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         Document document;\r
  66         LineBreakMethod lineBreakMethod;\r
  67         int lineBreakCharCount, tabCount;\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 = new 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 D2DRenderBase CreateRender(PrintPageDescription pagedesc, IPrintDocumentPackageTarget docPackageTarget)\r
  94         {\r
  95             D2DRenderBase 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, D2DRenderBase render, string header, string footer)\r
 120         {\r
 121             PrintableView view = new PrintableView(this.document, (IPrintableTextRender)render,padding);\r
 122             view.TabStops = this.tabCount;\r
 123             view.LineBreak = this.lineBreakMethod == LineBreakMethod.None ? LineBreakMethod.PageBound : this.lineBreakMethod;\r
 124             view.LineBreakCharCount = this.lineBreakCharCount;\r
 125             view.DrawLineNumber = this.drawLineNumber;\r
 126             view.Header = header;\r
 127             view.Footer = footer;\r
 128             view.UrlMark = this.urlMark;\r
 129             view.PageBound = new Rectangle(pagedesc.ImageableRect.X, pagedesc.ImageableRect.Y, pagedesc.ImageableRect.Width, pagedesc.ImageableRect.Height);\r
 130             view.Hilighter = this.EnableHilight ? this.hilighter : null;\r
 131             view.PerfomLayouts();\r
 132 \r
 133             return view;\r
 134         }\r
 135 \r
 136         public bool drawLineNumber\r
 137         {\r
 138             get;\r
 139             set;\r
 140         }\r
 141 \r
 142         public bool EnableHilight\r
 143         {\r
 144             get;\r
 145             set;\r
 146         }\r
 147     }\r
 148 \r
 149     sealed class DocumentSource : IPrintDocumentPageSource, IPrintPreviewPageCollection, IPrintDocumentSource,IPrintPreviewSource\r
 150     {\r
 151         IPrintPreviewDxgiPackageTarget dxgiPreviewTarget;\r
 152         bool paginateCalled = false;\r
 153         Size imageRect;\r
 154         PrintableViewFactory factory;\r
 155         D2DPrintPreviewRender previewRender;\r
 156         PrintableView previewView;\r
 157         int maxPreviePageCount;\r
 158 \r
 159         public ParseCommandHandler ParseHF;\r
 160         public string Header = string.Empty;\r
 161         public string Fotter = string.Empty;\r
 162 \r
 163         public DocumentSource(FooTextBox textbox,Padding padding)\r
 164         {\r
 165             this.factory = new PrintableViewFactory(textbox, padding);\r
 166         }\r
 167 \r
 168         internal enum SyntaxHilightApplibility\r
 169         {\r
 170             Apply,\r
 171             NoApply,\r
 172         }\r
 173 \r
 174         [DisplayPrintOptionResourceID("SyntaxHilight")]\r
 175         internal SyntaxHilightApplibility EnableHilight\r
 176         {\r
 177             get\r
 178             {\r
 179                 return this.factory.EnableHilight ? SyntaxHilightApplibility.Apply : SyntaxHilightApplibility.NoApply;\r
 180             }\r
 181             set\r
 182             {\r
 183                 this.factory.EnableHilight = value == SyntaxHilightApplibility.Apply;\r
 184             }\r
 185         }\r
 186 \r
 187         internal enum LineNumberVisiblity\r
 188         {\r
 189             Visible,\r
 190             Hidden\r
 191         }\r
 192 \r
 193         [DisplayPrintOptionResourceID("ShowLineNumber")]\r
 194         internal LineNumberVisiblity ShowLineNumber\r
 195         {\r
 196             get\r
 197             {\r
 198                 return this.factory.drawLineNumber ? LineNumberVisiblity.Visible : LineNumberVisiblity.Hidden;\r
 199             }\r
 200             set\r
 201             {\r
 202                 this.factory.drawLineNumber = value == LineNumberVisiblity.Visible;\r
 203             }\r
 204         }\r
 205 \r
 206         public void GetPreviewPageCollection(IPrintDocumentPackageTarget docPackageTarget, out IPrintPreviewPageCollection docPageCollection)\r
 207         {\r
 208             Guid guid = new Guid(PreviewPackageIds.IID_PREVIEWPACKAGETARGET_DXGI);\r
 209             IntPtr target;\r
 210             docPackageTarget.GetPackageTarget(guid, guid, out target);\r
 211             this.dxgiPreviewTarget = (IPrintPreviewDxgiPackageTarget)Marshal.GetObjectForIUnknown(target);\r
 212             docPageCollection = (IPrintPreviewPageCollection)this;\r
 213         }\r
 214 \r
 215         public void MakeDocument(object printTaskOptions, IPrintDocumentPackageTarget docPackageTarget)\r
 216         {\r
 217             PrintTaskOptions options = (PrintTaskOptions)printTaskOptions;\r
 218             PrintPageDescription pagedesc = options.GetPageDescription(1);\r
 219 \r
 220             D2DRenderBase render = this.factory.CreateRender(pagedesc, docPackageTarget);\r
 221             PrintableView view = this.factory.CreateView(pagedesc, render, this.Header, this.Fotter);\r
 222 \r
 223             bool result = false;\r
 224             int currentPage = 0;\r
 225 \r
 226             while (!result)\r
 227             {\r
 228                 if(!string.IsNullOrEmpty(this.Header))\r
 229                     view.Header = this.ParseHF(this, new ParseCommandEventArgs(currentPage, this.maxPreviePageCount, this.Header));\r
 230                 if (!string.IsNullOrEmpty(this.Fotter))\r
 231                     view.Footer = this.ParseHF(this, new ParseCommandEventArgs(currentPage, this.maxPreviePageCount, this.Fotter));\r
 232 \r
 233                 render.BegineDraw();\r
 234                 view.Draw(view.PageBound);\r
 235                 render.EndDraw();\r
 236                 result = view.TryPageDown();\r
 237                 currentPage++;\r
 238             }\r
 239 \r
 240             render.Dispose();\r
 241             view.Dispose();\r
 242         }\r
 243 \r
 244         public void Paginate(uint currentJobPage, object printTaskOptions)\r
 245         {\r
 246             PrintTaskOptions options = (PrintTaskOptions)printTaskOptions;\r
 247             PrintPageDescription pagedesc = options.GetPageDescription(currentJobPage);\r
 248 \r
 249             this.imageRect = new Size(pagedesc.ImageableRect.Width, pagedesc.ImageableRect.Height);\r
 250 \r
 251             this.previewRender = this.factory.CreateRender(pagedesc);\r
 252             this.previewView = this.factory.CreateView(pagedesc, this.previewRender, this.Header, this.Fotter);\r
 253 \r
 254             int maxPage = 1;\r
 255             while (!this.previewView.TryPageDown())\r
 256                 maxPage++;\r
 257 \r
 258             this.dxgiPreviewTarget.SetJobPageCount(PageCountType.FinalPageCount, (uint)maxPage);\r
 259 \r
 260             this.dxgiPreviewTarget.InvalidatePreview();\r
 261 \r
 262             this.maxPreviePageCount = maxPage;\r
 263 \r
 264             this.paginateCalled = true;\r
 265         }\r
 266 \r
 267         public void InvalidatePreview()\r
 268         {\r
 269             this.dxgiPreviewTarget.InvalidatePreview();\r
 270         }\r
 271 \r
 272         public void MakePage(uint desiredJobPage, float width, float height)\r
 273         {\r
 274             if (width <= 0 || height <= 0)\r
 275                 throw new COMException("", 0x70057/*E_INVALIDARG*/);\r
 276             if (!this.paginateCalled)\r
 277                 return;\r
 278             if (desiredJobPage == 0xFFFFFFFF)\r
 279                 desiredJobPage = 1;\r
 280 \r
 281             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
 282 \r
 283             for (int i = 1; i < desiredJobPage; i++)\r
 284                 this.previewView.TryPageDown();\r
 285 \r
 286             if (!string.IsNullOrEmpty(this.Header))\r
 287                 this.previewView.Header = this.ParseHF(this, new ParseCommandEventArgs((int)desiredJobPage, this.maxPreviePageCount, this.Header));\r
 288             if (!string.IsNullOrEmpty(this.Fotter))\r
 289                 this.previewView.Footer = this.ParseHF(this, new ParseCommandEventArgs((int)desiredJobPage, this.maxPreviePageCount, this.Fotter));\r
 290 \r
 291             this.previewRender.Resize(width, height);\r
 292             this.previewRender.SetScale((float)(this.previewView.PageBound.Width / width)); //BeginDraw()で倍率が1に戻る\r
 293 \r
 294             this.previewRender.BegineDraw();\r
 295             this.previewView.Draw(this.previewView.PageBound);\r
 296             this.previewRender.EndDraw(this.dxgiPreviewTarget,desiredJobPage);\r
 297         }\r
 298 \r
 299         public void Dispose()\r
 300         {\r
 301             if (this.previewView != null)\r
 302                 this.previewView.Dispose();\r
 303             if (this.previewRender != null)\r
 304                 this.previewRender.Dispose();\r
 305         }\r
 306     }\r
 307 }\r