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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 source 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 #include "GfxRenderingHints.h" |
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20 |
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21 |
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22 const TUint32 KCurveQualityMask = 0x00000007; // bit 0-2 |
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23 const TUint32 KVisibilityMask = 0x00000008; // bit 3 |
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24 const TUint32 KFontEngineMask = 0x00000010; // bit 4 |
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25 |
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26 |
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27 // -------------------------------------------------------------------------- |
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28 // TGfxRenderingHints::TGfxRenderingHints() |
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29 // --------------------------------------------------------------------------- |
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30 TGfxRenderingHints::TGfxRenderingHints() |
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31 { |
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32 iHintBits = KVisibilityMask; // Default visibility = visible |
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33 iHintBits |= ( KCurveQualityMask & 2 ); // Default Flattening level = 2 |
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34 |
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35 // Notes: |
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36 // KFontEngineMask bitp is 0 -> use scalable font as default |
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37 } |
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38 |
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39 |
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40 // ========================================================================== |
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41 // Visibility |
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42 // ========================================================================== |
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43 // -------------------------------------------------------------------------- |
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44 // void TGfxRenderingHints::SetVisibility( TBool aVisibility ) |
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45 // --------------------------------------------------------------------------- |
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46 void TGfxRenderingHints::SetVisibility( TBool aVisibility ) |
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47 { |
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48 if ( aVisibility ) |
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49 { |
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50 iHintBits |= KVisibilityMask; |
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51 } |
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52 else |
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53 { |
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54 iHintBits &= ~KVisibilityMask; |
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55 } |
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56 } |
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57 |
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58 // -------------------------------------------------------------------------- |
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59 // TBool TGfxRenderingHints::Visibility() |
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60 // --------------------------------------------------------------------------- |
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61 TBool TGfxRenderingHints::Visibility() |
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62 { |
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63 return ( ( iHintBits & KVisibilityMask ) != 0 ); |
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64 } |
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65 |
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66 // ========================================================================== |
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67 // Curve quality |
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68 // ========================================================================== |
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69 // -------------------------------------------------------------------------- |
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70 // void TGfxRenderingHints::SetCurveQuality( TInt aCurveQuality ) |
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71 // --------------------------------------------------------------------------- |
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72 void TGfxRenderingHints::SetCurveQuality( TInt aCurveQuality ) |
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73 { |
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74 iHintBits &= ~KCurveQualityMask; // clear |
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75 iHintBits |= ( KCurveQualityMask & aCurveQuality ); // set |
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76 } |
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77 |
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78 // -------------------------------------------------------------------------- |
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79 // TInt TGfxRenderingHints::CurveQuality() |
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80 // --------------------------------------------------------------------------- |
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81 TInt TGfxRenderingHints::CurveQuality() |
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82 { |
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83 return ( iHintBits & KCurveQualityMask ); |
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84 } |
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85 |
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86 // ========================================================================== |
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87 // switch rendering engine (Open Font system/bitmap font) |
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88 // ========================================================================== |
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89 // -------------------------------------------------------------------------- |
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90 // void TGfxRenderingHints::SetFastFontRendering( TBool aFastFontRendering ) |
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91 // --------------------------------------------------------------------------- |
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92 void TGfxRenderingHints::SetFastFontRendering( TBool aFastFontRendering ) |
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93 { |
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94 if ( aFastFontRendering ) |
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95 { |
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96 iHintBits |= KFontEngineMask; |
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97 } |
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98 else |
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99 { |
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100 iHintBits &= ~KFontEngineMask; |
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101 } |
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102 } |
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103 |
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104 // -------------------------------------------------------------------------- |
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105 // TBool TGfxRenderingHints::FastFontRendering() |
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106 // --------------------------------------------------------------------------- |
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107 TBool TGfxRenderingHints::FastFontRendering() |
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108 { |
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109 return ( ( iHintBits & KFontEngineMask ) != 0 ); |
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110 } |
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111 |
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112 |
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113 // -------------------------------------------------------------------------- |
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114 // void TGfxRenderingHints::SetShapeAntiAliasing( TBool /* aShapeAntiAliasing */ ) |
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115 // --------------------------------------------------------------------------- |
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116 void TGfxRenderingHints::SetShapeAntiAliasing( TBool /* aShapeAntiAliasing */ ) |
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117 { |
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118 } |
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119 |
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120 // -------------------------------------------------------------------------- |
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121 // TBool TGfxRenderingHints::ShapeAntiAliasing() |
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122 // --------------------------------------------------------------------------- |
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123 TBool TGfxRenderingHints::ShapeAntiAliasing() |
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124 { |
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125 return EFalse; |
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126 } |
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127 |
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128 // -------------------------------------------------------------------------- |
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129 // TGfxImageInterpolation TGfxRenderingHints::ImageInterpolation() |
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130 // --------------------------------------------------------------------------- |
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131 TGfxImageInterpolation TGfxRenderingHints::ImageInterpolation() |
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132 { |
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133 return EGfxInterpolationNearestNeighbor; |
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134 } |
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135 |