638 iFbs->SendCommand(EFbsMessShapeDelete,iHandle,PointerToOffset(aParam->iShapeHeader, iFbs->HeapBase())); |
634 iFbs->SendCommand(EFbsMessShapeDelete,iHandle,PointerToOffset(aParam->iShapeHeader, iFbs->HeapBase())); |
639 return KErrNone; |
635 return KErrNone; |
640 } |
636 } |
641 |
637 |
642 |
638 |
643 TInt CFbsFont::DoGetFontTable(TGetFontTableParam* aParam) const |
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644 { |
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645 TInt ret = KErrGeneral; |
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646 |
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647 TPckgBuf<TOffsetLen> retBuf; |
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648 ret = iFbs->SendCommand(EFbsMessGetFontTable, |
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649 TIpcArgs(iHandle, aParam->iTag, &retBuf)); |
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650 |
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651 if (KErrNone == ret) |
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652 { |
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653 aParam->iLength = retBuf().iLen; |
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654 aParam->iContent = OffsetToPointer(retBuf().iOffset, iFbs->HeapBase()); |
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655 } |
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656 return ret; |
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657 } |
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658 |
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659 |
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660 TInt CFbsFont::DoGetGlyphOutline(TGetGlyphOutlineParam* aParam) const |
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661 { |
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662 TInt ret = KErrGeneral; |
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663 |
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664 TPckgBuf<TFBSGlyphOutlineParam> paramsBuf; |
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665 TInt count = aParam->iCount; |
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666 paramsBuf().iCount = aParam->iCount; |
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667 paramsBuf().iHinted = aParam->iHinted; |
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668 paramsBuf().iHandle = iHandle; |
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669 |
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670 TOffsetLen* offsetLen = (TOffsetLen *)User::Alloc(count * sizeof(TOffsetLen)); |
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671 if (NULL == offsetLen) |
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672 { |
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673 return KErrNoMemory; |
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674 } |
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675 TPtr8 retBuf((TUint8 *)offsetLen, count * sizeof(TOffsetLen), |
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676 count * sizeof(TOffsetLen)); |
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677 TPtr8 codes((TUint8 *)(aParam->iCodes), count * sizeof(TUint), |
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678 count * sizeof(TUint)); |
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679 |
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680 ret = iFbs->SendCommand( EFbsMessGetGlyphOutline, |
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681 TIpcArgs(¶msBuf, &codes, &retBuf)); |
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682 |
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683 if (KErrNone == ret) |
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684 { |
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685 // server writes the offsets back to client, convert them |
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686 // to local pointers. |
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687 for (TInt i = 0; i < aParam->iCount; ++i) |
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688 { |
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689 aParam->iOutlines[i] = OffsetToPointer(offsetLen[i].iOffset, |
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690 iFbs->HeapBase()); |
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691 aParam->iLengths[i] = offsetLen[i].iLen; |
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692 } |
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693 } |
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694 User::Free(offsetLen); |
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695 return ret; |
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696 } |
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697 |
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698 TInt CFbsFont::DoReleaseGlyphOutline(TReleaseGlyphOutlineParam* aParam) const |
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699 { |
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700 TInt ret = KErrGeneral; |
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701 |
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702 TPckgBuf<TFBSGlyphOutlineParam> params; |
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703 TInt count = aParam->iCount; |
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704 params().iCount = count; |
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705 params().iHinted = aParam->iHinted; |
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706 params().iHandle = iHandle; |
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707 |
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708 TPtr8 codes((unsigned char *)aParam->iCodes, count * sizeof(TUint), count * sizeof(TUint)); |
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709 |
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710 ret = iFbs->SendCommand(EFbsMessReleaseGlyphOutline, |
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711 TIpcArgs(¶ms, &codes)); |
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712 |
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713 return ret; |
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714 } |
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715 |
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716 TInt CFbsFont::DoReleaseFontTable(TUint32* aParam) const |
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717 { |
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718 TInt ret = KErrGeneral; |
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719 |
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720 ret = iFbs->SendCommand(EFbsMessReleaseFontTable, |
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721 TIpcArgs(iHandle, *aParam)); |
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722 |
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723 return ret; |
|
724 } |
|
725 /** API extension system that enables the caller to access a particular API |
639 /** API extension system that enables the caller to access a particular API |
726 extension function. As an overload of this function in a derived class |
640 extension function. As an overload of this function in a derived class |
727 it calls its immediate parent implementation for any extension function Uid |
641 it calls its immediate parent implementation for any extension function Uid |
728 that it does not recognize and handle. |
642 that it does not recognize and handle. |
729 @param aInterfaceId UID of the required extension function |
643 @param aInterfaceId UID of the required extension function |
730 @param aParam Pointer to an arbitrary parameter block that can be used to |
644 @param aParam Pointer to an arbitrary parameter block that can be used to |
731 provide and/or return information to/from the particular extension function, |
645 provide and/or return information to/from the particular extension function, |
732 defaults to NULL. |
646 defaults to NULL. |
733 @return Integer return value from extension function, a system wide error code. |
647 @return Integer return value from extension function, a system wide error code. |
734 @panic FBSCLI 31, in debug builds only, if iExtra is NULL when it must not be. |
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735 @panic FBSCLI 38, in debug builds only, if a reserved error code is returned |
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736 from an extended function. |
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737 @internalTechnology |
648 @internalTechnology |
738 @released |
649 @released |
739 */ |
650 */ |
740 EXPORT_C TInt CFbsFont::DoExtendedFunction(TUid aFunctionId, TAny* aParam) const |
651 EXPORT_C TInt CFbsFont::DoExtendedFunction(TUid aFunctionId, TAny* aParam) const |
741 { |
652 { |
761 else if (aFunctionId == KTextInContextWidthInPixelsUid) |
672 else if (aFunctionId == KTextInContextWidthInPixelsUid) |
762 { |
673 { |
763 TTextWidthInternal* contextParam = (TTextWidthInternal*)aParam; |
674 TTextWidthInternal* contextParam = (TTextWidthInternal*)aParam; |
764 return DoTextWidthInPixels(contextParam->iText,&contextParam->iParam); |
675 return DoTextWidthInPixels(contextParam->iText,&contextParam->iParam); |
765 } |
676 } |
766 else if (aFunctionId == KFontGetFontTable) |
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767 { |
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768 return DoGetFontTable(reinterpret_cast<TGetFontTableParam *>(aParam)); |
|
769 } |
|
770 else if (aFunctionId == KFontGetGlyphOutline) |
|
771 { |
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772 return DoGetGlyphOutline(reinterpret_cast<TGetGlyphOutlineParam *>(aParam)); |
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773 } |
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774 else if (aFunctionId == KFontReleaseGlyphOutline) |
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775 { |
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776 return DoReleaseGlyphOutline(reinterpret_cast<TReleaseGlyphOutlineParam *>(aParam)); |
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777 } |
|
778 else if (aFunctionId == KFontReleaseFontTable) |
|
779 { |
|
780 return DoReleaseFontTable(reinterpret_cast<TUint32 *>(aParam)); |
|
781 } |
|
782 } |
677 } |
783 return CFont::DoExtendedFunction(aFunctionId, aParam); |
678 return CFont::DoExtendedFunction(aFunctionId, aParam); |
784 } |
679 } |
785 |
680 |