import torch import gradio as gr from PIL import Image import qrcode from pathlib import Path from diffusers import ( StableDiffusionPipeline, StableDiffusionControlNetImg2ImgPipeline, ControlNetModel, DDIMScheduler, DPMSolverMultistepScheduler, ) from PIL import Image qrcode_generator = qrcode.QRCode( version=1, error_correction=qrcode.constants.ERROR_CORRECT_H, box_size=10, border=0, ) controlnet = ControlNetModel.from_pretrained( "DionTimmer/controlnet_qrcode-control_v1p_sd15", torch_dtype=torch.float16 ) pipe = StableDiffusionControlNetImg2ImgPipeline.from_pretrained( "runwayml/stable-diffusion-v1-5", controlnet=controlnet, safety_checker=None, torch_dtype=torch.float16, ) pipe.enable_xformers_memory_efficient_attention() pipe.scheduler = DDIMScheduler.from_config(pipe.scheduler.config) pipe.enable_model_cpu_offload() sd_pipe = StableDiffusionPipeline.from_pretrained( "stabilityai/stable-diffusion-2-1", torch_dtype=torch.float16 ) sd_pipe.scheduler = DPMSolverMultistepScheduler.from_config(sd_pipe.scheduler.config) sd_pipe = sd_pipe.to("cuda") sd_pipe.enable_xformers_memory_efficient_attention() sd_pipe.enable_model_cpu_offload() def resize_for_condition_image(input_image: Image.Image, resolution: int): input_image = input_image.convert("RGB") W, H = input_image.size k = float(resolution) / min(H, W) H *= k W *= k H = int(round(H / 64.0)) * 64 W = int(round(W / 64.0)) * 64 img = input_image.resize((W, H), resample=Image.LANCZOS) return img def inference( qr_code_content: str, prompt: str, negative_prompt: str, guidance_scale: float = 10.0, controlnet_conditioning_scale: float = 2.0, strength: float = 0.8, seed: int = -1, init_image: Image.Image | None = None, qrcode_image: Image.Image | None = None, ): if prompt is None or prompt == "": raise gr.Error("Prompt is required") if qrcode_image is None and qr_code_content == "": raise gr.Error("QR Code Image or QR Code Content is required") generator = torch.manual_seed(seed) if seed != -1 else torch.Generator() # hack due to gradio examples if init_image is None or init_image.size == (1, 1): print("Generating random image from prompt using Stable Diffusion") # generate image from prompt out = sd_pipe( prompt=prompt, negative_prompt=negative_prompt, generator=generator, num_inference_steps=25, num_images_per_prompt=1, ) # type: ignore init_image = out.images[0] else: print("Using provided init image") init_image = resize_for_condition_image(init_image, 768) if qr_code_content != "" or qrcode_image.size == (1, 1): print("Generating QR Code from content") qr = qrcode.QRCode( version=1, error_correction=qrcode.constants.ERROR_CORRECT_H, box_size=10, border=4, ) qr.add_data(qr_code_content) qr.make(fit=True) qrcode_image = qr.make_image(fill_color="black", back_color="white") qrcode_image = resize_for_condition_image(qrcode_image, 768) else: print("Using QR Code Image") qrcode_image = resize_for_condition_image(qrcode_image, 768) out = pipe( prompt=prompt, negative_prompt=negative_prompt, image=init_image, control_image=qrcode_image, # type: ignore width=768, # type: ignore height=768, # type: ignore guidance_scale=float(guidance_scale), controlnet_conditioning_scale=float(controlnet_conditioning_scale), # type: ignore generator=generator, strength=float(strength), num_inference_steps=40, ) return out.images[0] # type: ignore with gr.Blocks() as blocks: gr.Markdown( """ # QR Code AI Art Generator model: https://huggingface.co/DionTimmer/controlnet_qrcode-control_v1p_sd15 Duplicate Space for no queue on your own hardware.

""" ) with gr.Row(): with gr.Column(): qr_code_content = gr.Textbox( label="QR Code Content", info="QR Code Content or URL", value="", ) prompt = gr.Textbox( label="Prompt", info="Prompt is required. If init image is not provided, then it will be generated from prompt using Stable Diffusion 2.1", ) negative_prompt = gr.Textbox( label="Negative Prompt", value="ugly, disfigured, low quality, blurry, nsfw", ) with gr.Accordion(label="Init Images (Optional)", open=False): init_image = gr.Image(label="Init Image (Optional)", type="pil") qr_code_image = gr.Image( label="QR Code Image (Optional)", type="pil", ) with gr.Accordion( label="Params: The generated QR Code functionality is largely influenced by the parameters detailed below", open=False, ): guidance_scale = gr.Slider( minimum=0.0, maximum=50.0, step=0.01, value=10.0, label="Guidance Scale", ) controlnet_conditioning_scale = gr.Slider( minimum=0.0, maximum=5.0, step=0.01, value=2.0, label="Controlnet Conditioning Scale", ) strength = gr.Slider( minimum=0.0, maximum=1.0, step=0.01, value=0.8, label="Strength" ) seed = gr.Slider( minimum=-1, maximum=9999999999, step=1, value=2313123, label="Seed", randomize=True, ) with gr.Row(): run_btn = gr.Button("Run") with gr.Column(): result_image = gr.Image(label="Result Image") run_btn.click( inference, inputs=[ qr_code_content, prompt, negative_prompt, guidance_scale, controlnet_conditioning_scale, strength, seed, init_image, qr_code_image, ], outputs=[result_image], ) gr.Examples( examples=[ [ "https://huggingface.co/spaces/huggingface-projects/QR-code-AI-art-generator", "billboard amidst the bustling skyline of New York City, with iconic landmarks subtly featured in the background.", "ugly, disfigured, low quality, blurry, nsfw", 13.37, 2.81, 0.68, 2313123, "./examples/hack.png", "./examples/hack.png", ], [ "https://huggingface.co/spaces/huggingface-projects/QR-code-AI-art-generator", "beautiful sunset in San Francisco with Golden Gate bridge in the background", "ugly, disfigured, low quality, blurry, nsfw", 11.01, 2.61, 0.66, 1423585430, "./examples/hack.png", "./examples/hack.png", ], [ "https://huggingface.co", "A flying cat over a jungle", "ugly, disfigured, low quality, blurry, nsfw", 13, 2.81, 0.66, 2702246671, "./examples/hack.png", "./examples/hack.png", ], [ "", "crisp QR code prominently displayed on a billboard amidst the bustling skyline of New York City, with iconic landmarks subtly featured in the background.", "ugly, disfigured, low quality, blurry, nsfw", 10.0, 2.0, 0.8, 2313123, "./examples/init.jpeg", "./examples/qrcode.png", ], ], fn=inference, inputs=[ qr_code_content, prompt, negative_prompt, guidance_scale, controlnet_conditioning_scale, strength, seed, init_image, qr_code_image, ], outputs=[result_image], cache_examples=True, ) blocks.queue() blocks.launch()