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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Graphics Extension Library header file |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef GFXCOLOR_H |
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20 #define GFXCOLOR_H |
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21 |
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22 #include <e32std.h> |
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23 #include <fbs.h> |
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24 |
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25 #include "GfxPaint.h" |
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26 |
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27 #include <VG/openvg.h> |
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28 |
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29 #include "VGRenderer.h" |
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30 |
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31 /** |
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32 * This class is an implementation of a color. |
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33 * |
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34 * @lib Gfx2D.lib |
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35 * @since 1.0 |
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36 */ |
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37 class TGfxColor : public MGfxPaint |
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38 { |
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39 public: |
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40 |
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41 |
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42 /** |
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43 * Construct a TGfxColor from an integer value. |
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44 * |
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45 * @since 1.0 |
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46 * @param aRgb : integer color value. |
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47 * @return |
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48 */ |
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49 TGfxColor( TUint32 aValue ); |
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50 |
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51 /** |
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52 * Construct a TGfxColor from r, g, b values. |
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53 * |
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54 * @since 1.0 |
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55 * @param aRed : red component |
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56 * @param aGreen : green component |
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57 * @param aBlue : blue component |
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58 * @return |
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59 */ |
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60 TGfxColor( TInt aRed, TInt aGreen, TInt aBlue ); |
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61 |
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62 |
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63 /** |
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64 * Return the integer representation of this color. |
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65 * |
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66 * @since 1.0 |
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67 * @return integer representation of color. |
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68 */ |
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69 TUint16 ColorRgb(); |
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70 |
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71 /** |
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72 * Return 4-bits for red, 4-bits for green, 4-bits for blue |
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73 * integer representation of this color. |
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74 * |
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75 * @since 1.0 |
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76 * @return 4x4x4 bits integer representation of color. |
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77 */ |
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78 TUint16 ColorRgb444(); |
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79 |
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80 /** |
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81 * Return 5-bits for red, 6-bits for green, 5-bits for blue |
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82 * integer representation of this color. |
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83 * |
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84 * @since 1.0 |
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85 * @return 5x6x5 bits integer representation of color. |
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86 */ |
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87 TUint16 ColorRgb565(); |
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88 |
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89 /** |
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90 * Return an integer representation of a color after blending |
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91 * the two colors given by integer values. |
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92 * |
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93 * @since 1.0 |
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94 * @param aAlpha : the alpha channel value to blend. |
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95 * @param aCs1 : color 1 to blend |
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96 * @param aCs2 : color 2 to blend |
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97 * @return integer representation of color. |
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98 */ |
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99 static TUint32 BlendRgb444( TUint32 aAlpha, |
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100 TUint32 aCs1, |
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101 TUint32 aCs2 ); |
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102 |
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103 /** |
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104 * Implementation of MGfxPaint method to get an array of color values. |
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105 * The given buffer array is filled with this color value. |
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106 * |
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107 * @since 1.0 |
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108 * @param aBuf : color array to holder color values |
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109 * @param aLength : number of color values to fill. |
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110 * @param x : not used by this class |
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111 * @param y : not used by this class |
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112 * @return |
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113 */ |
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114 // void GetScanline( TUint8* aBuf, |
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115 // TInt32 aLength, |
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116 // TInt32 x, |
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117 // TInt32 y ); |
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118 |
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119 /** |
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120 * Return an integer representation of this color. |
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121 * This method should be renamed! |
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122 * |
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123 * @since 1.0 |
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124 * @return integer representation of color. |
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125 */ |
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126 TUint32 GetColor(); |
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127 TUint32 GetARGB(); |
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128 TUint32 GetABGR(); |
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129 |
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130 |
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131 |
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132 |
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133 void SetFill(VGPaint aFillPaint, TGfxRectangle2D& aBBox, TFloatFixPt aOpacity,void* GfxContext); |
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134 public: |
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135 TUint32 iColor; |
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136 }; |
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137 |
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138 |
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139 #endif // GFXCOLOR_H |