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| import streamlit as st | |
| from streamlit_drawable_canvas import st_canvas | |
| from PIL import Image | |
| import time | |
| import io | |
| import cv2 | |
| import numpy as np | |
| from camera_input_live import camera_input_live | |
| st.set_page_config(layout="wide") | |
| def make_canvas(image): | |
| canvas_dict = dict( | |
| fill_color='#F00000', | |
| stroke_color='#000000', | |
| background_color="#FFFFFF", | |
| background_image=image, | |
| stroke_width=40, | |
| update_streamlit=True, | |
| height=512, | |
| width=512, | |
| drawing_mode='freedraw', | |
| key="canvas" | |
| ) | |
| return st_canvas(**canvas_dict) | |
| def get_mask(image_mask: np.ndarray) -> np.ndarray: | |
| """Get the mask from the segmentation mask. | |
| Args: | |
| image_mask (np.ndarray): segmentation mask | |
| Returns: | |
| np.ndarray: mask | |
| """ | |
| # average the colors of the segmentation masks | |
| average_color = np.mean(image_mask, axis=(2)) | |
| mask = average_color[:, :] > 0 | |
| if mask.sum() > 0: | |
| mask = mask * 1 | |
| # 3 channels | |
| mask = np.stack([mask, mask, mask], axis=2) | |
| return mask | |
| def make_prompt_fields(): | |
| st.write("### Prompting") | |
| # prompt | |
| prompt = st.text_input("Prompt", value="A person in a room with colored hair", key="prompt") | |
| # negative prompt | |
| negative_prompt = st.text_input("Negative Prompt", value="Facial hair", key="negative_prompt") | |
| return prompt, negative_prompt | |
| def make_input_fields(): | |
| st.write("### Parameters") | |
| guidance_scale = st.slider("Guidance Scale", min_value=0.0, max_value=50.0, value=7.5, step=0.25, key="guidance_scale") | |
| inference_steps = st.slider("Inference Steps", min_value=1, max_value=50, value=20, step=1, key="inference_steps") | |
| generator_seed = st.slider("Generator Seed", min_value=0, max_value=10_000, value=0, step=1, key="generator_seed") | |
| st.write("### Latent walk") | |
| static_latents = st.checkbox("Static Latents", value=False, key="static_latents") | |
| latent_walk = st.slider("Latent Walk", min_value=0.0, max_value=1.0, value=0.0, step=0.01, key="latent_walk") | |
| return guidance_scale, inference_steps, generator_seed, static_latents, latent_walk | |
| def decode_image(image): | |
| cv2_img = cv2.imdecode(np.frombuffer(image, np.uint8), cv2.IMREAD_COLOR) | |
| cv2_img = cv2.cvtColor(cv2_img, cv2.COLOR_BGR2RGB) | |
| image = Image.fromarray(cv2_img).convert("RGB") | |
| return image | |
| if __name__ == "__main__": | |
| st.sidebar.title("Sidebar") | |
| with st.sidebar: | |
| webcam = camera_input_live(debounce=1000, key="webcam", width=512, height=512) | |
| prompt, negative_prompt = make_prompt_fields() | |
| guidance_scale, inference_steps, generator_seed, static_latents, latent_walk = make_input_fields() | |
| colA, colB = st.columns(2) | |
| with colA: | |
| st.write("## Webcam image") | |
| st.write("You can draw the mask on the image below.") | |
| image = decode_image(webcam.getvalue()) | |
| canvas = make_canvas(image) | |
| mask = get_mask(np.array(canvas.image_data)) | |
| with colB: | |
| st.write("## Generated image") | |
| st.write("The generated image will appear here.") | |
| if webcam: | |
| st.image(webcam) | |
| # st.image(mask*255) | |