camerauis/activepalette/Src/ActivePalette2CheckerboardStyler.cpp
changeset 19 d9aefe59d544
parent 3 8b2d6d0384b0
child 21 fa6d9f75d6a6
child 28 3075d9b614e6
--- a/camerauis/activepalette/Src/ActivePalette2CheckerboardStyler.cpp	Tue Feb 02 00:01:39 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,337 +0,0 @@
-/*
-* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "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:  Active Palette Checkerboard Styler*
-*/
-
-
-/**
- * @file ActivePalette2CheckerboardStyler.cpp
- * Active Palette Checkerboard Styler
- */
-
-#include "ActivePalette2Logger.h"
-#include "ActivePalette2CheckerboardStyler.h"
-#include "ActivePalette2Cfg.h"
-#include "ActivePalette2Utils.h"
-#include <activepalette2graphics.mbg>
-
-#include <bitstd.h>
-#include <gdi.h>
-#include <AknIconUtils.h>
-
-/// Returns whether supplied number is odd
-#define IS_ODD(num) ((num) & 1)
-
-// Lightness threshold for checking whether a pixel
-// should be considered 'white'. Lightness is defined as the sum of the
-// 8-bit red, green, and blue values.
-const TInt KLightnessThreshold = 0x80 * 3;
-
-// Threshold for determining if a pixel in a soft mask is considered
-// opaque or transparent.
-const TUint8 KMaskThreshold = 0x7f;
-
-// Color value for transparent pixel (ARGB format).
-const TUint32 KColorKey = 0xFF000000;
-
-// Color value for opaque pixel (ARGB format).
-const TUint32 KOpaqueColor = 0x00FFFFFF;
-
-
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::NewL()
-// -----------------------------------------------------------------------------
-//
-CActivePalette2CheckerboardStyler* CActivePalette2CheckerboardStyler::NewL()
-    {
-	CActivePalette2CheckerboardStyler* self = new (ELeave) CActivePalette2CheckerboardStyler();
-	CleanupStack::PushL(self);
-	self->ConstructL();
-	CleanupStack::Pop(); // this
-	return self;
-    }
-    
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::ConstructL()
-// -----------------------------------------------------------------------------
-//
-void CActivePalette2CheckerboardStyler::ConstructL()
-    {
-	LOGTEXT( _L( "CActivePalette2CheckerboardStyler::ConstructL entered"));
-    CActivePalette2Styler::ConstructL();
-
-	iAPTopSectionMask	    = new (ELeave) CFbsBitmap;
-	iAPItemMaskA            = new (ELeave) CFbsBitmap;
-	iAPItemMaskB            = new (ELeave) CFbsBitmap;
-	iAPGapMaskA	            = new (ELeave) CFbsBitmap;
-	iAPGapMaskB	            = new (ELeave) CFbsBitmap;
-	iAPBottomSectionMaskA   = new (ELeave) CFbsBitmap;
-	iAPBottomSectionMaskB   = new (ELeave) CFbsBitmap;
-
-    // The order of calling these has an importance, to create the checkers correctly
-
-    LoadAndScaleCheckerboardL( iAPTopSectionMask, NAP2Cfg::KUIGraphics, EMbmActivepalette2graphicsQgn_graf_cam4_tb_top, EMbmActivepalette2graphicsQgn_graf_cam4_tb_top_mask, 
-            TSize(ActivePalette2Utils::APDimension(ActivePalette2Utils::EPaletteWidth), ActivePalette2Utils::APDimension(ActivePalette2Utils::ETopSectionHeight) ) );
-    LoadAndScaleCheckerboardL( iAPItemMaskA, NAP2Cfg::KUIGraphics, EMbmActivepalette2graphicsQgn_graf_cam4_tb_body, EMbmActivepalette2graphicsQgn_graf_cam4_tb_body_mask, 
-            TSize(ActivePalette2Utils::APDimension(ActivePalette2Utils::EPaletteWidth), ActivePalette2Utils::APDimension(ActivePalette2Utils::EItemHeight) ) );
-    LoadAndScaleCheckerboardL( iAPGapMaskA, NAP2Cfg::KUIGraphics, EMbmActivepalette2graphicsQgn_graf_cam4_tb_gap, EMbmActivepalette2graphicsQgn_graf_cam4_tb_gap_mask, 
-            TSize(ActivePalette2Utils::APDimension(ActivePalette2Utils::EPaletteWidth), ActivePalette2Utils::APDimension(ActivePalette2Utils::EGapBetweenItems) ) );
-    LoadAndScaleCheckerboardL( iAPItemMaskB, NAP2Cfg::KUIGraphics, EMbmActivepalette2graphicsQgn_graf_cam4_tb_body, EMbmActivepalette2graphicsQgn_graf_cam4_tb_body_mask,
-            TSize(ActivePalette2Utils::APDimension(ActivePalette2Utils::EPaletteWidth), ActivePalette2Utils::APDimension(ActivePalette2Utils::EItemHeight) ) );
-    LoadAndScaleCheckerboardL( iAPGapMaskB, NAP2Cfg::KUIGraphics, EMbmActivepalette2graphicsQgn_graf_cam4_tb_gap, EMbmActivepalette2graphicsQgn_graf_cam4_tb_gap_mask, 
-            TSize(ActivePalette2Utils::APDimension(ActivePalette2Utils::EPaletteWidth), ActivePalette2Utils::APDimension(ActivePalette2Utils::EGapBetweenItems) ) );
-    LoadAndScaleCheckerboardL( iAPBottomSectionMaskB, NAP2Cfg::KUIGraphics, EMbmActivepalette2graphicsQgn_graf_cam4_tb_bottom, EMbmActivepalette2graphicsQgn_graf_cam4_tb_bottom_mask,
-            TSize(ActivePalette2Utils::APDimension(ActivePalette2Utils::EPaletteWidth), ActivePalette2Utils::APDimension(ActivePalette2Utils::EBottomSectionHeight) ) );
-    LoadAndScaleCheckerboardL( iAPBottomSectionMaskA, NAP2Cfg::KUIGraphics, EMbmActivepalette2graphicsQgn_graf_cam4_tb_bottom, EMbmActivepalette2graphicsQgn_graf_cam4_tb_bottom_mask,
-            TSize(ActivePalette2Utils::APDimension(ActivePalette2Utils::EPaletteWidth), ActivePalette2Utils::APDimension(ActivePalette2Utils::EBottomSectionHeight) ) );
-
-	LOGTEXT( _L( "CActivePalette2CheckerboardStyler::ConstructL Left"));
-    }
-
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::~CActivePalette2CheckerboardStyler()
-// -----------------------------------------------------------------------------
-//
-CActivePalette2CheckerboardStyler::~CActivePalette2CheckerboardStyler()
-    {
-	delete iAPTopSectionMask;
-	delete iAPItemMaskA;
-	delete iAPItemMaskB;
-	delete iAPGapMaskA;
-	delete iAPGapMaskB;
-	delete iAPBottomSectionMaskA;
-	delete iAPBottomSectionMaskB;
-    }
-    
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::DrawItem()
-// -----------------------------------------------------------------------------
-//
-void CActivePalette2CheckerboardStyler::DrawItem(TInt aScreenPos, CFbsBitmap* aIcon, CFbsBitmap* aMask, TInt aOffsetFrame, TInt aOffsetTotal)
-    {
-    TRect area(ItemRect(aScreenPos, aOffsetFrame, aOffsetTotal));
-    
-    iDrawBufContext->SetClippingRect(iItemsRect);
-    iDrawBufMaskContext->SetClippingRect(iItemsRect);
-
-    if ( IS_ODD(aScreenPos) )
-        {  
-        BlitGraphic(area.iTl, iDrawBufContext, iDrawBufMaskContext, iAPItem, iAPItemMaskB, EFalse, EFalse);
-        }
-    else
-        {
-        BlitGraphic(area.iTl, iDrawBufContext, iDrawBufMaskContext, iAPItem, iAPItemMaskA, EFalse, EFalse);
-        }
-        
-	BlitGraphic(area.iTl + TPoint(ActivePalette2Utils::APDimension(ActivePalette2Utils::EItemXOffset),0), iDrawBufContext, iDrawBufMaskContext, aIcon, aMask, ETrue, ETrue);
-
-    iDrawBufMaskContext->CancelClippingRect();
-    iDrawBufContext->CancelClippingRect();
-
-    area.Intersection(iItemsRect);
-    AddToDirtyRect(	area );
-    }
-
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::DrawGap()
-// -----------------------------------------------------------------------------
-//
-void CActivePalette2CheckerboardStyler::DrawGap(TInt aScreenPos, TInt aOffsetFrame, TInt aOffsetTotal)
-    {
-    TRect area(GapRect(aScreenPos, aOffsetFrame, aOffsetTotal));
-    
-    iDrawBufContext->SetClippingRect(iItemsRect);
-    iDrawBufMaskContext->SetClippingRect(iItemsRect);
-
-    if ( IS_ODD(aScreenPos) )
-        {  
-        BlitGraphic(area.iTl, iDrawBufContext, iDrawBufMaskContext, iAPGap, iAPGapMaskB, EFalse, EFalse);
-        }
-    else
-        {  
-        BlitGraphic(area.iTl, iDrawBufContext, iDrawBufMaskContext, iAPGap, iAPGapMaskA, EFalse, EFalse);
-        }
-
-    iDrawBufMaskContext->CancelClippingRect();
-    iDrawBufContext->CancelClippingRect();
-
-    area.Intersection(iItemsRect);
-    AddToDirtyRect(	area );
-    }
-
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::AnimItem()
-// -----------------------------------------------------------------------------
-//
-void CActivePalette2CheckerboardStyler::AnimItem(TInt aScreenPos, CFbsBitmap* aIcon, CFbsBitmap* aMask)
-    {
-    TRect area(ItemRect(aScreenPos));
-    area.iTl.iX = ActivePalette2Utils::APDimension(ActivePalette2Utils::EItemXOffset);
-    area.SetWidth(ActivePalette2Utils::APDimension( ActivePalette2Utils::EItemWidth ));
-
-    TRect clippingRect(TPoint(ActivePalette2Utils::APDimension(ActivePalette2Utils::EItemXOffset), 0), ActivePalette2Utils::APDimensionSize( ActivePalette2Utils::EItemSize ) );
-    
-    iDrawBufContext->BitBlt(area.iTl, iAPItem, clippingRect);
-    
-    if ( IS_ODD(aScreenPos) )
-        {  
-        iDrawBufMaskContext->BitBlt(area.iTl, iAPItemMaskB, clippingRect);
-        }
-    else
-        {
-        iDrawBufMaskContext->BitBlt(area.iTl, iAPItemMaskA, clippingRect);
-        }
-        
-	BlitGraphic(area.iTl, iDrawBufContext, iDrawBufMaskContext, aIcon, aMask, ETrue, ETrue);
-
-    AddToDirtyRect(	area );
-    }
-
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::DrawTopScrollArrowSection()
-// -----------------------------------------------------------------------------
-//
-void CActivePalette2CheckerboardStyler::DrawTopScrollArrowSection(TBool aShowArrow)
-    {
-    TRect area(TopSectionRect());
-    
-    BlitGraphic(TPoint(0,0), iDrawBufContext, iDrawBufMaskContext, iAPTopSection, iAPTopSectionMask, EFalse, EFalse);
-
-    if ( aShowArrow )
-        {
-        CentreGraphic(area, iDrawBufContext, iDrawBufMaskContext, iScrollUpIcon, iScrollUpIconMask, ETrue, ETrue);
-        }
-
-    AddToDirtyRect(	area );
-    }
-
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::DrawBottomScrollArrowSection()
-// -----------------------------------------------------------------------------
-//
-void CActivePalette2CheckerboardStyler::DrawBottomScrollArrowSection(TBool aShowArrow)
-    {
-    TRect area(BottomSectionRect());
-    
-    if ( IS_ODD(iNumItems) )
-        {  
-        BlitGraphic(area.iTl, iDrawBufContext, iDrawBufMaskContext, iAPBottomSection, iAPBottomSectionMaskA, EFalse, EFalse);
-        }
-    else
-        {
-        BlitGraphic(area.iTl, iDrawBufContext, iDrawBufMaskContext, iAPBottomSection, iAPBottomSectionMaskB, EFalse, EFalse);
-        }
-        
-    if ( aShowArrow )
-        {
-        CentreGraphic(area, iDrawBufContext, iDrawBufMaskContext, iScrollDownIcon, iScrollDownIconMask, ETrue, ETrue);
-        }
-
-    AddToDirtyRect(	area );
-    }
-    
-
-// -----------------------------------------------------------------------------
-// CActivePalette2CheckerboardStyler::LoadAndScaleCheckerboard()
-// -----------------------------------------------------------------------------
-//
-void CActivePalette2CheckerboardStyler::LoadAndScaleCheckerboardL(
-                                                CFbsBitmap* aTargetBitmap,
-                                                const TDesC& aFileName,
-                                                TInt32 aId,
-                                                TInt32 aMaskId,
-                                                TSize aSize )
-    {
-    LOGTEXT( _L( "CActivePalette2CheckerboardStyler::LoadAndScaleCheckerboard entered"));
-    CFbsBitmap* sourceIcon = NULL;
-    CFbsBitmap* sourceIconMask = NULL;
-    AknIconUtils::CreateIconLC(sourceIcon, sourceIconMask, aFileName, aId, aMaskId);
-    AknIconUtils::SetSize(sourceIcon, aSize);
-    AknIconUtils::SetSize(sourceIconMask, aSize);
-    LOGTEXT( _L( "CActivePalette2CheckerboardStyler::LoadAndScaleCheckerboard svg icons loaded"));
-    User::LeaveIfError( aTargetBitmap->Create( aSize, EColor16MA ) );
-
-    TSize bmpSize = aTargetBitmap->SizeInPixels();
-    TRgb rgbColor = KRgbBlack;
-    TRgb rgbAlphaColor = KRgbBlack;
-
-    HBufC8* lineBuf = HBufC8::NewLC( CFbsBitmap::ScanLineLength( bmpSize.iWidth, EColor16MA ) );
-    TPtr8 lineDes = lineBuf->Des();
-    HBufC8* maskBuf = HBufC8::NewLC( CFbsBitmap::ScanLineLength( bmpSize.iWidth, EGray256 ) );
-    TPtr8 maskDes = maskBuf->Des();
-
-    for (TInt y = 0; y < bmpSize.iHeight; y++)
-        {
-        sourceIcon->GetScanLine(
-                lineDes, TPoint(0, y), bmpSize.iWidth, EColor16MA);
-        sourceIconMask->GetScanLine(
-                maskDes, TPoint(0, y), bmpSize.iWidth, EGray256);
-
-        // EColor16MA is 4 bytes (32-bits) per pixel
-        TUint32* linePtr = reinterpret_cast<TUint32*>( &lineDes[0] );
-
-        // EGray256 is 1 byte per pixel
-        TUint8* maskPtr = reinterpret_cast<TUint8*>( &maskDes[0] );
-
-        for( TInt x = 0; x < bmpSize.iWidth; x++ )
-            {
-            TUint32 color = linePtr[x];
-            TUint8 mask = maskPtr[x];
-
-            // Get the RGB values in order to check the lightness of the pixel
-            // to determine whether to mask with the checkerboard pattern.
-            TInt lightness =
-                (color & 0xFF) +         // blue
-                ((color >> 8) & 0xFF) +  // green
-                ((color >> 16) & 0xFF);  // red
-
-            if ( mask < KMaskThreshold )
-                {
-                // Transparent area.
-                linePtr[x] = KColorKey;
-                }
-            else if ( lightness > KLightnessThreshold )
-                {
-                // Semitransparent (dithered) area.
-                // Make every second pixel transparent.
-                if ( ( x + iLineCheckerCounter ) & 1 )
-                    {
-                    linePtr[x] = KColorKey;
-                    }
-                else
-                    {
-                    linePtr[x] = KOpaqueColor;
-                    }
-                }
-            else
-                {
-                // Fully opaque area
-                linePtr[x] = KOpaqueColor;
-                }
-            }
-
-        aTargetBitmap->SetScanLine(lineDes, y);
-        iLineCheckerCounter++;
-        }
-
-    // end draw checkers
-    LOGTEXT( _L( "CActivePalette2CheckerboardStyler::LoadAndScaleCheckerboard svg4"));
-
-    CleanupStack::PopAndDestroy(maskBuf);
-    CleanupStack::PopAndDestroy(lineBuf);
-    CleanupStack::PopAndDestroy(2); // sourceIcon, sourceIconMask
-    LOGTEXT( _L( "CActivePalette2CheckerboardStyler::LoadAndScaleCheckerboard left"));
-    }
-
-