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app.py

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+import random
+import numpy as np
+from PIL import Image
+import base64
+from io import BytesIO
+
+import torch
+import torchvision.transforms.functional as F
+from diffusers import ControlNetModel, StableDiffusionControlNetPipeline
+import gradio as gr
+
+device = "cpu"   # Linux & Windows
+weight_type = torch.float32  # torch.float16 works as well, but pictures seem to be a bit worse
+
+controlnet = ControlNetModel.from_pretrained(
+    "IDKiro/sdxs-512-dreamshaper-sketch", torch_dtype=weight_type
+).to(device)
+pipe = StableDiffusionControlNetPipeline.from_pretrained(
+    "IDKiro/sdxs-512-dreamshaper", controlnet=controlnet, torch_dtype=weight_type
+)
+pipe.to(device)
+
+style_list = [
+    {
+        "name": "No Style",
+        "prompt": "{prompt}",
+    },
+    {
+        "name": "Cinematic",
+        "prompt": "cinematic still {prompt} . emotional, harmonious, vignette, highly detailed, high budget, bokeh, cinemascope, moody, epic, gorgeous, film grain, grainy",
+    },
+    {
+        "name": "3D Model",
+        "prompt": "professional 3d model {prompt} . octane render, highly detailed, volumetric, dramatic lighting",
+    },
+    {
+        "name": "Anime",
+        "prompt": "anime artwork {prompt} . anime style, key visual, vibrant, studio anime,  highly detailed",
+    },
+    {
+        "name": "Digital Art",
+        "prompt": "concept art {prompt} . digital artwork, illustrative, painterly, matte painting, highly detailed",
+    },
+    {
+        "name": "Photographic",
+        "prompt": "cinematic photo {prompt} . 35mm photograph, film, bokeh, professional, 4k, highly detailed",
+    },
+    {
+        "name": "Pixel art",
+        "prompt": "pixel-art {prompt} . low-res, blocky, pixel art style, 8-bit graphics",
+    },
+    {
+        "name": "Fantasy art",
+        "prompt": "ethereal fantasy concept art of  {prompt} . magnificent, celestial, ethereal, painterly, epic, majestic, magical, fantasy art, cover art, dreamy",
+    },
+    {
+        "name": "Neonpunk",
+        "prompt": "neonpunk style {prompt} . cyberpunk, vaporwave, neon, vibes, vibrant, stunningly beautiful, crisp, detailed, sleek, ultramodern, magenta highlights, dark purple shadows, high contrast, cinematic, ultra detailed, intricate, professional",
+    },
+    {
+        "name": "Manga",
+        "prompt": "manga style {prompt} . vibrant, high-energy, detailed, iconic, Japanese comic style",
+    },
+]
+
+styles = {k["name"]: k["prompt"] for k in style_list}
+STYLE_NAMES = list(styles.keys())
+DEFAULT_STYLE_NAME = "No Style"
+MAX_SEED = np.iinfo(np.int32).max
+
+
+def pil_image_to_data_url(img, format="PNG"):
+    buffered = BytesIO()
+    img.save(buffered, format=format)
+    img_str = base64.b64encode(buffered.getvalue()).decode()
+    return f"data:image/{format.lower()};base64,{img_str}"
+
+
+def randomize_seed_fn(seed: int, randomize_seed: bool) -> int:
+    if randomize_seed:
+        seed = random.randint(0, MAX_SEED)
+    return seed
+
+
+def run(
+    image, 
+    prompt, 
+    prompt_template, 
+    style_name, 
+    controlnet_conditioning_scale,
+    device_type="CPU",
+    param_dtype='torch.float16',
+):
+    if device_type == "CPU":
+        device = "cpu" 
+        param_dtype = 'torch.float32'
+    else:
+        device = "cuda"
+    
+    pipe.to(torch_device=device, torch_dtype=torch.float16 if param_dtype == 'torch.float16' else torch.float32)
+
+    print(f"prompt: {prompt}")
+    print("sketch updated")
+    if image is None:
+        ones = Image.new("L", (512, 512), 255)
+        temp_url = pil_image_to_data_url(ones)
+        return ones, gr.update(link=temp_url), gr.update(link=temp_url)
+    prompt = prompt_template.replace("{prompt}", prompt)
+    control_image = image.convert("RGB")
+    control_image = Image.fromarray(255 - np.array(control_image))
+
+    output_pil = pipe(
+        prompt=prompt,
+        image=control_image,
+        width=512,
+        height=512,
+        guidance_scale=0.0,
+        num_inference_steps=1,
+        num_images_per_prompt=1,
+        output_type="pil",
+        controlnet_conditioning_scale=controlnet_conditioning_scale,
+    ).images[0]
+
+    input_sketch_url = pil_image_to_data_url(control_image)
+    output_image_url = pil_image_to_data_url(output_pil)
+    return (
+        output_pil,
+        gr.update(link=input_sketch_url),
+        gr.update(link=output_image_url),
+    )
+
+
+def update_canvas(use_line, use_eraser):
+    if use_eraser:
+        _color = "#ffffff"
+        brush_size = 20
+    if use_line:
+        _color = "#000000"
+        brush_size = 8
+    return gr.update(brush_radius=brush_size, brush_color=_color, interactive=True)
+
+
+def upload_sketch(file):
+    _img = Image.open(file.name)
+    _img = _img.convert("L")
+    return gr.update(value=_img, source="upload", interactive=True)
+
+
+scripts = """
+async () => {
+    globalThis.theSketchDownloadFunction = () => {
+        console.log("test")
+        var link = document.createElement("a");
+        dataUrl = document.getElementById('download_sketch').href
+        link.setAttribute("href", dataUrl)
+        link.setAttribute("download", "sketch.png")
+        document.body.appendChild(link); // Required for Firefox
+        link.click();
+        document.body.removeChild(link); // Clean up
+      
+        // also call the output download function
+        theOutputDownloadFunction();
+      return false
+    }
+
+    globalThis.theOutputDownloadFunction = () => {
+        console.log("test output download function")
+        var link = document.createElement("a");
+        dataUrl = document.getElementById('download_output').href
+        link.setAttribute("href", dataUrl);
+        link.setAttribute("download", "output.png");
+        document.body.appendChild(link); // Required for Firefox
+        link.click();
+        document.body.removeChild(link); // Clean up
+      return false
+    }
+
+    globalThis.UNDO_SKETCH_FUNCTION = () => {
+        console.log("undo sketch function")
+        var button_undo = document.querySelector('#input_image > div.image-container.svelte-p3y7hu > div.svelte-s6ybro > button:nth-child(1)');
+        // Create a new 'click' event
+        var event = new MouseEvent('click', {
+            'view': window,
+            'bubbles': true,
+            'cancelable': true
+        });
+        button_undo.dispatchEvent(event);
+    }
+
+    globalThis.DELETE_SKETCH_FUNCTION = () => {
+        console.log("delete sketch function")
+        var button_del = document.querySelector('#input_image > div.image-container.svelte-p3y7hu > div.svelte-s6ybro > button:nth-child(2)');
+        // Create a new 'click' event
+        var event = new MouseEvent('click', {
+            'view': window,
+            'bubbles': true,
+            'cancelable': true
+        });
+        button_del.dispatchEvent(event);
+    }
+
+    globalThis.togglePencil = () => {
+        el_pencil = document.getElementById('my-toggle-pencil');
+        el_pencil.classList.toggle('clicked');
+        // simulate a click on the gradio button
+        btn_gradio = document.querySelector("#cb-line > label > input");
+        var event = new MouseEvent('click', {
+            'view': window,
+            'bubbles': true,
+            'cancelable': true
+        });
+        btn_gradio.dispatchEvent(event);
+        if (el_pencil.classList.contains('clicked')) {
+            document.getElementById('my-toggle-eraser').classList.remove('clicked');
+            document.getElementById('my-div-pencil').style.backgroundColor = "gray";
+            document.getElementById('my-div-eraser').style.backgroundColor = "white";
+        }
+        else {
+            document.getElementById('my-toggle-eraser').classList.add('clicked');
+            document.getElementById('my-div-pencil').style.backgroundColor = "white";
+            document.getElementById('my-div-eraser').style.backgroundColor = "gray";
+        }
+        
+    }
+
+    globalThis.toggleEraser = () => {
+        element = document.getElementById('my-toggle-eraser');
+        element.classList.toggle('clicked');
+        // simulate a click on the gradio button
+        btn_gradio = document.querySelector("#cb-eraser > label > input");
+        var event = new MouseEvent('click', {
+            'view': window,
+            'bubbles': true,
+            'cancelable': true
+        });
+        btn_gradio.dispatchEvent(event);
+        if (element.classList.contains('clicked')) {
+            document.getElementById('my-toggle-pencil').classList.remove('clicked');
+            document.getElementById('my-div-pencil').style.backgroundColor = "white";
+            document.getElementById('my-div-eraser').style.backgroundColor = "gray";
+        }
+        else {
+            document.getElementById('my-toggle-pencil').classList.add('clicked');
+            document.getElementById('my-div-pencil').style.backgroundColor = "gray";
+            document.getElementById('my-div-eraser').style.backgroundColor = "white";
+        }
+    }
+}
+"""
+
+with gr.Blocks(css="style.css") as demo:
+    gr.Markdown("# SDXS-512-DreamShaper-Sketch")
+    # these are hidden buttons that are used to trigger the canvas changes
+    line = gr.Checkbox(label="line", value=False, elem_id="cb-line")
+    eraser = gr.Checkbox(label="eraser", value=False, elem_id="cb-eraser")
+    with gr.Row(elem_id="main_row"):
+        with gr.Column(elem_id="column_input"):
+            gr.Markdown("## INPUT", elem_id="input_header")
+            image = gr.Image(
+                source="canvas", tool="color-sketch", type="pil", image_mode="L",
+                invert_colors=True, shape=(512, 512), brush_radius=8, height=440, width=440,
+                brush_color="#000000", interactive=True, show_download_button=True, elem_id="input_image", show_label=False)
+            download_sketch = gr.Button("Download sketch", scale=1, elem_id="download_sketch")
+            
+            gr.HTML("""
+            <div class="button-row">
+                <div id="my-div-pencil" class="pad2"> <button id="my-toggle-pencil" onclick="return togglePencil(this)"></button> </div>
+                <div id="my-div-eraser" class="pad2"> <button id="my-toggle-eraser" onclick="return toggleEraser(this)"></button> </div>
+                <div class="pad2"> <button id="my-button-undo" onclick="return UNDO_SKETCH_FUNCTION(this)"></button> </div>
+                <div class="pad2"> <button id="my-button-clear" onclick="return DELETE_SKETCH_FUNCTION(this)"></button> </div>
+                <div class="pad2"> <button href="TODO" download="image" id="my-button-down" onclick='return theSketchDownloadFunction()'></button> </div>
+            </div>
+            """)
+            # gr.Markdown("## Prompt", elem_id="tools_header")
+            prompt = gr.Textbox(label="Prompt", value="", show_label=True)
+            with gr.Row():
+                style = gr.Dropdown(label="Style", choices=STYLE_NAMES, value=DEFAULT_STYLE_NAME, scale=1)
+                prompt_temp = gr.Textbox(label="Prompt Style Template", value=styles[DEFAULT_STYLE_NAME], scale=2, max_lines=1)
+            
+            controlnet_conditioning_scale = gr.Slider(label="Control Strength", minimum=0, maximum=1, step=0.01, value=0.8)
+
+                 
+            device_choices = ['GPU','CPU']
+            device_type = gr.Radio(device_choices, label='Device',  
+                                        value=device_choices[1],
+                                        interactive=False,
+                                        info='No funding to provide GPU-based demos now. Please choose CPU!')
+            
+            dtype_choices = ['torch.float16','torch.float32']
+            param_dtype = gr.Radio(dtype_choices,label='torch.weight_type',  
+                                        value=dtype_choices[0],
+                                        interactive=True,
+                                        info='To save GPU memory, use torch.float16. For better quality, use torch.float32.')
+                
+
+        with gr.Column(elem_id="column_process", min_width=50, scale=0.4):
+            gr.Markdown("## SDXS-Sketch", elem_id="description")
+            run_button = gr.Button("Run", min_width=50)
+
+        with gr.Column(elem_id="column_output"):
+            gr.Markdown("## OUTPUT", elem_id="output_header")
+            result = gr.Image(label="Result", height=440, width=440, elem_id="output_image", show_label=False, show_download_button=True)
+            download_output = gr.Button("Download output", elem_id="download_output")
+            gr.Markdown("### Instructions")
+            gr.Markdown("**1**. Enter a text prompt (e.g. cat)")
+            gr.Markdown("**2**. Start sketching")
+            gr.Markdown("**3**. Change the image style using a style template")
+            gr.Markdown("**4**. Adjust the effect of sketch guidance using the slider")
+
+    
+    eraser.change(fn=lambda x: gr.update(value=not x), inputs=[eraser], outputs=[line]).then(update_canvas, [line, eraser], [image])
+    line.change(fn=lambda x: gr.update(value=not x), inputs=[line], outputs=[eraser]).then(update_canvas, [line, eraser], [image])
+
+    demo.load(None,None,None,_js=scripts)
+    inputs = [image, prompt, prompt_temp, style, controlnet_conditioning_scale, device_type, param_dtype]
+    outputs = [result, download_sketch, download_output]
+    prompt.submit(fn=run, inputs=inputs, outputs=outputs)
+    style.change(lambda x: styles[x], inputs=[style], outputs=[prompt_temp]).then(
+        fn=run, inputs=inputs, outputs=outputs,)
+    run_button.click(fn=run, inputs=inputs, outputs=outputs)
+    image.change(run, inputs=inputs, outputs=outputs,)
+
+if __name__ == "__main__":
+    demo.queue().launch(debug=True)

requirements.txt

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+einops>=0.6.1
+numpy>=1.24.4
+opencv-python==4.6.0.66
+pillow>=9.5.0
+scipy==1.11.1
+timm>=0.9.2
+tokenizers
+torch>=2.0.1
+torchaudio>=2.0.2
+torchdata==0.6.1
+torchvision>=0.15.2
+tqdm>=4.65.0
+transformers
+triton==2.0.0
+urllib3<1.27,>=1.25.4
+xformers>=0.0.20
+accelerate
+streamlit-keyup==0.2.0
+peft
+dominate
+diffusers==0.25.1
+gradio==3.43.1
+hf_transfer

style.css

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+@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css');
+
+/* the outermost contrained of the app */
+.main{
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    width: 1200px;
+}
+
+/* #main_row{
+    
+} */
+
+/* hide this class */
+.svelte-p4aq0j {
+    display: none;
+}
+
+.wrap.svelte-p4aq0j.svelte-p4aq0j {
+    display: none;
+}
+
+#download_sketch{
+    display: none;
+}
+
+#download_output{
+    display: none;
+}
+
+#column_input, #column_output{
+    width: 500px;
+    display: flex;
+    /* justify-content: center; */
+    align-items: center;
+}
+
+#tools_header, #input_header, #output_header, #process_header {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    width: 400px;
+}
+
+
+#nn{
+    width: 100px;
+    height: 100px;
+}
+
+
+#column_process{
+    display: flex;
+    justify-content: center; /* Center horizontally */
+    align-items: center; /* Center vertically */
+    height: 600px;
+}
+
+/* this is the "pix2pix-turbo" above the process button */
+#description > span{
+    display: flex;
+    justify-content: center; /* Center horizontally */
+    align-items: center; /* Center vertically */
+}
+
+/* this is the "UNDO_BUTTON, X_BUTTON" */
+div.svelte-1030q2h{
+    width: 30px;
+    height: 30px;
+    display: none;
+}
+
+
+#component-5 > div{
+    border: 0px;
+    box-shadow: none;
+}
+
+#cb-eraser, #cb-line{
+    display: none;
+}
+
+/* eraser text */
+#cb-eraser > label > span{
+    display: none;
+}
+#cb-line > label > span{
+    display: none;
+}
+
+
+.button-row {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 50px;
+    border: 0px;
+}
+
+#my-toggle-pencil{
+    background-image: url("https://icons.getbootstrap.com/assets/icons/pencil.svg");
+    background-color: white;
+    background-size: cover;
+    margin: 0px;
+    box-shadow: none;
+    width: 40px;
+    height: 40px;
+}
+
+#my-toggle-pencil.clicked{
+    background-image: url("https://icons.getbootstrap.com/assets/icons/pencil-fill.svg");
+    transform: scale(0.98);
+    background-color: gray;
+    background-size: cover;
+    /* background-size: 95%;
+    background-position: center; */
+    /* border: 2px solid #000; */
+    margin: 0px;
+    box-shadow: none;
+    width: 40px;
+    height: 40px;
+}
+
+
+#my-toggle-eraser{
+    background-image: url("https://icons.getbootstrap.com/assets/icons/eraser.svg");
+    background-color: white;
+    background-color: white;
+    background-size: cover;
+    margin: 0px;
+    box-shadow: none;
+    width: 40px;
+    height: 40px;
+}
+
+#my-toggle-eraser.clicked{
+    background-image: url("https://icons.getbootstrap.com/assets/icons/eraser-fill.svg");
+    transform: scale(0.98);
+    background-color: gray;
+    background-size: cover;
+    margin: 0px;
+    box-shadow: none;
+    width: 40px;
+    height: 40px;
+}
+
+
+
+#my-button-undo{
+    background-image: url("https://icons.getbootstrap.com/assets/icons/arrow-counterclockwise.svg");
+    background-color: white;
+    background-size: cover;
+    margin: 0px;
+    box-shadow: none;
+    width: 40px;
+    height: 40px;
+}
+
+#my-button-clear{
+    background-image: url("https://icons.getbootstrap.com/assets/icons/x-lg.svg");
+    background-color: white;
+    background-size: cover;
+    margin: 0px;
+    box-shadow: none;
+    width: 40px;
+    height: 40px;
+    
+}
+
+
+#my-button-down{
+    background-image: url("https://icons.getbootstrap.com/assets/icons/arrow-down.svg");
+    background-color: white;
+    background-size: cover;
+    margin: 0px;
+    box-shadow: none;
+    width: 40px;
+    height: 40px;
+    
+}
+
+.pad2{
+    padding: 2px;
+    background-color: white;
+    border: 2px solid #000;
+    margin: 10px;
+    display: flex;
+    justify-content: center; /* Center horizontally */
+    align-items: center; /* Center vertically */
+}
+
+
+
+
+#output_image, #input_image{
+    border-radius: 0px;
+    border: 5px solid #000;
+    border-width: none;
+}
+
+
+#output_image > img{
+    border: 5px solid #000;
+    border-radius: 0px;
+    border-width: none;
+}
+
+#input_image > div.image-container.svelte-p3y7hu > div.wrap.svelte-yigbas > canvas:nth-child(1){
+    border: 5px solid #000;
+    border-radius: 0px;
+    border-width: none;
+}