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1 /* |
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2 * Copyright (c) 2008 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: Class for rendering bitmap based indicators |
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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 CAMBITMAPITEM_H |
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20 #define CAMBITMAPITEM_H |
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21 |
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22 #include <e32std.h> |
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23 #include <e32base.h> |
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24 #include <AknUtils.h> |
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25 |
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26 class CFbsBitmap; |
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27 class TAknTextComponentLayout; |
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28 class CBitmapContext; |
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29 |
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30 /** |
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31 * Class for rendering bitmap based indicators on top of viewfinder. |
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32 * |
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33 * CCamBitmapItem can be used to draw bitmaps on the screen in a way |
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34 * that is compatible with S60 Posting based overlays. The mask |
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35 * is also written in the alpha channel of the screen buffer to allow |
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36 * it to be overlaid on top of the viewfinder. |
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37 * |
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38 * @since S60 v5.0 |
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39 */ |
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40 class CCamBitmapItem : public CBase |
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41 { |
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42 public: |
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43 /** |
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44 * Two-phased constructor for non-skinned bitmaps. |
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45 */ |
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46 static CCamBitmapItem* NewL( |
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47 TInt aBitmapId, |
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48 TInt aMaskId ); |
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49 |
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50 /** |
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51 * Two-phased constructor for skinnable bitmaps. |
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52 */ |
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53 static CCamBitmapItem* NewL( |
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54 TInt aBitmapId, |
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55 TInt aMaskId, |
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56 const TAknsItemID& aID ); |
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57 |
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58 /** |
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59 * Destructor. |
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60 */ |
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61 virtual ~CCamBitmapItem(); |
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62 |
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63 public: |
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64 /** |
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65 * Set the layout for the item. |
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66 * |
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67 * @since S60 v5.0 |
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68 * @param aParentRect Rectangle for the parent layout item |
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69 * @param aLayout A TAknWindowComponentLayout containing the layout |
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70 * details for this item. Usually this can be retrieved |
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71 * using the AknLayout2 API. |
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72 */ |
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73 void SetLayoutL( |
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74 const TRect& aParentRect, |
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75 const TAknWindowComponentLayout& aLayout ); |
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76 |
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77 /** |
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78 * Set the layout for the item. |
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79 * |
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80 * @since S60 v5.0 |
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81 */ |
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82 void SetLayoutL( |
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83 const TRect& aRect ); |
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84 |
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85 /** |
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86 * Render this item in a bitmap based graphics context. |
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87 * |
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88 * @since S60 v5.0 |
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89 * @param aBitmapContext Graphics context to draw into. |
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90 */ |
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91 void Draw( CBitmapContext& aBitmapContext ) const; |
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92 |
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93 /** |
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94 * Render a part of this item in a bitmap based graphics context. |
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95 * |
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96 * @since S60 v5.0 |
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97 * @param aBitmapContext Graphics context to draw into. |
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98 * @param aDestRect Destination rect on the context |
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99 * @param aCropRect Crop rectangle specifying which part of the |
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100 * bitmap should be drawn. |
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101 */ |
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102 void DrawPartial( |
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103 CBitmapContext& aBitmapContext, |
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104 const TRect& aDestRect, |
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105 const TRect& aCropRect ) const; |
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106 |
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107 /** |
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108 * Get the size of the bitmap in pixels. |
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109 * |
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110 * @return Bitmap size in pixels (or size from layout if bitmap not |
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111 * available). |
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112 */ |
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113 TSize BitmapSize() const; |
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114 |
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115 /** |
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116 * Get the layout rect of the bitmap in pixels. |
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117 * |
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118 * @return Layout Ret in pixels |
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119 */ |
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120 TRect LayoutRect() const; |
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121 |
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122 private: |
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123 |
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124 CCamBitmapItem(); |
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125 |
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126 void ConstructL( |
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127 TInt aBitmapId, |
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128 TInt aMaskId ); |
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129 |
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130 void ConstructL( |
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131 TInt aBitmapId, |
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132 TInt aMaskId, |
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133 const TAknsItemID& aID ); |
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134 |
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135 private: // data |
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136 |
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137 // own |
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138 CFbsBitmap* iBitmap; |
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139 |
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140 // own |
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141 CFbsBitmap* iMask; |
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142 |
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143 TRect iRect; |
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144 |
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145 TBool iScalableIcon; |
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146 }; |
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147 |
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148 #endif // CAMTEXTITEM_H |