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1 // Copyright (c) 1997-2009 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 // |
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15 |
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16 #include "SCDRAW.H" |
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17 #include "_WININC.H" |
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18 |
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19 TInt CDrawEightBppScreenBitmapColor::InitScreen() |
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20 { |
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21 TRect drawRect; |
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22 GetDrawRect(drawRect); |
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23 RWindows* window = ::WindowHandler(iScreenNo); |
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24 window->iDisplayMode = DisplayMode(); |
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25 window->iEpocBitmapSize = drawRect.Size(); |
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26 window->iEpocBitmapLinePitch = (iScanLineWords*4); |
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27 window->iPalette = iPalette; |
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28 |
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29 return KErrNone; |
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30 } |
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31 |
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32 TInt CDrawEightBppScreenBitmapColor::SetCustomPalette(const CPalette* aPalette) |
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33 { |
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34 const TInt ret = CDrawEightBppBitmapColor::SetCustomPalette(aPalette); |
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35 |
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36 if(::WindowHandler(iScreenNo)->iDisplayMode==DisplayMode()) |
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37 ::WindowHandler(iScreenNo)->iPalette = iPalette; |
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38 |
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39 if (ret == KErrNone) |
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40 { |
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41 CFbsDrawDevice* thisPtr = this; |
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42 TRegionFix<1> rgnSize(iSize); |
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43 thisPtr->Update(rgnSize); // Can't access Update directly because the most-derived implementation is private. |
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44 } |
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45 |
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46 return ret; |
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47 } |
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48 |
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49 TBool CDrawEightBppScreenBitmapColor::SetOrientation(TOrientation aOrientation) |
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50 { |
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51 if (aOrientation == iEmulatorOrientation) |
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52 return ETrue; |
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53 |
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54 SetScreenOrientation(aOrientation); |
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55 iEmulatorOrientation = aOrientation; |
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56 iOrientation = aOrientation ; |
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57 return ETrue; |
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58 } |
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59 |
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60 void CDrawEightBppScreenBitmapColor::UpdateRect(const TRect& aRect) const |
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61 { |
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62 ASSERT(aRect.iTl.iX >= 0 && aRect.iTl.iY >= 0); |
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63 #if defined(_DEBUG) |
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64 if (iOrientation&1) |
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65 { |
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66 ASSERT(aRect.iBr.iX <= iSize.iHeight); |
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67 ASSERT(aRect.iBr.iY <= iSize.iWidth); |
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68 } |
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69 else |
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70 { |
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71 ASSERT(aRect.iBr.iX <= iSize.iWidth); |
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72 ASSERT(aRect.iBr.iY <= iSize.iHeight); |
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73 } |
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74 #endif |
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75 TInt scanLineLen=iLongWidth; |
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76 TInt srcPixelStep=1; |
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77 TPoint srcStart(aRect.iTl); |
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78 switch(iOrientation) |
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79 { |
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80 case CFbsDrawDevice::EOrientationRotated90: |
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81 srcPixelStep=scanLineLen; |
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82 scanLineLen=-1; |
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83 srcStart.iX=iSize.iWidth-1-aRect.iTl.iY; |
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84 srcStart.iY=aRect.iTl.iX; |
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85 break; |
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86 case CFbsDrawDevice::EOrientationRotated180: |
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87 srcPixelStep=-1; |
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88 scanLineLen=-scanLineLen; |
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89 srcStart.iX=iSize.iWidth-1-aRect.iTl.iX; |
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90 srcStart.iY=iSize.iHeight-1-aRect.iTl.iY; |
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91 break; |
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92 case CFbsDrawDevice::EOrientationRotated270: |
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93 srcPixelStep=-scanLineLen; |
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94 scanLineLen=1; |
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95 srcStart.iX=aRect.iTl.iY; |
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96 srcStart.iY=iSize.iHeight-1-aRect.iTl.iX; |
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97 break; |
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98 } |
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99 TUint8* srcePtr = PixelAddress(srcStart.iX,srcStart.iY); |
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100 TUint8* srcePtrLimit = srcePtr + aRect.Width()*srcPixelStep; |
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101 TInt rowMax = aRect.iTl.iY+aRect.Height(); |
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102 for(TInt row = aRect.iTl.iY; row < rowMax; row++) |
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103 { |
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104 TUint8* tempSrcePtr = srcePtr; |
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105 TUint8* destPixel = WinPixelAddress(aRect.iTl.iX,row); |
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106 |
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107 while (tempSrcePtr != srcePtrLimit) |
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108 { |
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109 TRgb pixelColor = IndexToColor(*tempSrcePtr); |
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110 destPixel[0] = TUint8(pixelColor.Blue()); |
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111 destPixel[1] = TUint8(pixelColor.Green()); |
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112 destPixel[2] = TUint8(pixelColor.Red()); |
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113 |
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114 tempSrcePtr+=srcPixelStep; |
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115 destPixel += 3; |
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116 } |
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117 |
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118 srcePtr += scanLineLen; |
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119 srcePtrLimit += scanLineLen; |
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120 } |
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121 } |
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122 |