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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // This module implements the class for a 32ap bpp color screen with premultiplied |
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15 // alpha. |
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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 @file |
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21 */ |
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22 |
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23 #include <hal.h> |
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24 #include <e32std.h> |
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25 #include <bitdraw.h> |
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26 #include "scdraw.h" |
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27 |
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28 |
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29 void CDrawThirtyTwoBppScreenBitmapAlphaPM::SetSize(const TSize& aSize) |
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30 { |
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31 CDrawBitmap::SetSize(aSize); |
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32 __ASSERT_DEBUG(iSize == aSize, User::Invariant()); |
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33 iLongWidth = iScanLineWords; |
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34 } |
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35 |
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36 void CDrawThirtyTwoBppScreenBitmapAlphaPM::SetDisplayMode(CFbsDrawDevice* aDrawDevice) |
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37 { |
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38 CopyOldSettings(aDrawDevice) ; |
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39 InitScreen() ; |
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40 } |
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41 |
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42 TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::HorzTwipsPerThousandPixels() const |
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43 { |
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44 if (iSize.iWidth == 0) |
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45 return 0; |
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46 |
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47 TInt displayMode; |
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48 TInt r = HAL::Get(iScreenNo, HAL::EDisplayMode, displayMode); |
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49 if (r != KErrNone) |
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50 return 0; |
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51 |
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52 TInt width = displayMode; |
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53 r = HAL::Get(iScreenNo, HAL::EDisplayXTwips, width); |
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54 if (r != KErrNone) |
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55 return 0; |
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56 |
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57 return (width * 1000) / iSize.iWidth; |
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58 } |
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59 |
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60 TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::VertTwipsPerThousandPixels() const |
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61 { |
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62 if (iSize.iHeight == 0) |
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63 return 0; |
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64 |
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65 TInt displayMode; |
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66 TInt r = HAL::Get(iScreenNo, HAL::EDisplayMode, displayMode); |
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67 if (r != KErrNone) |
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68 return 0; |
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69 TInt height = displayMode; |
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70 r = HAL::Get(iScreenNo, HAL::EDisplayYTwips, height); |
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71 if (r != KErrNone) |
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72 return 0; |
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73 |
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74 return (height * 1000) / iSize.iHeight; |
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75 } |
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76 |
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77 TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::InitScreen() |
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78 { |
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79 return KErrNone ; |
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80 } |
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81 |
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82 TInt CDrawThirtyTwoBppScreenBitmapAlphaPM::ConstructScreenL(TInt aScreenNo, TAny* aBitmapAddress, TSize aSize) |
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83 { |
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84 iScreenNo = aScreenNo; |
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85 TInt displayMode; |
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86 TInt ret = HAL::Get(aScreenNo, HALData::EDisplayMode, displayMode); |
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87 if (ret != KErrNone) |
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88 return ret; |
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89 |
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90 TInt linepitchInBytes = displayMode; |
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91 ret = HAL::Get(aScreenNo,HALData::EDisplayOffsetBetweenLines,linepitchInBytes); |
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92 if (ret != KErrNone) |
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93 return ret; |
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94 |
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95 iScanLineWords = linepitchInBytes / 4; |
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96 ret = CDrawThirtyTwoBppBitmapAlphaPM::Construct(aSize); |
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97 if (ret != KErrNone) |
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98 return ret; |
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99 |
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100 TInt offsetToFirstPixel = displayMode; |
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101 ret = HAL::Get(aScreenNo,HALData::EDisplayOffsetToFirstPixel, offsetToFirstPixel); |
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102 if (ret != KErrNone) |
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103 return ret; |
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104 |
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105 iBits = (TUint32*)((TUint32)aBitmapAddress + offsetToFirstPixel); |
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106 return KErrNone; |
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107 } |
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108 |
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109 void CDrawThirtyTwoBppScreenBitmapAlphaPM::OrientationsAvailable(TBool aOrientation[4]) |
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110 { |
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111 aOrientation[EOrientationNormal] = ETrue ; |
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112 aOrientation[EOrientationRotated90] = ETrue ; |
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113 aOrientation[EOrientationRotated180] = ETrue ; |
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114 aOrientation[EOrientationRotated270] = ETrue ; |
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115 } |
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116 |
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117 TBool CDrawThirtyTwoBppScreenBitmapAlphaPM::SetOrientation(TOrientation aOrientation) |
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118 { |
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119 iOrientation = aOrientation ; |
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120 return ETrue ; |
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121 } |
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122 |
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123 |
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124 |
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125 |
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126 |