Track bundled vendor runtime sources

vendor/ComfyUI/comfy_extras/nodes_resolution.py

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+import math
+from enum import Enum
+from typing_extensions import override
+from comfy_api.latest import ComfyExtension, io
+
+
+class AspectRatio(str, Enum):
+    SQUARE = "1:1 (Square)"
+    PHOTO_V = "2:3 (Portrait Photo)"
+    PHOTO_H = "3:2 (Photo)"
+    STANDARD_V = "3:4 (Portrait Standard)"
+    STANDARD_H = "4:3 (Standard)"
+    WIDESCREEN_V = "9:16 (Portrait Widescreen)"
+    WIDESCREEN_H = "16:9 (Widescreen)"
+    ULTRAWIDE_H = "21:9 (Ultrawide)"
+
+
+ASPECT_RATIOS: dict[AspectRatio, tuple[int, int]] = {
+    AspectRatio.SQUARE: (1, 1),
+    AspectRatio.PHOTO_V: (2, 3),
+    AspectRatio.PHOTO_H: (3, 2),
+    AspectRatio.STANDARD_V: (3, 4),
+    AspectRatio.STANDARD_H: (4, 3),
+    AspectRatio.WIDESCREEN_V: (9, 16),
+    AspectRatio.WIDESCREEN_H: (16, 9),
+    AspectRatio.ULTRAWIDE_H: (21, 9),
+}
+
+
+class ResolutionSelector(io.ComfyNode):
+    """Calculate width and height from aspect ratio and megapixel target."""
+
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="ResolutionSelector",
+            display_name="Resolution Selector",
+            category="utilities",
+            description="Calculate width and height from aspect ratio and megapixel target. Useful for setting up Empty Latent Image dimensions.",
+            inputs=[
+                io.Combo.Input(
+                    "aspect_ratio",
+                    options=AspectRatio,
+                    default=AspectRatio.SQUARE,
+                    tooltip="The aspect ratio for the output dimensions.",
+                ),
+                io.Float.Input(
+                    "megapixels",
+                    default=1.0,
+                    min=0.1,
+                    max=16.0,
+                    step=0.1,
+                    tooltip="Target total megapixels. 1.0 MP ≈ 1024x1024 for square.",
+                ),
+                io.Int.Input(
+                    id="multiple",
+                    default=8,
+                    min=8,
+                    max=128,
+                    step=4,
+                    tooltip="Nearest multiple of the result to set the selected resolution to.",
+                    advanced=True,
+                ),
+            ],
+            outputs=[
+                io.Int.Output(
+                    "width", tooltip="Calculated width in pixels multiplied by the selected multiple."
+                ),
+                io.Int.Output(
+                    "height", tooltip="Calculated height in pixels multiplied by the selected multiple."
+                ),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, aspect_ratio: str, megapixels: float, multiple: int) -> io.NodeOutput:
+        w_ratio, h_ratio = ASPECT_RATIOS[aspect_ratio]
+        total_pixels = megapixels * 1024 * 1024
+        scale = math.sqrt(total_pixels / (w_ratio * h_ratio))
+        width = round(w_ratio * scale / multiple) * multiple
+        height = round(h_ratio * scale / multiple) * multiple
+        return io.NodeOutput(width, height)
+
+
+class ResolutionExtension(ComfyExtension):
+    @override
+    async def get_node_list(self) -> list[type[io.ComfyNode]]:
+        return [
+            ResolutionSelector,
+        ]
+
+
+async def comfy_entrypoint() -> ResolutionExtension:
+    return ResolutionExtension()