m.giller/E-Paper-Calendar
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Implemented basic wraping

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Maximilian Giller 2019-03-05 22:09:55 +01:00
parent 1b92692b51
commit 0291c24e23
1 changed files with 10 additions and 3 deletions
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13
Calendar/TextDesign.py
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@ -1,13 +1,14 @@
from DesignEntity import DesignEntity from DesignEntity import DesignEntity
from PIL import ImageFont, ImageDraw, ImageOps from PIL import ImageFont, ImageDraw, ImageOps
from Assets import path, defaultfont from Assets import path, defaultfont
from TextWraper import wrap_text_with_font
paddingcorrection = -5 paddingcorrection = -5
class TextDesign (DesignEntity): class TextDesign (DesignEntity):
"""Object that manages all information relevant to text """Object that manages all information relevant to text
and prints it to an image""" and prints it to an image"""
def __init__ (self, size, font = None, fontsize = 12, text = "", horizontalalignment = "left", verticalalignment = "top", mask=True, truncate=True, truncate_suffix = '...'): def __init__ (self, size, font = None, fontsize = 12, text = "", horizontalalignment = "left", verticalalignment = "top", mask=True, truncate=True, truncate_suffix = '...', wrap=False):
super(TextDesign, self).__init__(size, mask = mask) super(TextDesign, self).__init__(size, mask = mask)
if font is None: if font is None:
font = defaultfont font = defaultfont
@ -18,11 +19,14 @@ class TextDesign (DesignEntity):
self.vertical_alignment = verticalalignment self.vertical_alignment = verticalalignment
self.truncate = truncate self.truncate = truncate
self.truncate_suffix = truncate_suffix self.truncate_suffix = truncate_suffix
self.wrap = wrap
def __finish_image__ (self): def __finish_image__ (self):
self.__font__ = self.__get_font__() self.__font__ = self.__get_font__()
if self.truncate: if self.wrap is False and self.truncate:
self.__truncate_text__() self.__truncate_text__()
if self.wrap:
self.__wrap_text__()
pos = self.__pos_from_alignment__() pos = self.__pos_from_alignment__()
ImageDraw.Draw(self.__image__).text(pos, self.text, fill=0, font=self.__font__) ImageDraw.Draw(self.__image__).text(pos, self.text, fill=0, font=self.__font__)
@ -30,7 +34,7 @@ class TextDesign (DesignEntity):
if self.__font__.getsize(self.text)[0] < self.size[0]: #does not need truncating if self.__font__.getsize(self.text)[0] < self.size[0]: #does not need truncating
return return
suffix_length = self.__font__.getsize(self.truncate_suffix)[0] suffix_length = self.__font__.getsize(self.truncate_suffix)[0]
while self.__font__.getsize(self.text)[0] + suffix_length >= self.size[0]: while len(self.text) > 1 and self.__font__.getsize(self.text)[0] + suffix_length >= self.size[0]:
self.text = self.text[0:-1] self.text = self.text[0:-1]
self.text += self.truncate_suffix self.text += self.truncate_suffix
@ -50,5 +54,8 @@ class TextDesign (DesignEntity):
return (x, y + paddingcorrection) return (x, y + paddingcorrection)
def __wrap_text__ (self):
self.text = wrap_text_with_font(self.text, self.size[0], self.__font__)
def __get_font__(self): def __get_font__(self):
return ImageFont.truetype(path + self.font_family, self.font_size) return ImageFont.truetype(path + self.font_family, self.font_size)