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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 CDrawOneBppScreenBitmap::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 void CDrawOneBppScreenBitmap::OrientationsAvailable(TBool aOrientation[4]) |
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32 { |
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33 aOrientation[EOrientationNormal] = ETrue; |
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34 aOrientation[EOrientationRotated90] = EFalse; |
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35 aOrientation[EOrientationRotated180] = EFalse; |
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36 aOrientation[EOrientationRotated270] = EFalse; |
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37 } |
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38 |
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39 void CDrawOneBppScreenBitmap::UpdateRect(const TRect& aRect) const |
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40 { |
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41 ASSERT(aRect.iTl.iX >= 0 && aRect.iTl.iY >= 0); |
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42 ASSERT(aRect.iBr.iX <= iSize.iWidth); |
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43 ASSERT(aRect.iBr.iY <= iSize.iHeight); |
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44 |
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45 TInt lx = aRect.iTl.iX & ~0x1f; |
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46 TInt rx = (aRect.iBr.iX + 31) & ~0x1f; |
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47 |
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48 TUint32* srcePtr = ScanLine(aRect.iTl.iY) + (lx / 32); |
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49 TUint32* srcePtrLimit = srcePtr + ((rx - lx) / 32); |
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50 |
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51 for(TInt row = aRect.iTl.iY; row < aRect.iBr.iY; row++) |
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52 { |
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53 TUint32* tempSrcePtr = srcePtr; |
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54 TUint8* destPixel = WinPixelAddress(lx,row); |
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55 |
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56 while (tempSrcePtr < srcePtrLimit) |
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57 { |
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58 TUint32 data = *tempSrcePtr++; |
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59 |
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60 Mem::Fill(destPixel,96,0xff); |
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61 |
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62 for (TUint32 shift = 1; shift != 0; shift <<= 1) |
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63 { |
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64 if (!(data & shift)) |
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65 { |
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66 destPixel[0] = 0; |
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67 destPixel[1] = 0; |
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68 destPixel[2] = 0; |
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69 } |
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70 |
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71 destPixel += 3; |
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72 } |
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73 } |
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74 srcePtr += iScanLineWords; |
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75 srcePtrLimit += iScanLineWords; |
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76 } |
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77 } |
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78 |