--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/drivers/edisp/epoc/vga/vgatext.cpp Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,238 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32\drivers\edisp\epoc\vga\vgatext.cpp
+// Brutus display driver
+//
+//
+
+#include "ws_std.h"
+
+const TUint KCharAttrib=0x17; // white on blue
+
+#if 0
+#define __DEBUG_PRINT(a) RDebug::Print(a)
+#define __DEBUG_PRINT2(a,b) RDebug::Print(a,b)
+#else
+#define __DEBUG_PRINT(a)
+#define __DEBUG_PRINT2(a,b)
+#endif
+
+class CScreenDriverVgaText : public CScreenDriver
+ {
+public:
+ CScreenDriverVgaText();
+ virtual void Init(TSize &aScreenSize,TSize &aFontSize);
+ virtual void Blit(const TText *aBuffer,TInt aLength,const TPoint &aPosition);
+ virtual TBool ScrollUp(const TRect& aRect);
+ virtual void Clear(const TRect& aRect);
+
+ virtual void SetPixel(const TPoint& aPoint,TUint8 aColour);
+ virtual TInt GetPixel(const TPoint& aPoint);
+ virtual void SetWord(const TPoint& aPoint,TInt aWord);
+ virtual TInt GetWord(const TPoint& aPoint);
+ virtual void SetLine(const TPoint& aPoint,const TPixelLine& aPixelLine);
+ virtual void GetLine(const TPoint& aPoint,TPixelLine& aPixelLine);
+
+ virtual void SetPaletteEntry(TColorIndex anIndex,TUint8 aRed,TUint8 aGreen,TUint8 aBlue);
+ virtual void GetPaletteEntry(TColorIndex anIndex,TUint8 &aRed,TUint8 &aGreen,TUint8 &aBlue);
+ virtual void SetForegroundColor(TColorIndex anIndex);
+ virtual void SetBackgroundColor(TColorIndex anIndex);
+ virtual void GetAttributeColors(TColorIndex* anArray);
+ virtual TInt SetMode(TVideoMode aMode);
+public:
+ TInt iMode;
+ TUint16* iScreen;
+ TInt iSizeX;
+ TInt iSizeY;
+ friend class CScreenDriver;
+ };
+
+CScreenDriverVgaText::CScreenDriverVgaText()
+//
+// Constructor
+//
+ {
+ __DEBUG_PRINT(_L("CSD::Ctor"));
+ iMode=EMono;
+ }
+
+CScreenDriver* NewScreenDriverVgaText()
+//
+// Return the actual screen driver.
+//
+ {
+
+ __DEBUG_PRINT(_L("CSD::New"));
+
+ CScreenDriverVgaText* s=new CScreenDriverVgaText;
+ if (!s)
+ return NULL;
+ TScreenInfoV01 info;
+ TPckg<TScreenInfoV01> infoPckg(info);
+ UserSvr::ScreenInfo(infoPckg);
+ if (!info.iScreenAddressValid)
+ {
+ delete s;
+ return NULL;
+ }
+ s->iScreen = (TUint16*)(TUint32(info.iScreenAddress)+0x18000);
+ s->iSizeX=80;
+ s->iSizeY=25;
+ return s;
+ }
+
+void CScreenDriverVgaText::Init(TSize& aScreenSize, TSize& aFontSize)
+//
+// Report screen information
+//
+ {
+
+ __DEBUG_PRINT(_L("CSD::Init"));
+ aFontSize=TSize(8,10);
+ aScreenSize.iWidth=iSizeX;
+ aScreenSize.iHeight=iSizeY;
+
+ TInt i;
+ TUint16* p=iScreen;
+ for (i=0; i<iSizeX*iSizeY; ++i)
+ *p++=KCharAttrib<<8;
+ }
+
+TInt CScreenDriverVgaText::SetMode(TVideoMode /*aMode*/)
+//
+// Set the screen mode
+//
+ {
+ __DEBUG_PRINT(_L("CSD::SetMode"));
+ return(KErrNotSupported);
+ }
+
+void CScreenDriverVgaText::Blit(const TText* aBuf, TInt aLen, const TPoint& aPos)
+//
+// Write contiguous block of characters to some segment of a line on the display
+//
+ {
+ switch(iMode)
+ {
+ case EMono:
+ {
+ TUint16* pS=iScreen+aPos.iY*iSizeX+aPos.iX;
+ TUint8* pSB=(TUint8*)pS;
+ while(aLen--)
+ {
+ *pSB=(*aBuf++)&0xff;
+ pSB+=2;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+TBool CScreenDriverVgaText::ScrollUp(const TRect& aRect)
+//
+// Scroll a rectangle of the screen up one character, don't update bottom line
+//
+ {
+
+ __DEBUG_PRINT(_L("CSD::ScrollUp"));
+ TUint16* pT=iScreen+aRect.iTl.iY*iSizeX+aRect.iTl.iX;
+ TUint16* pS=pT+iSizeX;
+ TUint16* pE=iScreen+aRect.iBr.iY*iSizeX;
+ TInt w=aRect.iBr.iX-aRect.iTl.iX;
+ if (w>0)
+ {
+ for (; pS<pE; pT+=iSizeX, pS+=iSizeX)
+ {
+ Mem::Copy(pT,pS,w*2);
+ }
+ }
+ return ETrue;
+ }
+
+void CScreenDriverVgaText::Clear(const TRect& aRect)
+//
+// Clear a rectangle of the screen, don't clear bottom line
+//
+ {
+
+__DEBUG_PRINT(_L("CSD::Clear"));
+ TUint16* pT=iScreen+aRect.iTl.iY*iSizeX+aRect.iTl.iX;
+ TUint16* pE=iScreen+aRect.iBr.iY*iSizeX;
+ TInt w=aRect.iBr.iX-aRect.iTl.iX;
+ if (w>0)
+ {
+ for (; pT<pE; pT+=iSizeX)
+ {
+ TInt i;
+ TUint16* pT2=pT;
+ for (i=w; i; --i)
+ *pT2++=KCharAttrib<<8;
+ }
+ }
+ }
+
+void CScreenDriverVgaText::SetPixel(const TPoint& /*aPoint*/, TUint8 /*aColour*/)
+ {
+ __DEBUG_PRINT(_L("CSD::SetPix"));
+ }
+
+TInt CScreenDriverVgaText::GetPixel(const TPoint& /*aPoint*/)
+ {
+ __DEBUG_PRINT(_L("CSD::GetPix"));
+ return 0;
+ }
+
+void CScreenDriverVgaText::SetWord(const TPoint& /*aPoint*/, TInt /*aWord*/)
+ {
+ __DEBUG_PRINT(_L("CSD::SetWord"));
+ }
+
+TInt CScreenDriverVgaText::GetWord(const TPoint& /*aPoint*/)
+ {
+ __DEBUG_PRINT(_L("CSD::GetWord"));
+ return 0;
+ }
+
+void CScreenDriverVgaText::SetLine(const TPoint& /*aPoint*/, const TPixelLine& /*aPixelLine*/)
+ {
+ __DEBUG_PRINT(_L("CSD::SetLine"));
+ }
+
+void CScreenDriverVgaText::GetLine(const TPoint& /*aPoint*/, TPixelLine& /*aPixelLine*/)
+ {
+ __DEBUG_PRINT(_L("CSD::GetLine"));
+ }
+
+void CScreenDriverVgaText::SetPaletteEntry(TColorIndex /*anIndex*/, TUint8 /*aRed*/, TUint8 /*aGreen*/, TUint8 /*aBlue*/)
+ {
+ }
+
+void CScreenDriverVgaText::GetPaletteEntry(TColorIndex /*anIndex*/, TUint8& /*aRed*/, TUint8& /*aGreen*/, TUint8& /*aBlue*/)
+ {
+ }
+
+void CScreenDriverVgaText::SetForegroundColor(TColorIndex /*anIndex*/)
+ {
+ }
+
+void CScreenDriverVgaText::SetBackgroundColor(TColorIndex /*anIndex*/)
+ {
+ }
+
+void CScreenDriverVgaText::GetAttributeColors(TColorIndex* /*anArray*/)
+ {
+ }
+