src/Tizen.NUI/src/public/Color.cs

   1 /*
   2  * Copyright(c) 2019 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 using System;
  19 using Tizen.NUI.Binding;
  20 using System.ComponentModel;
  21
  22 namespace Tizen.NUI
  23 {
  24
  25     /// <summary>
  26     /// The Color class.
  27     /// </summary>
  28     [Tizen.NUI.Binding.TypeConverter(typeof(ColorTypeConverter))]
  29     public class Color : Disposable
  30     {
  31         /// <summary>
  32         /// Gets the black colored Color class.
  33         /// </summary>
  34         /// <since_tizen> 3 </since_tizen>
  35         public static readonly Color Black = new Color(0.0f, 0.0f, 0.0f, 1.0f);
  36
  37         /// <summary>
  38         /// Gets the white colored Color class.
  39         /// </summary>
  40         /// <since_tizen> 3 </since_tizen>
  41         public static readonly Color White = new Color(1.0f, 1.0f, 1.0f, 1.0f);
  42
  43         /// <summary>
  44         /// Gets the red colored Color class.
  45         /// </summary>
  46         /// <since_tizen> 3 </since_tizen>
  47         public static readonly Color Red = new Color(1.0f, 0.0f, 0.0f, 1.0f);
  48
  49         /// <summary>
  50         /// Gets the green colored Color class.
  51         /// </summary>
  52         /// <since_tizen> 3 </since_tizen>
  53         public static readonly Color Green = new Color(0.0f, 1.0f, 0.0f, 1.0f);
  54
  55         /// <summary>
  56         /// Gets the blue colored Color class.
  57         /// </summary>
  58         /// <since_tizen> 3 </since_tizen>
  59         public static readonly Color Blue = new Color(0.0f, 0.0f, 1.0f, 1.0f);
  60
  61         /// <summary>
  62         /// Gets the yellow colored Color class.
  63         /// </summary>
  64         /// <since_tizen> 3 </since_tizen>
  65         public static readonly Color Yellow = new Color(1.0f, 1.0f, 0.0f, 1.0f);
  66
  67         /// <summary>
  68         /// Gets the magenta colored Color class.
  69         /// </summary>
  70         /// <since_tizen> 3 </since_tizen>
  71         public static readonly Color Magenta = new Color(1.0f, 0.0f, 1.0f, 1.0f);
  72
  73         /// <summary>
  74         /// Gets the cyan colored Color class.
  75         /// </summary>
  76         /// <since_tizen> 3 </since_tizen>
  77         public static readonly Color Cyan = new Color(0.0f, 1.0f, 1.0f, 1.0f);
  78
  79         /// <summary>
  80         /// Gets the  transparent colored Color class.
  81         /// </summary>
  82         /// <since_tizen> 3 </since_tizen>
  83         public static readonly Color Transparent = new Color(0.0f, 0.0f, 0.0f, 0.0f);
  84
  85         private readonly bool hashDummy;
  86
  87         /// <summary>
  88         /// Default constructor
  89         /// </summary>
  90         /// <since_tizen> 3 </since_tizen>
  91         public Color() : this(Interop.Vector4.new_Vector4__SWIG_0(), true)
  92         {
  93             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
  94         }
  95
  96
  97         /// <summary>
  98         /// The constructor.
  99         /// </summary>
 100         /// <param name="r">The red component.</param>
 101         /// <param name="g">The green component.</param>
 102         /// <param name="b">The blue component.</param>
 103         /// <param name="a">The alpha component.</param>
 104         /// <since_tizen> 3 </since_tizen>
 105         public Color(float r, float g, float b, float a) : this(Interop.Vector4.new_Vector4__SWIG_1(ValueCheck(r), ValueCheck(g), ValueCheck(b), ValueCheck(a)), true)
 106         {
 107             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 108         }
 109
 110         /// <summary>
 111         /// The conversion constructor from an array of four floats.
 112         /// </summary>
 113         /// <param name="array">array Array of R,G,B,A.</param>
 114         /// <since_tizen> 3 </since_tizen>
 115         public Color(float[] array) : this(Interop.Vector4.new_Vector4__SWIG_2(ValueCheck(array)), true)
 116         {
 117             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 118         }
 119
 120         /// <summary>
 121         /// The conversion constructor from an hexcode of four floats.
 122         /// </summary>
 123         /// <param name="hexColor">Hex color code</param>
 124         /// <since_tizen> 6 </since_tizen>
 125         /// This will be public opened in tizen_6.0 after ACR done. Before ACR, need to be hidden as inhouse API.
 126         [EditorBrowsable(EditorBrowsableState.Never)]
 127         public Color(string hexColor) : this(Interop.Vector4.new_Vector4__SWIG_0(), true)
 128         {
 129             try
 130             {
 131                 hexColor = hexColor.Replace("#", "");
 132
 133                 R = ((float)Convert.ToInt32(hexColor.Substring(0,2), 16))/255.0f;
 134                 G = ((float)Convert.ToInt32(hexColor.Substring(2,2), 16))/255.0f;
 135                 B = ((float)Convert.ToInt32(hexColor.Substring(4,2), 16))/255.0f;
 136                 A = hexColor.Length > 6 ? ((float)Convert.ToInt32(hexColor.Substring(6,2), 16))/255.0f : 1.0f;
 137             }
 138             catch
 139             {
 140                 throw new global::System.ArgumentException("Please check your hex code");
 141             }
 142         }
 143
 144         /// <summary>
 145         /// The conversion constructor from an System.Drawing.Color instance.
 146         /// </summary>
 147         /// <param name="color">System.Drawing.Color instance</param>
 148         [EditorBrowsable(EditorBrowsableState.Never)]
 149         public Color(global::System.Drawing.Color color) : this(Interop.Vector4.new_Vector4__SWIG_0(), true)
 150         {
 151             R = color.R / 255.0f;
 152             G = color.G / 255.0f;
 153             B = color.B / 255.0f;
 154             A = color.A / 255.0f;
 155         }
 156
 157         /// <summary>
 158         /// The copy constructor.
 159         /// </summary>
 160         /// <param name="other">The copy target.</param>
 161         [EditorBrowsable(EditorBrowsableState.Never)]
 162         public Color(Color other) : this(other.R, other.G, other.B, other.A)
 163         {
 164         }
 165
 166         internal Color(global::System.IntPtr cPtr, bool cMemoryOwn) : base(cPtr, cMemoryOwn)
 167         {
 168                         hashDummy = false;
 169         }
 170
 171         internal Color(ColorChangedCallback cb, float r, float g, float b, float a) : this(Interop.Vector4.new_Vector4__SWIG_1(ValueCheck(r), ValueCheck(g), ValueCheck(b), ValueCheck(a)), true)
 172         {
 173             callback = cb;
 174             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 175         }
 176
 177         internal Color(ColorChangedCallback cb, Color other) : this(cb, other.R, other.G, other.B, other.A)
 178         {
 179         }
 180
 181         internal delegate void ColorChangedCallback(float r, float g, float b, float a);
 182         private ColorChangedCallback callback = null;
 183
 184         /// <summary>
 185         /// The red component.
 186         /// </summary>
 187         /// <since_tizen> 3 </since_tizen>
 188         public float R
 189         {
 190             set
 191             {
 192                 Interop.Vector4.Vector4_r_set(swigCPtr, ValueCheck(value));
 193                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 194
 195                 callback?.Invoke(R, G, B, A);
 196             }
 197             get
 198             {
 199                 float ret = Interop.Vector4.Vector4_r_get(swigCPtr);
 200                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 201                 return ret;
 202             }
 203         }
 204
 205         /// <summary>
 206         /// The green component.
 207         /// </summary>
 208         /// <since_tizen> 3 </since_tizen>
 209         public float G
 210         {
 211             set
 212             {
 213                 Interop.Vector4.Vector4_g_set(swigCPtr, ValueCheck(value));
 214                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 215
 216                 callback?.Invoke(R, G, B, A);
 217             }
 218             get
 219             {
 220                 float ret = Interop.Vector4.Vector4_g_get(swigCPtr);
 221                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 222                 return ret;
 223             }
 224         }
 225
 226         /// <summary>
 227         /// The blue component.
 228         /// </summary>
 229         /// <since_tizen> 3 </since_tizen>
 230         public float B
 231         {
 232             set
 233             {
 234                 Interop.Vector4.Vector4_b_set(swigCPtr, ValueCheck(value));
 235                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 236
 237                 callback?.Invoke(R, G, B, A);
 238             }
 239             get
 240             {
 241                 float ret = Interop.Vector4.Vector4_b_get(swigCPtr);
 242                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 243                 return ret;
 244             }
 245         }
 246
 247         /// <summary>
 248         /// The alpha component.
 249         /// </summary>
 250         /// <since_tizen> 3 </since_tizen>
 251         public float A
 252         {
 253             set
 254             {
 255                 Interop.Vector4.Vector4_a_set(swigCPtr, ValueCheck(value));
 256                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 257
 258                 callback?.Invoke(R, G, B, A);
 259             }
 260             get
 261             {
 262                 float ret = Interop.Vector4.Vector4_a_get(swigCPtr);
 263                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 264                 return ret;
 265             }
 266         }
 267
 268         /// <summary>
 269         /// The array subscript operator overload.
 270         /// </summary>
 271         /// <param name="index">The subscript index.</param>
 272         /// <returns>The float at the given index.</returns>
 273         /// <since_tizen> 3 </since_tizen>
 274         public float this[uint index]
 275         {
 276             get
 277             {
 278                 return ValueOfIndex(index);
 279             }
 280         }
 281
 282         /// <summary>
 283         /// Converts the Color class to Vector4 class implicitly.
 284         /// </summary>
 285         /// <param name="color">A color to be converted to Vector4</param>
 286         /// <since_tizen> 3 </since_tizen>
 287         public static implicit operator Vector4(Color color)
 288         {
 289             return new Vector4(color.R, color.G, color.B, color.A);
 290         }
 291
 292         /// <summary>
 293         /// Converts Vector4 class to Color class implicitly.
 294         /// </summary>
 295         /// <param name="vec">A Vector4 to be converted to color.</param>
 296         /// <since_tizen> 3 </since_tizen>
 297         public static implicit operator Color(Vector4 vec)
 298         {
 299             return new Color(vec.R, vec.G, vec.B, vec.A);
 300         }
 301
 302         /// <summary>
 303         /// The addition operator.
 304         /// </summary>
 305         /// <param name="arg1">The first value.</param>
 306         /// <param name="arg2">The second value.</param>
 307         /// <returns>The color containing the result of the addition.</returns>
 308         /// <since_tizen> 3 </since_tizen>
 309         public static Color operator +(Color arg1, Color arg2)
 310         {
 311             Color result = arg1.Add(arg2);
 312             return ValueCheck(result);
 313         }
 314
 315         /// <summary>
 316         /// The subtraction operator.
 317         /// </summary>
 318         /// <param name="arg1">The first value.</param>
 319         /// <param name="arg2">The second value.</param>
 320         /// <returns>The color containing the result of the subtraction.</returns>
 321         /// <since_tizen> 3 </since_tizen>
 322         public static Color operator -(Color arg1, Color arg2)
 323         {
 324             Color result = arg1.Subtract(arg2);
 325             return ValueCheck(result);
 326         }
 327
 328         /// <summary>
 329         /// The unary negation operator.
 330         /// </summary>
 331         /// <param name="arg1">The target value.</param>
 332         /// <returns>The color containg the negation.</returns>
 333         /// <since_tizen> 3 </since_tizen>
 334         public static Color operator -(Color arg1)
 335         {
 336             Color result = arg1.Subtract();
 337             return ValueCheck(result);
 338         }
 339
 340         /// <summary>
 341         /// The multiplication operator.
 342         /// </summary>
 343         /// <param name="arg1">The first value.</param>
 344         /// <param name="arg2">The second value.</param>
 345         /// <returns>The color containing the result of the multiplication.</returns>
 346         /// <since_tizen> 3 </since_tizen>
 347         public static Color operator *(Color arg1, Color arg2)
 348         {
 349             Color result = arg1.Multiply(arg2);
 350             return ValueCheck(result);
 351         }
 352
 353         /// <summary>
 354         /// The multiplication operator.
 355         /// </summary>
 356         /// <param name="arg1">The first value.</param>
 357         /// <param name="arg2">The second value.</param>
 358         /// <returns>The color containing the result of the multiplication.</returns>
 359         /// <since_tizen> 3 </since_tizen>
 360         public static Color operator *(Color arg1, float arg2)
 361         {
 362             Color result = arg1.Multiply(arg2);
 363             return ValueCheck(result);
 364         }
 365
 366         /// <summary>
 367         /// The division operator.
 368         /// </summary>
 369         /// <param name="arg1">The first value.</param>
 370         /// <param name="arg2">The second value.</param>
 371         /// <returns>The color containing the result of the division.</returns>
 372         /// <since_tizen> 3 </since_tizen>
 373         public static Color operator /(Color arg1, Color arg2)
 374         {
 375             Color result = arg1.Divide(arg2);
 376             return ValueCheck(result);
 377         }
 378
 379         /// <summary>
 380         /// The division operator.
 381         /// </summary>
 382         /// <param name="arg1">The first value.</param>
 383         /// <param name="arg2">The second value.</param>
 384         /// <returns>The color containing the result of the division.</returns>
 385         /// <since_tizen> 3 </since_tizen>
 386         public static Color operator /(Color arg1, float arg2)
 387         {
 388             Color result = arg1.Divide(arg2);
 389             return ValueCheck(result);
 390         }
 391
 392         /// <summary>
 393         /// Checks if two color classes are same.
 394         /// </summary>
 395         /// <param name="rhs">A color to be compared.</param>
 396         /// <returns>If two colors are are same, then true.</returns>
 397         /// <since_tizen> 3 </since_tizen>
 398         public bool EqualTo(Color rhs)
 399         {
 400             bool ret = Interop.Vector4.Vector4_EqualTo(swigCPtr, Color.getCPtr(rhs));
 401
 402             if (rhs == null) return false;
 403
 404             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 405             return ret;
 406         }
 407
 408         /// <summary>
 409         /// Checks if two color classes are different.
 410         /// </summary>
 411         /// <param name="rhs">A color to be compared.</param>
 412         /// <returns>If two colors are are different, then true.</returns>
 413         /// <since_tizen> 3 </since_tizen>
 414         public bool NotEqualTo(Color rhs)
 415         {
 416             bool ret = Interop.Vector4.Vector4_NotEqualTo(swigCPtr, Color.getCPtr(rhs));
 417             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 418             return ret;
 419         }
 420
 421         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(Color obj)
 422         {
 423             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
 424         }
 425
 426         internal static Color GetColorFromPtr(global::System.IntPtr cPtr)
 427         {
 428             Color ret = new Color(cPtr, false);
 429             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 430             return ret;
 431         }
 432
 433         internal static Color ValueCheck(Color color)
 434         {
 435             if (color.R < 0.0f)
 436             {
 437                 color.R = 0.0f;
 438                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 439             }
 440             else if (color.R > 1.0f)
 441             {
 442                 color.R = 1.0f;
 443                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 444             }
 445             if (color.G < 0.0f)
 446             {
 447                 color.G = 0.0f;
 448                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 449             }
 450             else if (color.G > 1.0f)
 451             {
 452                 color.G = 1.0f;
 453                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 454             }
 455             if (color.B < 0.0f)
 456             {
 457                 color.B = 0.0f;
 458                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 459             }
 460             else if (color.B > 1.0f)
 461             {
 462                 color.B = 1.0f;
 463                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 464             }
 465             if (color.A < 0.0f)
 466             {
 467                 color.A = 0.0f;
 468                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 469             }
 470             else if (color.A > 1.0f)
 471             {
 472                 color.A = 1.0f;
 473                 NUILog.Error("The value of Result is invalid! Should be between [0, 1].");
 474             }
 475             return color;
 476         }
 477
 478         internal static float ValueCheck(float value)
 479         {
 480             if (value < 0.0f)
 481             {
 482                 value = 0.0f;
 483                 NUILog.Error("The value of Parameters is invalid! Should be between [0, 1].");
 484             }
 485             else if (value > 1.0f)
 486             {
 487                 value = 1.0f;
 488                 NUILog.Error("The value of Parameters is invalid! Should be between [0, 1].");
 489             }
 490             return value;
 491         }
 492
 493         internal static float[] ValueCheck(float[] arr)
 494         {
 495             for (int i = 0; i < arr.Length; i++)
 496             {
 497                 if (arr[i] < 0.0f)
 498                 {
 499                     arr[i] = 0.0f;
 500                     NUILog.Error("The value of Parameters is invalid! Should be between [0, 1].");
 501                 }
 502                 else if (arr[i] > 1.0f)
 503                 {
 504                     arr[i] = 1.0f;
 505                     NUILog.Error("The value of Parameters is invalid! Should be between [0, 1].");
 506                 }
 507             }
 508             return arr;
 509         }
 510
 511         /// This will not be public opened.
 512         [EditorBrowsable(EditorBrowsableState.Never)]
 513         protected override void ReleaseSwigCPtr(System.Runtime.InteropServices.HandleRef swigCPtr)
 514         {
 515             Interop.Vector4.delete_Vector4(swigCPtr);
 516         }
 517
 518         private Color Add(Color rhs)
 519         {
 520             Color ret = new Color(Interop.Vector4.Vector4_Add(swigCPtr, Color.getCPtr(rhs)), true);
 521             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 522             return ret;
 523         }
 524
 525         private Color AddAssign(Vector4 rhs)
 526         {
 527             Color ret = new Color(Interop.Vector4.Vector4_AddAssign(swigCPtr, Color.getCPtr(rhs)), false);
 528             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 529             return ret;
 530         }
 531
 532         private Color Subtract(Color rhs)
 533         {
 534             Color ret = new Color(Interop.Vector4.Vector4_Subtract__SWIG_0(swigCPtr, Color.getCPtr(rhs)), true);
 535             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 536             return ret;
 537         }
 538
 539         private Color SubtractAssign(Color rhs)
 540         {
 541             Color ret = new Color(Interop.Vector4.Vector4_SubtractAssign(swigCPtr, Color.getCPtr(rhs)), false);
 542             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 543             return ret;
 544         }
 545
 546         private Color Multiply(Color rhs)
 547         {
 548             Color ret = new Color(Interop.Vector4.Vector4_Multiply__SWIG_0(swigCPtr, Color.getCPtr(rhs)), true);
 549             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 550             return ret;
 551         }
 552
 553         private Color Multiply(float rhs)
 554         {
 555             Color ret = new Color(Interop.Vector4.Vector4_Multiply__SWIG_1(swigCPtr, rhs), true);
 556             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 557             return ret;
 558         }
 559
 560         private Color MultiplyAssign(Color rhs)
 561         {
 562             Color ret = new Color(Interop.Vector4.Vector4_MultiplyAssign__SWIG_0(swigCPtr, Color.getCPtr(rhs)), false);
 563             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 564             return ret;
 565         }
 566
 567         private Color MultiplyAssign(float rhs)
 568         {
 569             Color ret = new Color(Interop.Vector4.Vector4_MultiplyAssign__SWIG_1(swigCPtr, rhs), false);
 570             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 571             return ret;
 572         }
 573
 574         private Color Divide(Vector4 rhs)
 575         {
 576             Color ret = new Color(Interop.Vector4.Vector4_Divide__SWIG_0(swigCPtr, Color.getCPtr(rhs)), true);
 577             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 578             return ret;
 579         }
 580
 581         private Color Divide(float rhs)
 582         {
 583             Color ret = new Color(Interop.Vector4.Vector4_Divide__SWIG_1(swigCPtr, rhs), true);
 584             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 585             return ret;
 586         }
 587
 588         private Color DivideAssign(Color rhs)
 589         {
 590             Color ret = new Color(Interop.Vector4.Vector4_DivideAssign__SWIG_0(swigCPtr, Color.getCPtr(rhs)), false);
 591             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 592             return ret;
 593         }
 594
 595         private Color DivideAssign(float rhs)
 596         {
 597             Color ret = new Color(Interop.Vector4.Vector4_DivideAssign__SWIG_1(swigCPtr, rhs), false);
 598             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 599             return ret;
 600         }
 601
 602         private Color Subtract()
 603         {
 604             Color ret = new Color(Interop.Vector4.Vector4_Subtract__SWIG_1(swigCPtr), true);
 605             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 606             return ret;
 607         }
 608
 609         private static bool EqualsColorValue(float f1, float f2)
 610         {
 611             float EPS = (float)Math.Abs(f1 * .00001);
 612             if(Math.Abs(f1 - f2) <= EPS)
 613             {
 614                 return true;
 615             }
 616             else
 617             {
 618                 return false;
 619             }
 620         }
 621
 622         private static bool EqualsColor(Color c1, Color c2)
 623         {
 624             return EqualsColorValue(c1.R, c2.R) && EqualsColorValue(c1.G, c2.G)
 625                 && EqualsColorValue(c1.B, c2.B) && EqualsColorValue(c1.A, c2.A);
 626         }
 627
 628         /// <summary>
 629         /// Determines whether the specified object is equal to the current object.
 630         /// </summary>
 631         /// <param name="obj">The object to compare with the current object.</param>
 632         /// <returns>true if the specified object is equal to the current object; otherwise, false.</returns>
 633         /// This will be public opened in tizen_5.0 after ACR done. Before ACR, need to be hidden as inhouse API.
 634         [EditorBrowsable(EditorBrowsableState.Never)]
 635         public override bool Equals(System.Object obj)
 636         {
 637             Color color = obj as Color;
 638             bool equal = false;
 639             if (color == null)
 640             {
 641                 return equal;
 642             }
 643
 644             if (EqualsColor(this, color))
 645             {
 646                 equal = true;
 647             }
 648             return equal;
 649         }
 650
 651         /// This will be public opened in tizen_5.0 after ACR done. Before ACR, need to be hidden as inhouse API.
 652         [EditorBrowsable(EditorBrowsableState.Never)]
 653         public override int GetHashCode()
 654         {
 655             return hashDummy.GetHashCode();
 656         }
 657
 658         private float ValueOfIndex(uint index)
 659         {
 660             float ret = Interop.Vector4.Vector4_ValueOfIndex__SWIG_0(swigCPtr, index);
 661             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 662             return ret;
 663         }
 664
 665     }
 666
 667 }
 668
 669