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1 // Copyright (c) 2003-2009 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 CDrawUTwentyFourBppScreenBitmap::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 |
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28 return KErrNone; |
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29 } |
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30 |
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31 TBool CDrawUTwentyFourBppScreenBitmap::SetOrientation(TOrientation aOrientation) |
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32 { |
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33 if (aOrientation == iEmulatorOrientation) |
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34 return ETrue; |
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35 |
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36 SetScreenOrientation(aOrientation); |
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37 iEmulatorOrientation = aOrientation; |
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38 iOrientation = aOrientation ; |
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39 return ETrue; |
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40 } |
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41 |
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42 void CDrawUTwentyFourBppScreenBitmap::UpdateRect(const TRect& aRect) const |
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43 { |
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44 ASSERT(aRect.iTl.iX >= 0 && aRect.iTl.iY >= 0); |
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45 #if defined(_DEBUG) |
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46 if (iOrientation&1) |
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47 { |
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48 ASSERT(aRect.iBr.iX <= iSize.iHeight); |
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49 ASSERT(aRect.iBr.iY <= iSize.iWidth); |
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50 } |
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51 else |
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52 { |
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53 ASSERT(aRect.iBr.iX <= iSize.iWidth); |
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54 ASSERT(aRect.iBr.iY <= iSize.iHeight); |
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55 } |
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56 #endif |
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57 TInt scanLineLen=iLongWidth*4; |
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58 TInt srcPixelStep=4; |
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59 TPoint srcStart(aRect.iTl); |
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60 switch(iOrientation) |
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61 { |
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62 case CFbsDrawDevice::EOrientationRotated90: |
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63 srcPixelStep=scanLineLen; |
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64 scanLineLen=-4; |
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65 srcStart.iX=iSize.iWidth-1-aRect.iTl.iY; |
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66 srcStart.iY=aRect.iTl.iX; |
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67 break; |
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68 case CFbsDrawDevice::EOrientationRotated180: |
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69 srcPixelStep=-4; |
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70 scanLineLen=-scanLineLen; |
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71 srcStart.iX=iSize.iWidth-1-aRect.iTl.iX; |
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72 srcStart.iY=iSize.iHeight-1-aRect.iTl.iY; |
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73 break; |
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74 case CFbsDrawDevice::EOrientationRotated270: |
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75 srcPixelStep=-scanLineLen; |
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76 scanLineLen=4; |
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77 srcStart.iX=aRect.iTl.iY; |
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78 srcStart.iY=iSize.iHeight-1-aRect.iTl.iX; |
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79 break; |
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80 } |
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81 TUint8* srcePtr = (TUint8*)PixelAddress(srcStart.iX,srcStart.iY); |
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82 TUint8* srcePtrLimit = srcePtr + aRect.Width()*srcPixelStep; |
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83 TInt rowMax = aRect.iTl.iY+aRect.Height(); |
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84 srcPixelStep-=3; // as we increment while reading it |
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85 for(TInt row = aRect.iTl.iY; row < rowMax; row++) |
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86 { |
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87 TUint8* tempSrcePtr = srcePtr; |
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88 TUint8* destPixel = WinPixelAddress(aRect.iTl.iX,row); |
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89 |
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90 while (tempSrcePtr != srcePtrLimit) |
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91 { |
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92 *destPixel++=*tempSrcePtr++; |
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93 *destPixel++=*tempSrcePtr++; |
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94 *destPixel++=*tempSrcePtr++; |
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95 tempSrcePtr += srcPixelStep; |
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96 } |
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97 srcePtr+=scanLineLen; |
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98 srcePtrLimit+=scanLineLen; |
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99 } |
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100 } |