feat: 预设素材库 - 4 套主题 × 4 张图 = 16 张 PNG
主题:classical 古典宫廷(王子/皇后/国王/小丑)
modern 现代人物(小孩/女青年/男青年/小丑鱼)
astronomy 天文(星星/月亮/太阳/黑洞)
minimal 简笔符号(圆点/♀/♂/叉)
改动:
- 新增 LibraryAsset 模型(全局素材库,theme_id/role/asset_id 索引)
- 新增 seed_library 管理命令,用 Pillow 画 16 张 PNG 素材
- 新增 /api/projects/library/ 列表 API
- 新增 /api/projects/{pid}/library/{id}/apply/ 应用 API
把预设素材复制到 projects/<pid>/joker 或 face_card 下,作为该牌位的素材
- AssetPanel 加 tab 切换:「我的素材」+「预设主题」,主题可筛选、点击套用到当前牌
- 修复 generate_card_png 的 joker asset 匹配 bug:which 应该是 card_key(含前缀)才能匹配 asset_key
设计要点:
- 预设素材只画上半身(y=0~150),下半留空,让系统的'自动对称'流水线正确工作
- 预设素材 PNG 200×300,深色描边 + 半透明浅色填充,在任意牌面背景上叠加都清晰
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@@ -104,3 +104,28 @@ class CardLayer(models.Model):
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class Meta:
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ordering = ['card_key', 'z_index']
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class LibraryAsset(models.Model):
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"""预设素材库(与 Project 无关,全局共享)
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主题分类:classical/modern/astronomy/minimal ...
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角色:J / Q / K / joker
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"""
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id = models.BigAutoField(primary_key=True)
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theme_id = models.CharField(max_length=50, db_index=True) # classical / modern ...
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theme_name = models.CharField(max_length=100) # 古典宫廷 / 现代人物 ...
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role = models.CharField(max_length=10, db_index=True) # 'J' / 'Q' / 'K' / 'joker'
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role_name = models.CharField(max_length=50) # '王子' / '皇后' ...
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asset_id = models.CharField(max_length=50) # 'prince' / 'queen' ...
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label = models.CharField(max_length=100) # '古典·王子'
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description = models.CharField(max_length=255, blank=True)
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file_path = models.CharField(max_length=255) # library/classical/prince.svg
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file_name = models.CharField(max_length=100)
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created_at = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return f'{self.theme_name}/{self.role_name}'
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class Meta:
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ordering = ['theme_id', 'role', 'asset_id']
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unique_together = [['theme_id', 'asset_id']]
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