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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 "GfxLine2D.h" |
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20 #include "GfxLineIteratorP.h" |
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21 |
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22 #include "GfxFloatFixPt.h" |
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23 |
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24 // --------------------------------------------------------------------------- |
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25 // Constructor |
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26 // --------------------------------------------------------------------------- |
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27 // -------------------------------------------------------------------------- |
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28 // TGfxLine2D::TGfxLine2D( const TFloatFixPt& aX1, |
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29 // --------------------------------------------------------------------------- |
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30 TGfxLine2D::TGfxLine2D( const TFloatFixPt& aX1, |
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31 const TFloatFixPt& aY1, |
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32 const TFloatFixPt& aX2, |
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33 const TFloatFixPt& aY2 ) : |
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34 iX1( aX1 ), |
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35 iY1( aY1 ), |
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36 iX2( aX2 ), |
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37 iY2( aY2 ) |
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38 { |
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39 } |
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40 |
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41 // -------------------------------------------------------------------------- |
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42 // TGfxLine2D::TGfxLine2D( TGfxPoint2D /* aP1 */, TGfxPoint2D /* aP2 */ ) |
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43 // --------------------------------------------------------------------------- |
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44 TGfxLine2D::TGfxLine2D( TGfxPoint2D /* aP1 */, TGfxPoint2D /* aP2 */ ) |
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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 // From MGfxShape |
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50 // --------------------------------------------------------------------------- |
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51 // -------------------------------------------------------------------------- |
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52 // void TGfxLine2D::GetBounds( const TGfxAffineTransform& aAt, |
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53 // --------------------------------------------------------------------------- |
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54 void TGfxLine2D::GetBounds( const TGfxAffineTransform& aAt, |
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55 TGfxRectangle2D& aRect ) |
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56 { |
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57 TGfxPoint2D p1( iX1, iY1 ), p2( iX2, iY2 ); |
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58 aAt.Transform( &p1, & p1, 1 ); |
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59 aAt.Transform( &p2, & p2, 1 ); |
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60 aRect.iX = ( p1.iX > p2.iX ) ? p2.iX : p1.iX; |
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61 aRect.iY = ( p1.iY > p2.iY ) ? p2.iY : p1.iY; |
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62 aRect.iWidth = ( p1.iX > p2.iX ) ? p1.iX - p2.iX : p2.iX - p1.iX; |
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63 aRect.iHeight = ( p1.iY > p2.iY ) ? p1.iY - p2.iY : p2.iY - p1.iY; |
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64 } |
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65 |
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66 // -------------------------------------------------------------------------- |
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67 // void TGfxLine2D::GetPathIteratorL( TGfxAffineTransform* aAt, |
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68 // --------------------------------------------------------------------------- |
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69 void TGfxLine2D::GetPathIteratorL( TGfxAffineTransform* aAt, |
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70 CGfxPathIterator*& aPitr ) |
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71 { |
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72 aPitr = ( CGfxPathIterator * ) new( ELeave ) |
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73 CGfxLineIteratorP( this, aAt ); |
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74 } |
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75 |
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76 // -------------------------------------------------------------------------- |
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77 // void TGfxLine2D::GetPathIteratorL( TGfxAffineTransform* aAt, |
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78 // --------------------------------------------------------------------------- |
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79 void TGfxLine2D::GetPathIteratorL( TGfxAffineTransform* aAt, |
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80 TInt /* aLimit */, |
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81 CGfxPathIterator*& aPitr ) |
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82 { |
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83 aPitr = new( ELeave ) CGfxLineIteratorP( this, aAt ); |
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84 } |
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85 |
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86 // -------------------------------------------------------------------------- |
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87 // TFloatFixPt TGfxLine2D::Length() |
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88 // --------------------------------------------------------------------------- |
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89 TFloatFixPt TGfxLine2D::Length() |
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90 { |
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91 TFloatFixPt dx, dy, int0x7f( KMAXFLOATFIX ); |
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92 |
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93 dx = iX1 - iX2; |
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94 dy = iY1 - iY2; |
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95 if ( dx > int0x7f || dy > int0x7f ) |
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96 { |
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97 // calculate as integer |
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98 TInt32 tmplen, tx, ty; |
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99 tx = ( TInt32 ) dx; |
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100 ty = ( TInt32 ) dy; |
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101 #ifdef SVG_FLOAT_BUILD |
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102 tmplen = TFloatFixPt::Sqrt( tx * tx + ty * ty ); |
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103 #else |
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104 tmplen = TFloatFixPt::FixedSqrtGeneral( tx * tx + ty * ty, 0 ); |
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105 #endif |
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106 return TFloatFixPt( tmplen ); |
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107 } |
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108 |
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109 return TFloatFixPt::Sqrt( dx * dx + dy * dy ); |
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110 } |
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111 |
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112 // -------------------------------------------------------------------------- |
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113 // TFloatFixPt TGfxLine2D::AreaSize() |
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114 // --------------------------------------------------------------------------- |
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115 TFloatFixPt TGfxLine2D::AreaSize() |
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116 { |
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117 return TFloatFixPt( 0 ); |
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118 } |
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119 |