添加文档并修复问题

konabot/docs/user/卵总展示.txt

@@ -0,0 +1,20 @@
+指令介绍
+    卵总展示 - 让卵总举起你的图片
+
+格式
+    <引用图片> 卵总展示 [选项]
+    卵总展示 [选项] <图片>
+
+选项
+    `--whiteness <number>` 白度
+        将原图进行指数变换，以调整它的白的程度，默认为 0.0
+
+    `--black-level <number>` 黑色等级
+        将原图减淡，数值越大越淡，范围 0.0-1.0，默认 0.2
+
+    `--opacity <number>` 不透明度
+        将你的图片叠放在图片上的不透明度，默认为 0.8
+
+    `--saturation <number>` 饱和度
+        调整原图的饱和度，应该要大于 0.0，默认为 0.85
+

konabot/plugins/memepack/__init__.py

@@ -2,7 +2,7 @@ from io import BytesIO
 from typing import Iterable, cast
 
 from nonebot import on_message
-from nonebot_plugin_alconna import (Alconna, Args, Field, Image, MultiVar, Text,
+from nonebot_plugin_alconna import (Alconna, Args, Field, Image, MultiVar, Option, Text,
                                     UniMessage, UniMsg, on_alconna)
 
 from konabot.common.nb.extract_image import PIL_Image, extract_image_from_message
@@ -143,12 +143,19 @@ async def _(msg: UniMsg, evt: Event, bot: Bot):
 
 snaur_display_cmd = on_alconna(Alconna(
     "卵总展示",
+    Option("--whiteness",   Args["whiteness", float],   alias=["-w"]),
+    Option("--black-level", Args["black_level", float], alias=["-b"]),
+    Option("--opacity",     Args["opacity", float],     alias=["-o"]),
+    Option("--saturation",  Args["saturation", float],  alias=["-s"]),
     Args["image", Image | None],
 ))
 
 @snaur_display_cmd.handle()
-async def _(img: PIL_Image):
-    img_processed = await draw_snaur_display(img)
+async def _(img: PIL_Image, whiteness: float = 0.0, black_level: float = 0.2,
+            opacity: float = 0.8, saturation: float = 0.85):
+    img_processed = await draw_snaur_display(
+        img, whiteness, black_level, opacity, saturation, 
+    )
     img_data = BytesIO()
     img_processed.save(img_data, "PNG")
     await snaur_display_cmd.send(await UniMessage().image(raw=img_data).export())

konabot/plugins/memepack/drawing/display.py

@@ -57,8 +57,14 @@ async def draw_cao_display(image: PIL.Image.Image):
     return await asyncio.to_thread(_draw_cao_display, image)
 
 
-def _draw_snaur_display(image: PIL.Image.Image):
-    src = np.array(image.convert("RGB"))
+def _draw_snaur_display(
+    image      : PIL.Image.Image,
+    whiteness  : float = 0.0    ,
+    black_level: float = 0.2    ,
+    opacity    : float = 0.8    ,
+    saturation : float = 0.85   ,
+):
+    src = np.array(image.convert("RGBA"))
     _h, _w = src.shape[:2]
 
     if _w / _h < SNAUR_RATIO:
@@ -98,20 +104,38 @@ def _draw_snaur_display(image: PIL.Image.Image):
         borderValue=(0, 0, 0)
     )
 
-    result = PIL.Image.fromarray(warped, 'RGB').convert('RGBA')
-    result = PIL.ImageChops.multiply(result, snaur_image_base)
+    result = PIL.Image.fromarray(warped, 'RGBA')
 
     r, g, b, a = result.split()
-    a = a.point(lambda p: int(p * 0.8))
+    a = a.point(lambda p: int(p * opacity))
+    f2 = lambda p: int(
+        ((p / 255) ** (2 ** whiteness)) * 255 * (1 - black_level)
+            + 255 * black_level
+    )
+    r = r.point(f2)
+    g = g.point(f2)
+    b = b.point(f2)
     result = PIL.Image.merge('RGBA', (r, g, b, a))
 
     enhancer = PIL.ImageEnhance.Color(result)
-    result = enhancer.enhance(0.85)
+    result = enhancer.enhance(saturation)
 
+    result = PIL.ImageChops.multiply(result, snaur_image_base)
+
+    result = PIL.Image.alpha_composite(snaur_image_base, result)
     result = PIL.Image.alpha_composite(result, snaur_image_top)
     return result
 
 
-async def draw_snaur_display(image: PIL.Image.Image) -> PIL.Image.Image:
-    return await asyncio.to_thread(_draw_snaur_display, image)
+async def draw_snaur_display(
+    image      : PIL.Image.Image,
+    whiteness  : float = 0.0    ,
+    black_level: float = 0.2    ,
+    opacity    : float = 0.8    ,
+    saturation : float = 0.85   ,
+) -> PIL.Image.Image:
+    return await asyncio.to_thread(
+        _draw_snaur_display, image, whiteness, black_level,
+        opacity, saturation,
+    )