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Add advanced parameters for resolution selector and make the calculations more robust to ensure minimum and multiple is correect without breaking aspect ratio.

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This commit is contained in:
silveroxides 2026-06-06 04:23:24 +02:00
parent a65a5464c7
commit e2327bed40
1 changed files with 29 additions and 3 deletions
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32
comfy_extras/nodes_resolution.py
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@ -52,6 +52,24 @@ class ResolutionSelector(io.ComfyNode):
step=0.1,
tooltip="Target total megapixels. 1.0 MP ≈ 1024×1024 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,
),
io.Int.Input(
id="minimum",
default=256,
min=32,
max=4096,
step=32,
tooltip="Set minimum resolution for any side to be used",
advanced=True,
),
],
outputs=[
io.Int.Output(
@ -64,12 +82,20 @@ class ResolutionSelector(io.ComfyNode):
)
@classmethod
def execute(cls, aspect_ratio: str, megapixels: float) -> io.NodeOutput:
def execute(cls, aspect_ratio: str, megapixels: float, multiple: int, minimum: 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 / 8) * 8
height = round(h_ratio * scale / 8) * 8
width = round(w_ratio * scale / multiple) * multiple
height = round(h_ratio * scale / multiple) * multiple
if width < minimum or height < minimum:
step_w = multiple // math.gcd(w_ratio, multiple)
step_h = multiple // math.gcd(h_ratio, multiple)
k_step = step_w * step_h // math.gcd(step_w, step_h)
min_k = math.ceil(max(minimum / w_ratio, minimum / h_ratio))
k = math.ceil(min_k / k_step) * k_step
width = w_ratio * k
height = h_ratio * k
return io.NodeOutput(width, height)