Core/Direct2D/D2DRenderCommon.cs

   1 /*
   2  * Copyright (C) 2013 FooProject
   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
   4  * the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
   5
   6  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
   7  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   8
   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/>.
  10  */
  11 using System;
  12 using System.Collections.Generic;
  13 using System.Linq;
  14 using System.Text;
  15 using FooEditEngine;
  16 using SharpDX;
  17 using D2D = SharpDX.Direct2D1;
  18 using DW = SharpDX.DirectWrite;
  19 using DXGI = SharpDX.DXGI;
  20 using System.Runtime.InteropServices;
  21
  22 namespace FooEditEngine
  23 {
  24     delegate void PreDrawOneLineHandler(MyTextLayout layout,LineToIndexTable lti,int row,double x,double y);
  25
  26     delegate void GetDpiHandler(out float dpix,out float dpiy);
  27
  28     /// <summary>
  29     /// 文字列のアンチエイリアシングモードを指定する
  30     /// </summary>
  31     public enum TextAntialiasMode
  32     {
  33         /// <summary>
  34         /// 最適なものが選択されます
  35         /// </summary>
  36         Default = D2D.TextAntialiasMode.Default,
  37         /// <summary>
  38         /// ClearTypeでアンチエイリアシングを行います
  39         /// </summary>
  40         ClearType = D2D.TextAntialiasMode.Cleartype,
  41         /// <summary>
  42         /// グレイスケールモードでアンチエイリアシングを行います
  43         /// </summary>
  44         GrayScale = D2D.TextAntialiasMode.Grayscale,
  45         /// <summary>
  46         /// アンチエイリアシングを行いません
  47         /// </summary>
  48         Aliased = D2D.TextAntialiasMode.Aliased,
  49     }
  50
  51     sealed class ColorBrushCollection
  52     {
  53         ResourceManager<Color4, D2D.SolidColorBrush> cache = new ResourceManager<Color4, D2D.SolidColorBrush>();
  54         D2D.RenderTarget _render;
  55
  56         public event EventHandler RenderChanged;
  57
  58         public D2D.RenderTarget Render
  59         {
  60             get
  61             {
  62                 return this._render;
  63             }
  64             set
  65             {
  66                 this._render = value;
  67                 if (this.RenderChanged != null)
  68                     this.RenderChanged(this, null);
  69             }
  70         }
  71
  72         public D2D.SolidColorBrush Get(Color4 key)
  73         {
  74             if (this.Render == null || this.Render.IsDisposed)
  75                 throw new InvalidOperationException();
  76             D2D.SolidColorBrush brush;
  77             bool result = cache.TryGetValue(key, out brush);
  78             if (!result)
  79             {
  80                 brush = new D2D.SolidColorBrush(this.Render, key);
  81                 cache.Add(key, brush);
  82             }
  83
  84             return brush;
  85         }
  86
  87         public void Clear()
  88         {
  89             cache.Clear();
  90         }
  91     }
  92
  93     sealed class StrokeCollection
  94     {
  95         ResourceManager<HilightType, D2D.StrokeStyle> cache = new ResourceManager<HilightType, D2D.StrokeStyle>();
  96
  97         public D2D.Factory Factory;
  98
  99         public D2D.StrokeStyle Get(HilightType type)
 100         {
 101             if(this.Factory == null || this.Factory.IsDisposed)
 102                 throw new InvalidOperationException();
 103             D2D.StrokeStyle stroke;
 104             if (this.cache.TryGetValue(type, out stroke))
 105                 return stroke;
 106
 107             D2D.StrokeStyleProperties prop = new D2D.StrokeStyleProperties();
 108             prop.DashCap = D2D.CapStyle.Flat;
 109             prop.DashOffset = 0;
 110             prop.DashStyle = D2D.DashStyle.Solid;
 111             prop.EndCap = D2D.CapStyle.Flat;
 112             prop.LineJoin = D2D.LineJoin.Miter;
 113             prop.MiterLimit = 0;
 114             prop.StartCap = D2D.CapStyle.Flat;
 115             switch (type)
 116             {
 117                 case HilightType.Sold:
 118                 case HilightType.Url:
 119                 case HilightType.Squiggle:
 120                     prop.DashStyle = D2D.DashStyle.Solid;
 121                     break;
 122                 case HilightType.Dash:
 123                     prop.DashStyle = D2D.DashStyle.Dash;
 124                     break;
 125                 case HilightType.DashDot:
 126                     prop.DashStyle = D2D.DashStyle.DashDot;
 127                     break;
 128                 case HilightType.DashDotDot:
 129                     prop.DashStyle = D2D.DashStyle.DashDotDot;
 130                     break;
 131                 case HilightType.Dot:
 132                     prop.DashStyle = D2D.DashStyle.Dot;
 133                     break;
 134             }
 135             stroke = new D2D.StrokeStyle(this.Factory, prop);
 136             this.cache.Add(type, stroke);
 137             return stroke;
 138         }
 139         public void Clear()
 140         {
 141             cache.Clear();
 142         }
 143     }
 144
 145     class D2DRenderCommon : IDisposable
 146     {
 147         ColorBrushCollection Brushes = new ColorBrushCollection();
 148         StrokeCollection Strokes = new StrokeCollection();
 149         InlineManager HiddenChars;
 150         TextAntialiasMode _TextAntialiasMode;
 151         Color4 _ControlChar,_Forground,_URL,_Hilight;
 152         DW.Factory DWFactory;
 153 #if METRO || WINDOWS_UWP
 154         D2D.Factory1 D2DFactory;
 155 #else
 156         D2D.Factory D2DFactory;
 157 #endif
 158         DW.TextFormat format;
 159         protected D2D.Bitmap cachedBitMap;
 160         CustomTextRenderer textRender;
 161         int tabLength = 8;
 162         bool _ShowLineBreak;
 163         Color4 _Comment, _Literal, _Keyword1, _Keyword2;
 164         protected bool hasCache;
 165
 166         protected Size renderSize
 167         {
 168             get;
 169             private set;
 170         }
 171
 172         protected D2D.RenderTarget render
 173         {
 174             get;
 175             private set;
 176         }
 177
 178         public D2DRenderCommon()
 179         {
 180             this.DWFactory = new DW.Factory(DW.FactoryType.Shared);
 181 #if METRO || WINDOWS_UWP
 182             this.D2DFactory = new D2D.Factory1(D2D.FactoryType.MultiThreaded);
 183 #else
 184             this.D2DFactory = new D2D.Factory(D2D.FactoryType.MultiThreaded);
 185 #endif
 186             this.Strokes.Factory = this.D2DFactory;
 187             this.ChangedRenderResource += (s, e) => { };
 188             this.ChangedRightToLeft += (s, e) => { };
 189             this.renderSize = new Size();
 190         }
 191
 192         public event ChangedRenderResourceEventHandler ChangedRenderResource;
 193
 194         public event EventHandler ChangedRightToLeft;
 195
 196         public const int MiniumeWidth = 40;    //これ以上ないと誤操作が起こる
 197
 198         public void InitTextFormat(string fontName, float fontSize, DW.FontWeight fontWeigth = DW.FontWeight.Normal,DW.FontStyle fontStyle = DW.FontStyle.Normal)
 199         {
 200             if(this.format != null)
 201                 this.format.Dispose();
 202
 203             float dpix, dpiy;
 204             this.GetDpi(out dpix, out dpiy);
 205
 206             this.format = new DW.TextFormat(this.DWFactory, fontName, fontWeigth, fontStyle, fontSize);
 207             this.format.WordWrapping = DW.WordWrapping.NoWrap;
 208
 209             if (this.HiddenChars == null)
 210                 this.HiddenChars = new InlineManager(this.DWFactory, this.format, this.ControlChar, this.Brushes);
 211             else
 212                 this.HiddenChars.Format = this.format;
 213
 214             this.TabWidthChar = this.TabWidthChar;
 215
 216             this.hasCache = false;
 217
 218             MyTextLayout layout = new MyTextLayout(this.DWFactory, "0", this.format, float.MaxValue, float.MaxValue, dpix, false);
 219             layout.RightToLeft = false;
 220             this.emSize = new Size(layout.Width, layout.Height);
 221             layout.Dispose();
 222
 223             layout = new MyTextLayout(this.DWFactory, "+", this.format, float.MaxValue, float.MaxValue, dpix, false);
 224             layout.RightToLeft = false;
 225 #if METRO
 226             this.FoldingWidth = Math.Max(D2DRenderCommon.MiniumeWidth, layout.Width);
 227 #else
 228             this.FoldingWidth = layout.Width;
 229 #endif
 230             layout.Dispose();
 231
 232             this.ChangedRenderResource(this,new ChangedRenderRsourceEventArgs(ResourceType.Font));
 233         }
 234
 235         public bool RightToLeft
 236         {
 237             get
 238             {
 239                 return this.format.ReadingDirection == DW.ReadingDirection.RightToLeft;
 240             }
 241             set
 242             {
 243                 this.format.ReadingDirection = value ? DW.ReadingDirection.RightToLeft : DW.ReadingDirection.LeftToRight;
 244                 this.ChangedRightToLeft(this, null);
 245             }
 246         }
 247
 248         public TextAntialiasMode TextAntialiasMode
 249         {
 250             get
 251             {
 252                 return this._TextAntialiasMode;
 253             }
 254             set
 255             {
 256                 if (this.render == null)
 257                     throw new InvalidOperationException();
 258                 this._TextAntialiasMode = value;
 259                 this.render.TextAntialiasMode = (D2D.TextAntialiasMode)value;
 260                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Antialias));
 261             }
 262         }
 263
 264         public bool ShowFullSpace
 265         {
 266             get
 267             {
 268                 if (this.HiddenChars == null)
 269                     return false;
 270                 else
 271                     return this.HiddenChars.ContainsSymbol('　');
 272             }
 273             set
 274             {
 275                 if (this.HiddenChars == null)
 276                     throw new InvalidOperationException();
 277                 if (value)
 278                     this.HiddenChars.AddSymbol('　', '□');
 279                 else
 280                     this.HiddenChars.RemoveSymbol('　');
 281             }
 282         }
 283
 284         public bool ShowHalfSpace
 285         {
 286             get
 287             {
 288                 if (this.HiddenChars == null)
 289                     return false;
 290                 else
 291                     return this.HiddenChars.ContainsSymbol(' ');
 292             }
 293             set
 294             {
 295                 if (this.HiddenChars == null)
 296                     throw new InvalidOperationException();
 297                 if (value)
 298                     this.HiddenChars.AddSymbol(' ', 'ﾛ');
 299                 else
 300                     this.HiddenChars.RemoveSymbol(' ');
 301             }
 302         }
 303
 304         public bool ShowTab
 305         {
 306             get
 307             {
 308                 if (this.HiddenChars == null)
 309                     return false;
 310                 else
 311                     return this.HiddenChars.ContainsSymbol('\t');
 312             }
 313             set
 314             {
 315                 if (this.HiddenChars == null)
 316                     throw new InvalidOperationException();
 317                 if (value)
 318                     this.HiddenChars.AddSymbol('\t', '>');
 319                 else
 320                     this.HiddenChars.RemoveSymbol('\t');
 321             }
 322         }
 323
 324         public bool ShowLineBreak
 325         {
 326             get
 327             {
 328                 return this._ShowLineBreak;
 329             }
 330             set
 331             {
 332                 this._ShowLineBreak = value;
 333             }
 334         }
 335
 336         public Color4 Foreground
 337         {
 338             get
 339             {
 340                 return this._Forground;
 341             }
 342             set
 343             {
 344                 if (this.render == null)
 345                     return;
 346                 this._Forground = value;
 347                 if (this.textRender != null)
 348                     this.textRender.DefaultFore = value;
 349                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 350             }
 351         }
 352
 353         public Color4 Background
 354         {
 355             get;
 356             set;
 357         }
 358
 359         public Color4 InsertCaret
 360         {
 361             get;
 362             set;
 363         }
 364
 365         public Color4 OverwriteCaret
 366         {
 367             get;
 368             set;
 369         }
 370
 371         public Color4 LineMarker
 372         {
 373             get;
 374             set;
 375         }
 376
 377         public Color4 UpdateArea
 378         {
 379             get;
 380             set;
 381         }
 382
 383         public Color4 LineNumber
 384         {
 385             get;
 386             set;
 387         }
 388
 389         public Color4 ControlChar
 390         {
 391             get
 392             {
 393                 return this._ControlChar;
 394             }
 395             set
 396             {
 397                 this._ControlChar = value;
 398                 if (this.HiddenChars != null)
 399                     this.HiddenChars.Fore = value;
 400                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 401             }
 402         }
 403
 404         public Color4 Url
 405         {
 406             get
 407             {
 408                 return this._URL;
 409             }
 410             set
 411             {
 412                 this._URL = value;
 413                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 414             }
 415         }
 416
 417         public Color4 Hilight
 418         {
 419             get
 420             {
 421                 return this._Hilight;
 422             }
 423             set
 424             {
 425                 this._Hilight = value;
 426             }
 427         }
 428
 429         public Color4 Comment
 430         {
 431             get
 432             {
 433                 return this._Comment;
 434             }
 435             set
 436             {
 437                 this._Comment = value;
 438                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 439             }
 440         }
 441
 442         public Color4 Literal
 443         {
 444             get
 445             {
 446                 return this._Literal;
 447             }
 448             set
 449             {
 450                 this._Literal = value;
 451                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 452             }
 453         }
 454
 455         public Color4 Keyword1
 456         {
 457             get
 458             {
 459                 return this._Keyword1;
 460             }
 461             set
 462             {
 463                 this._Keyword1 = value;
 464                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 465             }
 466         }
 467
 468         public Color4 Keyword2
 469         {
 470             get
 471             {
 472                 return this._Keyword2;
 473             }
 474             set
 475             {
 476                 this._Keyword2 = value;
 477                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 478             }
 479         }
 480
 481         public Rectangle TextArea
 482         {
 483             get;
 484             set;
 485         }
 486
 487         public double LineNemberWidth
 488         {
 489             get
 490             {
 491                 return this.emSize.Width * EditView.LineNumberLength;
 492             }
 493         }
 494
 495         public double FoldingWidth
 496         {
 497             get;
 498             private set;
 499         }
 500
 501         public int TabWidthChar
 502         {
 503             get { return this.tabLength; }
 504             set
 505             {
 506                 if (value == 0)
 507                     return;
 508                 this.tabLength = value;
 509                 DW.TextLayout layout = new DW.TextLayout(this.DWFactory, "0", this.format, float.MaxValue, float.MaxValue);
 510                 float width = (float)(layout.Metrics.Width * value);
 511                 this.HiddenChars.TabWidth = width;
 512                 this.format.IncrementalTabStop = width;
 513             }
 514         }
 515
 516         public Size emSize
 517         {
 518             get;
 519             private set;
 520         }
 521
 522         public void DrawGripper(Point p, double radius)
 523         {
 524             D2D.Ellipse ellipse = new D2D.Ellipse();
 525             ellipse.Point = p;
 526             ellipse.RadiusX = (float)radius;
 527             ellipse.RadiusY = (float)radius;
 528             this.render.FillEllipse(ellipse, this.Brushes.Get(this.Background));
 529             this.render.DrawEllipse(ellipse, this.Brushes.Get(this.Foreground));
 530         }
 531
 532         public void ReConstructDeviceResource()
 533         {
 534             this.ReConstructDeviceResource(this.renderSize.Width, this.renderSize.Height);
 535         }
 536
 537         public void ReConstructDeviceResource(double width, double height)
 538         {
 539             this.DestructDeviceResource();
 540             this.ConstructDeviceResource(width, height);
 541         }
 542
 543         public virtual void DrawCachedBitmap(Rectangle rect)
 544         {
 545         }
 546
 547         public virtual void CacheContent()
 548         {
 549         }
 550
 551         public virtual bool IsVaildCache()
 552         {
 553             return this.hasCache;
 554         }
 555
 556         protected void BegineDraw()
 557         {
 558             if (this.render == null || this.render.IsDisposed)
 559                 return;
 560             this.render.BeginDraw();
 561             this.render.AntialiasMode = D2D.AntialiasMode.Aliased;
 562         }
 563
 564         protected void EndDraw()
 565         {
 566             if (this.render == null || this.render.IsDisposed)
 567                 return;
 568             this.render.AntialiasMode = D2D.AntialiasMode.PerPrimitive;
 569             this.render.EndDraw();
 570         }
 571
 572         public void DrawString(string str, double x, double y, StringAlignment align, Size layoutRect, StringColorType colorType = StringColorType.Forground)
 573         {
 574             if (this.render == null || this.render.IsDisposed)
 575                 return;
 576             float dpix, dpiy;
 577             D2D.SolidColorBrush brush;
 578             switch (colorType)
 579             {
 580                 case StringColorType.Forground:
 581                     brush = this.Brushes.Get(this.Foreground);
 582                     break;
 583                 case StringColorType.LineNumber:
 584                     brush = this.Brushes.Get(this.LineNumber);
 585                     break;
 586                 default:
 587                     throw new ArgumentOutOfRangeException();
 588             }
 589             this.GetDpi(out dpix, out dpiy);
 590             MyTextLayout layout = new MyTextLayout(this.DWFactory, str, this.format, (float)layoutRect.Width, (float)layoutRect.Height,dpix,false);
 591             layout.StringAlignment = align;
 592             layout.Draw(this.render, (float)x, (float)y, brush);
 593             layout.Dispose();
 594         }
 595
 596         public void DrawFoldingMark(bool expand, double x, double y)
 597         {
 598             string mark = expand ? "-" : "+";
 599             this.DrawString(mark, x, y,StringAlignment.Left, new Size(this.FoldingWidth, this.emSize.Height));
 600         }
 601
 602         public void FillRectangle(Rectangle rect,FillRectType type)
 603         {
 604             if (this.render == null || this.render.IsDisposed)
 605                 return;
 606             D2D.SolidColorBrush brush = null;
 607             switch(type)
 608             {
 609                 case FillRectType.OverwriteCaret:
 610                     brush = this.Brushes.Get(this.OverwriteCaret);
 611                     this.render.FillRectangle(rect, brush);
 612                     break;
 613                 case FillRectType.InsertCaret:
 614                     brush = this.Brushes.Get(this.InsertCaret);
 615                     this.render.FillRectangle(rect, brush);
 616                     break;
 617                 case FillRectType.InsertPoint:
 618                     brush = this.Brushes.Get(this.Hilight);
 619                     this.render.FillRectangle(rect, brush);
 620                     break;
 621                 case FillRectType.LineMarker:
 622                     brush = this.Brushes.Get(this.LineMarker);
 623                     this.render.DrawRectangle(rect, brush, EditView.LineMarkerThickness);
 624                     break;
 625                 case FillRectType.UpdateArea:
 626                     brush = this.Brushes.Get(this.UpdateArea);
 627                     this.render.FillRectangle(rect, brush);
 628                     break;
 629             }
 630         }
 631
 632         public void FillBackground(Rectangle rect)
 633         {
 634             if (this.render == null || this.render.IsDisposed)
 635                 return;
 636             this.render.Clear(this.Background);
 637         }
 638
 639         public void DrawOneLine(LineToIndexTable lti, int row, double x, double y, IEnumerable<Selection> SelectRanges,PreDrawOneLineHandler PreDrawOneLine)
 640         {
 641             int lineLength = lti.GetLengthFromLineNumber(row);
 642
 643             if (lineLength == 0 || this.render == null || this.render.IsDisposed)
 644                 return;
 645
 646             MyTextLayout layout = (MyTextLayout)lti.GetLayout(row);
 647
 648             if(PreDrawOneLine != null)
 649                 PreDrawOneLine(layout,lti,row,x,y);
 650
 651             if (SelectRanges != null)
 652             {
 653                 foreach (Selection sel in SelectRanges)
 654                 {
 655                     if (sel.length == 0 || sel.start == -1)
 656                         continue;
 657
 658                     this.DrawMarkerEffect(layout, HilightType.Select, sel.start, sel.length, x, y, false);
 659                 }
 660             }
 661
 662             layout.Draw(textRender, (float)x, (float)y);
 663
 664         }
 665
 666         public void BeginClipRect(Rectangle rect)
 667         {
 668             this.render.PushAxisAlignedClip(rect, D2D.AntialiasMode.Aliased);
 669         }
 670
 671         public void EndClipRect()
 672         {
 673             this.render.PopAxisAlignedClip();
 674         }
 675
 676         public void SetTextColor(MyTextLayout layout,int start, int length, Color4? color)
 677         {
 678             if (color == null)
 679                 return;
 680             layout.SetDrawingEffect(this.Brushes.Get((Color4)color), new DW.TextRange(start, length));
 681         }
 682
 683         public void DrawLine(Point from, Point to)
 684         {
 685             D2D.Brush brush = this.Brushes.Get(this.Foreground);
 686             D2D.StrokeStyle stroke = this.Strokes.Get(HilightType.Sold);
 687             this.render.DrawLine(from, to, brush, 1.0f, stroke);
 688         }
 689
 690         public const int BoldThickness = 2;
 691         public const int NormalThickness = 1;
 692
 693         public void DrawMarkerEffect(MyTextLayout layout, HilightType type, int start, int length, double x, double y, bool isBold, Color4? effectColor = null)
 694         {
 695             if (type == HilightType.None)
 696                 return;
 697
 698             float thickness = isBold ? BoldThickness : NormalThickness;
 699
 700             Color4 color;
 701             if (effectColor != null)
 702                 color = (Color4)effectColor;
 703             else if (type == HilightType.Select)
 704                 color = this.Hilight;
 705             else
 706                 color = this.Foreground;
 707
 708             IMarkerEffecter effecter = null;
 709             D2D.SolidColorBrush brush = this.Brushes.Get(color);
 710
 711             if (type == HilightType.Squiggle)
 712                 effecter = new D2DSquilleLineMarker(this.render, brush, this.Strokes.Get(HilightType.Squiggle), thickness);
 713             else if (type == HilightType.Select)
 714                 effecter = new HilightMarker(this.render, brush);
 715             else if (type == HilightType.None)
 716                 effecter = null;
 717             else
 718                 effecter = new LineMarker(this.render, brush, this.Strokes.Get(type), thickness);
 719
 720             if (effecter != null)
 721             {
 722                 bool isUnderline = type != HilightType.Select;
 723
 724                 DW.HitTestMetrics[] metrics = layout.HitTestTextRange(start, length, (float)x, (float)y);
 725                 foreach (DW.HitTestMetrics metric in metrics)
 726                 {
 727                     float offset = isUnderline ? metric.Height : 0;
 728                     effecter.Draw(metric.Left, metric.Top + offset, metric.Width, metric.Height);
 729                 }
 730             }
 731         }
 732
 733         public ITextLayout CreateLaytout(string str, SyntaxInfo[] syntaxCollection, IEnumerable<Marker> MarkerRanges)
 734         {
 735             float dpix,dpiy;
 736             this.GetDpi(out dpix,out dpiy);
 737
 738             bool hasNewLine = str.Length > 0 && str[str.Length - 1] == Document.NewLine;
 739             MyTextLayout newLayout = new MyTextLayout(this.DWFactory,
 740                 str,
 741                 this.format,
 742                 this.TextArea.Width,
 743                 this.TextArea.Height,
 744                 dpiy,
 745                 hasNewLine && this._ShowLineBreak);
 746             ParseLayout(newLayout, str);
 747             if (syntaxCollection != null)
 748             {
 749                 foreach (SyntaxInfo s in syntaxCollection)
 750                 {
 751                     D2D.SolidColorBrush brush = this.Brushes.Get(this.Foreground);
 752                     switch (s.type)
 753                     {
 754                         case TokenType.Comment:
 755                             brush = this.Brushes.Get(this.Comment);
 756                             break;
 757                         case TokenType.Keyword1:
 758                             brush = this.Brushes.Get(this.Keyword1);
 759                             break;
 760                         case TokenType.Keyword2:
 761                             brush = this.Brushes.Get(this.Keyword2);
 762                             break;
 763                         case TokenType.Literal:
 764                             brush = this.Brushes.Get(this.Literal);
 765                             break;
 766                     }
 767                     newLayout.SetDrawingEffect(brush, new DW.TextRange(s.index, s.length));
 768                 }
 769             }
 770
 771             if (MarkerRanges != null)
 772             {
 773                 foreach (Marker m in MarkerRanges)
 774                 {
 775                     if (m.start == -1 || m.length == 0)
 776                         continue;
 777                     Color4 color = new Color4(m.color.R / 255.0f, m.color.G / 255.0f, m.color.B / 255.0f, m.color.A / 255.0f);
 778                     if (m.hilight == HilightType.Url)
 779                         color = this.Url;
 780                     newLayout.SetDrawingEffect(new DrawingEffect(m.hilight, color,m.isBoldLine), new DW.TextRange(m.start, m.length));
 781                     if (m.hilight != HilightType.None && m.hilight != HilightType.Select)
 782                         newLayout.SetUnderline(true, new DW.TextRange(m.start, m.length));
 783                 }
 784             }
 785
 786             return newLayout;
 787        }
 788
 789         public List<LineToIndexTableData> BreakLine(Document doc, LineToIndexTable layoutLineCollection, int startIndex, int endIndex, double wrapwidth)
 790         {
 791             List<LineToIndexTableData> output = new List<LineToIndexTableData>();
 792
 793             this.format.WordWrapping = DW.WordWrapping.Wrap;
 794
 795             foreach (string str in doc.GetLines(startIndex, endIndex))
 796             {
 797                 DW.TextLayout layout = new DW.TextLayout(this.DWFactory, str, this.format, (float)wrapwidth, float.MaxValue);
 798
 799                 int i = startIndex;
 800                 foreach (DW.LineMetrics metrics in layout.GetLineMetrics())
 801                 {
 802                     if (metrics.Length == 0 && metrics.NewlineLength == 0)
 803                         continue;
 804
 805                     bool lineend = false;
 806                     if (metrics.NewlineLength > 0)
 807                         lineend = true;
 808
 809                     output.Add(layoutLineCollection.CreateLineToIndexTableData(i, (int)metrics.Length, lineend, null));
 810                     i += Util.RoundUp(metrics.Length);
 811                 }
 812
 813                 layout.Dispose();
 814
 815                 startIndex += str.Length;
 816             }
 817
 818             this.format.WordWrapping = DW.WordWrapping.NoWrap;
 819
 820             if (output.Count > 0)
 821                 output.Last().LineEnd = true;
 822
 823             return output;
 824         }
 825
 826         public virtual void Dispose()
 827         {
 828             this.DestructDeviceResource();
 829             this.HiddenChars.Clear();
 830             if (this.format != null)
 831                 this.format.Dispose();
 832             if(this.DWFactory != null)
 833                 this.DWFactory.Dispose();
 834             if(this.D2DFactory != null)
 835                 this.D2DFactory.Dispose();
 836         }
 837
 838         public void ConstructDeviceResource(double width, double height)
 839         {
 840             float dpiX, dpiY;
 841             this.GetDpi(out dpiX, out dpiY);
 842             D2D.RenderTargetProperties prop = new D2D.RenderTargetProperties(
 843                 D2D.RenderTargetType.Default,
 844                 new D2D.PixelFormat(DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Ignore),
 845                 dpiX,
 846                 dpiY,
 847                 D2D.RenderTargetUsage.None,
 848                 D2D.FeatureLevel.Level_DEFAULT);
 849
 850             this.render = this.ConstructRender(this.D2DFactory,prop,width,height);
 851
 852             this.Brushes.Render = this.render;
 853
 854             D2D.BitmapProperties bmpProp = new D2D.BitmapProperties();
 855             bmpProp.DpiX = dpiX;
 856             bmpProp.DpiY = dpiY;
 857             bmpProp.PixelFormat = new D2D.PixelFormat(DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Ignore);
 858             this.cachedBitMap = new D2D.Bitmap(this.render, new SharpDX.Size2((int)width, (int)height), bmpProp);
 859             this.hasCache = false;
 860
 861             this.ConstrctedResource();
 862
 863             this.textRender = new CustomTextRenderer(this.render, this.Brushes,this.Strokes, this.Foreground);
 864
 865             this.renderSize = new Size(width,height);
 866
 867             this.TextAntialiasMode = this._TextAntialiasMode;
 868         }
 869
 870 #if METRO || WINDOWS_UWP
 871         protected virtual D2D.RenderTarget ConstructRender(D2D.Factory1 factory, D2D.RenderTargetProperties prop, double width, double height)
 872 #else
 873         protected virtual D2D.RenderTarget ConstructRender(D2D.Factory factory, D2D.RenderTargetProperties prop, double width, double height)
 874 #endif
 875         {
 876             throw new NotImplementedException();
 877         }
 878
 879         protected virtual void ConstrctedResource()
 880         {
 881             throw new NotImplementedException();
 882         }
 883
 884         public virtual void GetDpi(out float dpix,out float dpiy)
 885         {
 886             throw new NotImplementedException();
 887         }
 888
 889         protected virtual void DestructRender()
 890         {
 891             throw new NotImplementedException();
 892
 893         }
 894
 895         protected virtual void ReCreateTarget()
 896         {
 897             throw new NotImplementedException();
 898         }
 899
 900         public void DestructDeviceResource()
 901         {
 902             this.hasCache = false;
 903             if (this.cachedBitMap != null)
 904                 this.cachedBitMap.Dispose();
 905             this.Brushes.Clear();
 906             this.Strokes.Clear();
 907             if (this.textRender != null)
 908                 this.textRender.Dispose();
 909             this.DestructRender();
 910         }
 911
 912         void ParseLayout(MyTextLayout layout, string str)
 913         {
 914             for (int i = 0; i < str.Length; i++)
 915             {
 916                 DW.InlineObject inlineObject = this.HiddenChars.Get(layout,i, str);
 917                 if (inlineObject != null)
 918                 {
 919                     layout.SetInlineObject(inlineObject, new DW.TextRange(i, 1));
 920                     layout.SetDrawingEffect(this.Brushes.Get(this.ControlChar), new DW.TextRange(i, 1));
 921                 }
 922             }
 923             layout.SetLineBreakBrush(this.Brushes.Get(this.ControlChar));
 924         }
 925     }
 926 }