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);
  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     sealed class EffectCollection
 146     {
 147         ResourceManager<Color4, ResourceManager<HilightType, DrawingEffect>> cache = new ResourceManager<Color4, ResourceManager<HilightType, DrawingEffect>>();
 148         public DrawingEffect Get(Color4 color, HilightType type)
 149         {
 150             ResourceManager<HilightType, DrawingEffect> hilights;
 151             DrawingEffect effect;
 152             if (this.cache.TryGetValue(color, out hilights))
 153             {
 154                 if (hilights.TryGetValue(type, out effect))
 155                     return effect;
 156                 effect = new DrawingEffect(type, color);
 157                 hilights.Add(type, effect);
 158                 return effect;
 159             }
 160             effect = new DrawingEffect(type, color);
 161             hilights = new ResourceManager<HilightType, DrawingEffect>();
 162             hilights.Add(type, effect);
 163             this.cache.Add(color, hilights);
 164             return effect;
 165         }
 166         public void Clear()
 167         {
 168             foreach (ResourceManager<HilightType, DrawingEffect> hilights in this.cache.Values)
 169                 hilights.Clear();
 170             cache.Clear();
 171         }
 172     }
 173
 174     class D2DRenderCommon : IDisposable
 175     {
 176         ColorBrushCollection Brushes = new ColorBrushCollection();
 177         StrokeCollection Strokes = new StrokeCollection();
 178         EffectCollection Effects = new EffectCollection();
 179         InlineManager HiddenChars;
 180         TextAntialiasMode _TextAntialiasMode;
 181         Color4 _ControlChar,_Forground,_URL,_Hilight;
 182         DW.Factory DWFactory;
 183 #if METRO
 184         D2D.Factory1 D2DFactory;
 185 #else
 186         D2D.Factory D2DFactory;
 187 #endif
 188         DW.TextFormat format;
 189         protected D2D.Bitmap CachedBitmap;
 190         D2D.RenderTarget render;
 191         CustomTextRenderer textRender;
 192         int tabLength = 8;
 193         bool _ShowLineBreak;
 194         Color4 _Comment, _Literal, _Keyword1, _Keyword2;
 195         protected bool hasCache;
 196
 197         protected Size renderSize { get; private set; }
 198
 199         public D2DRenderCommon()
 200         {
 201             this.DWFactory = new DW.Factory(DW.FactoryType.Shared);
 202 #if METRO
 203             this.D2DFactory = new D2D.Factory1(D2D.FactoryType.MultiThreaded);
 204 #else
 205             this.D2DFactory = new D2D.Factory(D2D.FactoryType.MultiThreaded);
 206 #endif
 207             this.Strokes.Factory = this.D2DFactory;
 208             this.ChangedRenderResource += (s, e) => { };
 209             this.ChangedRightToLeft += (s, e) => { };
 210             this.renderSize = new Size();
 211         }
 212
 213         public event ChangedRenderResourceEventHandler ChangedRenderResource;
 214
 215         public event EventHandler ChangedRightToLeft;
 216
 217         public const int MiniumeWidth = 40;    //これ以上ないと誤操作が起こる
 218
 219         public double GetScale()
 220         {
 221             float dpi;
 222             this.GetDpi(out dpi, out dpi);
 223             return dpi / 96.0;
 224         }
 225
 226         public void InitTextFormat(string fontName, float fontSize, DW.FontWeight fontWeigth = DW.FontWeight.Normal,DW.FontStyle fontStyle = DW.FontStyle.Normal)
 227         {
 228             if(this.format != null)
 229                 this.format.Dispose();
 230
 231             float dpix, dpiy;
 232             this.GetDpi(out dpix, out dpiy);
 233
 234             this.format = new DW.TextFormat(this.DWFactory, fontName, fontWeigth, fontStyle, fontSize);
 235             this.format.WordWrapping = DW.WordWrapping.NoWrap;
 236
 237             if (this.HiddenChars == null)
 238                 this.HiddenChars = new InlineManager(this.DWFactory, this.format, this.ControlChar, this.Brushes);
 239             else
 240                 this.HiddenChars.Format = this.format;
 241
 242             this.TabWidthChar = this.TabWidthChar;
 243
 244             this.hasCache = false;
 245
 246             MyTextLayout layout = new MyTextLayout(this.DWFactory, "0", this.format, float.MaxValue, float.MaxValue, dpix, false);
 247             layout.RightToLeft = false;
 248             this.emSize = new Size(layout.Width, layout.Height);
 249             layout.Dispose();
 250
 251             layout = new MyTextLayout(this.DWFactory, "+", this.format, float.MaxValue, float.MaxValue, dpix, false);
 252             layout.RightToLeft = false;
 253 #if METRO
 254             this.FoldingWidth = Math.Max(D2DRenderCommon.MiniumeWidth, layout.Width);
 255 #else
 256             this.FoldingWidth = layout.Width;
 257 #endif
 258             layout.Dispose();
 259
 260             this.ChangedRenderResource(this,new ChangedRenderRsourceEventArgs(ResourceType.Font));
 261         }
 262
 263         public bool RightToLeft
 264         {
 265             get
 266             {
 267                 return this.format.ReadingDirection == DW.ReadingDirection.RightToLeft;
 268             }
 269             set
 270             {
 271                 this.format.ReadingDirection = value ? DW.ReadingDirection.RightToLeft : DW.ReadingDirection.LeftToRight;
 272                 this.ChangedRightToLeft(this, null);
 273             }
 274         }
 275
 276         public TextAntialiasMode TextAntialiasMode
 277         {
 278             get
 279             {
 280                 return this._TextAntialiasMode;
 281             }
 282             set
 283             {
 284                 if (this.render == null)
 285                     throw new InvalidOperationException();
 286                 this._TextAntialiasMode = value;
 287                 this.render.TextAntialiasMode = (D2D.TextAntialiasMode)value;
 288                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Antialias));
 289             }
 290         }
 291
 292         public bool ShowFullSpace
 293         {
 294             get
 295             {
 296                 if (this.HiddenChars == null)
 297                     return false;
 298                 else
 299                     return this.HiddenChars.ContainsSymbol('　');
 300             }
 301             set
 302             {
 303                 if (this.HiddenChars == null)
 304                     throw new InvalidOperationException();
 305                 if (value)
 306                     this.HiddenChars.AddSymbol('　', '□');
 307                 else
 308                     this.HiddenChars.RemoveSymbol('　');
 309             }
 310         }
 311
 312         public bool ShowHalfSpace
 313         {
 314             get
 315             {
 316                 if (this.HiddenChars == null)
 317                     return false;
 318                 else
 319                     return this.HiddenChars.ContainsSymbol(' ');
 320             }
 321             set
 322             {
 323                 if (this.HiddenChars == null)
 324                     throw new InvalidOperationException();
 325                 if (value)
 326                     this.HiddenChars.AddSymbol(' ', 'ﾛ');
 327                 else
 328                     this.HiddenChars.RemoveSymbol(' ');
 329             }
 330         }
 331
 332         public bool ShowTab
 333         {
 334             get
 335             {
 336                 if (this.HiddenChars == null)
 337                     return false;
 338                 else
 339                     return this.HiddenChars.ContainsSymbol('\t');
 340             }
 341             set
 342             {
 343                 if (this.HiddenChars == null)
 344                     throw new InvalidOperationException();
 345                 if (value)
 346                     this.HiddenChars.AddSymbol('\t', '>');
 347                 else
 348                     this.HiddenChars.RemoveSymbol('\t');
 349             }
 350         }
 351
 352         public bool ShowLineBreak
 353         {
 354             get
 355             {
 356                 return this._ShowLineBreak;
 357             }
 358             set
 359             {
 360                 this._ShowLineBreak = value;
 361             }
 362         }
 363
 364         public Color4 Foreground
 365         {
 366             get
 367             {
 368                 return this._Forground;
 369             }
 370             set
 371             {
 372                 if (this.render == null)
 373                     return;
 374                 this._Forground = value;
 375                 if (this.textRender != null)
 376                     this.textRender.DefaultFore = value;
 377                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 378             }
 379         }
 380
 381         public Color4 Background
 382         {
 383             get;
 384             set;
 385         }
 386
 387         public Color4 InsertCaret
 388         {
 389             get;
 390             set;
 391         }
 392
 393         public Color4 OverwriteCaret
 394         {
 395             get;
 396             set;
 397         }
 398
 399         public Color4 LineMarker
 400         {
 401             get;
 402             set;
 403         }
 404
 405         public Color4 UpdateArea
 406         {
 407             get;
 408             set;
 409         }
 410
 411         public Color4 LineNumber
 412         {
 413             get;
 414             set;
 415         }
 416
 417         public Color4 ControlChar
 418         {
 419             get
 420             {
 421                 return this._ControlChar;
 422             }
 423             set
 424             {
 425                 this._ControlChar = value;
 426                 if (this.HiddenChars != null)
 427                     this.HiddenChars.Fore = value;
 428                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 429             }
 430         }
 431
 432         public Color4 Url
 433         {
 434             get
 435             {
 436                 return this._URL;
 437             }
 438             set
 439             {
 440                 this._URL = value;
 441                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 442             }
 443         }
 444
 445         public Color4 Hilight
 446         {
 447             get
 448             {
 449                 return this._Hilight;
 450             }
 451             set
 452             {
 453                 this._Hilight = value;
 454             }
 455         }
 456
 457         public Color4 Comment
 458         {
 459             get
 460             {
 461                 return this._Comment;
 462             }
 463             set
 464             {
 465                 this._Comment = value;
 466                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 467             }
 468         }
 469
 470         public Color4 Literal
 471         {
 472             get
 473             {
 474                 return this._Literal;
 475             }
 476             set
 477             {
 478                 this._Literal = value;
 479                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 480             }
 481         }
 482
 483         public Color4 Keyword1
 484         {
 485             get
 486             {
 487                 return this._Keyword1;
 488             }
 489             set
 490             {
 491                 this._Keyword1 = value;
 492                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 493             }
 494         }
 495
 496         public Color4 Keyword2
 497         {
 498             get
 499             {
 500                 return this._Keyword2;
 501             }
 502             set
 503             {
 504                 this._Keyword2 = value;
 505                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 506             }
 507         }
 508
 509         public Rectangle TextArea
 510         {
 511             get;
 512             set;
 513         }
 514
 515         public double LineNemberWidth
 516         {
 517             get
 518             {
 519                 return this.emSize.Width * EditView.LineNumberLength;
 520             }
 521         }
 522
 523         public double FoldingWidth
 524         {
 525             get;
 526             private set;
 527         }
 528
 529         public int TabWidthChar
 530         {
 531             get { return this.tabLength; }
 532             set
 533             {
 534                 if (value == 0)
 535                     return;
 536                 this.tabLength = value;
 537                 DW.TextLayout layout = new DW.TextLayout(this.DWFactory, "0", this.format, float.MaxValue, float.MaxValue);
 538                 float width = (float)(layout.Metrics.Width * value);
 539                 this.HiddenChars.TabWidth = width;
 540                 this.format.IncrementalTabStop = width;
 541             }
 542         }
 543
 544         public Size emSize
 545         {
 546             get;
 547             private set;
 548         }
 549
 550         public void DrawGripper(Point p, double radius)
 551         {
 552             D2D.Ellipse ellipse = new D2D.Ellipse();
 553             ellipse.Point = p;
 554             ellipse.RadiusX = (float)radius;
 555             ellipse.RadiusY = (float)radius;
 556             this.render.FillEllipse(ellipse, this.Brushes.Get(this.Background));
 557             this.render.DrawEllipse(ellipse, this.Brushes.Get(this.Foreground));
 558         }
 559
 560         public void ReConstructDeviceResource()
 561         {
 562             this.ReConstructDeviceResource(this.renderSize.Width, this.renderSize.Height);
 563         }
 564
 565         public void ReConstructDeviceResource(double width, double height)
 566         {
 567             this.DestructDeviceResource();
 568             this.ConstructDeviceResource(width, height);
 569         }
 570         public virtual void DrawCachedBitmap(Rectangle rect)
 571         {
 572         }
 573
 574         public virtual void CacheContent()
 575         {
 576         }
 577
 578         public virtual bool IsVaildCache()
 579         {
 580             return this.hasCache;
 581         }
 582
 583         public virtual void BegineDraw()
 584         {
 585             if (this.render == null || this.render.IsDisposed)
 586                 return;
 587             this.render.BeginDraw();
 588             this.render.AntialiasMode = D2D.AntialiasMode.Aliased;
 589         }
 590
 591         public virtual void EndDraw()
 592         {
 593             if (this.render == null || this.render.IsDisposed)
 594                 return;
 595             this.render.AntialiasMode = D2D.AntialiasMode.PerPrimitive;
 596             this.render.EndDraw();
 597         }
 598
 599         public void DrawString(string str, double x, double y, StringAlignment align, Size layoutRect, StringColorType colorType = StringColorType.Forground)
 600         {
 601             if (this.render == null || this.render.IsDisposed)
 602                 return;
 603             float dpix, dpiy;
 604             D2D.SolidColorBrush brush;
 605             switch (colorType)
 606             {
 607                 case StringColorType.Forground:
 608                     brush = this.Brushes.Get(this.Foreground);
 609                     break;
 610                 case StringColorType.LineNumber:
 611                     brush = this.Brushes.Get(this.LineNumber);
 612                     break;
 613                 default:
 614                     throw new ArgumentOutOfRangeException();
 615             }
 616             this.GetDpi(out dpix, out dpiy);
 617             MyTextLayout layout = new MyTextLayout(this.DWFactory, str, this.format, (float)layoutRect.Width, (float)layoutRect.Height,dpix,false);
 618             layout.StringAlignment = align;
 619             layout.Draw(this.render, (float)x, (float)y, brush);
 620             layout.Dispose();
 621         }
 622
 623         public void DrawFoldingMark(bool expand, double x, double y)
 624         {
 625             string mark = expand ? "-" : "+";
 626             this.DrawString(mark, x, y,StringAlignment.Left, new Size(this.FoldingWidth, this.emSize.Height));
 627         }
 628
 629         public void FillRectangle(Rectangle rect,FillRectType type)
 630         {
 631             if (this.render == null || this.render.IsDisposed)
 632                 return;
 633             D2D.SolidColorBrush brush = null;
 634             switch(type)
 635             {
 636                 case FillRectType.OverwriteCaret:
 637                     brush = this.Brushes.Get(this.OverwriteCaret);
 638                     this.render.FillRectangle(rect, brush);
 639                     break;
 640                 case FillRectType.InsertCaret:
 641                     brush = this.Brushes.Get(this.InsertCaret);
 642                     this.render.FillRectangle(rect, brush);
 643                     break;
 644                 case FillRectType.InsertPoint:
 645                     brush = this.Brushes.Get(this.Hilight);
 646                     this.render.FillRectangle(rect, brush);
 647                     break;
 648                 case FillRectType.LineMarker:
 649                     brush = this.Brushes.Get(this.LineMarker);
 650                     this.render.DrawRectangle(rect, brush, EditView.LineMarkerThickness);
 651                     break;
 652                 case FillRectType.UpdateArea:
 653                     brush = this.Brushes.Get(this.UpdateArea);
 654                     this.render.FillRectangle(rect, brush);
 655                     break;
 656             }
 657         }
 658
 659         public void FillBackground(Rectangle rect)
 660         {
 661             if (this.render == null || this.render.IsDisposed)
 662                 return;
 663             this.render.Clear(this.Background);
 664         }
 665
 666         public void DrawOneLine(LineToIndexTable lti, int row, double x, double y, IEnumerable<Selection> SelectRanges,PreDrawOneLineHandler PreDrawOneLine)
 667         {
 668             int lineLength = lti.GetLengthFromLineNumber(row);
 669
 670             if (lineLength == 0 || this.render == null || this.render.IsDisposed)
 671                 return;
 672
 673             MyTextLayout layout = (MyTextLayout)lti.GetLayout(row);
 674
 675             this.render.PushAxisAlignedClip(this.TextArea, D2D.AntialiasMode.Aliased);
 676
 677             if(PreDrawOneLine != null)
 678                 PreDrawOneLine(layout);
 679
 680             if (SelectRanges != null)
 681             {
 682                 foreach (Selection sel in SelectRanges)
 683                 {
 684                     if (sel.length == 0 || sel.start == -1)
 685                         continue;
 686
 687                     this.DrawMarkerEffect(layout, HilightType.Select, sel.start, sel.length, x, y, false);
 688                 }
 689             }
 690
 691             layout.Draw(textRender, (float)x, (float)y);
 692
 693             this.render.PopAxisAlignedClip();
 694         }
 695
 696         public void SetTextColor(MyTextLayout layout,int start, int length, Color4? color)
 697         {
 698             if (color == null)
 699                 return;
 700             layout.SetDrawingEffect(this.Brushes.Get((Color4)color), new DW.TextRange(start, length));
 701         }
 702
 703         public void DrawLine(Point from, Point to)
 704         {
 705             D2D.Brush brush = this.Brushes.Get(this.Foreground);
 706             D2D.StrokeStyle stroke = this.Strokes.Get(HilightType.Sold);
 707             this.render.DrawLine(from, to, brush, 1.0f, stroke);
 708         }
 709
 710         public void DrawMarkerEffect(MyTextLayout layout, HilightType type, int start, int length, double x, double y, bool isBold, Color4? effectColor = null)
 711         {
 712             if (type == HilightType.None)
 713                 return;
 714
 715             float thickness = isBold ? 2 : 1;
 716
 717             Color4 color;
 718             if (effectColor != null)
 719                 color = (Color4)effectColor;
 720             else if (type == HilightType.Select)
 721                 color = this.Hilight;
 722             else
 723                 color = this.Foreground;
 724
 725             IMarkerEffecter effecter = null;
 726             D2D.SolidColorBrush brush = this.Brushes.Get(color);
 727
 728             if (type == HilightType.Squiggle)
 729                 effecter = new D2DSquilleLineMarker(this.render, brush, this.Strokes.Get(HilightType.Squiggle), thickness);
 730             else if (type == HilightType.Select)
 731                 effecter = new HilightMarker(this.render, brush);
 732             else if (type == HilightType.None)
 733                 effecter = null;
 734             else
 735                 effecter = new LineMarker(this.render, brush, this.Strokes.Get(type), thickness);
 736
 737             if (effecter != null)
 738             {
 739                 bool isUnderline = type != HilightType.Select;
 740
 741                 DW.HitTestMetrics[] metrics = layout.HitTestTextRange(start, length, (float)x, (float)y);
 742                 foreach (DW.HitTestMetrics metric in metrics)
 743                 {
 744                     float offset = isUnderline ? metric.Height : 0;
 745                     effecter.Draw(metric.Left, metric.Top + offset, metric.Width, metric.Height);
 746                 }
 747             }
 748         }
 749
 750         public ITextLayout CreateLaytout(string str, SyntaxInfo[] syntaxCollection, IEnumerable<Marker> MarkerRanges)
 751         {
 752             float dpix,dpiy;
 753             this.GetDpi(out dpix,out dpiy);
 754
 755             bool hasNewLine = str.Length > 0 && str[str.Length - 1] == Document.NewLine;
 756             MyTextLayout newLayout = new MyTextLayout(this.DWFactory,
 757                 str,
 758                 this.format,
 759                 this.TextArea.Width,
 760                 this.TextArea.Height,
 761                 dpiy,
 762                 hasNewLine && this._ShowLineBreak);
 763             ParseLayout(newLayout, str);
 764             if (syntaxCollection != null)
 765             {
 766                 foreach (SyntaxInfo s in syntaxCollection)
 767                 {
 768                     D2D.SolidColorBrush brush = this.Brushes.Get(this.Foreground);
 769                     switch (s.type)
 770                     {
 771                         case TokenType.Comment:
 772                             brush = this.Brushes.Get(this.Comment);
 773                             break;
 774                         case TokenType.Keyword1:
 775                             brush = this.Brushes.Get(this.Keyword1);
 776                             break;
 777                         case TokenType.Keyword2:
 778                             brush = this.Brushes.Get(this.Keyword2);
 779                             break;
 780                         case TokenType.Literal:
 781                             brush = this.Brushes.Get(this.Literal);
 782                             break;
 783                     }
 784                     newLayout.SetDrawingEffect(brush, new DW.TextRange(s.index, s.length));
 785                 }
 786             }
 787
 788             if (MarkerRanges != null)
 789             {
 790                 foreach (Marker m in MarkerRanges)
 791                 {
 792                     if (m.start == -1 || m.length == 0)
 793                         continue;
 794                     Color4 color = new Color4(m.color.R / 255.0f, m.color.G / 255.0f, m.color.B / 255.0f, m.color.A / 255.0f);
 795                     if (m.hilight == HilightType.Url)
 796                         color = this.Url;
 797                     newLayout.SetDrawingEffect(this.Effects.Get(color, m.hilight), new DW.TextRange(m.start, m.length));
 798                 }
 799             }
 800
 801             return newLayout;
 802        }
 803
 804         public List<LineToIndexTableData> BreakLine(Document doc, LineToIndexTable layoutLineCollection, int startIndex, int endIndex, double wrapwidth)
 805         {
 806             List<LineToIndexTableData> output = new List<LineToIndexTableData>();
 807
 808             this.format.WordWrapping = DW.WordWrapping.Wrap;
 809
 810             foreach (string str in doc.GetLines(startIndex, endIndex))
 811             {
 812                 DW.TextLayout layout = new DW.TextLayout(this.DWFactory, str, this.format, (float)wrapwidth, float.MaxValue);
 813
 814                 int i = startIndex;
 815                 foreach (DW.LineMetrics metrics in layout.GetLineMetrics())
 816                 {
 817                     if (metrics.Length == 0 && metrics.NewlineLength == 0)
 818                         continue;
 819
 820                     bool lineend = false;
 821                     if (metrics.NewlineLength > 0)
 822                         lineend = true;
 823
 824                     output.Add(layoutLineCollection.CreateLineToIndexTableData(i, (int)metrics.Length, lineend, null));
 825                     i += Util.RoundUp(metrics.Length);
 826                 }
 827
 828                 layout.Dispose();
 829
 830                 startIndex += str.Length;
 831             }
 832
 833             this.format.WordWrapping = DW.WordWrapping.NoWrap;
 834
 835             if (output.Count > 0)
 836                 output.Last().LineEnd = true;
 837
 838             return output;
 839         }
 840
 841         public virtual void Dispose()
 842         {
 843             this.DestructDeviceResource();
 844             this.HiddenChars.Clear();
 845             if (this.format != null)
 846                 this.format.Dispose();
 847             if(this.DWFactory != null)
 848                 this.DWFactory.Dispose();
 849             if(this.D2DFactory != null)
 850                 this.D2DFactory.Dispose();
 851         }
 852
 853         public void ConstructDeviceResource(double width, double height)
 854         {
 855             float dpiX, dpiY;
 856             this.GetDpi(out dpiX, out dpiY);
 857             D2D.RenderTargetProperties prop = new D2D.RenderTargetProperties(
 858                 D2D.RenderTargetType.Default,
 859                 new D2D.PixelFormat(DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Premultiplied),
 860                 dpiX,
 861                 dpiY,
 862                 D2D.RenderTargetUsage.None,
 863                 D2D.FeatureLevel.Level_DEFAULT);
 864
 865             this.render = this.ConstructRender(this.D2DFactory,prop,width,height);
 866
 867             this.Brushes.Render = this.render;
 868
 869             D2D.BitmapProperties bmpProp = new D2D.BitmapProperties();
 870             bmpProp.DpiX = dpiX;
 871             bmpProp.DpiY = dpiY;
 872             bmpProp.PixelFormat = new D2D.PixelFormat(DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Premultiplied);
 873             this.CachedBitmap = new D2D.Bitmap(this.render, new SharpDX.Size2((int)width, (int)height), bmpProp);
 874             this.hasCache = false;
 875
 876             this.ConstrctedResource();
 877
 878             this.textRender = new CustomTextRenderer(this.render, this.Brushes,this.Strokes, this.Foreground);
 879
 880             this.renderSize = new Size(width,height);
 881
 882             this.TextAntialiasMode = this._TextAntialiasMode;
 883         }
 884
 885 #if METRO
 886         protected virtual D2D.RenderTarget ConstructRender(D2D.Factory1 factory, D2D.RenderTargetProperties prop, double width, double height)
 887 #else
 888         protected virtual D2D.RenderTarget ConstructRender(D2D.Factory factory, D2D.RenderTargetProperties prop, double width, double height)
 889 #endif
 890         {
 891             throw new NotImplementedException();
 892         }
 893
 894         protected virtual void ConstrctedResource()
 895         {
 896             throw new NotImplementedException();
 897         }
 898
 899         public virtual void GetDpi(out float dpix,out float dpiy)
 900         {
 901             throw new NotImplementedException();
 902         }
 903
 904         protected virtual void DestructRender()
 905         {
 906             throw new NotImplementedException();
 907
 908         }
 909
 910         protected virtual void ReCreateTarget()
 911         {
 912             throw new NotImplementedException();
 913         }
 914
 915         public void DestructDeviceResource()
 916         {
 917             this.hasCache = false;
 918             if (this.CachedBitmap != null)
 919                 this.CachedBitmap.Dispose();
 920             this.Brushes.Clear();
 921             this.Strokes.Clear();
 922             this.Effects.Clear();
 923             if (this.textRender != null)
 924                 this.textRender.Dispose();
 925             this.DestructRender();
 926         }
 927
 928         void ParseLayout(MyTextLayout layout, string str)
 929         {
 930             for (int i = 0; i < str.Length; i++)
 931             {
 932                 DW.InlineObject inlineObject = this.HiddenChars.Get(layout,i, str);
 933                 if (inlineObject != null)
 934                 {
 935                     layout.SetInlineObject(inlineObject, new DW.TextRange(i, 1));
 936                     layout.SetDrawingEffect(this.Brushes.Get(this.ControlChar), new DW.TextRange(i, 1));
 937                 }
 938             }
 939             layout.SetLineBreakBrush(this.Brushes.Get(this.ControlChar));
 940         }
 941     }
 942 }