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ImageResizeKJv2: Add total_pixels mode

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Resizes to desired total pixel count while preserving aspect ratio
This commit is contained in:
kijai 2025-10-19 14:07:15 +03:00
parent 0797150591
commit 6ee278aa7d
1 changed files with 18 additions and 9 deletions
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27
nodes/image_nodes.py
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@ -2468,7 +2468,7 @@ class ImageResizeKJv2:
"width": ("INT", { "default": 512, "min": 0, "max": MAX_RESOLUTION, "step": 1, }),
"height": ("INT", { "default": 512, "min": 0, "max": MAX_RESOLUTION, "step": 1, }),
"upscale_method": (s.upscale_methods,),
"keep_proportion": (["stretch", "resize", "pad", "pad_edge", "pad_edge_pixel", "crop", "pillarbox_blur"], { "default": False }),
"keep_proportion": (["stretch", "resize", "pad", "pad_edge", "pad_edge_pixel", "crop", "pillarbox_blur", "total_pixels"], { "default": False }),
"pad_color": ("STRING", { "default": "0, 0, 0", "tooltip": "Color to use for padding."}),
"crop_position": (["center", "top", "bottom", "left", "right"], { "default": "center" }),
"divisible_by": ("INT", { "default": 2, "min": 0, "max": 512, "step": 1, }),
@ -2505,19 +2505,23 @@ highest dimension.
else:
device = torch.device("cpu")
if width == 0:
width = W
if height == 0:
height = H
pillarbox_blur = keep_proportion == "pillarbox_blur"
# Initialize padding variables
pad_left = pad_right = pad_top = pad_bottom = 0
if keep_proportion == "resize" or keep_proportion.startswith("pad") or pillarbox_blur:
if keep_proportion in ["resize", "total_pixels"] or keep_proportion.startswith("pad") or pillarbox_blur:
if keep_proportion == "total_pixels":
total_pixels = width * height
aspect_ratio = W / H
new_height = int(math.sqrt(total_pixels / aspect_ratio))
new_width = int(math.sqrt(total_pixels * aspect_ratio))
# If one of the dimensions is zero, calculate it to maintain the aspect ratio
if width == 0 and height != 0:
elif width == 0 and height == 0:
new_width = W
new_height = H
elif width == 0 and height != 0:
ratio = height / H
new_width = round(W * ratio)
new_height = height
@ -2563,6 +2567,11 @@ highest dimension.
width = new_width
height = new_height
else:
if width == 0:
width = W
if height == 0:
height = H
if divisible_by > 1:
width = width - (width % divisible_by)