support step1x

examples/step1x/step1x.py

@@ -0,0 +1,34 @@
+import torch
+from diffsynth import FluxImagePipeline, ModelManager
+from modelscope import snapshot_download
+from PIL import Image
+import numpy as np
+
+
+snapshot_download("Qwen/Qwen2.5-VL-7B-Instruct", cache_dir="./models")
+snapshot_download("stepfun-ai/Step1X-Edit", cache_dir="./models")
+
+model_manager = ModelManager(torch_dtype=torch.bfloat16, device="cuda")
+model_manager.load_models([
+    "models/Qwen/Qwen2.5-VL-7B-Instruct",
+    "models/stepfun-ai/Step1X-Edit/step1x-edit-i1258.safetensors",
+    "models/stepfun-ai/Step1X-Edit/vae.safetensors",
+])
+pipe = FluxImagePipeline.from_model_manager(model_manager)
+
+image = Image.fromarray(np.zeros((1248, 832, 3), dtype=np.uint8) + 255)
+image = pipe(
+    prompt="draw red flowers in Chinese ink painting style",
+    step1x_reference_image=image,
+    width=832, height=1248, cfg_scale=6,
+    seed=1,
+)
+image.save("image_1.jpg")
+
+image = pipe(
+    prompt="add more flowers in Chinese ink painting style",
+    step1x_reference_image=image,
+    width=832, height=1248, cfg_scale=6,
+    seed=2,
+)
+image.save("image_2.jpg")