from share import * import config import cv2 import einops import gradio as gr import numpy as np import torch import random from pytorch_lightning import seed_everything from annotator.util import resize_image, HWC3 from cldm.model import create_model, load_state_dict from ldm.models.diffusion.ddim import DDIMSampler model = create_model('./models/cldm_v15.yaml').cpu() model.load_state_dict(load_state_dict('./models/control_sd15_scribble.pth', location='cuda')) model = model.cuda() ddim_sampler = DDIMSampler(model) def process(input_image, prompt, a_prompt, n_prompt, num_samples, image_resolution, ddim_steps, scale, seed, eta): with torch.no_grad(): img = resize_image(HWC3(input_image['mask'][:, :, 0]), image_resolution) H, W, C = img.shape detected_map = np.zeros_like(img, dtype=np.uint8) detected_map[np.min(img, axis=2) > 127] = 255 control = torch.from_numpy(detected_map.copy()).float().cuda() / 255.0 control = torch.stack([control for _ in range(num_samples)], dim=0) control = einops.rearrange(control, 'b h w c -> b c h w').clone() if seed == -1: seed = random.randint(0, 65535) seed_everything(seed) if config.save_memory: model.low_vram_shift(is_diffusing=False) cond = {"c_concat": [control], "c_crossattn": [model.get_learned_conditioning([prompt + ', ' + a_prompt] * num_samples)]} un_cond = {"c_concat": [control], "c_crossattn": [model.get_learned_conditioning([n_prompt] * num_samples)]} shape = (4, H // 8, W // 8) if config.save_memory: model.low_vram_shift(is_diffusing=True) samples, intermediates = ddim_sampler.sample(ddim_steps, num_samples, shape, cond, verbose=False, eta=eta, unconditional_guidance_scale=scale, unconditional_conditioning=un_cond) if config.save_memory: model.low_vram_shift(is_diffusing=False) x_samples = model.decode_first_stage(samples) x_samples = (einops.rearrange(x_samples, 'b c h w -> b h w c') * 127.5 + 127.5).cpu().numpy().clip(0, 255).astype(np.uint8) results = [x_samples[i] for i in range(num_samples)] return [255 - detected_map] + results def create_canvas(w, h): return np.zeros(shape=(h, w, 3), dtype=np.uint8) + 255 block = gr.Blocks().queue() with block: with gr.Row(): gr.Markdown("## Control Stable Diffusion with Interactive Scribbles") with gr.Row(): with gr.Column(): canvas_width = gr.Slider(label="Canvas Width", minimum=256, maximum=1024, value=512, step=1) canvas_height = gr.Slider(label="Canvas Height", minimum=256, maximum=1024, value=512, step=1) create_button = gr.Button(label="Start", value='Open drawing canvas!') input_image = gr.Image(source='upload', type='numpy', tool='sketch') gr.Markdown(value='Do not forget to change your brush width to make it thinner. (Gradio do not allow developers to set brush width so you need to do it manually.) ' 'Just click on the small pencil icon in the upper right corner of the above block.') create_button.click(fn=create_canvas, inputs=[canvas_width, canvas_height], outputs=[input_image]) prompt = gr.Textbox(label="Prompt") run_button = gr.Button(label="Run") with gr.Accordion("Advanced options", open=False): num_samples = gr.Slider(label="Images", minimum=1, maximum=12, value=1, step=1) image_resolution = gr.Slider(label="Image Resolution", minimum=256, maximum=768, value=512, step=256) ddim_steps = gr.Slider(label="Steps", minimum=1, maximum=100, value=20, step=1) scale = gr.Slider(label="Guidance Scale", minimum=0.1, maximum=30.0, value=9.0, step=0.1) seed = gr.Slider(label="Seed", minimum=-1, maximum=2147483647, step=1, randomize=True) eta = gr.Number(label="eta (DDIM)", value=0.0) a_prompt = gr.Textbox(label="Added Prompt", value='best quality, extremely detailed') n_prompt = gr.Textbox(label="Negative Prompt", value='longbody, lowres, bad anatomy, bad hands, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality') with gr.Column(): result_gallery = gr.Gallery(label='Output', show_label=False, elem_id="gallery").style(grid=2, height='auto') ips = [input_image, prompt, a_prompt, n_prompt, num_samples, image_resolution, ddim_steps, scale, seed, eta] run_button.click(fn=process, inputs=ips, outputs=[result_gallery]) block.launch(server_name='0.0.0.0')