtjtjfvsJ||_||_d|_ d|_!||_"dS)Nrz6border_radius_top_right must be a non-negative integerz5border_radius_top_left must be a non-negative integerz8border_radius_bottom_left must be a non-negative integerz9border_radius_bottom_right must be a non-negative integer)#_background_color _border_top _border_right_border_bottom _border_left_border_radius_top_left_border_radius_top_right_border_radius_bottom_right_border_radius_bottom_left _border_width _border_color_font _font_color _font_size _margin_top _margin_right_margin_bottom _margin_left _padding_top_padding_right_padding_bottom _padding_leftrrrrrrrr_horizontal_alignment_vertical_alignment_previous_layout_box_previous_paint_box_parent)selfr r!r"r#r$r%r&r'r(r)r*r+r-r.r/r0r1r2r3r4r5r6r7r8r9rrr__init__/sn           zLayoutElement.__init__ border_boxreturncCsjd}t||}t||}t|||}t|||}g}|jrV|jrV|jdkrV||||jfgt |||jf||f||j|fgddd7}|jro|jdkro||||jfg7}|||fg7}|jr|jdkr|||j|fg7}|jr|||j |fg7}n|dg7}|jr|j r|j dkr|t ||j |f||f|||j fgddd7}|jr|j dkr|||fg7}|j r|j dkr||||j fg7}|j r||||j fg7}n|dg7}|j r|j r|j dkr|t |||j f||f||j |fgddd7}|j r(|j dkr(|||fg7}|j r<|j dkr<|||j |fg7}|j rK|||j|fg7}n|dg7}|j ry|jry|jdkry|t ||j|f||f|||jfgddd7}|j r|jdkr|||fg7}|jr|jdkr||||j fg7}|jr||||jfg7}|S|dg7}|S)Nrri)roundget_xget_y get_width get_heightr;r>r?rsmooth_closed_polygonr@r<rAr=rB)rUrWnxllyllxuryurpointsrrr_get_border_outlines                 z!LayoutElement._get_border_outlineavailable_spacecCs&t|||tdtdS)Nr)rrZr[r]r)rUrfrrr_get_content_box s zLayoutElement._get_content_boxpPagecCs8|}|dur dS|}|durdS|dvS)z This function returns whether this LayoutElement needs to be tagged :param p: the Page on which this LayoutElement is to be painted :return: true if this LayoutElement needs to be tagged, False otherwise NF)AU) get_documentget_document_info!get_conformance_level_upon_createget_conformance_level)rUrhdocumentconformance_levelrrr_needs_to_be_taggeds  z!LayoutElement._needs_to_be_taggedpagebackground_boxcCs|jsdS|js J|j}|jdkrl|jdkrl|jdkrl|jdkrldt|jt|jt|j | | | | | | | | | | | | | | | f }||dS|j|j|j|jg}d|_d|_d|_d|_||}|ddusJ|d|_|d|_|d|_|d|_dt|jt|jt|j t|ddt|ddf}|D]}|dusJ|dt|dt|df7}q|d 7}||dS) Nrz q %f %f %f rg %f %f m %f %f l %f %f l %f %f l %f %f l f Q Trrr z/ q %f %f %f rg %f %f m z %f %f lz f Q)r:to_rgbr@r?rBrAfloatredgreenbluerZr[r]r\append_to_content_streamr;r<r=r>re)rUrsrt rgb_colorcontentbeforeoutline_pointsrhrrr_paint_background$sl              "zLayoutElement._paint_backgroundc Cs|j|jkr|jkr|jkrdkrdS|jdkr!dS|j}dt|jt|j t|j t|jf}| |}t |ddD]/\}}|}||d} |dus[| dur\qG|dt|dt|dt| dt| df7}qG|d7}| |dS)NFrzq %f %f %f RG %f w rz %d %d m %d %d l sz Q)r;r<r=r>rCrDrurvrwrxryre enumeraterz) rUrsrWr{r|rdirhp0p1rrr_paint_borders{sD         zLayoutElement._paint_borders content_boxcCsdS)Nr)rUrsrrrr_paint_content_boxsz LayoutElement._paint_content_boxcC|jptdS)zK This function returns the font size of this LayoutElement r)rGrrUrrr get_font_sizezLayoutElement.get_font_sizec Cstd}td|}d}tdddD]U}zN|ttdtdt|t||}||kr1Wq|dur9|}Wq||}||}t||t||krY|}Wq||kraW|SWqYq|S)a  This function returns the layout box that fits this LayoutElement and whose ratio of dimensions (width / height) are closest to the golden ratio. :return: the layout box (in landscape mode) with ratio closest to the golden ratio S?rNr )rrangeget_layout_boxrr\r]abs)rU GOLDEN_RATIOINVERSE_GOLDEN_RATIObest_landscape_boxw landscape_boxratio best_ratiorrrget_golden_ratio_landscape_boxs>   z,LayoutElement.get_golden_ratio_landscape_boxc Cstd}td|}d}tdddD]U}zN|ttdtdt||t|}||kr1Wq|dur9|}Wq||}||}t||t||krY|}Wq||kraW|SWqYq|S)a This function returns the layout box that fits this LayoutElement and whose ratio of dimensions (height / width) are closest to the golden ratio. :return: the layout box (in portrait mode) with ratio closest to the golden ratio rrNrrr)rrrrr]r\r)rUrrbest_portrait_boxh portrait_boxrrrrrget_golden_ratio_portrait_boxs>   z+LayoutElement.get_golden_ratio_portrait_boxcCs4z|ttdtdtdtdWSYdS)a% This function returns the largest (in landscape mode) box that will fit this LayoutElement. For most (all) LayoutElements, this also ought to be the layout box with the smallest height, and largest width. :return: the largest layout box (in landscape mode) rrN)rrrrrrrget_largest_landscape_box$s z'LayoutElement.get_largest_landscape_boxcCs"td}|jr ||j7}|jr||j7}td}|jr ||j7}|jr(||j7}t||j|jr5|jntd| |j |jrE|jntdt td| |j|j |t td||j|j |}||}td}td}|jtjkr||td}|j|8_|jtjkr||}|j|8_|jtjkr| | td}|j|7_|jtjkr| | }|j|7_t||j|jr|jntd| |j |jr|jntd| |j|j |||j|j ||_|jS)z This function returns the previous result of layout :return: the Rectangle that was the result of the previous layout operation rr)rr>rCr<r;r=rrZrOr[rNmaxr\rMr]rLrgrQrryrrPrxrrR)rUrfhorizontal_border_widthvertical_border_widthcbox_available_spacecboxdelta_xdelta_yrrrr1s           zLayoutElement.get_layout_boxcCr)zO This function returns the bottom margin of this LayoutElement r)rJrrrrrget_margin_bottom{rzLayoutElement.get_margin_bottomcCr)zM This function returns the left margin of this LayoutElement r)rKrrrrrget_margin_leftrzLayoutElement.get_margin_leftcCr)zN This function returns the right margin of this LayoutElement r)rIrrrrrget_margin_rightrzLayoutElement.get_margin_rightcCr)zL This function returns the top margin of this LayoutElement r)rHrrrrrget_margin_toprzLayoutElement.get_margin_topcC|jS)z This function returns the previous result of layout of this LayoutElement :return: the Rectangle that was the result of the previous layout operation )rRrrrrget_previous_layout_boxz%LayoutElement.get_previous_layout_boxcCr)z This function returns the previous result of painting this LayoutElement :return: the Rectangle that was the result of the previous paint operation )rSrrrrget_previous_paint_boxrz$LayoutElement.get_previous_paint_boxcCstd}td}||td}d}t||tdkrXz+|ttdtd|td}|dus3J||kr<|}n|}||td}WnY|St||tdks|S)a' This function returns the smallest (in landscape mode) box that will fit this LayoutElement. For most (all) LayoutElements, this also ought to be the layout box with the smallest width, and largest height. :return: the smallest layout box (in landscape mode) rrrNr)rrrrr\)rU max_width min_widthmidpoint_widthrrrrget_smallest_landscape_boxs&  z(LayoutElement.get_smallest_landscape_boxc Cstd}|jr ||j7}|jr||j7}td}|jr ||j7}|jr(||j7}t||j|jr5|jntd| |j |jrE|jntdt td| |j|j |t td||j|j |}||}t|dt|dkrJ|jjdt|ddt|ddt| dt| dkr||J|jjdt| ddt| ddtd}td}|jtjkr||td}|j|8_|jtjkr||}|j|8_|jtjkr| | td}|j|7_|jtjkr)| | }|j|7_t||j|jr7|jntd| |j |jrH|jntd| |j|j |||j|j |} ||| ||| |||| |_ dS) aJ This method paints this LayoutElement on the given Page, in the available space :param page: the Page on which to paint this LayoutElement :param available_space: the available space (as a Rectangle) on which to paint this LayoutElement :return: None rrFz1 is too tall to fit inside column / page. Needed z pts, only z pts available.z1 is too wide to fit inside column / page. Needed N)!rr>rCr<r;r=rrZrOr[rNrr\rMr]rLrgrY __class__rrQrrrrrPrrrrrrrS) rUrsrfrrrrrrbgboxrrrpaints`          2 2  ""    zLayoutElement.paint)&rrrrrrrrrtypingOptionalrboolUnionstrrVrListTuplerergrrrrrrrrrrrrrrrrrrrrrrr%s       k r W(:: Jr)rrdecimalrenumborb.pdf.canvas.color.colorrr"borb.pdf.canvas.geometry.rectangler%borb.pdf.canvas.line_art.blob_factoryrEnumrrrrrrs