smsprotocols/smsstack/ems/src/EMSAnimationIE.cpp
changeset 0 3553901f7fa8
child 24 6638e7f4bd8f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smsprotocols/smsstack/ems/src/EMSAnimationIE.cpp	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,373 @@
+/*
+* Copyright (c) 2009 Sony Ericsson Mobile Communications AB
+* 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:
+* Sony Ericsson Mobile Communications AB - initial contribution.
+* Nokia Corporation - additional changes.
+* 
+* Contributors:
+* 
+* Description:
+* Implements the Enhanced SMS Animation Information Element.
+*
+*/
+
+
+/**
+ *  @file
+ *  
+ *  Implements  CEmsPreDefAnimationIE and CEmsAnimationIE classes
+ */
+
+#include <emsanimationie.h>
+#include <w32std.h>
+
+/**
+ *  Creates a new Predifined animation class.
+ *  @param aAnimValue number of the predefined animations
+ */
+EXPORT_C CEmsPreDefAnimationIE* CEmsPreDefAnimationIE::NewL(TAnimType aAnimValue)
+/**
+ *  @capability None
+ */
+	{
+	if(aAnimValue > EDevil)User::Leave(KErrArgument);
+	CEmsPreDefAnimationIE* self = new (ELeave) CEmsPreDefAnimationIE(aAnimValue);
+	return self;
+	}
+
+EXPORT_C CEmsInformationElement* CEmsPreDefAnimationIE::DuplicateL() const
+/**
+ *  @capability None
+ */
+	{
+	CEmsPreDefAnimationIE* copy = new (ELeave) CEmsPreDefAnimationIE();
+	CleanupStack::PushL(copy);
+	copy->CopyL(*this);
+	CleanupStack::Pop(copy);
+	return copy;
+	}
+
+EXPORT_C void CEmsPreDefAnimationIE::CopyL(const CEmsPreDefAnimationIE& aSrc)
+/**
+ *  @capability None
+ */
+	{
+	CEmsInformationElement::CopyL(aSrc);
+	iAnimNumber = aSrc.iAnimNumber;
+	}
+
+EXPORT_C CEmsPreDefAnimationIE::TAnimType  CEmsPreDefAnimationIE::Animation() const
+/**
+ *  @capability None
+ */
+	{
+	return iAnimNumber;
+	}
+
+EXPORT_C void CEmsPreDefAnimationIE::SetAnimationL(TAnimType  aValue)
+/**
+ *  @capability None
+ */
+	{
+	 if(aValue > EDevil)User::Leave(KErrArgument);
+	 iAnimNumber = aValue;
+	}
+
+
+CEmsPreDefAnimationIE::CEmsPreDefAnimationIE(TAnimType  aAnimValue) :
+	CEmsInformationElement(CSmsInformationElement::ESmsEnhancedPredefinedAnimation), iAnimNumber(aAnimValue)
+	{
+	iEncodedBodyLength=EIESize;
+	}
+
+CEmsPreDefAnimationIE::CEmsPreDefAnimationIE() :
+	CEmsInformationElement(CSmsInformationElement::ESmsEnhancedPredefinedAnimation)
+	{
+	iEncodedBodyLength=EIESize;
+	}
+
+/**
+ *  Encodes the raw Ems information element into a data buffer that can be use to create a normal information element.
+ *  
+ *  @param aPtr the buffer to be used which is to contain the data
+ *  @param TBool boolean to indicate if it is for serialisation or encoding
+ */
+void CEmsPreDefAnimationIE::EncodeBodyL(TPtr8 aPtr, TBool) const
+	{
+	// We don't need to worry about the aIsForSerialisation flag since
+	// encoding and serialisation will result in the same data
+	aPtr.Append(static_cast<TUint8>(iAnimNumber));
+	}
+
+/**
+ *  Decodes the raw data out of an information element into this class.
+ *  
+ *  @param aPtr The raw predefined animation data
+ *  @param TBool boolean to indicate if it is from serialisation
+ *  @leave KErrargument If the size of the data does not match what is expected.
+ */
+void CEmsPreDefAnimationIE::DecodeBodyL(const TPtrC8 aPtr, TBool)
+	{
+	__ASSERT_ALWAYS(aPtr.Length()==EIESize, User::Leave(KErrArgument));
+	iAnimNumber = static_cast<TAnimType>(aPtr[0]);
+	__ASSERT_DEBUG(iAnimNumber<=EDevil, User::Leave(KErrArgument));
+	}
+
+// --------------------------------------------------------------------------------------------
+
+/**
+ *  Creates a new of an animation object.
+ *  
+ *  @return CEmsAnimationIE* the newly created object.
+ */
+CEmsAnimationIE* CEmsAnimationIE::NewL()
+	{
+	CEmsAnimationIE* self = new (ELeave) CEmsAnimationIE();
+	return self;
+	}
+
+/**
+ *  Creates a new EMS animation object from a given bitmap
+ *  
+ *  @param aBitmap a 4 frame Bitmap that is converted into an EMS animation type.
+ *  @return CEmsAnimationIE* the newly created object.
+ *  @leave KErrTooBig if the animation does not match the size of a Small/Large animation.
+ */
+EXPORT_C CEmsAnimationIE* CEmsAnimationIE::NewL(const CFbsBitmap& aBitmap)
+/**
+ *  @capability None
+ */
+	{
+	CEmsAnimationIE* self = new (ELeave) CEmsAnimationIE();
+	CleanupStack::PushL(self);
+	self->ConstructL(aBitmap);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/**
+ *  Creates a Copy of the object.
+ *  
+ *  @return CEmsAnimationIE* the newly created object.
+ */
+EXPORT_C CEmsInformationElement* CEmsAnimationIE::DuplicateL() const
+/**
+ *  @capability None
+ */
+	{
+	CEmsAnimationIE* copy = new (ELeave) CEmsAnimationIE();
+	CleanupStack::PushL(copy);
+	copy->CopyL(*this);
+	CleanupStack::Pop(copy);
+	return copy;
+	}
+
+/**
+ *  Copys the information element out of the source into this object.
+ *  
+ *  @param aSrc the source object to copy from.
+ */
+EXPORT_C void CEmsAnimationIE::CopyL(const CEmsAnimationIE& aSrc)
+/**
+ *  @capability None
+ */
+	{
+	__ASSERT_ALWAYS(aSrc.iData, User::Leave(KErrCorrupt));
+	CEmsInformationElement::CopyL(aSrc);
+	delete iData;
+	iData=NULL;
+	iData = aSrc.iData->AllocL();
+	}
+
+CEmsAnimationIE::CEmsAnimationIE() : CEmsInformationElement(CSmsInformationElement::ESmsEnhancedLargeAnimation) {};
+
+EXPORT_C CEmsAnimationIE::~CEmsAnimationIE()
+/**
+ *  @capability None
+ */
+	{
+	delete iData;
+	}
+
+/**
+ *  Constructs the object from the given FbsBitmap
+ *  Will convert colour bitmaps into the correct format.
+ *  
+ *  @see
+ *  @param aBitmap the source bitmap containing the 4 frames.
+ *  @leave KErrTooBig if the animation will not fit within a single pdu.
+ *  @leave KErrTooBig if the animation is not one of the Two animation sizes.
+ */
+void CEmsAnimationIE::ConstructL(const CFbsBitmap& aBitmap)
+	{
+	__ASSERT_ALWAYS(aBitmap.SizeInPixels().iWidth%8==0, User::Leave(KErrCorrupt));
+
+	TSize frameSize = aBitmap.SizeInPixels();
+
+	////////////////////////////////////////////////////
+
+	frameSize.iWidth /= EFramesPerMsg;
+	__ASSERT_ALWAYS(frameSize==KSmallAnimSize || frameSize==KLargeAnimSize, User::Leave(KErrTooBig));
+	if(frameSize==KSmallAnimSize)
+		{
+		iEncodedBodyLength = EIESmallSize;
+		}
+	else
+		{
+		iEncodedBodyLength = EIELargeSize;
+		}
+
+	iIdentifier = (frameSize == KSmallAnimSize) ? CSmsInformationElement::ESmsEnhancedSmallAnimation : CSmsInformationElement::ESmsEnhancedLargeAnimation;
+
+
+	iData = HBufC8::NewL(frameSize.iWidth*frameSize.iHeight/2); // div PixelsPerByte * NumFrames = /2
+
+	CFbsBitmap* bitmap = new (ELeave) CFbsBitmap;
+	CleanupStack::PushL(bitmap);
+	User::LeaveIfError(bitmap->Create(frameSize, EGray2));
+
+	// create an off-screen device and context
+	CGraphicsContext* bitGc;
+	CFbsBitmapDevice* dev = CFbsBitmapDevice::NewL(bitmap);
+	CleanupStack::PushL(dev);
+	User::LeaveIfError(dev->CreateContext(bitGc));
+	CleanupStack::PushL(bitGc);
+
+	for (TInt frame=0; frame<EFramesPerMsg; ++frame)
+		{
+		TRect srcRect(TPoint(0,0),frameSize);
+		TRect dstRect(TPoint(frameSize.iWidth*frame,0), frameSize);
+		bitGc->DrawBitmap(srcRect, &aBitmap, dstRect);
+		HBufC8* pictureData = CEmsPictureIE::CreatePictureBufferL(*bitmap);
+		CleanupStack::PushL(pictureData);
+		iData->Des().Append(*pictureData);
+		CleanupStack::PopAndDestroy(pictureData);
+		}
+
+	CleanupStack::PopAndDestroy(3, bitmap);
+	}
+
+/**
+ *  Encodes the animation object into its raw format. (no IE id)
+ *  
+ *  @param aPtr the buffer to be used which is to contain the data
+ *  @param TBool boolean to indicate if it is for serialisation or encoding
+ */
+void CEmsAnimationIE::EncodeBodyL(TPtr8 aPtr, TBool) const
+	{
+	aPtr.Append(*iData);
+	}
+
+/**
+ *  Decodes the raw data out of an information element into this class.
+ *  
+ *  @param aPtr The raw predefined animation data
+ *  @param TBool boolean to indicate if it is from serialisation
+ *  @leave KErrargument If the size of the data does not match what is expected.
+ */
+void CEmsAnimationIE::DecodeBodyL(const TPtrC8 aPtr, TBool)
+	{
+	__ASSERT_ALWAYS(aPtr.Length()==EIESmallSize || aPtr.Length()==EIELargeSize, User::Leave(KErrCorrupt));
+
+	delete iData;
+	iData = NULL;
+	iData = aPtr.AllocL();
+	}
+
+
+EXPORT_C CFbsBitmap* CEmsAnimationIE::GetBitmapL() const
+/**
+ *  @capability None
+ */
+	{
+	TSize size;
+	if (iData->Length()==EIESmallSize)
+		size = KSmallAnimSize;
+	else
+		size = KLargeAnimSize;
+	////////////////////////////////////
+    __ASSERT_ALWAYS(size.iWidth*size.iHeight*EFramesPerMsg==iData->Length()*8, User::Leave(KErrCorrupt));
+	TInt frameDataLength = iData->Length()/EFramesPerMsg;
+
+	CFbsBitmap* bitmap = new (ELeave) CFbsBitmap;
+	CleanupStack::PushL(bitmap);
+	User::LeaveIfError(bitmap->Create(TSize(size.iWidth*EFramesPerMsg, size.iHeight), EGray2));
+
+	// create an off-screen device and context
+	CFbsBitGc* bitGc;
+	CFbsBitmapDevice* dev = CFbsBitmapDevice::NewL(bitmap);
+	CleanupStack::PushL(dev);
+	User::LeaveIfError(dev->CreateContext(bitGc));
+	CleanupStack::PushL(bitGc);
+
+	bitGc->SetBrushColor(KRgbBlack);
+	bitGc->SetPenColor(KRgbBlack);
+	bitGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
+	bitGc->SetDrawMode(CGraphicsContext::EDrawModePEN);
+
+	// Draw all frames into the master bitmap
+	for (TInt frame=0; frame<EFramesPerMsg; frame++)
+		{
+		TPtrC8 frameData(iData->Mid(frame*frameDataLength, frameDataLength));
+
+		CFbsBitmap* pic;
+		pic = GetBitmapL(size, frameData);
+
+		TPoint topLeft(size.iWidth*frame,0);
+		bitGc->BitBlt(topLeft,pic);
+		delete pic;
+		};
+
+	CleanupStack::PopAndDestroy(2, dev);
+	CleanupStack::Pop(bitmap);
+	return bitmap;
+	}
+
+CFbsBitmap* CEmsAnimationIE::GetBitmapL(const TSize& aSize, const TDesC8& aDataBuf)const
+	{
+	// bitmap must have a width that is a x of 8.
+	__ASSERT_ALWAYS(aSize.iWidth%8==0, User::Leave(KErrCorrupt));
+	CFbsBitmap* bitmap = new (ELeave) CFbsBitmap();
+	CleanupStack::PushL(bitmap);
+
+	TInt numLineBytes = aSize.iWidth/8;
+	User::LeaveIfError(bitmap->Create(aSize,EGray2));
+
+	HBufC8* working = HBufC8::NewLC(numLineBytes);
+
+	TPtr8 convertedScanLine(working->Des());
+	convertedScanLine.SetLength(numLineBytes);
+
+
+	TUint8 byte = 0;
+	const TUint8* adr=NULL;
+
+	for (TInt line =0; line < aSize.iHeight; line++)
+		{
+		adr = &(aDataBuf[(numLineBytes) * line]);
+		TPtrC8 scanLine(adr, numLineBytes);
+
+		for (TInt word=0; word<numLineBytes; word++)
+			{
+			// Convert EMS Black=1 to Epoc Black=0
+			// and Convert little endean to big.
+			byte = 0;
+			for (TInt bit=0; bit<8; bit++)
+				byte |= (scanLine[word] & (1<<bit)) ? 0 : (1<<(7-bit));
+
+			convertedScanLine[word] = byte;
+			}
+
+		bitmap->SetScanLine(convertedScanLine, line);
+		}
+
+	CleanupStack::PopAndDestroy(working);
+	CleanupStack::Pop(bitmap);
+	return bitmap;
+	}