Common/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     sealed 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         D2D.Bitmap bitmap;
 190         D2D.RenderTarget render;
 191         CustomTextRenderer textRender;
 192         int tabLength = 8;
 193         bool hasCache, _ShowLineBreak;
 194         Size renderSize = new Size();
 195         Color4 _Comment, _Literal, _Keyword1, _Keyword2;
 196
 197         public D2DRenderCommon()
 198         {
 199             this.DWFactory = new DW.Factory(DW.FactoryType.Shared);
 200 #if METRO
 201             this.D2DFactory = new D2D.Factory1(D2D.FactoryType.MultiThreaded);
 202 #else
 203             this.D2DFactory = new D2D.Factory(D2D.FactoryType.MultiThreaded);
 204 #endif
 205             this.Strokes.Factory = this.D2DFactory;
 206             this.ChangedRenderResource += (s, e) => { };
 207             this.ChangedRightToLeft += (s, e) => { };
 208         }
 209
 210         public event ChangedRenderResourceEventHandler ChangedRenderResource;
 211
 212         public event EventHandler ChangedRightToLeft;
 213
 214         public void InitTextFormat(string fontName, float fontSize, DW.FontWeight fontWeigth = DW.FontWeight.Normal,DW.FontStyle fontStyle = DW.FontStyle.Normal)
 215         {
 216             if(this.format != null)
 217                 this.format.Dispose();
 218
 219             this.format = new DW.TextFormat(this.DWFactory, fontName,fontWeigth,fontStyle, fontSize / 72.0f * 96.0f);
 220             this.format.WordWrapping = DW.WordWrapping.NoWrap;
 221
 222             if (this.HiddenChars == null)
 223             {
 224                 this.HiddenChars = new InlineManager(this.DWFactory, this.format, this.ControlChar, this.Brushes);
 225                 this.HiddenChars.TabWidth = this.HiddenChars.TabWidth;
 226             }
 227             else
 228                 this.HiddenChars.Format = this.format;
 229
 230             this.hasCache = false;
 231
 232             DW.TextLayout layout = new DW.TextLayout(this.DWFactory, "0", this.format, float.MaxValue, float.MaxValue);
 233             layout.ReadingDirection = DW.ReadingDirection.LeftToRight;
 234             this.emSize = new Size(layout.Metrics.WidthIncludingTrailingWhitespace, layout.Metrics.Height);
 235
 236             layout = new DW.TextLayout(this.DWFactory, "+", this.format, float.MaxValue, float.MaxValue);
 237             layout.ReadingDirection = DW.ReadingDirection.LeftToRight;
 238             this.FoldingWidth = layout.Metrics.Width;
 239
 240             this.ChangedRenderResource(this,new ChangedRenderRsourceEventArgs(ResourceType.Font));
 241         }
 242
 243         public bool RightToLeft
 244         {
 245             get
 246             {
 247                 return this.format.ReadingDirection == DW.ReadingDirection.RightToLeft;
 248             }
 249             set
 250             {
 251                 this.format.ReadingDirection = value ? DW.ReadingDirection.RightToLeft : DW.ReadingDirection.LeftToRight;
 252                 this.ChangedRightToLeft(this, null);
 253             }
 254         }
 255
 256         public TextAntialiasMode TextAntialiasMode
 257         {
 258             get
 259             {
 260                 return this._TextAntialiasMode;
 261             }
 262             set
 263             {
 264                 if (this.render == null)
 265                     throw new InvalidOperationException();
 266                 this._TextAntialiasMode = value;
 267                 this.render.TextAntialiasMode = (D2D.TextAntialiasMode)value;
 268                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Antialias));
 269             }
 270         }
 271
 272         public bool ShowFullSpace
 273         {
 274             get
 275             {
 276                 if (this.HiddenChars == null)
 277                     return false;
 278                 else
 279                     return this.HiddenChars.ContainsSymbol('　');
 280             }
 281             set
 282             {
 283                 if (this.HiddenChars == null)
 284                     throw new InvalidOperationException();
 285                 if (value)
 286                     this.HiddenChars.AddSymbol('　', '□');
 287                 else
 288                     this.HiddenChars.RemoveSymbol('　');
 289                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.InlineChar));
 290             }
 291         }
 292
 293         public bool ShowHalfSpace
 294         {
 295             get
 296             {
 297                 if (this.HiddenChars == null)
 298                     return false;
 299                 else
 300                     return this.HiddenChars.ContainsSymbol(' ');
 301             }
 302             set
 303             {
 304                 if (this.HiddenChars == null)
 305                     throw new InvalidOperationException();
 306                 if (value)
 307                     this.HiddenChars.AddSymbol(' ', 'ﾛ');
 308                 else
 309                     this.HiddenChars.RemoveSymbol(' ');
 310                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.InlineChar));
 311             }
 312         }
 313
 314         public bool ShowTab
 315         {
 316             get
 317             {
 318                 if (this.HiddenChars == null)
 319                     return false;
 320                 else
 321                     return this.HiddenChars.ContainsSymbol('\t');
 322             }
 323             set
 324             {
 325                 if (this.HiddenChars == null)
 326                     throw new InvalidOperationException();
 327                 if (value)
 328                     this.HiddenChars.AddSymbol('\t', '>');
 329                 else
 330                     this.HiddenChars.RemoveSymbol('\t');
 331                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.InlineChar));
 332             }
 333         }
 334
 335         public bool ShowLineBreak
 336         {
 337             get
 338             {
 339                 return this._ShowLineBreak;
 340             }
 341             set
 342             {
 343                 this._ShowLineBreak = value;
 344                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.InlineChar));
 345             }
 346         }
 347
 348         public Color4 Foreground
 349         {
 350             get
 351             {
 352                 return this._Forground;
 353             }
 354             set
 355             {
 356                 if (this.render == null)
 357                     return;
 358                 this._Forground = value;
 359                 if (this.textRender != null)
 360                     this.textRender.DefaultFore = value;
 361                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 362             }
 363         }
 364
 365         public Color4 Background
 366         {
 367             get;
 368             set;
 369         }
 370
 371         public Color4 InsertCaret
 372         {
 373             get;
 374             set;
 375         }
 376
 377         public Color4 OverwriteCaret
 378         {
 379             get;
 380             set;
 381         }
 382
 383         public Color4 LineMarker
 384         {
 385             get;
 386             set;
 387         }
 388
 389         public Color4 ControlChar
 390         {
 391             get
 392             {
 393                 return this._ControlChar;
 394             }
 395             set
 396             {
 397                 if (this.render == null)
 398                     return;
 399                 this._ControlChar = value;
 400                 if (this.HiddenChars != null)
 401                     this.HiddenChars.Fore = value;
 402                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 403             }
 404         }
 405
 406         public Color4 Url
 407         {
 408             get
 409             {
 410                 return this._URL;
 411             }
 412             set
 413             {
 414                 if (this.render == null)
 415                     return;
 416
 417                 this._URL = value;
 418                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 419             }
 420         }
 421
 422         public Color4 Hilight
 423         {
 424             get
 425             {
 426                 return this._Hilight;
 427             }
 428             set
 429             {
 430                 this._Hilight = value;
 431             }
 432         }
 433
 434         public Color4 Comment
 435         {
 436             get
 437             {
 438                 return this._Comment;
 439             }
 440             set
 441             {
 442                 this._Comment = value;
 443                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 444             }
 445         }
 446
 447         public Color4 Literal
 448         {
 449             get
 450             {
 451                 return this._Literal;
 452             }
 453             set
 454             {
 455                 this._Literal = value;
 456                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 457             }
 458         }
 459
 460         public Color4 Keyword1
 461         {
 462             get
 463             {
 464                 return this._Keyword1;
 465             }
 466             set
 467             {
 468                 this._Keyword1 = value;
 469                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 470             }
 471         }
 472
 473         public Color4 Keyword2
 474         {
 475             get
 476             {
 477                 return this._Keyword2;
 478             }
 479             set
 480             {
 481                 this._Keyword2 = value;
 482                 this.ChangedRenderResource(this, new ChangedRenderRsourceEventArgs(ResourceType.Brush));
 483             }
 484         }
 485
 486         public Rectangle ClipRect
 487         {
 488             get;
 489             set;
 490         }
 491
 492         public double LineNemberWidth
 493         {
 494             get
 495             {
 496                 return this.emSize.Width * (EditView.LineNumberLength + 1);
 497             }
 498         }
 499
 500         public double FoldingWidth
 501         {
 502             get;
 503             private set;
 504         }
 505
 506         public int TabWidthChar
 507         {
 508             get { return this.tabLength; }
 509             set
 510             {
 511                 this.tabLength = value;
 512                 DW.TextLayout layout = new DW.TextLayout(this.DWFactory, "0", this.format, float.MaxValue, float.MaxValue);
 513                 float width = (float)(layout.Metrics.Width * value);
 514                 this.HiddenChars.TabWidth = width;
 515                 this.format.IncrementalTabStop = width;
 516             }
 517         }
 518
 519         public Size emSize
 520         {
 521             get;
 522             private set;
 523         }
 524
 525         public void DrawGripper(Point p, double radius)
 526         {
 527             D2D.Ellipse ellipse = new D2D.Ellipse();
 528             ellipse.Point = p;
 529             ellipse.RadiusX = (float)radius;
 530             ellipse.RadiusY = (float)radius;
 531             this.render.FillEllipse(ellipse, this.Brushes.Get(this.Background));
 532             this.render.DrawEllipse(ellipse, this.Brushes.Get(this.Foreground));
 533         }
 534
 535         public void ReConstructDeviceResource()
 536         {
 537             this.ReConstructDeviceResource(this.renderSize.Width, this.renderSize.Height);
 538         }
 539
 540         public void ReConstructDeviceResource(double width, double height)
 541         {
 542             this.DestructDeviceResource();
 543             this.ConstructDeviceResource(width, height);
 544         }
 545
 546         public void DrawCachedBitmap(Rectangle rect)
 547         {
 548             if (this.render == null || this.render.IsDisposed)
 549                 return;
 550             render.DrawBitmap(this.bitmap, rect, 1.0f, D2D.BitmapInterpolationMode.Linear, rect);
 551         }
 552
 553         public void CacheContent()
 554         {
 555             if (this.render == null || this.bitmap == null || this.bitmap.IsDisposed || this.render.IsDisposed)
 556                 return;
 557             render.Flush();
 558             this.bitmap.CopyFromRenderTarget(this.render, new SharpDX.Point(), new SharpDX.Rectangle(0, 0, (int)this.renderSize.Width, (int)this.renderSize.Height));
 559             this.hasCache = true;
 560         }
 561
 562         public bool IsVaildCache()
 563         {
 564             return this.hasCache;
 565         }
 566
 567         public void BegineDraw()
 568         {
 569             if (this.render == null || this.render.IsDisposed)
 570                 return;
 571             this.render.BeginDraw();
 572             this.render.AntialiasMode = D2D.AntialiasMode.Aliased;
 573         }
 574
 575         public void EndDraw()
 576         {
 577             if (this.render == null || this.render.IsDisposed)
 578                 return;
 579             this.render.AntialiasMode = D2D.AntialiasMode.PerPrimitive;
 580             this.render.EndDraw();
 581         }
 582
 583         public void DrawString(string str, double x, double y, StringAlignment align, Size layoutRect)
 584         {
 585             if (this.render == null || this.render.IsDisposed)
 586                 return;
 587             float dpix, dpiy;
 588             this.GetDpi(out dpix,out dpiy);
 589             MyTextLayout layout = new MyTextLayout(this.DWFactory, str, this.format, (float)layoutRect.Width, (float)layoutRect.Height,dpix,false);
 590             layout.StringAlignment = align;
 591             D2D.SolidColorBrush brush = this.Brushes.Get(this.Foreground);
 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             const float lineMarkerThickness = 2;
 605             if (this.render == null || this.render.IsDisposed)
 606                 return;
 607             D2D.SolidColorBrush brush = null;
 608             switch(type)
 609             {
 610                 case FillRectType.OverwriteCaret:
 611                     brush = this.Brushes.Get(this.OverwriteCaret);
 612                     this.render.FillRectangle(rect, brush);
 613                     break;
 614                 case FillRectType.InsertCaret:
 615                     brush = this.Brushes.Get(this.InsertCaret);
 616                     this.render.FillRectangle(rect, brush);
 617                     break;
 618                 case FillRectType.InsertPoint:
 619                     brush = this.Brushes.Get(this.Hilight);
 620                     this.render.FillRectangle(rect, brush);
 621                     break;
 622                 case FillRectType.LineMarker:
 623                     brush = this.Brushes.Get(this.LineMarker);
 624                     this.render.DrawRectangle(rect, brush, lineMarkerThickness);
 625                     break;
 626             }
 627         }
 628
 629         public void FillBackground(Rectangle rect)
 630         {
 631             if (this.render == null || this.render.IsDisposed)
 632                 return;
 633             this.render.Clear(this.Background);
 634         }
 635
 636         public void DrawOneLine(LineToIndexTable lti, int row, double x, double y, IEnumerable<Selection> SelectRanges,PreDrawOneLineHandler PreDrawOneLine)
 637         {
 638             int lineLength = lti.GetLengthFromLineNumber(row);
 639
 640             if (lineLength == 0 || this.render == null || this.render.IsDisposed)
 641                 return;
 642
 643             MyTextLayout layout = (MyTextLayout)lti.GetLayout(row);
 644
 645             this.render.PushAxisAlignedClip(this.ClipRect, D2D.AntialiasMode.Aliased);
 646
 647             if(PreDrawOneLine != null)
 648                 PreDrawOneLine(layout);
 649
 650             if (SelectRanges != null)
 651             {
 652                 foreach (Selection sel in SelectRanges)
 653                 {
 654                     if (sel.length == 0 || sel.start == -1)
 655                         continue;
 656
 657                     this.DrawMarkerEffect(layout, HilightType.Select, sel.start, sel.length, x, y, false);
 658                 }
 659             }
 660
 661             layout.Draw(textRender, (float)x, (float)y);
 662
 663             this.render.PopAxisAlignedClip();
 664         }
 665
 666         public void SetTextColor(MyTextLayout layout,int start, int length, Color4? color)
 667         {
 668             if (color == null)
 669                 return;
 670             layout.SetDrawingEffect(this.Brushes.Get((Color4)color), new DW.TextRange(start, length));
 671         }
 672
 673         public void DrawLine(Point from, Point to)
 674         {
 675             D2D.Brush brush = this.Brushes.Get(this.Foreground);
 676             D2D.StrokeStyle stroke = this.Strokes.Get(HilightType.Sold);
 677             this.render.DrawLine(from, to, brush, 1.0f, stroke);
 678         }
 679
 680         public void DrawMarkerEffect(MyTextLayout layout, HilightType type, int start, int length, double x, double y, bool isBold, Color4? effectColor = null)
 681         {
 682             if (type == HilightType.None)
 683                 return;
 684
 685             float thickness = isBold ? 2 : 1;
 686
 687             Color4 color;
 688             if (effectColor != null)
 689                 color = (Color4)effectColor;
 690             else if (type == HilightType.Select)
 691                 color = this.Hilight;
 692             else
 693                 color = this.Foreground;
 694
 695             IMarkerEffecter effecter = null;
 696             D2D.SolidColorBrush brush = this.Brushes.Get(color);
 697
 698             if (type == HilightType.Squiggle)
 699                 effecter = new D2DSquilleLineMarker(this.render, brush, this.Strokes.Get(HilightType.Squiggle), thickness);
 700             else if (type == HilightType.Select)
 701                 effecter = new HilightMarker(this.render, brush);
 702             else if (type == HilightType.None)
 703                 effecter = null;
 704             else
 705                 effecter = new LineMarker(this.render, brush, this.Strokes.Get(type), thickness);
 706
 707             if (effecter != null)
 708             {
 709                 bool isUnderline = type != HilightType.Select;
 710
 711                 DW.HitTestMetrics[] metrics = layout.HitTestTextRange(start, length, (float)x, (float)y);
 712                 foreach (DW.HitTestMetrics metric in metrics)
 713                 {
 714                     float offset = isUnderline ? metric.Height : 0;
 715                     effecter.Draw(metric.Left, metric.Top + offset, metric.Width, metric.Height);
 716                 }
 717             }
 718         }
 719
 720         public ITextLayout CreateLaytout(string str, SyntaxInfo[] syntaxCollection, IEnumerable<Marker> MarkerRanges)
 721         {
 722             float dpix,dpiy;
 723             this.GetDpi(out dpix,out dpiy);
 724
 725             bool hasNewLine = str.Length > 0 && str[str.Length - 1] == Document.NewLine;
 726             MyTextLayout newLayout = new MyTextLayout(this.DWFactory,
 727                 str,
 728                 this.format,
 729                 this.ClipRect.Width,
 730                 this.ClipRect.Height,
 731                 dpiy,
 732                 hasNewLine && this._ShowLineBreak);
 733             ParseLayout(newLayout, str);
 734             if (syntaxCollection != null)
 735             {
 736                 foreach (SyntaxInfo s in syntaxCollection)
 737                 {
 738                     D2D.SolidColorBrush brush = this.Brushes.Get(this.Foreground);
 739                     switch (s.type)
 740                     {
 741                         case TokenType.Comment:
 742                             brush = this.Brushes.Get(this.Comment);
 743                             break;
 744                         case TokenType.Keyword1:
 745                             brush = this.Brushes.Get(this.Keyword1);
 746                             break;
 747                         case TokenType.Keyword2:
 748                             brush = this.Brushes.Get(this.Keyword2);
 749                             break;
 750                         case TokenType.Literal:
 751                             brush = this.Brushes.Get(this.Literal);
 752                             break;
 753                     }
 754                     newLayout.SetDrawingEffect(brush, new DW.TextRange(s.index, s.length));
 755                 }
 756             }
 757
 758             if (MarkerRanges != null)
 759             {
 760                 foreach (Marker m in MarkerRanges)
 761                 {
 762                     if (m.start == -1 || m.length == 0)
 763                         continue;
 764                     Color4 color = new Color4(m.R / 255.0f, m.G / 255.0f, m.B / 255.0f, m.A / 255.0f);
 765                     if (m.hilight == HilightType.Url)
 766                         color = this.Url;
 767                     newLayout.SetDrawingEffect(this.Effects.Get(color, m.hilight), new DW.TextRange(m.start, m.length));
 768                 }
 769             }
 770
 771             return newLayout;
 772        }
 773
 774         public List<LineToIndexTableData> BreakLine(Document doc, LineToIndexTable layoutLineCollection, int startIndex, int endIndex, double wrapwidth)
 775         {
 776             List<LineToIndexTableData> output = new List<LineToIndexTableData>();
 777
 778             this.format.WordWrapping = DW.WordWrapping.Wrap;
 779
 780             foreach (string str in doc.GetLines(startIndex, endIndex))
 781             {
 782                 DW.TextLayout layout = new DW.TextLayout(this.DWFactory, str, this.format, (float)wrapwidth, float.MaxValue);
 783
 784                 int i = startIndex;
 785                 foreach (DW.LineMetrics metrics in layout.GetLineMetrics())
 786                 {
 787                     if (metrics.Length == 0 && metrics.NewlineLength == 0)
 788                         continue;
 789
 790                     bool lineend = false;
 791                     if (metrics.NewlineLength > 0)
 792                         lineend = true;
 793
 794                     output.Add(layoutLineCollection.CreateLineToIndexTableData(i, (int)metrics.Length, lineend, null));
 795                     i += Util.RoundUp(metrics.Length);
 796                 }
 797
 798                 layout.Dispose();
 799
 800                 startIndex += str.Length;
 801             }
 802
 803             this.format.WordWrapping = DW.WordWrapping.NoWrap;
 804
 805             if (output.Count > 0)
 806                 output.Last().LineEnd = true;
 807
 808             return output;
 809         }
 810
 811         public void Dispose()
 812         {
 813             this.DestructDeviceResource();
 814             this.HiddenChars.Clear();
 815             if (this.format != null)
 816                 this.format.Dispose();
 817             if(this.DWFactory != null)
 818                 this.DWFactory.Dispose();
 819             if(this.D2DFactory != null)
 820                 this.D2DFactory.Dispose();
 821         }
 822
 823         public void ConstructDeviceResource(double width, double height)
 824         {
 825             float dpiX, dpiY;
 826             this.GetDpi(out dpiX, out dpiY);
 827             D2D.RenderTargetProperties prop = new D2D.RenderTargetProperties(
 828                 D2D.RenderTargetType.Default,
 829                 new D2D.PixelFormat(DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Ignore),
 830                 dpiX,
 831                 dpiY,
 832                 D2D.RenderTargetUsage.None,
 833                 D2D.FeatureLevel.Level_DEFAULT);
 834
 835             this.render = this.ConstructRender(this.D2DFactory,prop,width,height);
 836
 837             this.Brushes.Render = this.render;
 838
 839             D2D.BitmapProperties bmpProp = new D2D.BitmapProperties();
 840             bmpProp.DpiX = dpiX;
 841             bmpProp.DpiY = dpiY;
 842             bmpProp.PixelFormat = new D2D.PixelFormat(DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Ignore);
 843             this.bitmap = new D2D.Bitmap(this.render, new SharpDX.Size2((int)width, (int)height), bmpProp);
 844             this.hasCache = false;
 845
 846             this.ConstrctedResource();
 847
 848             this.textRender = new CustomTextRenderer(this.render, this.Brushes,this.Strokes, this.Foreground);
 849
 850             this.renderSize.Width = width;
 851             this.renderSize.Height = height;
 852
 853             this.TextAntialiasMode = this._TextAntialiasMode;
 854         }
 855
 856 #if METRO
 857         public System.Func<D2D.Factory1,D2D.RenderTargetProperties,double,double,D2D.RenderTarget> ConstructRender;
 858 #else
 859         public System.Func<D2D.Factory,D2D.RenderTargetProperties,double,double,D2D.RenderTarget> ConstructRender;
 860 #endif
 861         public System.Action ConstrctedResource;
 862
 863         public GetDpiHandler GetDpi;
 864
 865         public System.Action DestructRender;
 866
 867         public System.Action ReCreateTarget;
 868
 869         public void DestructDeviceResource()
 870         {
 871             this.hasCache = false;
 872             if (this.bitmap != null)
 873                 this.bitmap.Dispose();
 874             this.Brushes.Clear();
 875             this.Strokes.Clear();
 876             this.Effects.Clear();
 877             if (this.textRender != null)
 878                 this.textRender.Dispose();
 879             this.DestructRender();
 880         }
 881
 882         void ParseLayout(MyTextLayout layout, string str)
 883         {
 884             for (int i = 0; i < str.Length; i++)
 885             {
 886                 DW.InlineObject inlineObject = this.HiddenChars.Get(layout,i, str);
 887                 if (inlineObject != null)
 888                 {
 889                     layout.SetInlineObject(inlineObject, new DW.TextRange(i, 1));
 890                     layout.SetDrawingEffect(this.Brushes.Get(this.ControlChar), new DW.TextRange(i, 1));
 891                 }
 892             }
 893             layout.SetLineBreakBrush(this.Brushes.Get(this.ControlChar));
 894         }
 895     }
 896 }