70 lines
2.7 KiB
Python
70 lines
2.7 KiB
Python
#!/usr/bin/env python3
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"""Generate result images at different step counts for quality comparison."""
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import io, time
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import requests
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import numpy as np
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from PIL import Image, ImageFilter
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import app as A
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COMFY = "http://127.0.0.1:8188"
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MODEL = "flux2.0/flux-2-klein-9b-fp8.safetensors"
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DTYPE = "fp8_e4m3fn_fast"
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OUT = "output"
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image = Image.open("用来重绘.jpg").convert("RGB")
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mask_img = Image.open("用来重绘.png").convert("RGBA")
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mask_data = np.max(np.array(mask_img), axis=2)
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m = Image.fromarray(mask_data, mode="L")
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if m.size != image.size:
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m = m.resize(image.size, Image.LANCZOS)
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m = m.filter(ImageFilter.GaussianBlur(radius=4))
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alpha = Image.eval(m, lambda x: 255 - x)
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r, g, b = image.split()
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rgba = Image.merge("RGBA", (r, g, b, alpha))
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buf = io.BytesIO(); rgba.save(buf, format="PNG"); buf.seek(0)
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fname = requests.post(f"{COMFY}/upload/image",
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files={"image": ("hair_input.png", buf, "image/png")}).json()["name"]
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# fixed seed for fair comparison
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SEED = 123456789
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imgs = []
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labels = []
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for steps in [2, 3, 4, 6]:
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wf = A.build_workflow(fname, "填充遮罩区域的头发，皮肤加一点磨皮", seed=SEED)
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wf["16"]["inputs"]["unet_name"] = MODEL
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wf["16"]["inputs"]["weight_dtype"] = DTYPE
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wf["1"]["inputs"]["steps"] = steps
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pid = requests.post(f"{COMFY}/prompt", json={"prompt": wf}).json()["prompt_id"]
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t0 = time.time()
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while True:
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time.sleep(0.1)
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h = requests.get(f"{COMFY}/history/{pid}").json()
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if pid in h and "17" in h[pid].get("outputs", {}):
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ts = {mm[0]: mm[1].get("timestamp") for mm in h[pid]["status"]["messages"]}
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dur = (ts["execution_success"] - ts["execution_start"]) / 1000.0
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info = h[pid]["outputs"]["17"]["images"][0]
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data = requests.get(f"{COMFY}/view", params={
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"filename": info["filename"], "subfolder": info.get("subfolder", ""),
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"type": info.get("type", "output")}).content
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im = Image.open(io.BytesIO(data)).convert("RGB")
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imgs.append(im)
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labels.append(f"steps={steps} {dur:.2f}s")
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print(f"steps={steps}: {dur:.2f}s", flush=True)
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break
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# build side-by-side contact sheet
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from PIL import ImageDraw
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h0 = imgs[0].height
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w0 = imgs[0].width
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pad = 10
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bar = 28
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sheet = Image.new("RGB", (w0 * len(imgs) + pad * (len(imgs) + 1),
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h0 + bar + pad * 2), (26, 26, 46))
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d = ImageDraw.Draw(sheet)
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for i, (im, lb) in enumerate(zip(imgs, labels)):
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x = pad + i * (w0 + pad)
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sheet.paste(im, (x, bar + pad))
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d.text((x + 4, 6), lb, fill=(233, 69, 96))
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sheet.save(f"{OUT}/compare_steps.png")
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print("saved:", f"{OUT}/compare_steps.png", flush=True)
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