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Update sprite_webtool.py

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Edward Chang
2026-04-22 18:15:19 +08:00
parent 592004b766
commit 2d18258fe3
1 changed files with 17 additions and 5 deletions
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22
sprite_webtool.py
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@@ -37,6 +37,10 @@ HTML = '''<!DOCTYPE html>
<span class="text-sm">WH:</span>
<input id="wh" type="number" value="96" class="w-full p-2 rounded bg-slate-700 text-white border border-slate-600">
</div>
<div class="flex items-center gap-2">
<span class="text-sm text-blue-300">Out WH:</span>
<input id="outWH" type="number" value="96" class="w-full p-2 rounded bg-slate-700 text-white border border-blue-900">
</div>
<div class="flex items-center gap-2">
<span class="text-sm">Cols:</span>
<input id="outCols" type="number" value="10" class="w-full p-2 rounded bg-slate-700 text-white border border-slate-600">
@@ -189,6 +193,7 @@ async function exportFile(){
const fd = new FormData();
fd.append('file', fileBlob);
fd.append('outCols', n('outCols'));
fd.append('outWH', n('outWH')); // 新增這一行
fd.append('name', document.getElementById('name').value);
fd.append('picks', JSON.stringify(picks));
@@ -222,6 +227,7 @@ def home():
async def export_picker(
file: UploadFile = File(...),
outCols: int = Form(...),
outWH: int = Form(...), # 新增參數
name: str = Form(...),
picks: str = Form(...)
):
@@ -232,31 +238,37 @@ async def export_picker(
if not pick_list:
return HTMLResponse('None', status_code=400)
tw, th = pick_list[0]['w'], pick_list[0]['h']
# 輸出尺寸現在統一使用使用者設定的 outWH
tw = th = outWH
base_name = os.path.splitext(name)[0]
# 計算總共可以組成幾張完整的圖片 (捨棄餘數)
num_picks = len(pick_list)
num_images = num_picks // outCols
if num_images == 0:
return HTMLResponse('選取數量不足以構成一列', status_code=400)
# 儲存產出的路徑清單
generated_files = []
for img_idx in range(num_images):
# 建立單張輸出圖 (高度固定為 1 row)
# 建立畫布，寬度為 (OutWH * Cols)，高度為 OutWH
out_img = Image.new('RGBA', (outCols * tw, th), (0, 0, 0, 0))
for col_idx in range(outCols):
p_idx = img_idx * outCols + col_idx
p = pick_list[p_idx]
box = (p['x'], p['y'], p['x'] + p['w'], p['y'] + p['h'])
# 1. 裁切原始大小
tile = img.crop(box)
# 2. 強制縮放至目標 OutWH
# 使用 Resampling.LANCZOS 保持像素品質，若要保留像素感可用 NEAREST
tile = tile.resize((tw, th), Image.Resampling.LANCZOS)
# 3. 貼上
out_img.paste(tile, (col_idx * tw, 0))
# 存檔
file_path = os.path.join(OUTPUT_DIR, f"{base_name}_{img_idx+1}.png")
out_img.save(file_path)
generated_files.append(file_path)