From 60ae7de568a8c67b201e215b0021f348ac092db1 Mon Sep 17 00:00:00 2001
From: MrJs <30782821+mrjschulte@users.noreply.github.com>
Date: Sun, 11 Feb 2024 13:06:15 -0800
Subject: [PATCH 1/2] Create "Mix" node

This node allow let the user do a quick and simple mix (otherwise known as a dissolve/fade) between two input images.
---
 .../image_utility/compositing/mix.py          | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py

diff --git a/backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py b/backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py
new file mode 100644
index 0000000000..522d4a85ec
--- /dev/null
+++ b/backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py
@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+import numpy as np
+
+from nodes.properties.inputs import ImageInput, SliderInput
+from nodes.properties.outputs import ImageOutput
+
+from .. import compositing_group
+
+
+@compositing_group.register(
+    schema_id="chainner:image:mix",
+    name="Mix",
+    description="Mixes 2 images together.",
+    icon="BsLayersHalf",
+    inputs=[
+        ImageInput("Image A"),
+        ImageInput("Image B"),
+        SliderInput(
+            "Mix",
+            minimum=0.0,
+            maximum=1.0,
+            default=0.5,
+            precision=4,
+            controls_step=0.001,
+            scale="linear",
+        ),
+    ],
+    outputs=[
+        ImageOutput(
+            image_type="Input0",
+        )
+    ],
+)
+def mix_node(input1: np.ndarray, input2: np.ndarray, mix: float) -> np.ndarray:
+    mixed_image = (1 - mix) * input1 + mix * input2
+    return mixed_image

From 219a9b161cf40505d885317cc41b75770c78a895 Mon Sep 17 00:00:00 2001
From: MrJs <30782821+mrjschulte@users.noreply.github.com>
Date: Sun, 11 Feb 2024 17:52:27 -0800
Subject: [PATCH 2/2] Update
 backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py

Co-authored-by: Michael Schmidt <msrd0000@gmail.com>
---
 .../chaiNNer_standard/image_utility/compositing/mix.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py b/backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py
index 522d4a85ec..c7051b23eb 100644
--- a/backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py
+++ b/backend/src/packages/chaiNNer_standard/image_utility/compositing/mix.py
@@ -28,8 +28,14 @@
     ],
     outputs=[
         ImageOutput(
-            image_type="Input0",
-        )
+            image_type="""
+                Image {
+                    width: Input0.width & Input1.width,
+                    height: Input0.height & Input1.height,
+                    channels: max(Input0.channels, Input1.channels),
+                }
+            """,
+        ).with_never_reason("Both images must have the same size."),
     ],
 )
 def mix_node(input1: np.ndarray, input2: np.ndarray, mix: float) -> np.ndarray: