forked from TDTP/pantallas-led
116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
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import requests
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import io
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from io import BytesIO
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from PIL import ImageDraw, ImageFont
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from PIL import Image, ImageDraw, ImageFont
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import matplotlib.pyplot as plt
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import numpy as np
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class MyDraw():
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def __init__(self, height, width):
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self.height = height
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self.width = width
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pass
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def save_image(self, filename):
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self.image.save(filename)
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pass
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def start_draw(self, background_color=None):
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if background_color is None:
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background_color = self.theme_params['background_color']
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self.image = Image.new("RGB", (self.width, self.height), background_color)
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self.draw = ImageDraw.Draw(self.image)
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pass
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def add_image(self, obj, position):
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image_to_add = obj.get_image() # Obtiene la imagen del objeto pasado como argumento
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if image_to_add:
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self.image.paste(image_to_add, position)
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pass
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def get_draw(self):
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return self.draw
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def get_image(self):
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return self.image
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def set_params(self,params):
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self.prms = params
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pass
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def set_theme(self,mode='day'):
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if(mode=='day'):
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self.start_day_mode()
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else:
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self.start_night_mode()
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pass
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def start_day_mode(self):
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self.theme_params = {
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'background_color': 'white',
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'text_color': 'black',
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'poster_line_color': 'black',
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}
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pass
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def start_night_mode(self):
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self.theme_params = {
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'background_color': 'black',
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'text_color': 'white',
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'poster_line_color': 'gray',
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}
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pass
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def load_barlow(self, font_size=None):
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# Ruta a la fuente TTF personalizada
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font_path = "/app/data/Barlow-Medium.ttf"
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# Carga la fuente
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if font_size is None:
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self.font = ImageFont.truetype(font_path, self.prms['font_size'])
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else:
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self.font = ImageFont.truetype(font_path, font_size)
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pass
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def preview(self):
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plt.imshow(self.image)
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plt.axis('off')
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plt.show()
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def crop_image(self, top_cut, bottom_cut):
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width, height = self.image.size
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self.image = self.image.crop((0, top_cut, width, height - bottom_cut))
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pass
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def resize_image(self, target_width=None, target_height=None):
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"""
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Ajusta el tamaño de la imagen mientras mantiene las proporciones.
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Args:
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image (PIL.Image.Image): La imagen a redimensionar.
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target_width (int, opcional): El ancho objetivo deseado.
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target_height (int, opcional): La altura objetivo deseada.
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Returns:
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PIL.Image.Image: La imagen redimensionada.
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"""
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width, height = self.image.size
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aspect_ratio = width / height
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if target_width is None and target_height is None:
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raise ValueError("Debes proporcionar al menos una de las dimensiones objetivo.")
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if target_width is not None and target_height is None:
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new_width = target_width
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new_height = int(target_width / aspect_ratio)
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elif target_width is None and target_height is not None:
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new_width = int(target_height * aspect_ratio)
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new_height = target_height
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else:
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new_width = target_width
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new_height = target_height
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self.image = self.image.resize((new_width, new_height))
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pass
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