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1 /* |
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2 * Copyright (c) 2006 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: Symbian specific screen buffer drawer |
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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 |
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20 #include "alf/alfsymbiansbdrawer.h" |
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21 #include "alf/alfscreenbuffer.h" |
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22 #include <uiacceltk/HuiUtil.h> |
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23 #include <fbs.h> |
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24 |
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25 struct CAlfSymbianBufferDrawer::TPrivData |
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26 { |
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27 CFbsBitmap* iBitmap; |
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28 CFbsBitmap* iMask; |
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29 }; |
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30 |
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31 CAlfSymbianBufferDrawer::CAlfSymbianBufferDrawer() |
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32 { |
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33 } |
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34 |
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35 CAlfSymbianBufferDrawer::~CAlfSymbianBufferDrawer() |
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36 { |
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37 if (iPrivData) |
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38 { |
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39 delete iPrivData->iBitmap; |
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40 delete iPrivData->iMask; |
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41 delete iPrivData; |
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42 } |
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43 } |
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44 |
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45 CAlfSymbianBufferDrawer* CAlfSymbianBufferDrawer::NewL() |
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46 { |
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47 CAlfSymbianBufferDrawer* self = new (ELeave) CAlfSymbianBufferDrawer; |
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48 CleanupStack::PushL(self); |
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49 self->ConstructL(); |
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50 CleanupStack::Pop(); |
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51 return self; |
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52 } |
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53 |
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54 void CAlfSymbianBufferDrawer::ConstructL() |
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55 { |
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56 iPrivData = new (ELeave) TPrivData; |
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57 Mem::FillZ(iPrivData, sizeof(TPrivData)); |
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58 } |
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59 |
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60 |
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61 EXPORT_C void CAlfSymbianBufferDrawer::ReleaseDrawer() |
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62 { |
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63 delete this; |
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64 } |
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65 |
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66 EXPORT_C void CAlfSymbianBufferDrawer::DrawBuffer(CBitmapContext& aContext, const TPoint& aPos, const TRect& aRect) |
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67 { |
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68 if (iPrivData && iPrivData->iBitmap) |
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69 { |
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70 aContext.BitBlt(aPos,iPrivData->iBitmap, aRect); |
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71 } |
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72 } |
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73 |
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74 EXPORT_C void CAlfSymbianBufferDrawer::DrawBufferMasked(CBitmapContext& aContext, const CFbsBitmap* aMask,const TPoint& aPos, const TRect& aRect) |
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75 { |
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76 if (iPrivData && iPrivData->iBitmap && aMask) |
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77 { |
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78 aContext.BitBltMasked(aPos,iPrivData->iBitmap, aRect,aMask, EFalse); |
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79 } |
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80 else |
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81 { |
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82 DrawBuffer(aContext, aPos, aRect); |
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83 } |
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84 } |
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85 |
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86 EXPORT_C void CAlfSymbianBufferDrawer::GetBufferBitmaps(CFbsBitmap*& aBitmap, CFbsBitmap*& aMask) const |
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87 { |
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88 if (iPrivData) |
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89 { |
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90 if (iPrivData->iBitmap) |
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91 { |
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92 aBitmap = iPrivData->iBitmap; |
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93 } |
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94 if (iPrivData->iMask) |
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95 { |
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96 aMask = iPrivData->iMask; |
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97 } |
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98 } |
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99 } |
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100 |
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101 void CAlfSymbianBufferDrawer::SetBufferL(TInt aBitmapHandle, TInt aMaskHandle) |
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102 { |
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103 __ASSERT_DEBUG(iPrivData, USER_INVARIANT()); |
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104 if (iPrivData && iPrivData->iBitmap) |
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105 { |
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106 delete iPrivData->iBitmap; |
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107 iPrivData->iBitmap = NULL; |
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108 } |
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109 if (iPrivData && iPrivData->iMask) |
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110 { |
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111 delete iPrivData->iMask; |
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112 iPrivData->iMask = NULL; |
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113 } |
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114 |
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115 |
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116 if (aBitmapHandle) |
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117 { |
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118 iPrivData->iBitmap = new (ELeave) CFbsBitmap; |
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119 User::LeaveIfError(iPrivData->iBitmap->Duplicate(aBitmapHandle)); |
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120 } |
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121 if (aMaskHandle) |
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122 { |
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123 iPrivData->iMask = new (ELeave) CFbsBitmap; |
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124 User::LeaveIfError(iPrivData->iMask->Duplicate(aMaskHandle)); |
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125 } |
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126 } |
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127 |