namespace ConsoleApp1
{class Program{static void Main(){            string pc3Path = @"D:\桌面\DWG To PDF.pc3"; //cad2008的东西 Pc3PmpDecompress(pc3Path, pc3Path + ".txt"); //解压
        }/// <summary>/// 解压pc3和pmp打印机文件/// </summary>/// <param name="pc3OrPmpPath">打印机路径</param>/// <param name="txtPathOut">输出txt路径</param>public static void Pc3PmpDecompress(string pc3OrPmpPath, string txtPathOut){using (FileStream fs = File.Open(pc3OrPmpPath, FileMode.Open, FileAccess.ReadWrite)){//版本信息int ver1 = 48;{byte[] buffer = new byte[ver1];fs.Read(buffer, 0, ver1);string str = Encoding.Default.GetString(buffer);Console.Write(Environment.NewLine + "版本信息:" + Environment.NewLine + str);}//12字节=3个int，第一个记录 "校验和" "adler"方式int ver2 = 4;{//"校验和"读取byte[] checkSum = new byte[ver2];fs.Read(checkSum, 0, ver2);//转为16进制再读var ss = new List<string>();for (int index = 0; index < checkSum.Length; index++){var shiliu = ((int)checkSum[index]).ToString("X2");ss.Add(shiliu);}Console.Write(Environment.NewLine + "压缩校验和:" + Environment.NewLine + string.Join(" ", ss.ToArray()));}int ver3 = 8;{//第二个是原始数据的字节数//第三个是压缩后的字节数BinaryReader br = new BinaryReader(fs);var ss = new int[2];for (int i = 0; i < 2; i++){ss[i] = br.ReadInt32();}Console.Write(Environment.NewLine + "压缩前的字节数:" + Environment.NewLine + ss[0].ToString());Console.Write(Environment.NewLine + "压缩后的字节数:" + Environment.NewLine + ss[1].ToString());}int ver4 = ver1 + ver2 + ver3; //前面头信息不能解压fs.Seek(ver4, SeekOrigin.Begin);//从新设置开始的位置,但是不设置也会自动读到这里using (ZlibStream zs = new ZlibStream(fs, CompressionMode.Decompress))//zip流,解压
                {using (StreamReader sr = new StreamReader(zs, Encoding.Default))//流读取器 乱码原因
                    {string str = sr.ReadToEnd(); //读到结束  using (FileStream fs_out = File.Open(txtPathOut, FileMode.Create, FileAccess.ReadWrite))//新建文本
                        {byte[] bys = Encoding.Default.GetBytes(str);var lenhth = Encoding.Default.GetBytes(str).Length;fs_out.Write(bys, 0, lenhth);//写入读取的信息
                        }Console.Write(Environment.NewLine + "压缩包内容:" + Environment.NewLine + str);}zs.Dispose();}fs.Dispose();}Console.ReadKey();}}
}

meta 元数据{user_defined_model_pathname 用户定义的模型路径="F:\K01.惊惊盒子\04.工作小工具\2019dwgToPdf打印机\DWG To PDF.pmpuser_defined_model_basename 用户定义的模型基名="
 driver_pathname 驱动程序路径名="C:\Program Files (x86)\AutoCAD 2008\drv\gdiplot9.hdidriver_version 驱动程序版本="1.1-9.1.51.0driver_tag_line 驱动标记线 ="Windows 系统驱动程序 - 由 Autodesk 提供toolkit_version 工具工具包版本=1driver_type 驱动程序类型=1canonical_family_name 简洁表达的家庭名称="Systemshow_custom_first 先显示自定义=TRUEtruetype_as_text 类型是文本=TRUEcanonical_model_name 规范模型名称="Systemlocalized_family_name 本地化的家庭名称="系统localized_model_name 局部模型名称="系统file_only 只有文件=FALSEmodel_abilities 模型能力="555555555055udm_description UDM描述="
 win_device_name 视窗系统设备名称="pdfFactory Prowin_driver_name 视窗系统设备名称= "pdfFactory 6short_net_name 短网名="pdfFactory Profriendly_net_name 友好的网络名称="FPP6:dm_driver_version dm_驱动程序版本=1555default_system_cfg 默认系统配置=FALSEplatform 平台="2,6,1locale 现场="4B00409
}
mod{media 媒体{abilities 能力="100004455400144444000005005005000400000000000005000caps_state caps状态="00000ui_owner 拥有人="22212222121111212112221size_max_x 纸张最大的规格的x=914.40002441 (    0#.3C$ &E@)size_max_y 纸张最大的规格的y=1219.2000732 (    X,P,DT 5'@)
  description 描述{0{caps_type=1name 名称="ISO_A4_Portrait_210.00W_x_297.00H_-_(5,_17)_x_(205,_280)_=52600_MMmedia_bounds_urx 媒体边界x=210.0media_bounds_ury 媒体边界y=297.0printable_bounds_llx 可打印长边边界x=0.0printable_bounds_lly 可打印长边边界y=0.0printable_bounds_urx 可打印短边边界x=210.0printable_bounds_ury 可打印短边边界y=297.0printable_area 可打印面积=62370.0dimensional 尺寸=TRUE}//其他的都是每个纸张的信息1{caps_type=1name="ISO_A4_Landscape_297.00W_x_210.00H_-_(5,_17)_x_(292,_193)_=50512_MMmedia_bounds_urx=297.0media_bounds_ury=210.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=297.0printable_bounds_ury=210.0printable_area=62370.0dimensional=TRUE}2{caps_type=1name="ISO_A3_Portrait_297.00W_x_420.00H_-_(5,_17)_x_(292,_403)_=110782_MMmedia_bounds_urx=297.0media_bounds_ury=420.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=297.0printable_bounds_ury=420.0printable_area=124740.0dimensional=TRUE}3{caps_type=1name="ISO_A3_Landscape_420.00W_x_297.00H_-_(5,_17)_x_(415,_280)_=107830_MMmedia_bounds_urx=420.0media_bounds_ury=297.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=420.0printable_bounds_ury=297.0printable_area=124740.0dimensional=TRUE}4{caps_type=1name="ISO_A2_Portrait_420.00W_x_594.00H_-_(5,_17)_x_(415,_577)_=229600_MMmedia_bounds_urx=420.0media_bounds_ury=594.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=420.0printable_bounds_ury=594.0printable_area=249480.00000 (     $!T#D$:G )dimensional=TRUE}5{caps_type=1name="ISO_A2_Landscape_594.00W_x_420.00H_-_(5,_17)_x_(589,_403)_=225424_MMmedia_bounds_urx=594.0media_bounds_ury=420.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=594.0printable_bounds_ury=420.0printable_area=249480.00000 (     $!T#D$:G )dimensional=TRUE}6{caps_type=1name="ISO_A1_Portrait_594.00W_x_841.00H_-_(5,_17)_x_(589,_824)_=471288_MMmedia_bounds_urx=594.0media_bounds_ury=841.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=594.0printable_bounds_ury=841.0printable_area=499554.00000 (     (A]'D&X?P)dimensional=TRUE}7{caps_type=1name="ISO_A1_Landscape_841.00W_x_594.00H_-_(5,_17)_x_(836,_577)_=465360_MMmedia_bounds_urx=841.0media_bounds_ury=594.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=841.0printable_bounds_ury=594.0printable_area=499554.00000 (     (A]'D&X?P)dimensional=TRUE}8{caps_type=1name="ISO_expand_A1_Portrait_594.00W_x_841.00H_-_(5,_10)_x_(589,_831)_=479464_MMmedia_bounds_urx=594.0media_bounds_ury=841.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=594.0printable_bounds_ury=841.0printable_area=499554.00000 (     (A]'D&X?P)dimensional=TRUE}9{caps_type=1name="ISO_expand_A1_Landscape_841.00W_x_594.00H_-_(5,_10)_x_(836,_584)_=476994_MMmedia_bounds_urx=841.0media_bounds_ury=594.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=841.0printable_bounds_ury=594.0printable_area=499554.00000 (     (A]'D&X?P)dimensional=TRUE}10{caps_type=1name="ISO_A0_Portrait_841.00W_x_1189.00H_-_(5,_17)_x_(836,_1172)_=959805_MMmedia_bounds_urx=841.0media_bounds_ury=1189.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=841.0printable_bounds_ury=1189.0printable_area=999949.00000 (     !J$+D$QEP)dimensional=TRUE}11{caps_type=1name="ISO_expand_A0_Portrait_841.00W_x_1189.00H_-_(5,_10)_x_(836,_1179)_=971439_MMmedia_bounds_urx=841.0media_bounds_ury=1189.0printable_bounds_llx=0.0printable_bounds_lly=0.0printable_bounds_urx=841.0printable_bounds_ury=1189.0printable_area=999949.00000 (     !J$+D$QEP)dimensional=TRUE}}}
}
del 删除{media 美体{abilities 能力="100004455400144444000005005005000400000000000005000caps_state ="00000ui_owner 拥有人="22212222121111212112221size_max_x =914.40002441 (    0#.3C$ &E@)size_max_y=1219.2000732 (    X,P,DT 5'@)
 }
}
udm{calibration{_x=1.0_y=1.0}media{abilities="100004455400144444000005005005000400000000000005000caps_state="00000ui_owner="22212222121111212112221size_max_x=914.40002441 (    0#.3C$ &E@)size_max_y=1219.2000732 (    X,P,DT 5'@)
 }
}
hidden 隐藏的{media 媒体{abilities 能力="100004455400144444000005005005000400000000000005000caps_state="00000ui_owner="22212222121111212112221size_max_x=914.40002441 (    0#.3C$ &E@)size_max_y=1219.2000732 (    X,P,DT 5'@)
 }
}