--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/activepalette/Src/ActivePalette2CheckerboardStyler.cpp Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,337 @@
+/*
+* 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"));
+ }
+
+