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Add Krea2 resolution selector

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Ethanfel
2026-06-26 12:35:23 +02:00
parent 0a9a82991e
commit 4f0203fc3d
2 changed files with 333 additions and 0 deletions
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__init__.py
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@@ -1,6 +1,7 @@
from __future__ import annotations
import json
import math
import random
import re
@@ -43,6 +44,27 @@ SDXL_BUCKET_RESOLUTIONS = [
{"orientation": "landscape", "width": 1536, "height": 1024, "aspect": 1.50, "mp": 1.57},
]
KREA2_API_ASPECT_RATIOS = ["1:1", "4:3", "3:2", "16:9", "2.35:1", "4:5", "2:3", "9:16"]
KREA2_ASPECT_RATIOS = KREA2_API_ASPECT_RATIOS + ["21:9", "9:21", "3:1", "1:3", "custom", "random_api"]
KREA2_MEGAPIXEL_PRESETS = [
"max_for_aspect",
"random_1_to_limit",
"1.0MP",
"1.25MP",
"1.5MP",
"1.75MP",
"2.0MP",
"2.25MP",
"2.5MP",
"2.75MP",
"3.0MP",
"3.25MP",
"3.5MP",
"3.75MP",
"4.0MP",
"custom",
]
COMMON_INPUT_TOOLTIPS = {
"row_number": "Generation row to use. Changing it advances the deterministic selection without changing the main seed.",
@@ -236,6 +258,17 @@ NODE_INPUT_TOOLTIPS = {
"bucket_index": "0=random. 1+ selects that bucket position inside the selected orientation pool and ignores seed.",
"seed_config": "Optional seed config. The composition seed controls bucket choice, so Seed Locker can keep sizes fixed while rerolling pose/person.",
},
"SxCPKrea2ResolutionSelector": {
"profile": "api_hosted_1k returns official API fields; raw_local_1k and turbo_local_2k return explicit ComfyUI width/height under known local limits.",
"aspect_ratio": "Official Krea API ratios are listed first. custom uses custom_aspect_width/custom_aspect_height; random_api chooses from official ratios.",
"megapixel_preset": "Pick a target megapixel count, max_for_aspect, random_1_to_limit, or custom_megapixels.",
"round_to": "Krea2 local inference pads to multiples of 16; 32/64 are stricter bucket-friendly choices.",
"custom_max_long_edge": "Only used by custom_limit. Local Turbo documentation uses 2048 as the 2K upper edge.",
"custom_max_megapixels": "Only used by custom_limit. The selector still respects custom_max_long_edge.",
"seed": "Used only for random_api or random_1_to_limit. Connect Seed Config for deterministic workflow-wide randomness.",
"row_number": "Deterministic row offset for random ratio/megapixel choices.",
"seed_config": "Optional seed config. The composition seed controls resolution choices when connected.",
},
"SxCPCameraControl": {
"camera_mode": "Camera style preset. Use from_camera_config in Insta/OF options to consume this.",
"priority": "locked makes the camera wording strict; soft_hint allows the model more freedom.",
@@ -1001,6 +1034,294 @@ class SxCPSDXLBucketSize:
return width, height, resolution, selected_orientation, aspect, mp, selected_index, summary
class SxCPKrea2ResolutionSelector:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"profile": (
["turbo_local_2k", "raw_local_1k", "api_hosted_1k", "custom_limit"],
{"default": "turbo_local_2k"},
),
"aspect_ratio": (KREA2_ASPECT_RATIOS, {"default": "1:1"}),
"megapixel_preset": (KREA2_MEGAPIXEL_PRESETS, {"default": "1.0MP"}),
"custom_megapixels": ("FLOAT", {"default": 1.0, "min": 0.10, "max": 16.0, "step": 0.05}),
"round_to": (["16", "32", "64"], {"default": "16"}),
"custom_aspect_width": ("FLOAT", {"default": 1.0, "min": 0.10, "max": 100.0, "step": 0.05}),
"custom_aspect_height": ("FLOAT", {"default": 1.0, "min": 0.10, "max": 100.0, "step": 0.05}),
"custom_max_long_edge": ("INT", {"default": 2048, "min": 256, "max": 8192, "step": 16}),
"custom_max_megapixels": ("FLOAT", {"default": 4.20, "min": 0.10, "max": 64.0, "step": 0.05}),
"seed": ("INT", {"default": -1, "min": -1, "max": 0xFFFFFFFF, "step": 1}),
"row_number": ("INT", {"default": 1, "min": 1, "max": 1000000, "step": 1}),
},
"optional": {
"seed_config": (SXCP_SEED_CONFIG,),
},
}
RETURN_TYPES = ("INT", "INT", "STRING", "STRING", "STRING", "STRING", "FLOAT", "FLOAT", "STRING", "STRING", "STRING")
RETURN_NAMES = (
"width",
"height",
"resolution",
"aspect_ratio",
"api_aspect_ratio",
"api_resolution",
"megapixels",
"max_megapixels_for_aspect",
"orientation",
"summary",
"config_json",
)
FUNCTION = "select"
CATEGORY = "prompt_builder/util"
@staticmethod
def _configured_seed(seed_config):
return SxCPSDXLBucketSize._configured_bucket_seed(seed_config)
@staticmethod
def _aspect_value(aspect_ratio, custom_aspect_width, custom_aspect_height, rng):
selected = str(aspect_ratio or "1:1").strip()
if selected == "random_api":
selected = rng.choice(KREA2_API_ASPECT_RATIOS)
if selected == "custom":
width = max(0.1, float(custom_aspect_width))
height = max(0.1, float(custom_aspect_height))
return selected, width / height
try:
left, right = selected.split(":", 1)
return selected, max(0.01, float(left) / float(right))
except (TypeError, ValueError):
return "1:1", 1.0
@staticmethod
def _closest_api_aspect(ratio):
def parse(value):
left, right = value.split(":", 1)
return float(left) / float(right)
return min(KREA2_API_ASPECT_RATIOS, key=lambda item: abs(math.log(parse(item) / max(0.01, ratio))))
@staticmethod
def _continuous_limit_mp(ratio, max_long_edge, max_megapixels):
ratio = max(0.01, float(ratio))
max_long = max(16.0, float(max_long_edge))
if ratio >= 1.0:
exact_width = max_long
exact_height = max_long / ratio
else:
exact_width = max_long * ratio
exact_height = max_long
exact_mp = (exact_width * exact_height) / 1_000_000.0
return max(0.01, min(float(max_megapixels), exact_mp))
@staticmethod
def _nearby_multiples(value, multiple):
scaled = float(value) / float(multiple)
values = {
int(math.floor(scaled)) * multiple,
int(round(scaled)) * multiple,
int(math.ceil(scaled)) * multiple,
}
return {int(v) for v in values if int(v) > 0}
@classmethod
def _candidate_sizes(cls, ratio, max_long_edge, max_megapixels, multiple):
max_long = max(multiple, int(max_long_edge) // multiple * multiple)
max_pixels = float(max_megapixels) * 1_000_000.0
candidates = set()
for width in range(multiple, max_long + 1, multiple):
for height in cls._nearby_multiples(float(width) / ratio, multiple):
candidates.add((width, height))
for height in range(multiple, max_long + 1, multiple):
for width in cls._nearby_multiples(float(height) * ratio, multiple):
candidates.add((width, height))
valid = []
for width, height in candidates:
if width < multiple or height < multiple:
continue
if max(width, height) > max_long:
continue
if width * height > max_pixels + 1:
continue
valid.append((width, height))
return valid
@classmethod
def _best_size(cls, ratio, target_megapixels, max_long_edge, max_megapixels, multiple):
candidates = cls._candidate_sizes(ratio, max_long_edge, max_megapixels, multiple)
if not candidates:
fallback = max(multiple, int(max_long_edge) // multiple * multiple)
return fallback, fallback, (fallback * fallback) / 1_000_000.0, 1.0
target = max((multiple * multiple) / 1_000_000.0, float(target_megapixels))
best = None
best_score = None
for width, height in candidates:
actual_mp = (width * height) / 1_000_000.0
actual_ratio = float(width) / float(height)
ratio_error = abs(math.log(actual_ratio / max(0.01, ratio)))
mp_error = abs(actual_mp - target) / max(target, 0.01)
score = ratio_error * 4.0 + mp_error
if best_score is None or score < best_score:
best = (width, height, actual_mp, actual_ratio)
best_score = score
return best
@staticmethod
def _profile_limits(profile, custom_max_long_edge, custom_max_megapixels):
profile = str(profile or "turbo_local_2k").strip()
if profile == "raw_local_1k":
return 1024, 1.05, "Krea2 RAW local explicit size, up to 1K"
if profile == "api_hosted_1k":
return 1024, 1.05, "Krea hosted API fields, 1K only"
if profile == "custom_limit":
return max(256, int(custom_max_long_edge)), max(0.10, float(custom_max_megapixels)), "custom explicit size limit"
return 2048, 4.20, "Krea2 Turbo local explicit size, up to 2K"
@staticmethod
def _preset_megapixels(megapixel_preset):
value = str(megapixel_preset or "1.0MP").strip()
if value.endswith("MP"):
try:
return float(value[:-2])
except ValueError:
return 1.0
return None
@classmethod
def IS_CHANGED(cls, *args, **kwargs):
aspect_ratio = kwargs.get("aspect_ratio")
if aspect_ratio is None and len(args) > 1:
aspect_ratio = args[1]
megapixel_preset = kwargs.get("megapixel_preset")
if megapixel_preset is None and len(args) > 2:
megapixel_preset = args[2]
seed_value = kwargs.get("seed")
if seed_value is None and len(args) > 9:
seed_value = args[9]
seed_config = kwargs.get("seed_config", "")
if not seed_config and len(args) > 11:
seed_config = args[11]
try:
seed = int(seed_value)
except (TypeError, ValueError):
seed = -1
uses_random = str(aspect_ratio) == "random_api" or str(megapixel_preset) == "random_1_to_limit"
if uses_random and seed < 0 and cls._configured_seed(seed_config) is None:
return random.random()
return tuple(args), tuple(sorted(kwargs.items()))
def select(
self,
profile,
aspect_ratio,
megapixel_preset,
custom_megapixels,
round_to,
custom_aspect_width,
custom_aspect_height,
custom_max_long_edge,
custom_max_megapixels,
seed,
row_number,
seed_config="",
):
configured_seed = self._configured_seed(seed_config)
if configured_seed is None and int(seed) < 0:
rng = random.Random(random.getrandbits(64))
seed_label = "fresh"
else:
selected_seed = configured_seed if configured_seed is not None else int(seed)
rng = random.Random(f"krea2_resolution:{selected_seed}:{int(row_number)}")
seed_label = str(selected_seed)
multiple = int(round_to) if str(round_to).isdigit() else 16
max_long_edge, max_profile_mp, profile_label = self._profile_limits(profile, custom_max_long_edge, custom_max_megapixels)
resolved_aspect, ratio = self._aspect_value(aspect_ratio, custom_aspect_width, custom_aspect_height, rng)
api_aspect_ratio = resolved_aspect if resolved_aspect in KREA2_API_ASPECT_RATIOS else self._closest_api_aspect(ratio)
continuous_max_mp = self._continuous_limit_mp(ratio, max_long_edge, max_profile_mp)
max_width, max_height, max_actual_mp, max_actual_ratio = self._best_size(
ratio, continuous_max_mp, max_long_edge, max_profile_mp, multiple
)
preset = str(megapixel_preset or "1.0MP").strip()
target_mp = self._preset_megapixels(preset)
if preset == "custom":
target_mp = max(0.10, float(custom_megapixels))
elif preset == "max_for_aspect":
target_mp = max_actual_mp
elif preset == "random_1_to_limit":
available = [self._preset_megapixels(value) for value in KREA2_MEGAPIXEL_PRESETS if value.endswith("MP")]
available = [value for value in available if value is not None and 1.0 <= value <= max_actual_mp + 0.001]
if not available:
target_mp = max_actual_mp
else:
target_mp = rng.choice(available)
if target_mp is None:
target_mp = 1.0
clamped = target_mp > max_actual_mp + 0.001
effective_target_mp = min(float(target_mp), max_actual_mp)
width, height, actual_mp, actual_ratio = self._best_size(
ratio, effective_target_mp, max_long_edge, max_profile_mp, multiple
)
orientation = "square"
if width > height:
orientation = "landscape"
elif height > width:
orientation = "portrait"
resolution = f"{width}x{height}"
api_resolution = "1K"
summary_parts = [
f"{profile_label}",
f"{resolution}",
f"{actual_mp:.2f} MP",
f"aspect {resolved_aspect} ({actual_ratio:.3f})",
f"max for aspect {max_width}x{max_height} / {max_actual_mp:.2f} MP",
f"API {api_aspect_ratio} {api_resolution}",
]
if clamped:
summary_parts.append(f"target {target_mp:.2f} MP clamped to aspect/profile limit")
if preset.startswith("random") or resolved_aspect == "random_api":
summary_parts.append(f"seed {seed_label}, row {int(row_number)}")
summary = "; ".join(summary_parts)
config = {
"profile": profile,
"width": width,
"height": height,
"resolution": resolution,
"aspect_ratio": resolved_aspect,
"aspect_ratio_value": actual_ratio,
"target_megapixels": round(float(target_mp), 4),
"megapixels": round(actual_mp, 4),
"max_width_for_aspect": max_width,
"max_height_for_aspect": max_height,
"max_megapixels_for_aspect": round(max_actual_mp, 4),
"api_aspect_ratio": api_aspect_ratio,
"api_resolution": api_resolution,
"orientation": orientation,
"round_to": multiple,
"clamped": clamped,
}
return (
width,
height,
resolution,
resolved_aspect,
api_aspect_ratio,
api_resolution,
round(actual_mp, 4),
round(max_actual_mp, 4),
orientation,
summary,
json.dumps(config, ensure_ascii=True, sort_keys=True),
)
class SxCPCameraControl:
@classmethod
def INPUT_TYPES(cls):
@@ -2914,6 +3235,7 @@ NODE_CLASS_MAPPINGS = {
"SxCPSeedControl": SxCPSeedControl,
"SxCPSeedLocker": SxCPSeedLocker,
"SxCPSDXLBucketSize": SxCPSDXLBucketSize,
"SxCPKrea2ResolutionSelector": SxCPKrea2ResolutionSelector,
"SxCPCameraControl": SxCPCameraControl,
"SxCPCameraOrbitControl": SxCPCameraOrbitControl,
"SxCPQwenCameraTranslator": SxCPQwenCameraTranslator,
@@ -2959,6 +3281,7 @@ NODE_DISPLAY_NAME_MAPPINGS = {
"SxCPSeedControl": "SxCP Seed Control",
"SxCPSeedLocker": "SxCP Seed Locker",
"SxCPSDXLBucketSize": "SxCP SDXL Bucket Size",
"SxCPKrea2ResolutionSelector": "SxCP Krea2 Resolution Selector",
"SxCPCameraControl": "SxCP Camera Control",
"SxCPCameraOrbitControl": "SxCP Camera Orbit Control",
"SxCPQwenCameraTranslator": "SxCP Qwen Camera Translator",