提交当前本机整理版本

2026-07-02 10:11:39 +00:00
parent c10a5d64c7
commit aacefa24f8
822 changed files with 196665 additions and 14263 deletions
@@ -575,4 +575,40 @@ public static class LabPicUrlPreview
                // 为避免对流的依赖，先 Image.FromStream，再复制
                using (Image img = Image.FromStream(ms))
                {
-                    return new B
+                    return new Bitmap(img);
+                }
+            }
+        }
+
+        private static Image ScaleBitmap(Bitmap src, int targetHeight)
+        {
+            int h = targetHeight <= 0 ? 30 : targetHeight;
+            if (h < 18) h = 18;
+            double ratio = (double)h / (double)src.Height;
+            int w = (int)Math.Round((double)src.Width * ratio);
+            if (w < 1) w = 1;
+            return new Bitmap(src, new Size(w, h));
+        }
+
+        private static Image CopyBitmap(Bitmap src)
+        {
+            return new Bitmap(src);
+        }
+
+        private static void BeginInvokeSafe(System.Windows.Forms.Control c, Action action)
+        {
+            if (action == null) return;
+            try
+            {
+                if (c != null && !c.IsDisposed)
+                    c.BeginInvoke(action);
+                else
+                    action();
+            }
+            catch
+            {
+                try { action(); } catch { }
+            }
+        }
+    }
+}