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import gradio as gr | |
from PIL import Image, ImageDraw | |
import numpy as np | |
def draw_lines(x, y): | |
# キャンバスのサイズ | |
width, height = 1024, 1024 | |
# 白背景のキャンバスを作成 | |
image = Image.new("RGB", (width, height), "white") | |
draw = ImageDraw.Draw(image) | |
# 直線を描画する関数 | |
def draw_rotated_line(angle): | |
rad = np.radians(angle) | |
cos_val = np.cos(rad) | |
sin_val = np.sin(rad) | |
# キャンバスの対角線の長さを計算 | |
diagonal_length = np.sqrt(width**2 + height**2) | |
# 中心から端までの線を計算 | |
line_length = diagonal_length | |
# 線の始点と終点を計算 | |
start_x = x - line_length * cos_val | |
start_y = y - line_length * sin_val | |
end_x = x + line_length * cos_val | |
end_y = y + line_length * sin_val | |
# 線を描画 | |
draw.line((start_x, start_y, end_x, end_y), fill="blue", width=1) | |
# 5度ずつ回転させながら直線を描画 | |
for angle in range(0, 360, 5): | |
draw_rotated_line(angle) | |
# PIL Imageをnumpy配列に変換 | |
return np.array(image) | |
# Gradioインターフェース | |
iface = gr.Interface(fn=draw_lines, | |
inputs=[gr.Slider(minimum=0, maximum=1024, value=512, label="X座標"), | |
gr.Slider(minimum=0, maximum=1024, value=512, label="Y座標")], | |
outputs="image", | |
live=True, | |
title="VP preprocess") | |
iface.launch() | |