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