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import math |
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from modules import scripts_postprocessing, ui_components |
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import gradio as gr |
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def split_pic(image, inverse_xy, width, height, overlap_ratio): |
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if inverse_xy: |
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from_w, from_h = image.height, image.width |
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to_w, to_h = height, width |
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else: |
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from_w, from_h = image.width, image.height |
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to_w, to_h = width, height |
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h = from_h * to_w // from_w |
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if inverse_xy: |
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image = image.resize((h, to_w)) |
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else: |
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image = image.resize((to_w, h)) |
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split_count = math.ceil((h - to_h * overlap_ratio) / (to_h * (1.0 - overlap_ratio))) |
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y_step = (h - to_h) / (split_count - 1) |
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for i in range(split_count): |
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y = int(y_step * i) |
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if inverse_xy: |
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splitted = image.crop((y, 0, y + to_h, to_w)) |
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else: |
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splitted = image.crop((0, y, to_w, y + to_h)) |
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yield splitted |
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class ScriptPostprocessingSplitOversized(scripts_postprocessing.ScriptPostprocessing): |
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name = "Split oversized images" |
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order = 4000 |
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def ui(self): |
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with ui_components.InputAccordion(False, label="Split oversized images") as enable: |
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with gr.Row(): |
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split_threshold = gr.Slider(label='Threshold', value=0.5, minimum=0.0, maximum=1.0, step=0.05, elem_id="postprocess_split_threshold") |
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overlap_ratio = gr.Slider(label='Overlap ratio', value=0.2, minimum=0.0, maximum=0.9, step=0.05, elem_id="postprocess_overlap_ratio") |
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return { |
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"enable": enable, |
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"split_threshold": split_threshold, |
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"overlap_ratio": overlap_ratio, |
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} |
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def process(self, pp: scripts_postprocessing.PostprocessedImage, enable, split_threshold, overlap_ratio): |
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if not enable: |
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return |
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width = pp.shared.target_width |
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height = pp.shared.target_height |
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if not width or not height: |
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return |
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if pp.image.height > pp.image.width: |
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ratio = (pp.image.width * height) / (pp.image.height * width) |
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inverse_xy = False |
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else: |
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ratio = (pp.image.height * width) / (pp.image.width * height) |
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inverse_xy = True |
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if ratio >= 1.0 and ratio > split_threshold: |
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return |
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result, *others = split_pic(pp.image, inverse_xy, width, height, overlap_ratio) |
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pp.image = result |
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pp.extra_images = [pp.create_copy(x) for x in others] |
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