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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 "GfxRectangularShape.h" |
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20 #include "GfxRectangle2D.h" |
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21 |
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22 |
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23 // --------------------------------------------------------------------------- |
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24 // Constructor |
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25 // --------------------------------------------------------------------------- |
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26 // -------------------------------------------------------------------------- |
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27 // TGfxRectangularShape::TGfxRectangularShape() |
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28 // --------------------------------------------------------------------------- |
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29 TGfxRectangularShape::TGfxRectangularShape() |
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30 { |
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31 } |
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32 |
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33 // -------------------------------------------------------------------------- |
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34 // TGfxRectangularShape::TGfxRectangularShape( const TFloatFixPt& aX, |
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35 // --------------------------------------------------------------------------- |
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36 TGfxRectangularShape::TGfxRectangularShape( const TFloatFixPt& aX, |
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37 const TFloatFixPt& aY, |
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38 const TFloatFixPt& aWidth, |
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39 const TFloatFixPt& aHeight ) |
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40 :iWidth(aWidth), |
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41 iHeight(aHeight), |
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42 iX(aX), |
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43 iY(aY) |
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44 { |
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45 } |
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46 |
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47 |
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48 // -------------------------------------------------------------------------- |
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49 // void TGfxRectangularShape::GetBounds( const TGfxAffineTransform& aAt, |
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50 // --------------------------------------------------------------------------- |
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51 void TGfxRectangularShape::GetBounds( const TGfxAffineTransform& aAt, |
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52 TGfxRectangle2D& aRect ) |
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53 { |
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54 TGfxPoint2D p[4]; |
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55 p[0].iX = iX; |
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56 p[0].iY = iY; |
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57 p[1].iX = iX + iWidth; |
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58 p[1].iY = iY; |
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59 p[2].iX = iX + iWidth; |
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60 p[2].iY = iY + iHeight; |
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61 p[3].iX = iX; |
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62 p[3].iY = iY + iHeight; |
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63 aAt.Transform( p, p, 4 ); |
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64 |
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65 TFloatFixPt xMin( KMAXFLOATFIX ), yMin( KMAXFLOATFIX ), xMax( KMINFLOATFIX ), yMax( KMINFLOATFIX ); |
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66 for ( TInt32 i = 0; i < 4; i++ ) |
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67 { |
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68 if ( p[i].iX < xMin ) |
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69 xMin = p[i].iX; |
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70 if ( p[i].iX > xMax ) |
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71 xMax = p[i].iX; |
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72 if ( p[i].iY < yMin ) |
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73 yMin = p[i].iY; |
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74 if ( p[i].iY > yMax ) |
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75 yMax = p[i].iY; |
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76 } |
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77 |
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78 aRect.iX = xMin; |
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79 aRect.iY = yMin; |
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80 aRect.iWidth = xMax - xMin; |
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81 aRect.iHeight = yMax - yMin; |
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82 } |
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83 |
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84 // -------------------------------------------------------------------------- |
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85 // TFloatFixPt TGfxRectangularShape::AreaSize() |
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86 // --------------------------------------------------------------------------- |
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87 TFloatFixPt TGfxRectangularShape::AreaSize() |
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88 { |
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89 if ( iWidth > KMAXFLOATFIX || iHeight > KMAXFLOATFIX ) |
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90 { |
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91 TInt area = ( ( TInt ) iWidth ) * ( ( TInt ) iHeight ); |
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92 if ( area < KMAXFLOATFIXVALUE ) |
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93 return TFloatFixPt( area ); |
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94 else |
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95 return KMAXFLOATFIX; |
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96 } |
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97 else |
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98 { |
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99 return iWidth * iHeight; |
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100 } |
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101 } |
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102 |
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103 // -------------------------------------------------------------------------- |
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104 // TFloatFixPt TGfxRectangularShape::CenterX() |
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105 // --------------------------------------------------------------------------- |
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106 TFloatFixPt TGfxRectangularShape::CenterX() |
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107 { |
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108 #ifdef SVG_FLOAT_BUILD |
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109 return ( iX + (iWidth * TFloatFixPt(.5f))); |
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110 #else |
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111 return ( iX + (iWidth >> 1)); |
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112 #endif |
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113 } |
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114 |
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115 |
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116 // -------------------------------------------------------------------------- |
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117 // TFloatFixPt TGfxRectangularShape::CenterY() |
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118 // --------------------------------------------------------------------------- |
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119 TFloatFixPt TGfxRectangularShape::CenterY() |
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120 { |
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121 #ifdef SVG_FLOAT_BUILD |
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122 return ( iY + (iHeight * TFloatFixPt(.5f))) ; |
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123 #else |
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124 return ( iY + (iHeight >> 1)) ; |
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125 #endif |
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126 } |
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127 |
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128 |
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129 // -------------------------------------------------------------------------- |
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130 // TFloatFixPt TGfxRectangularShape::MinX() |
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131 // --------------------------------------------------------------------------- |
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132 TFloatFixPt TGfxRectangularShape::MinX() |
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133 { |
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134 return TFloatFixPt( iX ); |
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135 } |
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136 |
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137 // -------------------------------------------------------------------------- |
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138 // TFloatFixPt TGfxRectangularShape::MinY() |
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139 // --------------------------------------------------------------------------- |
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140 TFloatFixPt TGfxRectangularShape::MinY() |
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141 { |
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142 return TFloatFixPt( iY ); |
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143 } |
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144 |
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145 // -------------------------------------------------------------------------- |
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146 // TFloatFixPt TGfxRectangularShape::MaxX() |
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147 // --------------------------------------------------------------------------- |
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148 TFloatFixPt TGfxRectangularShape::MaxX() |
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149 { |
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150 return TFloatFixPt( iX + iWidth ); |
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151 } |
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152 |
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153 // -------------------------------------------------------------------------- |
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154 // TFloatFixPt TGfxRectangularShape::MaxY() |
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155 // --------------------------------------------------------------------------- |
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156 TFloatFixPt TGfxRectangularShape::MaxY() |
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157 { |
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158 return TFloatFixPt( iY + iHeight ); |
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159 } |
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160 |