CDRTransformConvertor4 Class Reference

#include <cdrfiltr.h>

Inheritance diagram for CDRTransformConvertor4:

List of all members.

Public Member Functions
BOOL	Init (ADDR Data, INT32 Size)
	intialises this convertor
UINT32	GetNTransforms ()
CDRTransformType	GetTransformType (UINT32 n)
	gets a transform type from an trfd chunk
BOOL	GetMatrix (cdrMatrix *M, UINT32 n)
	converts a matrix from position N
BOOL	GetPerspective (cdrPerspective *P, UINT32 n)
	converts a perspective from position N
BOOL	GetEnvelope (Path **P, DocRect *OriginalBBox, INT32 *Corners, UINT32 n)
	converts a envelope from position N
BOOL	GetExtrude (cdrExtrudeInfo *Info, UINT32 n)
	converts a matrix from position N
Private Member Functions
	CC_DECLARE_MEMDUMP (CDRTransformConvertor4)
Private Attributes
cdrfTransformV4 *	Trans
ADDR	List
INT32	ListSize

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Detailed Description

Definition at line 1030 of file cdrfiltr.h.

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Member Function Documentation

CDRTransformConvertor4::CC_DECLARE_MEMDUMP (  CDRTransformConvertor4   )  [private]

BOOL CDRTransformConvertor4::GetEnvelope (  Path **  P, DocRect *  OriginalBBox, INT32 *  Corners, UINT32  n )  [virtual]

converts a envelope from position N Author: Ben_Summers (Xara Group Ltd) <camelotdev@xara.com> Date: 23/05/95 Parameters: pointer  to a pointer to a nodepath to fill in, a docrect for the orignial BBox [INPUTS] and the position Returns: a transform type See also: CDRFilter Implements CDRTransformConvertor. Definition at line 4491 of file cdrfiltr.cpp. { if(n >= CDRDATA_WORD(Trans->NTransforms)) return FALSE; cdrfTransformHeader *Hdr; WORD *Offsets = (WORD *)(((ADDR)Trans) + Trans->OffsetsStart); // run through to this entry counting the number of entries before this one INT32 EnvelopesSoFar = 0; for(UINT32 l = 0; l <= n; l++) { Hdr = (cdrfTransformHeader *)(cdrfTransformHeader *)(((ADDR)Trans) + Offsets[l]); // increment the number of envelopes so far... if(CDRDATA_WORD(Hdr->Type) == cdrfTRANSFORMTYPE_ENVELOPE) EnvelopesSoFar++; } ERROR2IF(EnvelopesSoFar <= 0, FALSE, "No envelopes found!"); // OK, convert this entry... if(!ConvertEnvelopeBBox((ADDR)Hdr, OriginalBBox, Corners)) return FALSE; if(!ConvertEnvelopePath(List, ListSize, EnvelopesSoFar - 1, P)) return FALSE; return TRUE; }

BOOL CDRTransformConvertor4::GetExtrude (  cdrExtrudeInfo *  Info, UINT32  n )  [virtual]

converts a matrix from position N Author: Ben_Summers (Xara Group Ltd) <camelotdev@xara.com> Date: 08/01/96 Parameters: extrude  info to convert to, transform number [INPUTS] Returns: a transform type See also: CDRFilter Implements CDRTransformConvertor. Definition at line 4214 of file cdrfiltr.cpp. { if(n >= Trans->NTransforms) return FALSE; WORD *Offsets = (WORD *)(((ADDR)Trans) + Trans->OffsetsStart); cdrfTransformHeader *Hdr = (cdrfTransformHeader *)(((ADDR)Trans) + Offsets[n]); return ConvertExtrudeInfo((cdrfTransformExtrude *)Hdr, Info); }

BOOL CDRTransformConvertor4::GetMatrix (  cdrMatrix *  M, UINT32  n )  [virtual]

converts a matrix from position N Author: Ben_Summers (Xara Group Ltd) <camelotdev@xara.com> Date: 26 03 95 Parameters: matrix  to convert into, transform number [INPUTS] Returns: a transform type See also: CDRFilter Implements CDRTransformConvertor. Definition at line 4044 of file cdrfiltr.cpp. { if(n >= Trans->NTransforms) return FALSE; WORD *Offsets = (WORD *)(((ADDR)Trans) + Trans->OffsetsStart); cdrfTransformHeader *Hdr = (cdrfTransformHeader *)(((ADDR)Trans) + Offsets[n]); ERROR3IF(Hdr->Type != cdrfTRANSFORMTYPE_MATRIX, "GetMatrix called for a non matrix trfd entry"); // unsigned word pointer WORD *TDataUS = (WORD *)(Hdr + 1); // signed word pointer SWORD *TDataS = (SWORD *)(Hdr + 1); // signed dword pointer SDWORD *TDDataS = (SDWORD *)(Hdr + 1); // convert the matrix - an interesting mix of 16.16 fixed point values and a // signed double word translation vector M->a = (FLOAT8)CDRDATA_SWORD(TDataS[1]) + ((FLOAT8)CDRDATA_WORD(TDataUS[0]) / 0xffff); M->b = (FLOAT8)CDRDATA_SWORD(TDataS[3]) + ((FLOAT8)CDRDATA_WORD(TDataUS[2]) / 0xffff); M->c = (FLOAT8)(CDRDATA_DSWORD(TDDataS[2]) * CDRCOORDS_TO_MILLIPOINTS); M->d = (FLOAT8)CDRDATA_SWORD(TDataS[7]) + ((FLOAT8)CDRDATA_WORD(TDataUS[6]) / 0xffff); M->e = (FLOAT8)CDRDATA_SWORD(TDataS[9]) + ((FLOAT8)CDRDATA_WORD(TDataUS[8]) / 0xffff); M->f = (FLOAT8)(CDRDATA_DSWORD(TDDataS[5]) * CDRCOORDS_TO_MILLIPOINTS); return TRUE; }

UINT32 CDRTransformConvertor4::GetNTransforms (   )  [inline, virtual]

Implements CDRTransformConvertor. Definition at line 1036 of file cdrfiltr.h. {return CDRDATA_WORD(Trans->NTransforms);};

BOOL CDRTransformConvertor4::GetPerspective (  cdrPerspective *  P, UINT32  n )  [virtual]

converts a perspective from position N Author: Ben_Summers (Xara Group Ltd) <camelotdev@xara.com> Date: 18/05/95 Parameters: perspective  to convert into, transform number [INPUTS] Returns: a transform type See also: CDRFilter Implements CDRTransformConvertor. Definition at line 4015 of file cdrfiltr.cpp. { if(n >= Trans->NTransforms) return FALSE; WORD *Offsets = (WORD *)(((ADDR)Trans) + Trans->OffsetsStart); cdrfTransformHeader *Hdr = (cdrfTransformHeader *)(((ADDR)Trans) + Offsets[n]); ERROR3IF(Hdr->Type != cdrfTRANSFORMTYPE_PERSPECTIVE, "GetPerspective called for a non matrix trfd entry"); cdrfPerspectiveEntry *Per = (cdrfPerspectiveEntry *)Hdr; return ConvertPerspective(P, & Per->Trans); }

CDRTransformType CDRTransformConvertor4::GetTransformType (  UINT32  n  )  [virtual]

gets a transform type from an trfd chunk Author: Ben_Summers (Xara Group Ltd) <camelotdev@xara.com> Date: 26 03 95 Parameters: transform  number [INPUTS] Returns: a transform type See also: CDRFilter Implements CDRTransformConvertor. Definition at line 3844 of file cdrfiltr.cpp. { if(n >= CDRDATA_WORD(Trans->NTransforms)) return CDRTRANSFORMTYPE_UNKNOWN; WORD *Offsets = (WORD *)(((ADDR)Trans) + CDRDATA_WORD(Trans->OffsetsStart)); cdrfTransformHeader *Hdr = (cdrfTransformHeader *)(((ADDR)Trans) + CDRDATA_WORD(Offsets[n])); switch(CDRDATA_WORD(Hdr->Type)) { case cdrfTRANSFORMTYPE_MATRIX: return CDRTRANSFORMTYPE_MATRIX; break; case cdrfTRANSFORMTYPE_PERSPECTIVE: return CDRTRANSFORMTYPE_PERSPECTIVE; break; #ifdef CDR_DOEXTRUDE case cdrfTRANSFORMTYPE_EXTRUDE: return CDRTRANSFORMTYPE_EXTRUDE; break; #endif case cdrfTRANSFORMTYPE_ENVELOPE: return CDRTRANSFORMTYPE_ENVELOPE; break; default: TRACEUSER( "Ben", _T("[] Unknown v4 transform type\n")); break; } return CDRTRANSFORMTYPE_UNKNOWN; }

BOOL CDRTransformConvertor4::Init (  ADDR  Data, INT32  Size )  [virtual]

intialises this convertor Author: Ben_Summers (Xara Group Ltd) <camelotdev@xara.com> Date: 06/06/95 Parameters: pointer  to trfl list and it's size [INPUTS] Returns: whether the contents are OK See also: CDRFilter Implements CDRTransformConvertor. Definition at line 3766 of file cdrfiltr.cpp. { List = Data; ListSize = Size; ADDR TransformData; if(!RIFFFile::FindChunkWithinListContents(List, ListSize, cdrT_trfd, 0, &TransformData, 0)) return 0; Trans = (cdrfTransformV4 *)TransformData; return TRUE; }

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Member Data Documentation

ADDR CDRTransformConvertor4::List [private]

Definition at line 1044 of file cdrfiltr.h.

INT32 CDRTransformConvertor4::ListSize [private]

Definition at line 1045 of file cdrfiltr.h.

cdrfTransformV4* CDRTransformConvertor4::Trans [private]

Definition at line 1043 of file cdrfiltr.h.

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The documentation for this class was generated from the following files:

• Kernel/cdrfiltr.h (r1785/r1282)
• Kernel/cdrfiltr.cpp (r1785/r1282)

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