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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 GFXLINE2D_H |
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20 #define GFXLINE2D_H |
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21 |
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22 #include <e32std.h> |
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23 |
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24 |
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25 #include "GfxFloatFixPt.h" |
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26 #include "GfxRectangle2D.h" |
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27 #include "GfxRectangularShape.h" |
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28 #include "GfxPoint2D.h" |
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29 #include "GfxPathIterator.h" |
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30 #include "GfxAffineTransform.h" |
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31 |
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32 |
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33 |
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34 /** |
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35 * Implementation of a line. |
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36 * |
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37 * @lib Gfx2D.lib |
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38 * @since 1.0 |
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39 */ |
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40 class TGfxLine2D : public MGfxShape |
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41 { |
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42 public: |
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43 |
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44 /** |
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45 * Contructor. |
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46 * |
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47 * @since 1.0 |
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48 * @param aX1 : x coordinate of starting point. |
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49 * @param aY1 : y coordinate of starting point. |
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50 * @param aX2 : x coordinate of ending point. |
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51 * @param aY2 : y coordinate of ending point. |
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52 * @return |
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53 */ |
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54 TGfxLine2D( const TFloatFixPt& aX1, |
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55 const TFloatFixPt& aY1, |
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56 const TFloatFixPt& aX2, |
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57 const TFloatFixPt& aY2 ); |
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58 |
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59 /** |
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60 * Contructor. |
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61 * |
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62 * @since 1.0 |
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63 * @param aP1 : starting point. |
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64 * @param aP2 : ending point. |
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65 * @return |
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66 */ |
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67 TGfxLine2D( TGfxPoint2D aP1, TGfxPoint2D aP2 ); |
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68 |
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69 // |
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70 |
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71 /** |
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72 * Get the length of this line. |
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73 * |
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74 * @since 1.0 |
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75 * @return length |
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76 */ |
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77 TFloatFixPt Length(); |
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78 |
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79 // Implementation of MGfShape |
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80 |
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81 /** |
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82 * Get the bounding box. |
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83 * |
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84 * @since 1.0 |
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85 * @param aAt : transform to apply. |
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86 * @param aRect : storage of bounding box info. |
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87 * @return |
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88 */ |
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89 void GetBounds( const TGfxAffineTransform& aAt, |
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90 TGfxRectangle2D& aRect ); |
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91 |
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92 /** |
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93 * Get the path iterator for this line. |
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94 * |
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95 * @since 1.0 |
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96 * @param aAt : transform to apply. |
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97 * @param aPitr : storage for iterator. |
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98 * @return |
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99 */ |
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100 void GetPathIteratorL( TGfxAffineTransform* aAt, |
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101 CGfxPathIterator*& aPitr ); |
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102 |
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103 /** |
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104 * Get the path iterator for this line. |
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105 * |
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106 * @since 1.0 |
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107 * @param aAt : transform to apply. |
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108 * @param aLimit : maximum of point to define iterator. |
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109 * @param aPitr : storage for iterator. |
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110 * @return |
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111 */ |
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112 void GetPathIteratorL( TGfxAffineTransform* aAt, |
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113 TInt aLimit, |
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114 CGfxPathIterator*& aPitr ); |
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115 |
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116 /** |
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117 * Get area of this line: zero. |
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118 * |
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119 * @since 1.0 |
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120 * @return |
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121 */ |
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122 TFloatFixPt AreaSize(); |
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123 |
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124 |
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125 /* Return shape type */ |
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126 inline virtual TInt ShapeType () { return ELine; }; |
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127 |
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128 public: |
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129 TFloatFixPt iX1; |
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130 TFloatFixPt iY1; |
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131 TFloatFixPt iX2; |
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132 TFloatFixPt iY2; |
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133 }; |
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134 |
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135 #endif // GFXLINE2D_H |