OwlCyberSecurity - MANAGER
Edit File: textpath.cpython-38.pyc
U ��] F � @ s� d dl mZ d dlZd dlZd dlZd dlZd dlm Z m Z m Z m Z d dl mZmZ d dlmZmZmZ d dlmZ d dlmZ d dlmZ e�e�Z G d d � d e �Z e � Z G d d � d e�Z dS ) � )� OrderedDictN)�cbook�dviread� font_manager�rcParams)�FontProperties�get_font)�KERNING_DEFAULT�LOAD_NO_HINTING�LOAD_TARGET_LIGHT)�MathTextParser)�Path)�Affine2Dc @ s� e Zd ZdZdZdZdd� Zee� d�dd� ��Z d d � Z d d � Z d d� Z dd� Zej ddd�d)dd��Zdd� Ze�dd�d*dd ��Zd+d d �Zd,d d!�Zd"d#� Zd-d$d%�Zee�d&�d'd(� ��Zd S ).� TextToPathz'A class that converts strings to paths.g Y@�H c C s t d�| _d | _d S )N�path)r �mathtext_parser� _texmanager��self� r �5/usr/lib/python3/dist-packages/matplotlib/textpath.py�__init__ s zTextToPath.__init__z3.0c C s t �t �d��S )N� pdftex.map)r � PsfontsMap� find_tex_filer r r r � tex_font_map s zTextToPath.tex_font_mapc C s& t �|�}t|�}|�| j| j� |S )zX Find the `FT2Font` matching font properties *prop*, with its size set. )r Zfindfontr �set_size� FONT_SCALE�DPI)r �prop�fname�fontr r r � _get_font" s zTextToPath._get_fontc C s t S )N)r r r r r �_get_hinting_flag+ s z TextToPath._get_hinting_flagc C s t j�d�|j|��S )zO Return a unique id for the given font and character-code set. z{}-{})�urllib�parse�quote�formatZpostscript_name)r r" �ccoder r r � _get_char_id. s zTextToPath._get_char_idc C s$ |� � d }tj�d||f �}|S )zY Return a unique id for the given font and character-code set (for tex). � z%s-%d)Zget_ps_font_infor% r& r' )r r" r) Zps_name�char_idr r r �_get_char_id_ps4 s zTextToPath._get_char_id_ps�3.1z6font.get_path() and manual translation of the vertices�Z alternative� c C s4 |� � \}}|dkr,|dd�df |7 < ||fS )z?Convert the *font*'s current glyph to a (vertices, codes) pair.r0 Nr )�get_path)r r" �currx�verts�codesr r r � glyph_to_path< s zTextToPath.glyph_to_pathc C s� t d r8| �� }|�� }|j||d d�\}}}|||fS |�� }|| j } |r�|�� }|�| j� | j�|d|�\} } } } }| | | | | | fS | � |�}|j |dt d� |� � \}}|d }|d }|� � }|d }|| || || fS )N� text.usetex)Zrendererr r0 ��flagsg P@)r �get_texmanager�get_size_in_points� get_text_width_height_descentr �copyr r r& r# Zset_textr Zget_width_heightZ get_descent)r �sr �ismathZ texmanager�fontsize�w�h�d�scale�width�height�descentZtrashZused_charactersr" r r r r; F s. � � z(TextToPath.get_text_width_height_descent�usetexFc C s� |rd}|dkr$| � ||�\}}}n4|sF| �|�}| �||�\}}}n| �||�\}}}g g } } |D ]J\} } } }|| \}}t|�rft�|�| | | g }| �|� | �|� qf|D ] \}}| �|� | �|� q�| | fS )a* Convert text *s* to path (a tuple of vertices and codes for matplotlib.path.Path). Parameters ---------- prop : `matplotlib.font_manager.FontProperties` instance The font properties for the text. s : str The text to be converted. ismath : {False, True, "TeX"} If True, use mathtext parser. If "TeX", use tex for renderering. usetex : bool, optional If set, forces *ismath* to True. This parameter is deprecated. Returns ------- verts, codes : tuple of lists *verts* is a list of numpy arrays containing the x and y coordinates of the vertices. *codes* is a list of path codes. Examples -------- Create a list of vertices and codes from a text, and create a `Path` from those:: from matplotlib.path import Path from matplotlib.textpath import TextToPath from matplotlib.font_manager import FontProperties fp = FontProperties(family="Humor Sans", style="italic") verts, codes = TextToPath().get_text_path(fp, "ABC") path = Path(verts, codes, closed=False) Also see `TextPath` for a more direct way to create a path from a text. �TeX)�get_glyphs_texr# �get_glyphs_with_font�get_glyphs_mathtext�len�npZarray�extend)r r r= r> rG Z glyph_info� glyph_map�rectsr" r3 r4 Zglyph_idZ xpositionZ ypositionrC Zverts1Zcodes1r r r � get_text_pathb s& , zTextToPath.get_text_pathNc C s d}d}g }g }|dkr t � }|r*t � } n|} |D ]�} t| �} |�| �} | dkr\td�} d} |dk rt|�|| t�} nd} |j| td�}|jd }| �|| �}||kr�|� � | |< || d 7 }|� |� |� |� ||7 }| }q2dgt |� }dgt |� }g }t t ||||��| |fS )zW Convert string *s* to vertices and codes using the provided ttf font. Nr �?r7 i �@ g �?)r �ordZget_char_indexZ get_kerningr � load_charr ZlinearHoriAdvancer* r1 �appendrL �list�zip)r r" r= rO �return_new_glyphs_onlyZlastgindr2 � xpositions� glyph_ids� glyph_map_new�cr) ZgindZkern�glyphZ horiz_advancer, � ypositions�sizesrP r r r rJ � sF �z TextToPath.get_glyphs_with_fontc C sr |� � }|�| j� | j�|| j|�\}}}}} |s:t� }|rFt� } n|} g } g } g } g }|D ]�\}}}}}| �||�}||kr�|�� |�| j| j� |j |t d�}|� � | |< | � |� | � |� | � |� || j }|� |� q^g }| D ]j\}}}}||f||| f|| || f|| |f||fdg}t jt jt jt jt jt jg}|� ||f� q�tt| | | |��| |fS )zW Parse mathtext string *s* and convert it to a (vertices, codes) pair. r7 �r r )r< r r r r& r r r* �clearrU r r1 rV r �MOVETO�LINETO� CLOSEPOLYrW rX ) r r r= rO rY rD rE rF ZglyphsrP r\ rZ r_ r[ r` r" r? r) �ox�oyr, r^ �size�myrectsr@ rA �vert1�code1r r r rK � s^ � � � �z TextToPath.get_glyphs_mathtextc C s$ | j dkr ddlm} |� | _ | j S )z5Return the cached `~.texmanager.TexManager` instance.Nr )� TexManager)r Zmatplotlib.texmanagerrl )r rl r r r r9 s zTextToPath.get_texmanagerc C s� | � � �|| j�}t�|| j�� }|\}W 5 Q R X |dkr@t� }|rLt� }n|}g g g g f\} } } } |jD ]�\} }}}}| �|j �\}}| � ||�}||kr�|� � |� | j| j� |dk r�|� || �}|j|td� n|j|td� |�� ||< | �|� | �| � | �|� | �|j| j � qjg }|jD ]l\}}}}||f|| |f|| || f||| f||fdg}tjtjtjtjtjtjg} |�|| f� �q0tt| | | | ��||fS )z?Convert the string *s* to vertices and codes using usetex mode.Nr7 ra )r9 Zmake_dvir r ZDvir r �text�_get_ps_font_and_encoding�texnamer- rb r Zget_name_indexZ load_glyphr rU r1 rV rh Zboxesr rc rd re rW rX ) r r r= rO rY ZdvifileZdviZpager\ r[ rZ r_ r` Zx1Zy1Zdvifontr^ rD r" �encr, �indexri rf rg rA r@ rj rk r r r rI sV � � �zTextToPath.get_glyphs_tex�2 c C s� t �t �d��}|| }|jd kr:td|j� d| � d���t|j�}|jrXt �|j�}nPdD ]4\}}z|� |� W n tt fk r� Y q\X q�q\d}t � d|j� d }||fS )Nr z No usable font file found for z (z&). The font may lack a Type-1 version.))Z ADOBE_CUSTOMiCBDA)ZADOBE_STANDARDiBODA� z#No supported encoding in font (%s).) r r r �filename� ValueErrorZpsnamer �encodingZ _parse_encZselect_charmap� RuntimeError�_logZwarning)ro r Z font_bunchr" rp Z charmap_nameZ charmap_coder r r rn S s* � �z$TextToPath._get_ps_font_and_encoding)r0 )FF)NF)NF)NF)�__name__� __module__� __qualname__�__doc__r r r �propertyr � deprecatedr r# r$ r* r- r5 r; Z_delete_parameterrQ rJ rK r9 rI � staticmethod� functools� lru_cachern r r r r r s@ � D � < � 3 � 6r c @ sr e Zd ZdZddd�Zdd� Zd d � Zed d � �Zed d� �Z dd� Z e � d�dd� �Z e j dd d�dd� �ZdS )�TextPathz& Create a path from the text. N� Fc O s� ddl m} |s|r"tjddd� |dkr0t� }|dkr@|�� }|| _| �|� d| _| |d�� |�\}} t j ||| d�\| _ | _ d | _td | _|| _dS ) a Create a path from the text. Note that it simply is a path, not an artist. You need to use the `~.PathPatch` (or other artists) to draw this path onto the canvas. Parameters ---------- xy : tuple or array of two float values Position of the text. For no offset, use ``xy=(0, 0)``. s : str The text to convert to a path. size : float, optional Font size in points. Defaults to the size specified via the font properties *prop*. prop : `matplotlib.font_manager.FontProperties`, optional Font property. If not provided, will use a default ``FontProperties`` with parameters from the :ref:`rcParams <matplotlib-rcparams>`. _interpolation_steps : integer, optional (Currently ignored) usetex : bool, optional Whether to use tex rendering. Defaults to ``False``. Examples -------- The following creates a path from the string "ABC" with Helvetica font face; and another path from the latex fraction 1/2:: from matplotlib.textpath import TextPath from matplotlib.font_manager import FontProperties fp = FontProperties(family="Helvetica", style="italic") path1 = TextPath((12,12), "ABC", size=12, prop=fp) path2 = TextPath((0,0), r"$\frac{1}{2}$", size=12, usetex=True) Also see :doc:`/gallery/text_labels_and_annotations/demo_text_path`. r )�Textr. z^Additional arguments to TextPath used to be ignored, but will trigger a TypeError %(removal)s.)�messageN�rG �r> Fzpath.simplify_threshold)Zmatplotlib.textr� r Zwarn_deprecatedr r: �_xyr �_cached_verticesZ_preprocess_math� text_to_pathrQ � _vertices�_codesZ_should_simplifyr Z_simplify_threshold�_interpolation_steps) r Zxyr= rh r r� rG �args�kwargsr� r> r r r r � s, 0 � � zTextPath.__init__c C s || _ d| _dS )zSet the text size.TN)�_size�_invalid)r rh r r r r � s zTextPath.set_sizec C s | j S )zGet the text size.)r� r r r r �get_size� s zTextPath.get_sizec C s | � � | jS )zH Return the cached path after updating it if necessary. )�_revalidate_pathr� r r r r �vertices� s zTextPath.verticesc C s | j S )z" Return the codes )r� r r r r r4 � s zTextPath.codesc C sN | j s| jdkrJt� �| jtj | jtj �j| j� }|� | j �| _d| _ dS )z� Update the path if necessary. The path for the text is initially create with the font size of `~.FONT_SCALE`, and this path is rescaled to other size when necessary. NF) r� r� r rC r� r� r � translater� Z transformr� )r Ztrr r r r� � s ��zTextPath._revalidate_pathr. c C sX |� d�|� d� }|dko&|d dk}td r8|dfS |rD|dfS |�dd�dfS d S ) zM Returns True if the given string *s* contains any mathtext. �$z\$r r+ r6 rH TFN)�countr �replace)r r= Z dollar_countZ even_dollarsr r r � is_math_text� s zTextPath.is_math_textr/ c C s6 |rt j||dd�S | �|�\}}t j|||d�S dS )zd Convert string *s* to a (vertices, codes) pair using font property *prop*. Tr� r� N)r� rQ r� )r r r= rG Z clean_liner> r r r �text_get_vertices_codes s z TextPath.text_get_vertices_codes)NNr� F)ry rz r{ r| r r r� r} r� r4 r� r r~ r� r� r r r r r� � s � G r� )!� collectionsr r� ZloggingZ urllib.parser% ZnumpyrM Z matplotlibr r r r Zmatplotlib.font_managerr r Zmatplotlib.ft2fontr r r Zmatplotlib.mathtextr Zmatplotlib.pathr Zmatplotlib.transformsr Z getLoggerry rx �objectr r� r� r r r r �<module> s p