Windows/FooEditEngine/FooPrintText.cs

   1 /*\r
   2  * Copyright (C) 2013 FooProject\r
   3  * * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by\r
   4  * the Free Software Foundation; either version 3 of the License, or (at your option) any later version.\r
   5 \r
   6  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of \r
   7  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.\r
   8 \r
   9 You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.\r
  10  */\r
  11 using System;\r
  12 using System.Drawing;\r
  13 using System.Drawing.Printing;\r
  14 \r
  15 namespace FooEditEngine.Windows\r
  16 {\r
  17     /// <summary>\r
  18     /// イベントデータ\r
  19     /// </summary>\r
  20     public class ParseCommandEventArgs\r
  21     {\r
  22         /// <summary>\r
  23         /// ページ番号\r
  24         /// </summary>\r
  25         public int PageNumber;\r
  26         /// <summary>\r
  27         /// プリンターの設定\r
  28         /// </summary>\r
  29         public PrinterSettings PrinterSetting;\r
  30         /// <summary>\r
  31         /// 処理前の文字列\r
  32         /// </summary>\r
  33         public string Original;\r
  34         /// <summary>\r
  35         /// コンストラクター\r
  36         /// </summary>\r
  37         /// <param name="nowPage">印刷中のページ番号</param>\r
  38         /// <param name="setting">プリンターの設定</param>\r
  39         /// <param name="org">処理前の文字列</param>\r
  40         public ParseCommandEventArgs(int nowPage,PrinterSettings setting,string org)\r
  41         {\r
  42             this.PageNumber = nowPage;\r
  43             this.PrinterSetting = setting;\r
  44             this.Original = org;\r
  45         }\r
  46     }\r
  47 \r
  48     /// <summary>\r
  49     /// コマンド処理用デリゲート\r
  50     /// </summary>\r
  51     /// <param name="sender">送信元のクラス</param>\r
  52     /// <param name="e">イベントデータ</param>\r
  53     /// <returns>処理後の文字列</returns>\r
  54     public delegate string ParseCommandHandler(object sender,ParseCommandEventArgs e);\r
  55 \r
  56     /// <summary>\r
  57     /// 印刷用のクラス\r
  58     /// </summary>\r
  59     public class FooPrintText\r
  60     {\r
  61         PrintableView view;\r
  62         PrintableTextRender render;\r
  63         int PageNumber;\r
  64 \r
  65         /// <summary>\r
  66         /// コンストラクター\r
  67         /// </summary>\r
  68         public FooPrintText()\r
  69         {\r
  70             this.PrintDocument = new PrintDocument();\r
  71             this.PrintDocument.PrintPage += new PrintPageEventHandler(PrintDocument_PrintPage);\r
  72             this.PrintDocument.EndPrint += new PrintEventHandler(PrintDocument_EndPrint);\r
  73             this.ParseHF = new ParseCommandHandler((s, e) => { return e.Original; });\r
  74         }\r
  75 \r
  76         /// <summary>\r
  77         /// 対象となるドキュメント\r
  78         /// </summary>\r
  79         public Document Document\r
  80         {\r
  81             get;\r
  82             set;\r
  83         }\r
  84 \r
  85         /// <summary>\r
  86         /// プリントドキュメント\r
  87         /// </summary>\r
  88         public PrintDocument PrintDocument\r
  89         {\r
  90             get;\r
  91             private set;\r
  92         }\r
  93 \r
  94         /// <summary>\r
  95         /// 右から左に表示するなら真\r
  96         /// </summary>\r
  97         public bool RightToLeft\r
  98         {\r
  99             get;\r
 100             set;\r
 101         }\r
 102 \r
 103         /// <summary>\r
 104         /// 行番号を表示するかどうか\r
 105         /// </summary>\r
 106         public bool DrawLineNumber\r
 107         {\r
 108             get;\r
 109             set;\r
 110         }\r
 111 \r
 112         /// <summary>\r
 113         /// 印刷に使用するフォント\r
 114         /// </summary>\r
 115         public Font Font\r
 116         {\r
 117             get;\r
 118             set;\r
 119         }\r
 120 \r
 121         /// <summary>\r
 122         /// 折り返しの方法を指定する\r
 123         /// </summary>\r
 124         public LineBreakMethod LineBreakMethod\r
 125         {\r
 126             get;\r
 127             set;\r
 128         }\r
 129 \r
 130         /// <summary>\r
 131         /// 折り返した時の文字数を指定する\r
 132         /// </summary>\r
 133         public int LineBreakCharCount\r
 134         {\r
 135             get;\r
 136             set;\r
 137         }\r
 138 \r
 139         /// <summary>\r
 140         /// ヘッダー\r
 141         /// </summary>\r
 142         public string Header\r
 143         {\r
 144             get;\r
 145             set;\r
 146         }\r
 147 \r
 148         /// <summary>\r
 149         /// フッター\r
 150         /// </summary>\r
 151         public string Footer\r
 152         {\r
 153             get;\r
 154             set;\r
 155         }\r
 156 \r
 157         /// <summary>\r
 158         /// 余白\r
 159         /// </summary>\r
 160         public Padding Padding\r
 161         {\r
 162             get;\r
 163             set;\r
 164         }\r
 165 \r
 166         /// <summary>\r
 167         /// 前景色\r
 168         /// </summary>\r
 169         public System.Drawing.Color Foreground\r
 170         {\r
 171             get;\r
 172             set;\r
 173         }\r
 174 \r
 175         /// <summary>\r
 176         /// ヘッダーやフッターを処理する\r
 177         /// </summary>\r
 178         public ParseCommandHandler ParseHF;\r
 179 \r
 180         void PrintDocument_PrintPage(object sender, PrintPageEventArgs e)\r
 181         {\r
 182             if (this.Font == null || this.Document == null)\r
 183                 throw new InvalidOperationException();\r
 184 \r
 185             if (view == null)\r
 186             {\r
 187                 this.render = new PrintableTextRender(this.Font, e.Graphics);\r
 188                 this.render.Foreground = this.Foreground;\r
 189                 this.render.RightToLeft = this.RightToLeft;\r
 190                 this.view = new PrintableView(this.Document, this.render,this.Padding);\r
 191                 this.view.DrawLineNumber = this.DrawLineNumber;\r
 192                 this.view.TabStops = 4;\r
 193                 this.view.PageBound = e.MarginBounds;\r
 194                 this.view.LineBreak = this.LineBreakMethod;\r
 195                 this.view.LineBreakCharCount = this.LineBreakCharCount;\r
 196                 this.PageNumber = 1;\r
 197                 this.view.PerfomLayouts();\r
 198             }\r
 199 \r
 200             if (e.PageSettings.PrinterSettings.PrintRange == PrintRange.SomePages)\r
 201             {\r
 202                 for (; this.PageNumber < e.PageSettings.PrinterSettings.FromPage; this.PageNumber++)\r
 203                 {\r
 204                     if (this.view.TryPageDown())\r
 205                         return;\r
 206                 }\r
 207             }\r
 208 \r
 209             this.view.Header = this.ParseHF(this, new ParseCommandEventArgs(this.PageNumber, e.PageSettings.PrinterSettings,this.Header));\r
 210             this.view.Footer = this.ParseHF(this, new ParseCommandEventArgs(this.PageNumber, e.PageSettings.PrinterSettings, this.Footer));\r
 211 \r
 212             this.render.BeginDraw(e.Graphics);\r
 213 \r
 214             this.view.Draw(e.MarginBounds);\r
 215 \r
 216             e.HasMorePages = !this.view.TryPageDown();\r
 217 \r
 218             this.render.EndDraw();\r
 219 \r
 220             this.PageNumber++;\r
 221 \r
 222             if (e.HasMorePages && e.PageSettings.PrinterSettings.PrintRange == PrintRange.SomePages && this.PageNumber > e.PageSettings.PrinterSettings.ToPage)\r
 223                 e.HasMorePages = false;\r
 224         }\r
 225 \r
 226         void PrintDocument_EndPrint(object sender, PrintEventArgs e)\r
 227         {\r
 228             this.view.Dispose();\r
 229             this.view = null;\r
 230             this.render = null;\r
 231         }\r
 232 \r
 233     }\r
 234 }\r