添加 Shadertool（谁需要？？？？？？）

konabot/plugins/sksl/__init__.py

@@ -0,0 +1,41 @@
+from nonebot_plugin_alconna import Alconna, Args, Option, UniMessage, on_alconna
+
+from konabot.common.nb.exc import BotExceptionMessage
+from konabot.plugins.sksl.run_sksl import render_sksl_shader_to_gif
+
+
+cmd_run_sksl = on_alconna(Alconna(
+    "shadertool",
+    Option("--width", Args["width_", int]),
+    Option("--height", Args["height_", int]),
+    Option("--duration", Args["duration_", float]),
+    Option("--fps", Args["fps_", float]),
+    Args["code", str],
+))
+
+@cmd_run_sksl.handle()
+async def _(
+    code: str,
+    width_: int = 320,
+    height_: int = 180,
+    duration_: float = 1.0,
+    fps_: float = 15.0,
+):
+    if width_ <= 0 or height_ <= 0:
+        raise BotExceptionMessage("长宽应该大于 0")
+    if duration_ <= 0:
+        raise BotExceptionMessage("渲染时长应该大于 0")
+    if fps_ <= 0:
+        raise BotExceptionMessage("渲染帧率应该大于 0")
+    if fps_ * duration_ < 1:
+        raise BotExceptionMessage("时长太短或帧率太小，没有帧被渲染")
+    if fps_ * duration_ > 100:
+        raise BotExceptionMessage("太多帧啦！试着缩短一点时间吧！")
+
+    code = code.strip("\"").strip("'")
+
+    try:
+        res = await render_sksl_shader_to_gif(code, width_, height_, duration_, fps_)
+        await cmd_run_sksl.send(await UniMessage().image(raw=res).export())
+    except (ValueError, RuntimeError) as e:
+        await cmd_run_sksl.send(await UniMessage().text(f"渲染时遇到了问题：\n\n{e}").export())