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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "swdirectgdiengine.h"
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#include <bitdrawinterfaceid.h>
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#include <bmalphablend.h>
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/**
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@see MDirectGdiEngine::SetFont()
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*/
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void CSwDirectGdiEngine::SetFont(TUint32 /*aFontId*/)
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{
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// Do nothing.
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// The SW adapter doesn't need the font ID to index a separate font cache because it uses the standard one.
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}
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/**
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@see MDirectGdiEngine::ResetFont()
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*/
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void CSwDirectGdiEngine::ResetFont()
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{
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}
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/**
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@see MDirectGdiEngine::SetTextShadowColor()
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*/
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void CSwDirectGdiEngine::SetTextShadowColor(const TRgb& aColor)
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{
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iTextShadowColor = aColor;
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}
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/**
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@see MDirectGdiEngine::BeginDrawGlyph()
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*/
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void CSwDirectGdiEngine::BeginDrawGlyph()
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{
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}
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/**
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@see MDirectGdiEngine::DrawGlyph()
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@panic DGDIAdapter 56, if an invalid glyph bitmap type is passed in.
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*/
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void CSwDirectGdiEngine::DrawGlyph(const TPoint& aScrPos, const TChar /*aChar*/, const TUint8* aGlyphImage,
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const TGlyphBitmapType aGlyphBitmapType, const TSize& aGlyphImageSize,
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const TRect& aScrClipRect, const DirectGdi::TGraphicsRotation aRotation)
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{
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TPoint pos=aScrPos;
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pos+=iDrawOrigin;
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TRect clipRect=aScrClipRect;
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clipRect.iTl+=iDrawOrigin;
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clipRect.iBr+=iDrawOrigin;
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TRect regionRect(0, 0, 0, 0);
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TInt numRects = iDefaultRegionPtr->Count();
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for (TInt count = 0; count < numRects; count++)
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{
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// Do the clip rects intersect?
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regionRect = (*iDefaultRegionPtr)[count];
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if (!regionRect.Intersects(clipRect))
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{
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// Nothing to draw
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continue;
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}
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// Clip to intersection of two clip rects
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regionRect.Intersection(clipRect);
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if (aRotation == DirectGdi::EGraphicsRotationNone) // Horizontal text
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{
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// Do the glyph and the clip rect intersect?
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TRect glyphRect(pos, aGlyphImageSize);
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if (!regionRect.Intersects(glyphRect))
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{
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// Nothing to draw
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continue;
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}
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// Clip to intersection with glyph bitmap
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regionRect.Intersection(glyphRect);
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switch (aGlyphBitmapType)
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{
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case EMonochromeGlyphBitmap:
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{
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DrawBitmapGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect);
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break;
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}
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case EAntiAliasedGlyphBitmap:
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{
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DrawAntiAliasedGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect);
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break;
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}
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case EFourColourBlendGlyphBitmap:
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{
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DrawFourColourGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect);
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break;
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}
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default:
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GRAPHICS_PANIC_ALWAYS(EDirectGdiPanicInvalidGlyphBitmapType);
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}
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}
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else // Vertical text
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{
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/*
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// Do the glyph and the clip rect intersect?
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TRect glyphRect(aPos, aGlyphImageSize);
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if (!regionRect.Intersects(glyphRect))
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{
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// Nothing to draw
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continue;
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}
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// Clip to intersection with glyph bitmap
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regionRect.Intersection(glyphRect);
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*/
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switch (aGlyphBitmapType)
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{
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case EMonochromeGlyphBitmap:
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{
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DrawRotatedBitmapGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect, aRotation);
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break;
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}
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case EAntiAliasedGlyphBitmap:
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{
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DrawRotatedAntiAliasedGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect, aRotation);
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break;
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}
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case EFourColourBlendGlyphBitmap:
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{
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DrawRotatedFourColourGlyph(pos, aGlyphImage, aGlyphImageSize, regionRect, aRotation);
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break;
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}
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default:
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GRAPHICS_PANIC_ALWAYS(EDirectGdiPanicInvalidGlyphBitmapType);
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}
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}
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// Now display it
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iDrawDevice->UpdateRegion(regionRect);
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}
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}
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/**
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@see MDirectGdiEngine::EndDrawGlyph()
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*/
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void CSwDirectGdiEngine::EndDrawGlyph()
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{
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}
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/**
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Draw a bitmap glyph.
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@param aPos Position to start drawing gyph.
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@param aGlyphImage Pointer to the glyph image data.
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@param aGlyphImageSize Glyph image size.
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@param aClipRect Clipping rect.
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*/
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void CSwDirectGdiEngine::DrawBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect)
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{
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// aChar parameter not needed because SW implementation uses the default glyph cache
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// therefore does not need aChar to index its own local cache
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/*
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Divert if the character is large.
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Large is defined as wider than 30 bits (a scan line won't fit in a TInt32)
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or greater than 32 bits high (because that's the current array size - could be changed).
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*/
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TInt dataHeight = aGlyphImageSize.iHeight;
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TInt dataLength = aGlyphImageSize.iWidth;
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if (dataLength > 30 || dataHeight > 32)
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{
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DrawLargeBitmapGlyph(aPos, aGlyphImage, aGlyphImageSize, aClipRect);
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return;
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}
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TInt bitIndex = 0;
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TInt16 repeatCount = 0;
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TUint32 binaryData[32];
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TUint32* binaryDataPtr = binaryData;
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TUint32* binaryDataPtrLimit;
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for (TInt glyphLine = 0; glyphLine < dataHeight; glyphLine += repeatCount) // for lines in the glyph bitmap
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{
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repeatCount = Load16(aGlyphImage + (bitIndex >> 3));
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repeatCount >>= bitIndex & 7;
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TInt multiLineFlag = repeatCount & 1;
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repeatCount >>= 1;
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repeatCount &= 0xf;
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bitIndex += 5;
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binaryDataPtrLimit = binaryData + glyphLine + repeatCount;
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if (multiLineFlag)
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{
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while (binaryDataPtr < binaryDataPtrLimit)
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{
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TInt glyphDataOffsetPtr = TInt(aGlyphImage) + (bitIndex >> 3);
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TUint32* glyphDataWord = (TUint32*)(glyphDataOffsetPtr & ~3);
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TInt bitShift = bitIndex & 7;
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bitShift += (glyphDataOffsetPtr & 3) << 3;
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*binaryDataPtr = (*glyphDataWord++) >> bitShift;
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if (bitShift)
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{
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*binaryDataPtr |= (*glyphDataWord << (32 - bitShift));
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}
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bitIndex += dataLength;
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binaryDataPtr++;
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}
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}
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else
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{
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TInt glyphDataOffsetPtr = TInt(aGlyphImage) + (bitIndex >> 3);
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TUint32* glyphDataWord = (TUint32*)(glyphDataOffsetPtr & ~3);
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TInt bitShift = bitIndex & 7;
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bitShift += (glyphDataOffsetPtr & 3) << 3;
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TUint32 data = (*glyphDataWord++) >> bitShift;
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if (bitShift)
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{
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data |= (*glyphDataWord << (32 - bitShift));
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}
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while (binaryDataPtr < binaryDataPtrLimit)
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{
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*binaryDataPtr++ = data;
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}
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bitIndex += dataLength;
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}
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}
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TPoint topLeft(aPos);
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binaryDataPtr = ClipBinaryArray(binaryData, binaryData + dataHeight, dataLength, dataHeight, topLeft, aClipRect);
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if ((dataLength > 0) && (dataHeight > 0))
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{
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iDrawDevice->WriteBinary(topLeft.iX, topLeft.iY, binaryDataPtr, dataLength, dataHeight, iPenColor, GcDrawMode(iDrawMode) );
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}
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}
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/**
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Draw a large bitmap glyph.
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@param aPos Position to start drawing gyph.
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@param aGlyphImage Pointer to the glyph image data.
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@param aGlyphImageSize Glyph image size.
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@param aClipRect Clipping rect.
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*/
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void CSwDirectGdiEngine::DrawLargeBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
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const TSize& aGlyphImageSize, const TRect& aClipRect)
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{
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TPoint printPos(aPos);
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const TInt dataLength = aGlyphImageSize.iWidth;
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const TInt dataHeight = aGlyphImageSize.iHeight;
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TInt bitIndex = 0;
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TInt16 repeatCount = 0;
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TUint32* scanLineBuffer = iDrawDevice->ScanLineBuffer();
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const TInt scanLineWords = (iDrawDevice->ScanLineBytes()) << 3;
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for (TInt glyphLine = 0; glyphLine < dataHeight; glyphLine += repeatCount) // for lines in the glyph bitmap
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{
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repeatCount = Load16(aGlyphImage + (bitIndex >> 3));
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repeatCount >>= bitIndex & 7;
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const TInt multiLineFlag = repeatCount & 1;
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repeatCount >>= 1;
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repeatCount &= 0xf;
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bitIndex += 5;
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if (multiLineFlag)
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{
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for (TInt currentLine = 0; currentLine < repeatCount; currentLine++)
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{
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CopyCharLine(scanLineBuffer, scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
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OutputCharLineMultiplied(printPos, scanLineBuffer, dataLength, 1, aClipRect);
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bitIndex += dataLength;
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printPos.iY++;
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}
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}
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else
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{
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CopyCharLine(scanLineBuffer, scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
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OutputCharLineMultiplied(printPos, scanLineBuffer, dataLength, repeatCount, aClipRect);
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printPos.iY += repeatCount;
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bitIndex += dataLength;
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}
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}
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}
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/**
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*/
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void CSwDirectGdiEngine::CopyCharLine(TUint32* aBinaryDataPtr, TInt aBufferWords, const TUint8* aData, TInt aBitShift, TInt aCharWidth)
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{
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|
297 |
aBitShift &= 7;
|
|
sl@0
|
298 |
TInt wordsToCopy = (aCharWidth + 31) >> 5;
|
|
sl@0
|
299 |
if (wordsToCopy > aBufferWords)
|
|
sl@0
|
300 |
{
|
|
sl@0
|
301 |
wordsToCopy = aBufferWords;
|
|
sl@0
|
302 |
}
|
|
sl@0
|
303 |
TUint32* ptrLimit = aBinaryDataPtr + wordsToCopy;
|
|
sl@0
|
304 |
TUint32* dataWord = (TUint32*)(TInt(aData) & ~3);
|
|
sl@0
|
305 |
aBitShift += (TInt(aData) - TInt(dataWord)) << 3;
|
|
sl@0
|
306 |
while (aBinaryDataPtr < ptrLimit)
|
|
sl@0
|
307 |
{
|
|
sl@0
|
308 |
*aBinaryDataPtr = *dataWord++;
|
|
sl@0
|
309 |
*aBinaryDataPtr >>= aBitShift;
|
|
sl@0
|
310 |
if (aBitShift)
|
|
sl@0
|
311 |
{
|
|
sl@0
|
312 |
*aBinaryDataPtr |= (*dataWord << (32 - aBitShift));
|
|
sl@0
|
313 |
}
|
|
sl@0
|
314 |
aBinaryDataPtr++;
|
|
sl@0
|
315 |
}
|
|
sl@0
|
316 |
}
|
|
sl@0
|
317 |
|
|
sl@0
|
318 |
|
|
sl@0
|
319 |
/**
|
|
sl@0
|
320 |
|
|
sl@0
|
321 |
*/
|
|
sl@0
|
322 |
void CSwDirectGdiEngine::OutputCharLineMultiplied(TPoint aPrintPos, TUint32* aBuffer, TInt aDataLength, TInt aNum, const TRect& aClipRect)
|
|
sl@0
|
323 |
{
|
|
sl@0
|
324 |
if (aDataLength <= 0)
|
|
sl@0
|
325 |
{
|
|
sl@0
|
326 |
return;
|
|
sl@0
|
327 |
}
|
|
sl@0
|
328 |
TInt bufferWords = (aDataLength + 31) >> 5;
|
|
sl@0
|
329 |
TUint32* bufferLimit = aBuffer + bufferWords;
|
|
sl@0
|
330 |
if (aPrintPos.iX < aClipRect.iTl.iX)
|
|
sl@0
|
331 |
{
|
|
sl@0
|
332 |
TInt pixelExcess = aClipRect.iTl.iX - aPrintPos.iX;
|
|
sl@0
|
333 |
while (pixelExcess >= 32)
|
|
sl@0
|
334 |
{
|
|
sl@0
|
335 |
aBuffer++;
|
|
sl@0
|
336 |
bufferWords--;
|
|
sl@0
|
337 |
aDataLength -= 32;
|
|
sl@0
|
338 |
pixelExcess -= 32;
|
|
sl@0
|
339 |
}
|
|
sl@0
|
340 |
if (aDataLength <= 0)
|
|
sl@0
|
341 |
{
|
|
sl@0
|
342 |
return;
|
|
sl@0
|
343 |
}
|
|
sl@0
|
344 |
if (pixelExcess > 0)
|
|
sl@0
|
345 |
{
|
|
sl@0
|
346 |
TInt shiftUp = 32 - pixelExcess;
|
|
sl@0
|
347 |
TUint32* bufferPtr = aBuffer;
|
|
sl@0
|
348 |
while (bufferPtr < bufferLimit)
|
|
sl@0
|
349 |
{
|
|
sl@0
|
350 |
*bufferPtr >>= pixelExcess;
|
|
sl@0
|
351 |
if (bufferPtr < bufferLimit - 1)
|
|
sl@0
|
352 |
{
|
|
sl@0
|
353 |
*bufferPtr |= (*(bufferPtr + 1) << shiftUp);
|
|
sl@0
|
354 |
}
|
|
sl@0
|
355 |
bufferPtr++;
|
|
sl@0
|
356 |
}
|
|
sl@0
|
357 |
aDataLength -= pixelExcess;
|
|
sl@0
|
358 |
if (aDataLength <= 0)
|
|
sl@0
|
359 |
{
|
|
sl@0
|
360 |
return;
|
|
sl@0
|
361 |
}
|
|
sl@0
|
362 |
}
|
|
sl@0
|
363 |
aPrintPos.iX = aClipRect.iTl.iX;
|
|
sl@0
|
364 |
}
|
|
sl@0
|
365 |
if (aPrintPos.iX + aDataLength > aClipRect.iBr.iX)
|
|
sl@0
|
366 |
{
|
|
sl@0
|
367 |
TInt pixelExcess = aPrintPos.iX + aDataLength - aClipRect.iBr.iX;
|
|
sl@0
|
368 |
aDataLength -= pixelExcess;
|
|
sl@0
|
369 |
if (aDataLength <= 0)
|
|
sl@0
|
370 |
{
|
|
sl@0
|
371 |
return;
|
|
sl@0
|
372 |
}
|
|
sl@0
|
373 |
}
|
|
sl@0
|
374 |
while (aNum > 0)
|
|
sl@0
|
375 |
{
|
|
sl@0
|
376 |
if ((aPrintPos.iY >= aClipRect.iTl.iY) && (aPrintPos.iY < aClipRect.iBr.iY))
|
|
sl@0
|
377 |
{
|
|
sl@0
|
378 |
iDrawDevice->WriteBinaryLine(aPrintPos.iX, aPrintPos.iY, aBuffer, aDataLength, iPenColor, GcDrawMode(iDrawMode));
|
|
sl@0
|
379 |
}
|
|
sl@0
|
380 |
aPrintPos.iY++;
|
|
sl@0
|
381 |
aNum--;
|
|
sl@0
|
382 |
}
|
|
sl@0
|
383 |
}
|
|
sl@0
|
384 |
|
|
sl@0
|
385 |
|
|
sl@0
|
386 |
/**
|
|
sl@0
|
387 |
Draw a rotated bitmap glyph.
|
|
sl@0
|
388 |
|
|
sl@0
|
389 |
@param aPos Position to start drawing glyph after rotation has been applied.
|
|
sl@0
|
390 |
@param aGlyphImage Pointer to the glyph image data.
|
|
sl@0
|
391 |
@param aGlyphImageSize Glyph image size.
|
|
sl@0
|
392 |
@param aClipRect Clipping rect.
|
|
sl@0
|
393 |
@param aRotation Rotation specifying how the glyph will be drawn.
|
|
sl@0
|
394 |
*/
|
|
sl@0
|
395 |
void CSwDirectGdiEngine::DrawRotatedBitmapGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
|
|
sl@0
|
396 |
const TSize& aGlyphImageSize, const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation)
|
|
sl@0
|
397 |
{
|
|
sl@0
|
398 |
TPoint printPos(aPos);
|
|
sl@0
|
399 |
TInt dataLength = aGlyphImageSize.iWidth;
|
|
sl@0
|
400 |
TInt dataHeight = aGlyphImageSize.iHeight;
|
|
sl@0
|
401 |
TInt bitIndex = 0;
|
|
sl@0
|
402 |
TInt16 repeatCount = 0;
|
|
sl@0
|
403 |
TInt direction = (aRotation == DirectGdi::EGraphicsRotation270) ? 1 : -1;
|
|
sl@0
|
404 |
TUint32* scanLineBuffer = iDrawDevice->ScanLineBuffer();
|
|
sl@0
|
405 |
TInt scanLineWords = (iDrawDevice->ScanLineBytes()) << 3;
|
|
sl@0
|
406 |
for (TInt glyphLine = 0; glyphLine < dataHeight; glyphLine += repeatCount) // for lines in the glyph bitmap...
|
|
sl@0
|
407 |
{
|
|
sl@0
|
408 |
repeatCount = Load16(aGlyphImage + (bitIndex >> 3));
|
|
sl@0
|
409 |
repeatCount >>= bitIndex & 7;
|
|
sl@0
|
410 |
TInt multiLineFlag = repeatCount & 1;
|
|
sl@0
|
411 |
repeatCount >>= 1;
|
|
sl@0
|
412 |
repeatCount &= 0xf;
|
|
sl@0
|
413 |
bitIndex += 5;
|
|
sl@0
|
414 |
TInt signedRepeatCount = repeatCount * direction;
|
|
sl@0
|
415 |
if (multiLineFlag)
|
|
sl@0
|
416 |
{
|
|
sl@0
|
417 |
for (TInt currentLine = 0; currentLine < repeatCount; currentLine++)
|
|
sl@0
|
418 |
{
|
|
sl@0
|
419 |
CopyCharLine(scanLineBuffer, scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
|
|
sl@0
|
420 |
OutputCharLineVertical(printPos, scanLineBuffer, dataLength, 1, direction, aClipRect);
|
|
sl@0
|
421 |
bitIndex += dataLength;
|
|
sl@0
|
422 |
printPos.iX += direction;
|
|
sl@0
|
423 |
}
|
|
sl@0
|
424 |
}
|
|
sl@0
|
425 |
else
|
|
sl@0
|
426 |
{
|
|
sl@0
|
427 |
CopyCharLine(scanLineBuffer,scanLineWords, aGlyphImage + (bitIndex >> 3), bitIndex & 7, dataLength);
|
|
sl@0
|
428 |
OutputCharLineVertical(printPos, scanLineBuffer, dataLength, repeatCount, direction, aClipRect);
|
|
sl@0
|
429 |
printPos.iX += signedRepeatCount;
|
|
sl@0
|
430 |
bitIndex += dataLength;
|
|
sl@0
|
431 |
}
|
|
sl@0
|
432 |
}
|
|
sl@0
|
433 |
}
|
|
sl@0
|
434 |
|
|
sl@0
|
435 |
|
|
sl@0
|
436 |
/**
|
|
sl@0
|
437 |
|
|
sl@0
|
438 |
*/
|
|
sl@0
|
439 |
void CSwDirectGdiEngine::OutputCharLineVertical(TPoint aPrintPos, TUint32* aBuffer, TInt aDataLength,
|
|
sl@0
|
440 |
TInt aNum, TInt aDirection, const TRect& aClipRect)
|
|
sl@0
|
441 |
{
|
|
sl@0
|
442 |
// const DirectGdi::TGraphicsRotation rotation = aUp ? DirectGdi::EGraphicsRotation270 : DirectGdi::EGraphicsRotation90;
|
|
sl@0
|
443 |
// TInt direction = (aRotation == DirectGdi::EGraphicsRotation270) ? 1 : -1;
|
|
sl@0
|
444 |
if (aDataLength <= 0)
|
|
sl@0
|
445 |
{
|
|
sl@0
|
446 |
return;
|
|
sl@0
|
447 |
}
|
|
sl@0
|
448 |
TInt bufferWords = (aDataLength + 31) >> 5;
|
|
sl@0
|
449 |
TUint32* bufferLimit = aBuffer + bufferWords;
|
|
sl@0
|
450 |
if (aDirection == 1)
|
|
sl@0
|
451 |
{
|
|
sl@0
|
452 |
if (aPrintPos.iY >= aClipRect.iBr.iY)
|
|
sl@0
|
453 |
{
|
|
sl@0
|
454 |
TInt pixelExcess = aPrintPos.iY - aClipRect.iBr.iY + 1;
|
|
sl@0
|
455 |
while (pixelExcess >= 32)
|
|
sl@0
|
456 |
{
|
|
sl@0
|
457 |
aBuffer++;
|
|
sl@0
|
458 |
aDataLength -= 32;
|
|
sl@0
|
459 |
pixelExcess -= 32;
|
|
sl@0
|
460 |
}
|
|
sl@0
|
461 |
if (aDataLength <= 0)
|
|
sl@0
|
462 |
{
|
|
sl@0
|
463 |
return;
|
|
sl@0
|
464 |
}
|
|
sl@0
|
465 |
if (pixelExcess > 0)
|
|
sl@0
|
466 |
{
|
|
sl@0
|
467 |
TInt shiftUp = 32 - pixelExcess;
|
|
sl@0
|
468 |
TUint32* bufferPtr = aBuffer;
|
|
sl@0
|
469 |
while (bufferPtr < bufferLimit)
|
|
sl@0
|
470 |
{
|
|
sl@0
|
471 |
*bufferPtr >>= pixelExcess;
|
|
sl@0
|
472 |
if (bufferPtr < bufferLimit - 1)
|
|
sl@0
|
473 |
*bufferPtr |= (*(bufferPtr + 1) << shiftUp);
|
|
sl@0
|
474 |
bufferPtr++;
|
|
sl@0
|
475 |
}
|
|
sl@0
|
476 |
aDataLength -= pixelExcess;
|
|
sl@0
|
477 |
if (aDataLength <= 0)
|
|
sl@0
|
478 |
{
|
|
sl@0
|
479 |
return;
|
|
sl@0
|
480 |
}
|
|
sl@0
|
481 |
}
|
|
sl@0
|
482 |
aPrintPos.iY = aClipRect.iBr.iY - 1;
|
|
sl@0
|
483 |
}
|
|
sl@0
|
484 |
if ((aPrintPos.iY - aDataLength) < (aClipRect.iTl.iY - 1))
|
|
sl@0
|
485 |
{
|
|
sl@0
|
486 |
TInt pixelExcess = aClipRect.iTl.iY - 1 - aPrintPos.iY + aDataLength;
|
|
sl@0
|
487 |
aDataLength -= pixelExcess;
|
|
sl@0
|
488 |
if (aDataLength <= 0)
|
|
sl@0
|
489 |
{
|
|
sl@0
|
490 |
return;
|
|
sl@0
|
491 |
}
|
|
sl@0
|
492 |
}
|
|
sl@0
|
493 |
}
|
|
sl@0
|
494 |
else
|
|
sl@0
|
495 |
{
|
|
sl@0
|
496 |
if (aPrintPos.iY < aClipRect.iTl.iY)
|
|
sl@0
|
497 |
{
|
|
sl@0
|
498 |
TInt pixelExcess = aClipRect.iTl.iY - aPrintPos.iY;
|
|
sl@0
|
499 |
while (pixelExcess >= 32)
|
|
sl@0
|
500 |
{
|
|
sl@0
|
501 |
aBuffer++;
|
|
sl@0
|
502 |
aDataLength -= 32;
|
|
sl@0
|
503 |
pixelExcess -= 32;
|
|
sl@0
|
504 |
}
|
|
sl@0
|
505 |
if (aDataLength <= 0)
|
|
sl@0
|
506 |
{
|
|
sl@0
|
507 |
return;
|
|
sl@0
|
508 |
}
|
|
sl@0
|
509 |
if (pixelExcess > 0)
|
|
sl@0
|
510 |
{
|
|
sl@0
|
511 |
TInt shiftup = 32 - pixelExcess;
|
|
sl@0
|
512 |
TUint32* bufferptr = aBuffer;
|
|
sl@0
|
513 |
while (bufferptr < bufferLimit)
|
|
sl@0
|
514 |
{
|
|
sl@0
|
515 |
*bufferptr >>= pixelExcess;
|
|
sl@0
|
516 |
if (bufferptr < bufferLimit - 1)
|
|
sl@0
|
517 |
*bufferptr |= (*(bufferptr + 1) << shiftup);
|
|
sl@0
|
518 |
bufferptr++;
|
|
sl@0
|
519 |
}
|
|
sl@0
|
520 |
aDataLength -= pixelExcess;
|
|
sl@0
|
521 |
if (aDataLength <= 0)
|
|
sl@0
|
522 |
{
|
|
sl@0
|
523 |
return;
|
|
sl@0
|
524 |
}
|
|
sl@0
|
525 |
}
|
|
sl@0
|
526 |
aPrintPos.iY = aClipRect.iTl.iY;
|
|
sl@0
|
527 |
}
|
|
sl@0
|
528 |
if (aPrintPos.iY + aDataLength > aClipRect.iBr.iY)
|
|
sl@0
|
529 |
{
|
|
sl@0
|
530 |
TInt pixelExcess = aPrintPos.iY + aDataLength - aClipRect.iBr.iY;
|
|
sl@0
|
531 |
aDataLength -= pixelExcess;
|
|
sl@0
|
532 |
if (aDataLength <= 0)
|
|
sl@0
|
533 |
{
|
|
sl@0
|
534 |
return;
|
|
sl@0
|
535 |
}
|
|
sl@0
|
536 |
}
|
|
sl@0
|
537 |
}
|
|
sl@0
|
538 |
CGraphicsContext::TDrawMode drawMode = GcDrawMode(iDrawMode);
|
|
sl@0
|
539 |
while (aNum > 0)
|
|
sl@0
|
540 |
{
|
|
sl@0
|
541 |
if ((aPrintPos.iX >= aClipRect.iTl.iX) && (aPrintPos.iX < aClipRect.iBr.iX))
|
|
sl@0
|
542 |
iDrawDevice->WriteBinaryLineVertical(aPrintPos.iX, aPrintPos.iY, aBuffer, aDataLength, iPenColor, drawMode, (aDirection == 1));
|
|
sl@0
|
543 |
aPrintPos.iX += aDirection;
|
|
sl@0
|
544 |
aNum--;
|
|
sl@0
|
545 |
}
|
|
sl@0
|
546 |
}
|
|
sl@0
|
547 |
|
|
sl@0
|
548 |
|
|
sl@0
|
549 |
/**
|
|
sl@0
|
550 |
Draw an antialiased glyph.
|
|
sl@0
|
551 |
|
|
sl@0
|
552 |
@param aPos Position to start drawing gyph.
|
|
sl@0
|
553 |
@param aGlyphImage Pointer to the glyph image data.
|
|
sl@0
|
554 |
@param aGlyphImageSize Glyph image size.
|
|
sl@0
|
555 |
@param aClipRect Clipping rect.
|
|
sl@0
|
556 |
*/
|
|
sl@0
|
557 |
void CSwDirectGdiEngine::DrawAntiAliasedGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
|
|
sl@0
|
558 |
const TSize& aGlyphImageSize, const TRect& aClipRect)
|
|
sl@0
|
559 |
{
|
|
sl@0
|
560 |
const TInt topRow = Max(0, aClipRect.iTl.iY - aPos.iY);
|
|
sl@0
|
561 |
const TInt bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iY - aPos.iY);
|
|
sl@0
|
562 |
const TInt leftCol = Max(0, aClipRect.iTl.iX - aPos.iX);
|
|
sl@0
|
563 |
const TInt rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iX - aPos.iX);
|
|
sl@0
|
564 |
const TUint8* p = aGlyphImage + (topRow * aGlyphImageSize.iWidth) + leftCol;
|
|
sl@0
|
565 |
const TInt x = aPos.iX + leftCol;
|
|
sl@0
|
566 |
TInt y = aPos.iY + topRow;
|
|
sl@0
|
567 |
const TInt cols = rightCol - leftCol;
|
|
sl@0
|
568 |
|
|
sl@0
|
569 |
for (TInt row = topRow; row < bottomRow; row++, p += aGlyphImageSize.iWidth, y++)
|
|
sl@0
|
570 |
{
|
|
sl@0
|
571 |
iDrawDevice->WriteRgbAlphaMulti(x, y, cols, iPenColor, p);
|
|
sl@0
|
572 |
}
|
|
sl@0
|
573 |
}
|
|
sl@0
|
574 |
|
|
sl@0
|
575 |
|
|
sl@0
|
576 |
/**
|
|
sl@0
|
577 |
Draw a rotated antialiased glyph.
|
|
sl@0
|
578 |
|
|
sl@0
|
579 |
@param aPos Position to start drawing gyph after rotation has been applied.
|
|
sl@0
|
580 |
@param aGlyphImage Pointer to the glyph image data.
|
|
sl@0
|
581 |
@param aGlyphImageSize Glyph image size.
|
|
sl@0
|
582 |
@param aClipRect Clipping rect.
|
|
sl@0
|
583 |
@param aRotation Rotation specifying how the glyph will be drawn.
|
|
sl@0
|
584 |
*/
|
|
sl@0
|
585 |
void CSwDirectGdiEngine::DrawRotatedAntiAliasedGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
|
|
sl@0
|
586 |
const TSize& aGlyphImageSize, const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation)
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|
sl@0
|
587 |
{
|
|
sl@0
|
588 |
const int KBufferSize = 32;
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|
sl@0
|
589 |
TUint8 maskBuffer[KBufferSize];
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|
sl@0
|
590 |
int topRow = 0;
|
|
sl@0
|
591 |
int bottomRow = 0;
|
|
sl@0
|
592 |
int leftCol = 0;
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|
sl@0
|
593 |
int rightCol = 0;
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|
sl@0
|
594 |
const TUint32 penColor = iPenColor.Internal();
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|
sl@0
|
595 |
const TUint32 brushColor = iBrushColor.Internal();
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|
sl@0
|
596 |
|
|
sl@0
|
597 |
if (aRotation == DirectGdi::EGraphicsRotation270)
|
|
sl@0
|
598 |
{
|
|
sl@0
|
599 |
topRow = Max(0, aClipRect.iTl.iX - aPos.iX);
|
|
sl@0
|
600 |
bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iX - aPos.iX);
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|
sl@0
|
601 |
leftCol = Max(0, aPos.iY - aClipRect.iBr.iY + 1);
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sl@0
|
602 |
rightCol = Min(aGlyphImageSize.iWidth, aPos.iY - aClipRect.iTl.iY + 1);
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sl@0
|
603 |
TInt y = aPos.iY - (rightCol - 1);
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|
sl@0
|
604 |
for (TInt col = rightCol - 1; col >= leftCol; col--, y++)
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|
sl@0
|
605 |
{
|
|
sl@0
|
606 |
TInt x = aPos.iX + topRow;
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|
sl@0
|
607 |
for (TInt row = topRow; row < bottomRow; row += KBufferSize, x += KBufferSize)
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|
sl@0
|
608 |
{
|
|
sl@0
|
609 |
TInt length = KBufferSize;
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|
sl@0
|
610 |
if (length > bottomRow - row)
|
|
sl@0
|
611 |
{
|
|
sl@0
|
612 |
length = bottomRow - row;
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|
sl@0
|
613 |
}
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|
sl@0
|
614 |
const TUint8* p = aGlyphImage + row * aGlyphImageSize.iWidth + col;
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sl@0
|
615 |
for (TInt i = 0; i < length; i++, p += aGlyphImageSize.iWidth)
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sl@0
|
616 |
{
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|
sl@0
|
617 |
maskBuffer[i] = *p;
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|
sl@0
|
618 |
}
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|
sl@0
|
619 |
iDrawDevice->WriteRgbAlphaMulti(x, y, length, iPenColor, maskBuffer);
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|
sl@0
|
620 |
}
|
|
sl@0
|
621 |
}
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|
sl@0
|
622 |
}
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|
sl@0
|
623 |
else
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|
sl@0
|
624 |
{
|
|
sl@0
|
625 |
topRow = Max(0, aPos.iX - aClipRect.iBr.iX + 1);
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|
sl@0
|
626 |
bottomRow = Min(aGlyphImageSize.iHeight, aPos.iX - aClipRect.iTl.iX + 1);
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|
sl@0
|
627 |
leftCol = Max(0, aClipRect.iTl.iY - aPos.iY);
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|
sl@0
|
628 |
rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iY - aPos.iY);
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|
sl@0
|
629 |
int y = aPos.iY + leftCol;
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|
sl@0
|
630 |
for (TInt col = leftCol; col < rightCol; col++, y++)
|
|
sl@0
|
631 |
{
|
|
sl@0
|
632 |
TInt x = aPos.iX - (bottomRow - 1);
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|
sl@0
|
633 |
for (TInt row = bottomRow; row > topRow; row -= KBufferSize, x += KBufferSize)
|
|
sl@0
|
634 |
{
|
|
sl@0
|
635 |
int length = KBufferSize;
|
|
sl@0
|
636 |
if (length > row - topRow)
|
|
sl@0
|
637 |
length = row - topRow;
|
|
sl@0
|
638 |
const TUint8* p = aGlyphImage + (row - 1) * aGlyphImageSize.iWidth + col;
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|
sl@0
|
639 |
for (TInt i = 0; i < length; i++, p -= aGlyphImageSize.iWidth)
|
|
sl@0
|
640 |
{
|
|
sl@0
|
641 |
maskBuffer[i] = *p;
|
|
sl@0
|
642 |
}
|
|
sl@0
|
643 |
iDrawDevice->WriteRgbAlphaMulti(x, y, length, iPenColor, maskBuffer);
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|
sl@0
|
644 |
}
|
|
sl@0
|
645 |
}
|
|
sl@0
|
646 |
}
|
|
sl@0
|
647 |
}
|
|
sl@0
|
648 |
|
|
sl@0
|
649 |
|
|
sl@0
|
650 |
/**
|
|
sl@0
|
651 |
Draw a four colour glyph.
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|
sl@0
|
652 |
|
|
sl@0
|
653 |
@param aPos Position to start drawing gyph.
|
|
sl@0
|
654 |
@param aGlyphImage Pointer to the glyph image data.
|
|
sl@0
|
655 |
@param aGlyphImageSize Glyph image size.
|
|
sl@0
|
656 |
@param aClipRect Clipping rect.
|
|
sl@0
|
657 |
*/
|
|
sl@0
|
658 |
void CSwDirectGdiEngine::DrawFourColourGlyph(const TPoint& aPos, const TUint8* aGlyphImage,
|
|
sl@0
|
659 |
const TSize& aGlyphImageSize, const TRect& aClipRect)
|
|
sl@0
|
660 |
{
|
|
sl@0
|
661 |
const TInt topRow = Max(0, aClipRect.iTl.iY - aPos.iY);
|
|
sl@0
|
662 |
const TInt bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iY - aPos.iY);
|
|
sl@0
|
663 |
const TInt leftCol = Max(0, aClipRect.iTl.iX - aPos.iX);
|
|
sl@0
|
664 |
const TInt rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iX - aPos.iX);
|
|
sl@0
|
665 |
const TUint8* p = aGlyphImage + (topRow * aGlyphImageSize.iWidth) + leftCol;
|
|
sl@0
|
666 |
const TInt x = aPos.iX + leftCol;
|
|
sl@0
|
667 |
TInt y = aPos.iY + topRow;
|
|
sl@0
|
668 |
const TInt cols = rightCol - leftCol;
|
|
sl@0
|
669 |
const TUint32 penColor = iPenColor.Internal();
|
|
sl@0
|
670 |
const TUint32 shadowColor = iTextShadowColor.Internal();
|
|
sl@0
|
671 |
const TUint32 brushColor = iBrushColor.Internal();
|
|
sl@0
|
672 |
|
|
sl@0
|
673 |
MOutlineAndShadowBlend* outlineAndShadow = NULL;
|
|
sl@0
|
674 |
const TInt err = iDrawDevice->GetInterface(KOutlineAndShadowInterfaceID, reinterpret_cast <TAny*&> (outlineAndShadow));
|
|
sl@0
|
675 |
if (err == KErrNone)
|
|
sl@0
|
676 |
{
|
|
sl@0
|
677 |
//There is a support for the interface with KOutlineAndShadowInterface id.
|
|
sl@0
|
678 |
for (TInt row = topRow; row < bottomRow; row++, p += aGlyphImageSize.iWidth, y++)
|
|
sl@0
|
679 |
{
|
|
sl@0
|
680 |
outlineAndShadow->WriteRgbOutlineAndShadow(x, y, cols, penColor, shadowColor, brushColor, p);
|
|
sl@0
|
681 |
}
|
|
sl@0
|
682 |
}
|
|
sl@0
|
683 |
else
|
|
sl@0
|
684 |
{
|
|
sl@0
|
685 |
// Assert if MOutlineAndShadowBlend interface is not implemented
|
|
sl@0
|
686 |
GRAPHICS_ASSERT_DEBUG(outlineAndShadow, EDirectGdiPanicInvalidInterfaceHandle);
|
|
sl@0
|
687 |
}
|
|
sl@0
|
688 |
}
|
|
sl@0
|
689 |
|
|
sl@0
|
690 |
|
|
sl@0
|
691 |
/**
|
|
sl@0
|
692 |
Draw a rotated four colour glyph.
|
|
sl@0
|
693 |
|
|
sl@0
|
694 |
@param aPos Position to start drawing gyph after rotation has been applied.
|
|
sl@0
|
695 |
@param aGlyphImage Pointer to the glyph image data.
|
|
sl@0
|
696 |
@param aGlyphImageSize Glyph image size.
|
|
sl@0
|
697 |
@param aClipRect Clipping rect.
|
|
sl@0
|
698 |
@param aRotation Rotation specifying how the glyph will be drawn.
|
|
sl@0
|
699 |
*/
|
|
sl@0
|
700 |
void CSwDirectGdiEngine::DrawRotatedFourColourGlyph(const TPoint& aPos, const TUint8* aGlyphImage, const TSize& aGlyphImageSize,
|
|
sl@0
|
701 |
const TRect& aClipRect, const DirectGdi::TGraphicsRotation aRotation)
|
|
sl@0
|
702 |
{
|
|
sl@0
|
703 |
const int KBufferSize = 32;
|
|
sl@0
|
704 |
TUint8 maskBuffer[KBufferSize];
|
|
sl@0
|
705 |
int topRow = 0;
|
|
sl@0
|
706 |
int bottomRow = 0;
|
|
sl@0
|
707 |
int leftCol = 0;
|
|
sl@0
|
708 |
int rightCol = 0;
|
|
sl@0
|
709 |
const TUint32 penColor = iPenColor.Internal();
|
|
sl@0
|
710 |
const TUint32 shadowColor = iTextShadowColor.Internal();
|
|
sl@0
|
711 |
const TUint32 brushColor = iBrushColor.Internal();
|
|
sl@0
|
712 |
|
|
sl@0
|
713 |
MOutlineAndShadowBlend* outlineAndShadow = NULL;
|
|
sl@0
|
714 |
TInt err = iDrawDevice->GetInterface(KOutlineAndShadowInterfaceID, reinterpret_cast <TAny*&> (outlineAndShadow));
|
|
sl@0
|
715 |
if(err != KErrNone)
|
|
sl@0
|
716 |
{
|
|
sl@0
|
717 |
// Assert if MOutlineAndShadowBlend interface is not implemented
|
|
sl@0
|
718 |
GRAPHICS_ASSERT_DEBUG(outlineAndShadow, EDirectGdiPanicInvalidInterfaceHandle);
|
|
sl@0
|
719 |
}
|
|
sl@0
|
720 |
|
|
sl@0
|
721 |
if (aRotation == DirectGdi::EGraphicsRotation270)
|
|
sl@0
|
722 |
{
|
|
sl@0
|
723 |
topRow = Max(0, aClipRect.iTl.iX - aPos.iX);
|
|
sl@0
|
724 |
bottomRow = Min(aGlyphImageSize.iHeight, aClipRect.iBr.iX - aPos.iX);
|
|
sl@0
|
725 |
leftCol = Max(0, aPos.iY - aClipRect.iBr.iY + 1);
|
|
sl@0
|
726 |
rightCol = Min(aGlyphImageSize.iWidth, aPos.iY - aClipRect.iTl.iY + 1);
|
|
sl@0
|
727 |
TInt y = aPos.iY - (rightCol - 1);
|
|
sl@0
|
728 |
for (TInt col = rightCol - 1; col >= leftCol; col--, y++)
|
|
sl@0
|
729 |
{
|
|
sl@0
|
730 |
TInt x = aPos.iX + topRow;
|
|
sl@0
|
731 |
for (TInt row = topRow; row < bottomRow; row += KBufferSize, x += KBufferSize)
|
|
sl@0
|
732 |
{
|
|
sl@0
|
733 |
TInt length = KBufferSize;
|
|
sl@0
|
734 |
if (length > bottomRow - row)
|
|
sl@0
|
735 |
{
|
|
sl@0
|
736 |
length = bottomRow - row;
|
|
sl@0
|
737 |
}
|
|
sl@0
|
738 |
const TUint8* p = aGlyphImage + row * aGlyphImageSize.iWidth + col;
|
|
sl@0
|
739 |
for (TInt i = 0; i < length; i++, p += aGlyphImageSize.iWidth)
|
|
sl@0
|
740 |
{
|
|
sl@0
|
741 |
maskBuffer[i] = *p;
|
|
sl@0
|
742 |
}
|
|
sl@0
|
743 |
//There is a support for the interface with KOutlineAndShadowInterface id.
|
|
sl@0
|
744 |
outlineAndShadow->WriteRgbOutlineAndShadow(x, y, length, penColor, shadowColor, brushColor, maskBuffer);
|
|
sl@0
|
745 |
}
|
|
sl@0
|
746 |
}
|
|
sl@0
|
747 |
}
|
|
sl@0
|
748 |
else
|
|
sl@0
|
749 |
{
|
|
sl@0
|
750 |
topRow = Max(0, aPos.iX - aClipRect.iBr.iX + 1);
|
|
sl@0
|
751 |
bottomRow = Min(aGlyphImageSize.iHeight, aPos.iX - aClipRect.iTl.iX + 1);
|
|
sl@0
|
752 |
leftCol = Max(0, aClipRect.iTl.iY - aPos.iY);
|
|
sl@0
|
753 |
rightCol = Min(aGlyphImageSize.iWidth, aClipRect.iBr.iY - aPos.iY);
|
|
sl@0
|
754 |
int y = aPos.iY + leftCol;
|
|
sl@0
|
755 |
for (TInt col = leftCol; col < rightCol; col++, y++)
|
|
sl@0
|
756 |
{
|
|
sl@0
|
757 |
TInt x = aPos.iX - (bottomRow - 1);
|
|
sl@0
|
758 |
for (TInt row = bottomRow; row > topRow; row -= KBufferSize, x += KBufferSize)
|
|
sl@0
|
759 |
{
|
|
sl@0
|
760 |
int length = KBufferSize;
|
|
sl@0
|
761 |
if (length > row - topRow)
|
|
sl@0
|
762 |
length = row - topRow;
|
|
sl@0
|
763 |
const TUint8* p = aGlyphImage + (row - 1) * aGlyphImageSize.iWidth + col;
|
|
sl@0
|
764 |
for (TInt i = 0; i < length; i++, p -= aGlyphImageSize.iWidth)
|
|
sl@0
|
765 |
{
|
|
sl@0
|
766 |
maskBuffer[i] = *p;
|
|
sl@0
|
767 |
}
|
|
sl@0
|
768 |
//There is a support for the interface with KOutlineAndShadowInterface id.
|
|
sl@0
|
769 |
outlineAndShadow->WriteRgbOutlineAndShadow(x, y, length, penColor, shadowColor, brushColor, maskBuffer);
|
|
sl@0
|
770 |
}
|
|
sl@0
|
771 |
}
|
|
sl@0
|
772 |
}
|
|
sl@0
|
773 |
}
|
|
sl@0
|
774 |
|
|
sl@0
|
775 |
|
|
sl@0
|
776 |
/**
|
|
sl@0
|
777 |
Helper function to clip the array to the clip rect.
|
|
sl@0
|
778 |
|
|
sl@0
|
779 |
@param aArray Start of array of data to be clipped.
|
|
sl@0
|
780 |
@param aArrayLimit End of array of data to be clipped.
|
|
sl@0
|
781 |
@param aDataWd Length of data.
|
|
sl@0
|
782 |
@param aDataHt Height of data.
|
|
sl@0
|
783 |
@param aPos Position to start drawing from.
|
|
sl@0
|
784 |
@param aClipRect Rectangle to clip data array to.
|
|
sl@0
|
785 |
|
|
sl@0
|
786 |
@return Pointer to array of clipped data.
|
|
sl@0
|
787 |
*/
|
|
sl@0
|
788 |
TUint32* CSwDirectGdiEngine::ClipBinaryArray(TUint32* aArray, TUint32* aArrayLimit, TInt& aDataWd, TInt& aDataHt, TPoint& aPos, const TRect& aClipRect)
|
|
sl@0
|
789 |
{
|
|
sl@0
|
790 |
TUint32* arrayPtr = aArray;
|
|
sl@0
|
791 |
TInt clipDiff = aClipRect.iTl.iX - aPos.iX;
|
|
sl@0
|
792 |
if (clipDiff > 0)
|
|
sl@0
|
793 |
{
|
|
sl@0
|
794 |
while (arrayPtr < aArrayLimit)
|
|
sl@0
|
795 |
{
|
|
sl@0
|
796 |
*arrayPtr++ >>= clipDiff;
|
|
sl@0
|
797 |
}
|
|
sl@0
|
798 |
aDataWd -= clipDiff;
|
|
sl@0
|
799 |
aPos.iX = aClipRect.iTl.iX;
|
|
sl@0
|
800 |
arrayPtr = aArray;
|
|
sl@0
|
801 |
}
|
|
sl@0
|
802 |
if ((aPos.iX + aDataWd > aClipRect.iBr.iX) && (aDataWd > 0))
|
|
sl@0
|
803 |
{
|
|
sl@0
|
804 |
aDataWd = aClipRect.iBr.iX - aPos.iX;
|
|
sl@0
|
805 |
}
|
|
sl@0
|
806 |
clipDiff = aClipRect.iTl.iY - aPos.iY;
|
|
sl@0
|
807 |
if (clipDiff > 0)
|
|
sl@0
|
808 |
{
|
|
sl@0
|
809 |
aDataHt -= clipDiff;
|
|
sl@0
|
810 |
arrayPtr += clipDiff;
|
|
sl@0
|
811 |
aPos.iY = aClipRect.iTl.iY;
|
|
sl@0
|
812 |
}
|
|
sl@0
|
813 |
if (((aPos.iY + aDataHt) > (aClipRect.iBr.iY)) && (aDataHt > 0))
|
|
sl@0
|
814 |
{
|
|
sl@0
|
815 |
aDataHt = aClipRect.iBr.iY - aPos.iY;
|
|
sl@0
|
816 |
}
|
|
sl@0
|
817 |
return arrayPtr;
|
|
sl@0
|
818 |
}
|