基线:全量源码首提(D1 版本控制落地,含第一轮优化 B1-B4/A1/A4/缩放修复)

2026-10-01 22:15:22 +08:00
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+/*
+ * pdfbt:PDF 扒图报价工具(由 cadbt 改造,CAD 查看器 → PDF 查看 + 框选 OCR)
+ */
+using System;
+using System.Windows.Forms;
+
+namespace pdfbt
+{
+    internal sealed class Program
+    {
+        [STAThread]
+        private static int Main(string[] args)
+        {
+            // 自检模式:pdfbt.exe --selftest <pdf路径> [输出目录]
+            if (args != null && args.Length >= 2 && args[0] == "--selftest")
+            {
+                return SelfTest.Run(args);
+            }
+
+            // 单实例保护:重复启动时激活已有实例并退出
+            bool createdNew;
+            using (var mutex = new System.Threading.Mutex(true, "pdfbt_SingleInstance", out createdNew))
+            {
+                if (!createdNew)
+                {
+                    MessageBox.Show("pdfbt 已在运行中。", "pdfbt",
+                        MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    return 0;
+                }
+                Application.EnableVisualStyles();
+                Application.SetCompatibleTextRenderingDefault(false);
+                Application.Run(new MainForm());
+                GC.KeepAlive(mutex);
+            }
+            return 0;
+        }
+    }
+}