Adding a new node RS Ref 2 Latent

Rayko_Ref2Latent.py

@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2025-2026 Raykosan (RaykoStudio)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import node_helpers
+import comfy.utils
+
+class RSRef2Latent:
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "vae": ("VAE",),
+                "image": ("IMAGE",),
+                "positive": ("CONDITIONING",),
+                "negative": ("CONDITIONING",),
+            }
+        }
+
+    RETURN_TYPES = ("CONDITIONING", "CONDITIONING", "LATENT")
+    RETURN_NAMES = ("positive", "negative", "latent")
+    FUNCTION = "process"
+    CATEGORY = "🦊 RaykoStudio"
+    DESCRIPTION = "Converts reference image to latent and adds it as reference_latents in conditioning"
+
+    def process(self, vae, image, positive, negative):
+        if vae is None:
+            raise RuntimeError("VAE is required. Please connect a VAE loader.")
+        
+        original_height, original_width = image.shape[1], image.shape[2]
+        
+        downscale_factor = getattr(vae, 'downscale_factor', 8)
+        valid_multiple = downscale_factor * 8
+        
+        def round_to_valid(x):
+            return ((x + valid_multiple - 1) // valid_multiple) * valid_multiple
+        
+        target_width = round_to_valid(original_width)
+        target_height = round_to_valid(original_height)
+        
+        samples = image.movedim(-1, 1)
+        vae_input = comfy.utils.common_upscale(samples, target_width, target_height, "lanczos", "center")
+        vae_input = vae_input.movedim(1, -1)
+        
+        ref_latent = vae.encode(vae_input[:, :target_height, :target_width, :])
+        
+        positive_out = node_helpers.conditioning_set_values(positive, {"reference_latents": [ref_latent]}, append=True)
+        negative_out = node_helpers.conditioning_set_values(negative, {"reference_latents": [ref_latent]}, append=True)
+        
+        latent = {"samples": ref_latent}
+        
+        return (positive_out, negative_out, latent)
+
+
+NODE_CLASS_MAPPINGS = {
+    "RSRef2Latent": RSRef2Latent,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "RSRef2Latent": "🦊 RS Ref 2 Latent",
+}

__init__.py

@@ -29,7 +29,7 @@ IGNORED_MODULES: Set[str] = {'__init__.py'}
 REQUIRED_MODULES: Set[str] = set()
 
 PACKAGE_DISPLAY_NAME = "ComfyUI_RaykoStudio"
-__version__ = "0.28.1"
+__version__ = "0.28.2"
 
 def load_modules():
     print(f"🦊 {PACKAGE_DISPLAY_NAME}: Version: {__version__}")

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ComfyUI_RaykoStudio",
-  "version": "0.28.1",
+  "version": "0.28.2",
   "description": "Set of custom nodes for ComfyUI providing additional image processing capabilities",
   "author": "Raykosan",
   "license": "Apache License 2.0",
@@ -27,6 +27,7 @@
       "Rayko_MultiLatent.py"
       "Rayko_Outpaint.py"
       "Rayko_Prompts.py"
+      "Rayko_Ref2Latent.py"
       "Rayko_RGB2RGBA.py"
       "Rayko_Saturation.py"
       "Rayko_Save_Image.py"

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "ComfyUI_RaykoStudio"
 description = "Set of custom nodes for ComfyUI providing additional image processing capabilities"
-version = "0.28.1"
+version = "0.28.2"
 license = { file = "LICENSE" }
 dependencies = ["torch", "numpy", "Pillow>=10.0.0", "freetype-py>=2.5.1", "pycairo>=1.29.0", "scipy>=1.10.0"]