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101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
import numpy as np
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import itertools as it
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import os
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from PIL import Image
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from random import random
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from tex_utils import *
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from mobject import *
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class ImageMobject(Mobject2D):
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"""
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Automatically filters out black pixels
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"""
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# SHOULD_BUFF_POINTS = False
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def __init__(self,
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image,
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filter_color = "black",
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invert = True,
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*args, **kwargs):
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#TODO, Make sure you always convert to RGB
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self.filter_rgb = 255 * np.array(Color(filter_color).get_rgb()).astype('uint8')
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if isinstance(image, str):
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self.name = to_cammel_case(
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os.path.split(image)[-1].split(".")[0]
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)
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possible_paths = [
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image,
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os.path.join(IMAGE_DIR, image),
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os.path.join(IMAGE_DIR, image + ".jpg"),
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os.path.join(IMAGE_DIR, image + ".png"),
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]
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found = False
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for path in possible_paths:
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if os.path.exists(path):
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image = Image.open(path).convert('RGB')
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found = True
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if not found:
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raise IOError("File not Found")
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if invert:
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image = invert_image(image)
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self.image_array = np.array(image)
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Mobject2D.__init__(self, *args, **kwargs)
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def generate_points(self):
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height, width = self.image_array.shape[:2]
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#Flatten array, and find indices where rgb is not filter_rgb
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array = self.image_array.reshape((height * width, 3))
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ones = np.ones(height * width, dtype = 'bool')
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for i in range(3):
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ones *= (array[:,i] != self.filter_rgb[i])
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indices = np.arange(height * width, dtype = 'int')[ones]
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rgbs = array[indices, :].astype('float') / 255.0
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points = np.zeros((indices.size, 3), dtype = 'float64')
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points[:,0] = indices%width - width/2
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points[:,1] = -indices/width + height/2
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height, width = map(float, (height, width))
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if height / width > float(DEFAULT_HEIGHT) / DEFAULT_WIDTH:
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points *= 2 * SPACE_HEIGHT / height
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else:
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points *= 2 * SPACE_WIDTH / width
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self.add_points(points, rgbs = rgbs)
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def should_buffer_points(self):
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# potentially changed in subclasses
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return False
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class Face(ImageMobject):
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def __init__(self, mode = "simple", *args, **kwargs):
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"""
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Mode can be "simple", "talking", "straight"
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"""
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ImageMobject.__init__(self, mode + "_face", *args, **kwargs)
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self.scale(0.5)
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self.center()
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class VideoIcon(ImageMobject):
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def __init__(self, *args, **kwargs):
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ImageMobject.__init__(self, "video_icon", *args, **kwargs)
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self.scale(0.3)
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self.center()
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def text_mobject(text, size = "\\Large"):
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return tex_mobject(text, size, TEMPLATE_TEXT_FILE)
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def tex_mobject(expression,
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size = "\\Huge",
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template_tex_file = TEMPLATE_TEX_FILE):
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images = tex_to_image(expression, size, template_tex_file)
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if isinstance(images, list):
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#TODO, is checking listiness really the best here?
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return CompoundMobject(*map(ImageMobject, images)).center()
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else:
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return ImageMobject(images).center()
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