mcs/class/System.Drawing/System.Drawing.Imaging/ColorMatrix.cs

   1 //
   2 // Copyright 2002 Ximian, Inc.  http://www.ximian.com
   3 // Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24 //
  25 // Authors:
  26 //   Jordi Mas i Hernandez (jordi@ximian.com)
  27 //
  28 // Partially based on work by:
  29 //
  30 //   Everaldo Canuto (everaldo.canuto@bol.com.br)
  31 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
  32 //   Dennis Hayes (dennish@raytek.com)
  33 //
  34
  35 using System.Runtime.InteropServices;
  36
  37 namespace System.Drawing.Imaging
  38 {
  39         [StructLayout (LayoutKind.Sequential)]
  40         public sealed class ColorMatrix
  41         {
  42                 private float color00;
  43                 private float color01;
  44                 private float color02;
  45                 private float color03;
  46                 private float color04;
  47                 private float color10;
  48                 private float color11;
  49                 private float color12;
  50                 private float color13;
  51                 private float color14;
  52                 private float color20;
  53                 private float color21;
  54                 private float color22;
  55                 private float color23;
  56                 private float color24;
  57                 private float color30;
  58                 private float color31;
  59                 private float color32;
  60                 private float color33;
  61                 private float color34;
  62                 private float color40;
  63                 private float color41;
  64                 private float color42;
  65                 private float color43;
  66                 private float color44;
  67
  68                 // constructors
  69                 public ColorMatrix ()
  70                 {
  71                         color01 = color02 = color03 = color04 = 0;
  72                         color10 = color12 = color13 = color14 = 0;
  73                         color20 = color21 = color23 = color24 = 0;
  74                         color30 = color31 = color32 = color34 = 0;
  75                         color40 = color41 = color42 = color43 = 0;
  76                         color00 = color11 = color22 = color33 = color44 = 1;
  77                 }
  78
  79                 [CLSCompliant(false)]
  80                 public ColorMatrix (float[][] matrix)
  81                 {
  82                         color00 = matrix [0][0];
  83                         color01 = matrix [0][1];
  84                         color02 = matrix [0][2];
  85                         color03 = matrix [0][3];
  86                         color04 = matrix [0][4];
  87                         color10 = matrix [1][0];
  88                         color11 = matrix [1][1];
  89                         color12 = matrix [1][2];
  90                         color13 = matrix [1][3];
  91                         color14 = matrix [1][4];
  92                         color20 = matrix [2][0];
  93                         color21 = matrix [2][1];
  94                         color22 = matrix [2][2];
  95                         color23 = matrix [2][3];
  96                         color24 = matrix [2][4];
  97                         color30 = matrix [3][0];
  98                         color31 = matrix [3][1];
  99                         color32 = matrix [3][2];
 100                         color33 = matrix [3][3];
 101                         color34 = matrix [3][4];
 102                         color40 = matrix [4][0];
 103                         color41 = matrix [4][1];
 104                         color42 = matrix [4][2];
 105                         color43 = matrix [4][3];
 106                         color44 = matrix [4][4];
 107                 }
 108
 109                 // properties
 110                 public float this[int row, int column] {
 111                         get {
 112                                 switch (row) {
 113                                 case 0: {
 114                                         switch (column) {
 115                                         case 0: return color00;
 116                                         case 1: return color01;
 117                                         case 2: return color02;
 118                                         case 3: return color03;
 119                                         case 4: return color04;
 120                                         default: break;
 121                                         }
 122                                         break;
 123                                 }
 124                                 case 1: {
 125                                         switch (column) {
 126                                         case 0: return color10;
 127                                         case 1: return color11;
 128                                         case 2: return color12;
 129                                         case 3: return color13;
 130                                         case 4: return color14;
 131                                         default: break;
 132                                         }
 133                                         break;
 134                                 }
 135                                 case 2: {
 136                                         switch (column) {
 137                                         case 0: return color20;
 138                                         case 1: return color21;
 139                                         case 2: return color22;
 140                                         case 3: return color23;
 141                                         case 4: return color24;
 142                                         default: break;
 143                                         }
 144                                         break;
 145                                 }
 146                                 case 3: {
 147                                         switch (column) {
 148                                         case 0: return color30;
 149                                         case 1: return color31;
 150                                         case 2: return color32;
 151                                         case 3: return color33;
 152                                         case 4: return color34;
 153                                         default: break;
 154                                         }
 155                                         break;
 156                                 }
 157                                 case 4: {
 158                                         switch (column) {
 159                                         case 0: return color40;
 160                                         case 1: return color41;
 161                                         case 2: return color42;
 162                                         case 3: return color43;
 163                                         case 4: return color44;
 164                                         default: break;
 165                                         }
 166                                         break;
 167                                 }
 168                                 default:
 169                                         break;
 170                                 }
 171
 172                                 throw new IndexOutOfRangeException ("Index was outside the bounds of the array");
 173                         }
 174
 175                         set {
 176                                 switch (row) {
 177                                 case 0: {
 178                                         switch (column) {
 179                                         case 0: color00 = value; return;
 180                                         case 1: color01 = value; return;
 181                                         case 2: color02 = value; return;
 182                                         case 3: color03 = value; return;
 183                                         case 4: color04 = value; return;
 184                                         default: break;
 185                                         }
 186                                         break;
 187                                 }
 188                                 case 1: {
 189                                         switch (column) {
 190                                         case 0: color10 = value; return;
 191                                         case 1: color11 = value; return;
 192                                         case 2: color12 = value; return;
 193                                         case 3: color13 = value; return;
 194                                         case 4: color14 = value; return;
 195                                         default: break;
 196                                         }
 197                                         break;
 198                                 }
 199                                 case 2: {
 200                                         switch (column) {
 201                                         case 0: color20 = value; return;
 202                                         case 1: color21 = value; return;
 203                                         case 2: color22 = value; return;
 204                                         case 3: color23 = value; return;
 205                                         case 4: color24 = value; return;
 206                                         default: break;
 207                                         }
 208                                         break;
 209                                 }
 210                                 case 3: {
 211                                         switch (column) {
 212                                         case 0: color30 = value; return;
 213                                         case 1: color31 = value; return;
 214                                         case 2: color32 = value; return;
 215                                         case 3: color33 = value; return;
 216                                         case 4: color34 = value; return;
 217                                         default: break;
 218                                         }
 219                                         break;
 220                                 }
 221                                 case 4: {
 222                                         switch (column) {
 223                                         case 0: color40 = value; return;
 224                                         case 1: color41 = value; return;
 225                                         case 2: color42 = value; return;
 226                                         case 3: color43 = value; return;
 227                                         case 4: color44 = value; return;
 228                                         default: break;
 229                                         }
 230                                         break;
 231                                 }
 232                                 default:
 233                                         break;
 234                                 }
 235
 236                                 throw new IndexOutOfRangeException ("Index was outside the bounds of the array");
 237                         }
 238                 }
 239
 240
 241                 public float Matrix00 {
 242                         get { return color00; }
 243                         set { color00 = value; }
 244                 }
 245
 246                 public float Matrix01 {
 247                         get { return color01; }
 248                         set { color01 = value; }
 249                 }
 250
 251                 public float Matrix02 {
 252                         get { return color02; }
 253                         set { color02 = value; }
 254                 }
 255
 256                 public float Matrix03 {
 257                         get { return color03; }
 258                         set { color03 = value; }
 259                 }
 260
 261                 public float Matrix04 {
 262                         get { return color04; }
 263                         set { color04 = value; }
 264                 }
 265
 266                 public float Matrix10 {
 267                         get { return color10; }
 268                         set { color10 = value; }
 269                 }
 270
 271                 public float Matrix11 {
 272                         get { return color11; }
 273                         set { color11 = value; }
 274                 }
 275
 276                 public float Matrix12 {
 277                         get { return color12; }
 278                         set { color12 = value; }
 279                 }
 280
 281                 public float Matrix13 {
 282                         get { return color13; }
 283                         set { color13 = value; }
 284                 }
 285
 286                 public float Matrix14 {
 287                         get { return color14; }
 288                         set { color14 = value; }
 289                 }
 290
 291                 public float Matrix20 {
 292                         get { return color20; }
 293                         set { color20 = value; }
 294                 }
 295
 296                 public float Matrix21 {
 297                         get { return color21; }
 298                         set { color21 = value; }
 299                 }
 300
 301                 public float Matrix22 {
 302                         get { return color22; }
 303                         set { color22 = value; }
 304                 }
 305
 306                 public float Matrix23 {
 307                         get { return color23; }
 308                         set { color23 = value; }
 309                 }
 310
 311                 public float Matrix24 {
 312                         get { return color24; }
 313                         set { color24 = value; }
 314                 }
 315
 316                 public float Matrix30 {
 317                         get { return color30; }
 318                         set { color30 = value; }
 319                 }
 320
 321                 public float Matrix31 {
 322                         get { return color31; }
 323                         set { color31 = value; }
 324                 }
 325
 326                 public float Matrix32 {
 327                         get { return color32; }
 328                         set { color32 = value; }
 329                 }
 330
 331                 public float Matrix33 {
 332                         get { return color33; }
 333                         set { color33 = value; }
 334                 }
 335
 336                 public float Matrix34 {
 337                         get { return color34; }
 338                         set { color34 = value; }
 339                 }
 340
 341                 public float Matrix40 {
 342                         get { return color40; }
 343                         set { color40 = value; }
 344                 }
 345
 346                 public float Matrix41 {
 347                         get { return color41; }
 348                         set { color41 = value; }
 349                 }
 350
 351                 public float Matrix42 {
 352                         get { return color42; }
 353                         set { color42 = value; }
 354                 }
 355
 356                 public float Matrix43 {
 357                         get { return color43; }
 358                         set { color43 = value; }
 359                 }
 360
 361                 public float Matrix44 {
 362                         get { return color44; }
 363                         set { color44 = value; }
 364                 }
 365
 366
 367                 static internal IntPtr Alloc (ColorMatrix cm)
 368                 {
 369                         if (cm == null)
 370                                 return IntPtr.Zero;
 371
 372                         IntPtr result = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (ColorMatrix)));
 373                         Marshal.StructureToPtr (cm, result, false);
 374                         return result;
 375                 }
 376
 377                 static internal void Free (IntPtr cm)
 378                 {
 379                         if (cm != IntPtr.Zero)
 380                                 Marshal.FreeHGlobal (cm);
 381                 }
 382         }
 383 }