调整 giftool

konabot/plugins/image_process/__init__.py

@@ -141,17 +141,47 @@ async def _(
     output_img = BytesIO()
 
     adjusted_durations = [
-        max(10, int(dur / speed_factor)) for dur in selected_durations
+        dur / speed_factor for dur in selected_durations
     ]
 
-    if selected_frames:
-        selected_frames[0].save(
+    rframes = []
+    rdur = []
+
+    acc_mod_20 = 0
+
+    for i in range(len(selected_frames)):
+        fr = selected_frames[i]
+        du: float = adjusted_durations[i]
+
+        if du >= 20:
+            rframes.append(fr)
+            rdur.append(int(du))
+            acc_mod_20 = 0
+        else:
+            if acc_mod_20 == 0:
+                rframes.append(fr)
+                rdur.append(20)
+                acc_mod_20 += du
+            else:
+                acc_mod_20 += du
+                if acc_mod_20 >= 20:
+                    acc_mod_20 = 0
+
+    if len(rframes) == 1 and len(selected_frames) > 1:
+        rframes.append(selected_frames[max(2, len(selected_frames) // 2)])
+        rdur.append(20)
+
+    if rframes:
+        rframes[0].save(
             output_img,
             format="GIF",
             save_all=True,
-            append_images=selected_frames[1:],
-            duration=adjusted_durations,
+            append_images=rframes[1:],
+            duration=rdur,
             loop=0,
+            optimize=False,
+            disposal=2,
+            transparency=0,
         )
     else:
         raise BotExceptionMessage("错误：没有可输出的帧")