Metro/FooEditEngine/Print/DocumentSource.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 Windows.Graphics.Display;\r
  13 using Windows.Graphics.Printing;\r
  14 using System.Runtime.InteropServices;\r
  15 using Windows.UI;\r
  16 using FooEditEngine.Metro;\r
  17 \r
  18 namespace FooEditEngine\r
  19 {\r
  20     /// <summary>\r
  21     /// イベントデータ\r
  22     /// </summary>\r
  23     public sealed class ParseCommandEventArgs\r
  24     {\r
  25         /// <summary>\r
  26         /// 印刷中のページ番号\r
  27         /// </summary>\r
  28         public int PageNumber;\r
  29         /// <summary>\r
  30         /// ページ範囲内で許容されている最大の番号\r
  31         /// </summary>\r
  32         public int MaxPageNumber;\r
  33         /// <summary>\r
  34         /// 処理前の文字列\r
  35         /// </summary>\r
  36         public string Original;\r
  37         /// <summary>\r
  38         /// コンストラクター\r
  39         /// </summary>\r
  40         /// <param name="nowPage">印刷中のページ番号</param>\r
  41         /// <param name="maxPage">印刷すべき最大のページ番号</param>\r
  42         /// <param name="org">処理前の文字列</param>\r
  43         public ParseCommandEventArgs(int nowPage, int maxPage, string org)\r
  44         {\r
  45             this.PageNumber = nowPage;\r
  46             this.MaxPageNumber = maxPage;\r
  47             this.Original = org;\r
  48         }\r
  49     }\r
  50 \r
  51     /// <summary>\r
  52     /// コマンド処理用デリゲート\r
  53     /// </summary>\r
  54     /// <param name="sender">送信元のクラス</param>\r
  55     /// <param name="e">イベントデータ</param>\r
  56     /// <returns>処理後の文字列</returns>\r
  57     public delegate string ParseCommandHandler(object sender, ParseCommandEventArgs e);\r
  58 \r
  59 \r
  60     sealed class PrintableViewFactory\r
  61     {\r
  62         Windows.UI.Color foreground, comment, keyword1, keyword2, literal, url;\r
  63         string fontName;\r
  64         double fontSize;\r
  65         LineBreakMethod lineBreakMethod;\r
  66         int lineBreakCharCount, tabCount;\r
  67         Document document;\r
  68         bool urlMark;\r
  69         IHilighter hilighter;\r
  70         float displayDpi;\r
  71         Padding padding;\r
  72         public PrintableViewFactory(FooTextBox textbox,Padding padding)\r
  73         {\r
  74             this.foreground = textbox.Foreground;\r
  75             this.comment = textbox.Comment;\r
  76             this.keyword1 = textbox.Keyword1;\r
  77             this.keyword2 = textbox.Keyword2;\r
  78             this.literal = textbox.Literal;\r
  79             this.url = textbox.URL;\r
  80             this.fontName = textbox.FontFamily.Source;\r
  81             this.fontSize = textbox.FontSize;\r
  82             this.tabCount = textbox.TabChars;\r
  83             this.document = textbox.Document;\r
  84             this.lineBreakMethod = textbox.LineBreakMethod;\r
  85             this.lineBreakCharCount = textbox.LineBreakCharCount;\r
  86             this.drawLineNumber = textbox.DrawLineNumber;\r
  87             this.urlMark = textbox.MarkURL;\r
  88             this.hilighter = textbox.Hilighter;\r
  89             this.displayDpi = DisplayInformation.GetForCurrentView().LogicalDpi;\r
  90             this.padding = padding;\r
  91             this.EnableHilight = true;\r
  92         }\r
  93         public D2DPrintRender CreateRender(PrintPageDescription pagedesc, IPrintDocumentPackageTarget docPackageTarget)\r
  94         {\r
  95             D2DPrintRender render;\r
  96             Size size = new Size(pagedesc.ImageableRect.Width, pagedesc.ImageableRect.Height);\r
  97             render = new D2DPrintRender(this.fontName, this.fontSize, size, Math.Min(pagedesc.DpiX, pagedesc.DpiY), docPackageTarget);\r
  98             render.Foreground = D2DRenderBase.ToColor4(this.foreground);\r
  99             render.Comment = D2DRenderBase.ToColor4(this.comment);\r
 100             render.Keyword1 = D2DRenderBase.ToColor4(this.keyword1);\r
 101             render.Keyword2 = D2DRenderBase.ToColor4(this.keyword2);\r
 102             render.Literal = D2DRenderBase.ToColor4(this.literal);\r
 103             render.Url = D2DRenderBase.ToColor4(this.url);\r
 104             return render;\r
 105         }\r
 106         public D2DPrintPreviewRender CreateRender(PrintPageDescription pagedesc)\r
 107         {\r
 108             D2DPrintPreviewRender render;\r
 109             Size size = new Size(pagedesc.ImageableRect.Width, pagedesc.ImageableRect.Height);\r
 110             render = new D2DPrintPreviewRender(this.fontName, this.fontSize, size, this.displayDpi);\r
 111             render.Foreground = D2DRenderBase.ToColor4(this.foreground);\r
 112             render.Comment = D2DRenderBase.ToColor4(this.comment);\r
 113             render.Keyword1 = D2DRenderBase.ToColor4(this.keyword1);\r
 114             render.Keyword2 = D2DRenderBase.ToColor4(this.keyword2);\r
 115             render.Literal = D2DRenderBase.ToColor4(this.literal);\r
 116             render.Url = D2DRenderBase.ToColor4(this.url);\r
 117             return render;\r
 118         }\r
 119         public PrintableView CreateView(PrintPageDescription pagedesc, IPrintableTextRender render, string header, string footer)\r
 120         {\r
 121             Document documentSnap = new Document(this.document);\r
 122             documentSnap.LayoutLines.Render = render;\r
 123             PrintableView view = new PrintableView(documentSnap, render,padding);\r
 124             view.TabStops = this.tabCount;\r
 125             view.LineBreak = this.lineBreakMethod == LineBreakMethod.None ? LineBreakMethod.PageBound : this.lineBreakMethod;\r
 126             view.LineBreakCharCount = this.lineBreakCharCount;\r
 127             view.DrawLineNumber = this.drawLineNumber;\r
 128             view.Header = header;\r
 129             view.Footer = footer;\r
 130             view.UrlMark = this.urlMark;\r
 131             view.PageBound = new Rectangle(pagedesc.ImageableRect.X, pagedesc.ImageableRect.Y, pagedesc.ImageableRect.Width, pagedesc.ImageableRect.Height);\r
 132             view.Hilighter = this.EnableHilight ? this.hilighter : null;\r
 133             view.PerfomLayouts();\r
 134 \r
 135             return view;\r
 136         }\r
 137 \r
 138         public bool drawLineNumber\r
 139         {\r
 140             get;\r
 141             set;\r
 142         }\r
 143 \r
 144         public bool EnableHilight\r
 145         {\r
 146             get;\r
 147             set;\r
 148         }\r
 149     }\r
 150 \r
 151     sealed class DocumentSource : IPrintDocumentPageSource, IPrintPreviewPageCollection, IPrintDocumentSource,IPrintPreviewSource\r
 152     {\r
 153         IPrintPreviewDxgiPackageTarget dxgiPreviewTarget;\r
 154         bool paginateCalled = false;\r
 155         Size imageRect;\r
 156         PrintableViewFactory factory;\r
 157         D2DPrintPreviewRender previewRender;\r
 158         PrintableView previewView;\r
 159         int maxPreviePageCount;\r
 160 \r
 161         public ParseCommandHandler ParseHF;\r
 162         public string Header = string.Empty;\r
 163         public string Fotter = string.Empty;\r
 164 \r
 165         public DocumentSource(FooTextBox textbox,Padding padding)\r
 166         {\r
 167             this.factory = new PrintableViewFactory(textbox, padding);\r
 168         }\r
 169 \r
 170         internal enum SyntaxHilightApplibility\r
 171         {\r
 172             Apply,\r
 173             NoApply,\r
 174         }\r
 175 \r
 176         [DisplayPrintOptionResourceID("SyntaxHilight")]\r
 177         internal SyntaxHilightApplibility EnableHilight\r
 178         {\r
 179             get\r
 180             {\r
 181                 return this.factory.EnableHilight ? SyntaxHilightApplibility.Apply : SyntaxHilightApplibility.NoApply;\r
 182             }\r
 183             set\r
 184             {\r
 185                 this.factory.EnableHilight = value == SyntaxHilightApplibility.Apply;\r
 186             }\r
 187         }\r
 188 \r
 189         internal enum LineNumberVisiblity\r
 190         {\r
 191             Visible,\r
 192             Hidden\r
 193         }\r
 194 \r
 195         [DisplayPrintOptionResourceID("ShowLineNumber")]\r
 196         internal LineNumberVisiblity ShowLineNumber\r
 197         {\r
 198             get\r
 199             {\r
 200                 return this.factory.drawLineNumber ? LineNumberVisiblity.Visible : LineNumberVisiblity.Hidden;\r
 201             }\r
 202             set\r
 203             {\r
 204                 this.factory.drawLineNumber = value == LineNumberVisiblity.Visible;\r
 205             }\r
 206         }\r
 207 \r
 208         public void GetPreviewPageCollection(IPrintDocumentPackageTarget docPackageTarget, out IPrintPreviewPageCollection docPageCollection)\r
 209         {\r
 210             Guid guid = new Guid(PreviewPackageIds.IID_PREVIEWPACKAGETARGET_DXGI);\r
 211             IntPtr target;\r
 212             docPackageTarget.GetPackageTarget(guid, guid, out target);\r
 213             this.dxgiPreviewTarget = (IPrintPreviewDxgiPackageTarget)Marshal.GetObjectForIUnknown(target);\r
 214             docPageCollection = (IPrintPreviewPageCollection)this;\r
 215         }\r
 216 \r
 217         public void MakeDocument(object printTaskOptions, IPrintDocumentPackageTarget docPackageTarget)\r
 218         {\r
 219             PrintTaskOptions options = (PrintTaskOptions)printTaskOptions;\r
 220             PrintPageDescription pagedesc = options.GetPageDescription(1);\r
 221 \r
 222             D2DPrintRender render = this.factory.CreateRender(pagedesc, docPackageTarget);\r
 223             PrintableView view = this.factory.CreateView(pagedesc, render, this.Header, this.Fotter);\r
 224 \r
 225             bool result = false;\r
 226             int currentPage = 0;\r
 227 \r
 228             while (!result)\r
 229             {\r
 230                 if(!string.IsNullOrEmpty(this.Header))\r
 231                     view.Header = this.ParseHF(this, new ParseCommandEventArgs(currentPage, this.maxPreviePageCount, this.Header));\r
 232                 if (!string.IsNullOrEmpty(this.Fotter))\r
 233                     view.Footer = this.ParseHF(this, new ParseCommandEventArgs(currentPage, this.maxPreviePageCount, this.Fotter));\r
 234 \r
 235                 render.BegineDraw();\r
 236                 view.Draw(view.PageBound);\r
 237                 render.EndDraw();\r
 238                 result = view.TryPageDown();\r
 239                 currentPage++;\r
 240             }\r
 241 \r
 242             render.Dispose();\r
 243             view.Dispose();\r
 244         }\r
 245 \r
 246         public void Paginate(uint currentJobPage, object printTaskOptions)\r
 247         {\r
 248             PrintTaskOptions options = (PrintTaskOptions)printTaskOptions;\r
 249             PrintPageDescription pagedesc = options.GetPageDescription(currentJobPage);\r
 250 \r
 251             this.imageRect = new Size(pagedesc.ImageableRect.Width, pagedesc.ImageableRect.Height);\r
 252 \r
 253             this.previewRender = this.factory.CreateRender(pagedesc);\r
 254             this.previewView = this.factory.CreateView(pagedesc, this.previewRender, this.Header, this.Fotter);\r
 255 \r
 256             int maxPage = 1;\r
 257             while (!this.previewView.TryPageDown())\r
 258                 maxPage++;\r
 259 \r
 260             this.dxgiPreviewTarget.SetJobPageCount(PageCountType.FinalPageCount, (uint)maxPage);\r
 261 \r
 262             this.dxgiPreviewTarget.InvalidatePreview();\r
 263 \r
 264             this.maxPreviePageCount = maxPage;\r
 265 \r
 266             this.paginateCalled = true;\r
 267         }\r
 268 \r
 269         public void InvalidatePreview()\r
 270         {\r
 271             this.dxgiPreviewTarget.InvalidatePreview();\r
 272         }\r
 273 \r
 274         public void MakePage(uint desiredJobPage, float width, float height)\r
 275         {\r
 276             if (width <= 0 || height <= 0)\r
 277                 throw new COMException("", 0x70057/*E_INVALIDARG*/);\r
 278             if (!this.paginateCalled)\r
 279                 return;\r
 280             if (desiredJobPage == 0xFFFFFFFF)\r
 281                 desiredJobPage = 1;\r
 282 \r
 283             this.previewView.TryScroll(0, 0);   //元に戻さないとページ番号が変わった時に正しく動作しない\r
 284 \r
 285             for (int i = 1; i < desiredJobPage; i++)\r
 286                 this.previewView.TryPageDown();\r
 287 \r
 288             if (!string.IsNullOrEmpty(this.Header))\r
 289                 this.previewView.Header = this.ParseHF(this, new ParseCommandEventArgs((int)desiredJobPage, this.maxPreviePageCount, this.Header));\r
 290             if (!string.IsNullOrEmpty(this.Fotter))\r
 291                 this.previewView.Footer = this.ParseHF(this, new ParseCommandEventArgs((int)desiredJobPage, this.maxPreviePageCount, this.Fotter));\r
 292 \r
 293             this.previewRender.Resize(width, height);\r
 294             this.previewRender.SetScale((float)(this.previewView.PageBound.Width / width)); //BeginDraw()で倍率が1に戻る\r
 295 \r
 296             this.previewRender.BegineDraw();\r
 297             this.previewView.Draw(this.previewView.PageBound);\r
 298             this.previewRender.EndDraw(this.dxgiPreviewTarget,desiredJobPage);\r
 299         }\r
 300 \r
 301         public void Dispose()\r
 302         {\r
 303             if (this.previewView != null)\r
 304                 this.previewView.Dispose();\r
 305             if (this.previewRender != null)\r
 306                 this.previewRender.Dispose();\r
 307         }\r
 308     }\r
 309 }\r