--- a/fbs/fontandbitmapserver/sfbs/UTILS.H Thu Aug 19 11:11:18 2010 +0300
+++ b/fbs/fontandbitmapserver/sfbs/UTILS.H Tue Aug 31 16:31:06 2010 +0300
@@ -1,4 +1,4 @@
-// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
+// Copyright (c) 1998-2010 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"
@@ -20,8 +20,9 @@
#include <gdi.h>
#include <fntstore.h>
#include <bitmap.h>
+#include <sgresource/sgimage.h>
-
+class RFbsSession;
/**
@internalComponent
@@ -43,35 +44,43 @@
*/
enum TFbsPanic
{
- EFbsPanicNoConnection=1,
- EFbsPanicBadConnection,
- EFbsPanicUnknownMessage,
- EFbsPanicActiveSchedulerError,
- EFbsPanicStartupFailed,
- EFbsTypefaceStoreError,
- EFbsFontCreateFailed,
- EFbsFontAddressViolation,
- EFbsBitmapInvalidFormat,
- EFbsBitmapInvalidMode,
- EFbsBitmapInvalidCompression,
- EFbsBitmapDecompressionError,
- EFbsPanicChunkError,
- EFbsColor256UtilError,
- EFbsHardwareBitmapError,
- EFbsNotSupportedForCompression,
- EFbsBitmapAlignment,
- EFbsBitmapInvalidScanLinePtr,
- EFbsBitmapInvalidMode2,
- EFbsBitmapInvalidMode3,
- EFbsBitmapSwappingImpossible,
- EFbsPanicBadHeapLock,
- EFbsShaperNotYetCalled,
- EFbsShaperInvalidArguments,
- EFbsInvalidCompressionThreshold,
- EFbsTypefaceIndexOutOfRange,
- EFbsPanicBitmapDataCopy,
- EFbsPanicBitmapReadOnly,
- EFbsPanicInvalidBitmapType
+ EFbsPanicNoConnection = 1,
+ EFbsPanicBadConnection = 2,
+ EFbsPanicUnknownMessage = 3,
+ EFbsPanicActiveSchedulerError = 4,
+ EFbsPanicStartupFailed = 5,
+ EFbsTypefaceStoreError = 6,
+ EFbsFontCreateFailed = 7,
+ EFbsFontAddressViolation = 8,
+ EFbsBitmapInvalidFormat = 9,
+ EFbsBitmapInvalidMode = 10,
+ EFbsBitmapInvalidCompression = 11,
+ EFbsBitmapDecompressionError = 12,
+ EFbsPanicChunkError = 13,
+ EFbsColor256UtilError = 14,
+ EFbsHardwareBitmapError = 15,
+ EFbsNotSupportedForCompression = 16,
+ EFbsBitmapAlignment = 17,
+ EFbsBitmapInvalidScanLinePtr = 18,
+ EFbsBitmapInvalidMode2 = 19,
+ EFbsBitmapInvalidMode3 = 20,
+ EFbsBitmapSwappingImpossible = 21,
+ EFbsPanicBadHeapLock = 22,
+ EFbsShaperNotYetCalled = 23,
+ EFbsShaperInvalidArguments = 24,
+ EFbsInvalidCompressionThreshold = 25,
+ EFbsTypefaceIndexOutOfRange = 26,
+ EFbsPanicBitmapDataCopy = 27,
+ EFbsPanicBitmapReadOnly = 28,
+ EFbsPanicFontNullHandle = 29,
+ EFbsPanicGlyphDataIteratorClosed = 31,
+ EFbsPanicGlyphMetricsArrayOutOfBounds = 32,
+ EFbsPanicGlyphDataIteratorIndexOutOfRange = 33,
+ EFbsPanicInvalidBitmapType = 35,
+ EFbsPanicGlyphAtlasInconsistentState = 36,
+ EFbsPanicGlyphDataIteratorFailedToOpenImage = 37,
+ EFbsPanicGlyphDataIteratorInvalidState = 39,
+ EFbsPanicGlyphMetricsArrayInvalidState = 40,
};
class TScanLine
@@ -125,9 +134,9 @@
@internalComponent
*/
{
- public:
- TSizeInfo(){}
- TSizeInfo(TInt aMaxHeight,TSize aDevSize):iMaxHeight(aMaxHeight),iDevSize(aDevSize) {}
+public:
+ TSizeInfo(){}
+ TSizeInfo(TInt aMaxHeight,TSize aDevSize):iMaxHeight(aMaxHeight),iDevSize(aDevSize) {}
TInt iMaxHeight;
TSize iDevSize;
@@ -182,7 +191,8 @@
void ShrinkSmallSection(TInt aShrinkBy);
private:
RChunk iChunk;
- TInt iPageSize, iPageMask;
+ TInt iPageSize;
+ TInt iPageMask;
RPointerArray<TUint8> iSmallCells; // last address is not a cell but the top of the small section
RArray<TInt> iFreeSmallCellLinks; // index of Nth free small cell is element 0 + element 1 + ... + element N-1
TInt iLargeSectionBottom; // boundary between small & large sections
@@ -238,6 +248,100 @@
EFbsWdpPageBitmapDataAndSharedHeapChunksOnly=0x04, //SYMBIAN_GRAPHICS_FBSERV_PAGE_BITMAP_DATA_AND_SHARED_HEAP_ONLY was specified.
};
-#endif
+
+/*
+Structure used to pass parameters from FBS client to FBS server.
+Used when opening/closing an outline iterator.
+@internalTechnology
+*/
+class TFBSGlyphOutlineParam
+ {
+public:
+ TInt iHandle;
+ TInt iCount;
+ TBool iHinted;
+ };
+
+/*
+Structure used to pass font table/glyph outlines from FBS to FBS client.
+Used when opening an font table or an outline iterator.
+@internalTechnology
+*/
+class TOffsetLen
+ {
+public:
+ TInt iOffset;
+ TInt iLen;
+ };
+
+/**
+Maximum number of glyphs to be sent to server/received from client at a time,
+when retrieval of glyphs is necessary for implementation of RFbsGlyphDataIterator.
+*/
+const TInt KMaxGlyphBatchSize = 8;
+
+/**
+Maximum number of TOpenFontCharMetrics structures to be sent to server/received
+from client at a time, when retrieval of glyph metrics is necessary for
+implementation of RFbsGlyphMetricsArray.
+*/
+const TInt KMaxMetricsBatchSize = 16;
+/**
+Used by RFbsGlyphDataIterator for client/server communication of glyph info.
+Contains all the data necessary to retrieve a glyph from server and recreate
+glyph in client process.
+@internalComponent
+ */
+class TGlyphImageInfo
+ {
+public:
+ inline TGlyphImageInfo() : iImageId(KSgNullDrawableId), iPosX(0), iPosY(0) {}
+public:
+ TSgDrawableId iImageId;
+ TInt16 iPosX;
+ TInt16 iPosY;
+ TOpenFontCharMetrics iMetrics;
+ };
+/**
+Used by CGlyphDataIteratorImpl. It is a container to group the
+metadata and the image data of an individual glyph recevied from the
+server, all together. A collection of these is stored in the font,
+received from the server in batches.
+@internalComponent
+*/
+struct TGlyphBatchItem
+ {
+ TSglQueLink iLink;
+ RSgImage iImage;
+ TGlyphImageInfo iInfo;
+ };
+
+/**
+Implementor class of RFbsGlyphDataIterator. This class contains all
+state information and contains much of the implementation of the
+behaviour.
+@internalComponent
+ */
+NONSHARABLE_CLASS(CGlyphDataIteratorImpl) : public CBase
+ {
+public:
+ CGlyphDataIteratorImpl(TInt aFbsFontHandle, const TUint* aGlyphCodes, TInt aCount);
+ ~CGlyphDataIteratorImpl();
+ TInt Initialise();
+ TInt Next();
+ void UpdateGlyphRect();
+ TInt UpdateGlyphBatch(TInt aIndex);
+
+public:
+ TSglQue<TGlyphBatchItem> iGlyphBatch; // Linked-list of the current batch of received glyphs.
+ const TUint* iGlyphDataIterCodes; // An array of glyph codes
+ TInt iGlyphDataIterCodeCount; // The number of glyph codes in the array
+ TInt iGlyphDataIterCodeIndex; // The index of the current glyph code in the array
+ TRect iGlyphDataIterRect; // The current glyph rectangle.
+ TInt iFbsFontHandle; // The Font Handle the iterator was opened with
+ RFbsSession* iFbs;
+ };
+
+#endif