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| author | AUTOMATIC1111 <16777216c@gmail.com> | 2023-12-16 09:58:07 +0300 |
|---|---|---|
| committer | AUTOMATIC1111 <16777216c@gmail.com> | 2023-12-16 09:58:07 +0300 |
| commit | cf2772fab0af5573da775e7437e6acdca424f26e (patch) | |
| tree | 2ad13a0cf77bc189a8c9097bd507f9674f993da6 /scripts/processing_autosized_crop.py | |
| parent | 4afaaf8a020c1df457bcf7250cb1c7f609699fa7 (diff) | |
| parent | 0dfffe53ec11b2ee097d55efc479f8e707015db9 (diff) | |
Merge branch 'release_candidate'
Diffstat (limited to 'scripts/processing_autosized_crop.py')
| -rw-r--r-- | scripts/processing_autosized_crop.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/scripts/processing_autosized_crop.py b/scripts/processing_autosized_crop.py new file mode 100644 index 00000000..c0980226 --- /dev/null +++ b/scripts/processing_autosized_crop.py @@ -0,0 +1,64 @@ +from PIL import Image
+
+from modules import scripts_postprocessing, ui_components
+import gradio as gr
+
+
+def center_crop(image: Image, w: int, h: int):
+ iw, ih = image.size
+ if ih / h < iw / w:
+ sw = w * ih / h
+ box = (iw - sw) / 2, 0, iw - (iw - sw) / 2, ih
+ else:
+ sh = h * iw / w
+ box = 0, (ih - sh) / 2, iw, ih - (ih - sh) / 2
+ return image.resize((w, h), Image.Resampling.LANCZOS, box)
+
+
+def multicrop_pic(image: Image, mindim, maxdim, minarea, maxarea, objective, threshold):
+ iw, ih = image.size
+ err = lambda w, h: 1 - (lambda x: x if x < 1 else 1 / x)(iw / ih / (w / h))
+ wh = max(((w, h) for w in range(mindim, maxdim + 1, 64) for h in range(mindim, maxdim + 1, 64)
+ if minarea <= w * h <= maxarea and err(w, h) <= threshold),
+ key=lambda wh: (wh[0] * wh[1], -err(*wh))[::1 if objective == 'Maximize area' else -1],
+ default=None
+ )
+ return wh and center_crop(image, *wh)
+
+
+class ScriptPostprocessingAutosizedCrop(scripts_postprocessing.ScriptPostprocessing):
+ name = "Auto-sized crop"
+ order = 4000
+
+ def ui(self):
+ with ui_components.InputAccordion(False, label="Auto-sized crop") as enable:
+ gr.Markdown('Each image is center-cropped with an automatically chosen width and height.')
+ with gr.Row():
+ mindim = gr.Slider(minimum=64, maximum=2048, step=8, label="Dimension lower bound", value=384, elem_id="postprocess_multicrop_mindim")
+ maxdim = gr.Slider(minimum=64, maximum=2048, step=8, label="Dimension upper bound", value=768, elem_id="postprocess_multicrop_maxdim")
+ with gr.Row():
+ minarea = gr.Slider(minimum=64 * 64, maximum=2048 * 2048, step=1, label="Area lower bound", value=64 * 64, elem_id="postprocess_multicrop_minarea")
+ maxarea = gr.Slider(minimum=64 * 64, maximum=2048 * 2048, step=1, label="Area upper bound", value=640 * 640, elem_id="postprocess_multicrop_maxarea")
+ with gr.Row():
+ objective = gr.Radio(["Maximize area", "Minimize error"], value="Maximize area", label="Resizing objective", elem_id="postprocess_multicrop_objective")
+ threshold = gr.Slider(minimum=0, maximum=1, step=0.01, label="Error threshold", value=0.1, elem_id="postprocess_multicrop_threshold")
+
+ return {
+ "enable": enable,
+ "mindim": mindim,
+ "maxdim": maxdim,
+ "minarea": minarea,
+ "maxarea": maxarea,
+ "objective": objective,
+ "threshold": threshold,
+ }
+
+ def process(self, pp: scripts_postprocessing.PostprocessedImage, enable, mindim, maxdim, minarea, maxarea, objective, threshold):
+ if not enable:
+ return
+
+ cropped = multicrop_pic(pp.image, mindim, maxdim, minarea, maxarea, objective, threshold)
+ if cropped is not None:
+ pp.image = cropped
+ else:
+ print(f"skipped {pp.image.width}x{pp.image.height} image (can't find suitable size within error threshold)")
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