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Upload app.py
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app.py
CHANGED
@@ -3,6 +3,8 @@ import numpy as np
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from PIL import Image
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import io
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import base64
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def calculate_crop_box(image, target_ratio=1170/391):
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"""
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@@ -30,7 +32,7 @@ def calculate_crop_box(image, target_ratio=1170/391):
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def process_image(image, crop_data=None):
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"""
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-
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"""
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if image is None:
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return None, "請上傳圖片"
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@@ -49,7 +51,21 @@ def process_image(image, crop_data=None):
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target_size = (1170, 391)
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final_image = processed_image.resize(target_size, Image.Resampling.LANCZOS)
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def auto_crop_preview(image):
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"""
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@@ -71,6 +87,28 @@ def auto_crop_preview(image):
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return preview, f"建議裁切區域:{crop_box}"
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# 創建 Gradio 界面
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with gr.Blocks(title="圖片裁切工具", theme=gr.themes.Soft()) as demo:
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gr.Markdown("# 🖼️ 圖片裁切工具")
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@@ -78,24 +116,46 @@ with gr.Blocks(title="圖片裁切工具", theme=gr.themes.Soft()) as demo:
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with gr.Row():
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with gr.Column(scale=1):
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#
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input_image = gr.Image(
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label="
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type="pil",
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height=400
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)
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# 按鈕區域
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with gr.Row():
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preview_btn = gr.Button("🔍
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process_btn = gr.Button("✂️ 裁切並處理", variant="primary")
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with gr.Column(scale=1):
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# 輸出區域
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output_image = gr.Image(
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label="處理後圖片",
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type="
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height=400
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)
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# 狀態信息
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@@ -142,18 +202,20 @@ with gr.Blocks(title="圖片裁切工具", theme=gr.themes.Soft()) as demo:
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gr.Markdown("""
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### 如何使用:
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1. **上傳圖片**:點擊上傳區域選擇您的圖片
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2.
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3.
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4.
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5.
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### 功能特色:
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- ✨ 自動計算最佳裁切比例
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- 🎯
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- 📏 保持 1170:391 的精確比例
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- 🖼️
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- 💾
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""")
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# 事件綁定
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preview_btn.click(
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@@ -165,9 +227,37 @@ with gr.Blocks(title="圖片裁切工具", theme=gr.themes.Soft()) as demo:
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outputs=[preview_image]
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)
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process_btn.click(
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fn=
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inputs=[input_image],
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outputs=[output_image, status_text]
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)
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from PIL import Image
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import io
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import base64
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import tempfile
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import os
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def calculate_crop_box(image, target_ratio=1170/391):
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"""
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def process_image(image, crop_data=None):
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"""
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處理圖片:裁切並調整為目標尺寸,並保存為 JPG 格式
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"""
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if image is None:
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return None, "請上傳圖片"
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target_size = (1170, 391)
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final_image = processed_image.resize(target_size, Image.Resampling.LANCZOS)
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# 轉換為 RGB 模式以確保 JPG 格式輸出
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if final_image.mode in ('RGBA', 'LA', 'P'):
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# 創建白色背景
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rgb_image = Image.new('RGB', final_image.size, (255, 255, 255))
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if final_image.mode == 'P':
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final_image = final_image.convert('RGBA')
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rgb_image.paste(final_image, mask=final_image.split()[-1] if final_image.mode == 'RGBA' else None)
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final_image = rgb_image
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# 保存為 JPG 格式的臨時檔案
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temp_file = tempfile.NamedTemporaryFile(delete=False, suffix='.jpg')
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final_image.save(temp_file.name, format='JPEG', quality=95, optimize=True)
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temp_file.close()
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return temp_file.name, f"圖片已處理完成!尺寸:{final_image.size},格式:JPG"
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def auto_crop_preview(image):
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"""
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return preview, f"建議裁切區域:{crop_box}"
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def manual_crop_image(image, crop_coords):
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"""
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手動裁切圖片
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"""
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if image is None:
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return None, "請上傳圖片"
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if crop_coords is None:
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return auto_crop_preview(image)
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# 解析裁切座標
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x, y, width, height = crop_coords
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# 執行裁切
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cropped = image.crop((x, y, x + width, y + height))
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# 調整為目標尺寸
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target_size = (1170, 391)
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final_image = cropped.resize(target_size, Image.Resampling.LANCZOS)
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return final_image, f"手動裁切完成!裁切區域:({x}, {y}, {width}, {height})"
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# 創建 Gradio 界面
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with gr.Blocks(title="圖片裁切工具", theme=gr.themes.Soft()) as demo:
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gr.Markdown("# 🖼️ 圖片裁切工具")
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with gr.Row():
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with gr.Column(scale=1):
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# 圖片上傳區域(支援裁切編輯)
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input_image = gr.Image(
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label="上傳圖片(可直接在圖片上拖拽選擇裁切區域)",
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type="pil",
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height=400,
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crop_size="1170:391",
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interactive=True
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)
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# 手動裁切圖片區域
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crop_image = gr.Image(
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label="手動裁切區域(拖拽選擇後點擊下方按鈕)",
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type="pil",
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height=400,
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tool="select",
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interactive=True,
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visible=False
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)
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# 按鈕區域
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with gr.Row():
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preview_btn = gr.Button("🔍 預覽建議區域", variant="secondary")
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edit_btn = gr.Button("✏️ 手動編輯", variant="secondary")
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process_btn = gr.Button("✂️ 裁切並處理", variant="primary")
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reset_btn = gr.Button("🔄 重置", variant="secondary")
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with gr.Column(scale=1):
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# 輸出區域
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output_image = gr.Image(
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label="處理後圖片 (JPG格式)",
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type="filepath",
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height=400,
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interactive=False
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)
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# 下載按鈕
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download_btn = gr.DownloadButton(
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label="📥 下載 JPG 圖片",
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variant="primary",
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visible=False
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)
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# 狀態信息
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gr.Markdown("""
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### 如何使用:
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1. **上傳圖片**:點擊上傳區域選擇您的圖片
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2. **自動裁切**:點擊��預覽建議區域」查看系統建議的裁切區域
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3. **手動裁切**:點擊「手動編輯」後在圖片上拖拽選擇想要的區域
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4. **處理圖片**:點擊「裁切並處理」生成 JPG 格式的最終圖片
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5. **下載結果**:點擊「下載 JPG 圖片」按鈕下載處理後的圖片
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### 功能特色:
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- ✨ 自動計算最佳裁切比例
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- 🎯 支援手動拖拽選擇裁切區域
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- 📏 保持 1170:391 的精確比例
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- 🖼️ 輸出高品質 JPG 格式圖片
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- 💾 簡單的一鍵下載功能
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- 🔄 重置功能方便重新開始
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""")
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# 事件綁定
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preview_btn.click(
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outputs=[preview_image]
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)
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edit_btn.click(
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fn=lambda img: (gr.update(visible=True, value=img), gr.update(visible=False)),
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inputs=[input_image],
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outputs=[crop_image, input_image]
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)
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reset_btn.click(
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fn=lambda: (gr.update(visible=True, value=None), gr.update(visible=False, value=None), gr.update(visible=False), None, "請上傳圖片"),
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outputs=[input_image, crop_image, preview_image, output_image, status_text]
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)
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def process_and_download(image):
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if image is None:
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return None, "請上傳圖片", gr.update(visible=False)
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result_path, status = process_image(image)
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if result_path:
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return result_path, status, gr.update(visible=True, value=result_path)
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else:
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return None, status, gr.update(visible=False)
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process_btn.click(
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fn=process_and_download,
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inputs=[input_image],
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outputs=[output_image, status_text, download_btn]
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)
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# 裁切圖片處理
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crop_image.select(
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fn=manual_crop_image,
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inputs=[crop_image, crop_image.select],
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outputs=[output_image, status_text]
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)
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