"""
水印处理兼容入口（实现已迁至 ocr_utils.watermark 包）。

新代码请优先使用::

    from ocr_utils.watermark import WatermarkProcessor, detect_watermark, ...

本模块保留与历史 import 路径的兼容。
"""
from ocr_utils.watermark.algorithms import (
    build_watermark_mask,
    detect_watermark,
    remove_watermark_masked_adaptive,
    render_ratio_heatmap,
    save_watermark_mask_debug_layers,
)
from ocr_utils.watermark.contrast import (
    apply_contrast_enhancement_config,
    enhance_document_contrast,
)
from ocr_utils.watermark.debug import save_watermark_removal_debug
from ocr_utils.watermark.pdf import (
    remove_txt_pdf_watermark,
    scan_pdf_watermark_xobjs,
)
from ocr_utils.watermark.removal import (
    remove_watermark_from_image,
    remove_watermark_from_image_rgb,
    render_watermark_mask_overlay,
)

__all__ = [
    "apply_contrast_enhancement_config",
    "build_watermark_mask",
    "detect_watermark",
    "enhance_document_contrast",
    "remove_txt_pdf_watermark",
    "remove_watermark_from_image",
    "remove_watermark_from_image_rgb",
    "remove_watermark_masked_adaptive",
    "render_ratio_heatmap",
    "render_watermark_mask_overlay",
    "save_watermark_mask_debug_layers",
    "save_watermark_removal_debug",
    "scan_pdf_watermark_xobjs",
]