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/* $XConsortium: spaces.h,v 1.3 91/10/10 11:19:22 rws Exp $ */
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/* Copyright International Business Machines, Corp. 1991
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* Copyright Lexmark International, Inc. 1991
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* License to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of IBM or Lexmark not be
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* used in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission.
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* IBM AND LEXMARK PROVIDE THIS SOFTWARE "AS IS", WITHOUT ANY WARRANTIES OF
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* ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
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* AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. THE ENTIRE RISK AS TO THE
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* QUALITY AND PERFORMANCE OF THE SOFTWARE, INCLUDING ANY DUTY TO SUPPORT
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* OR MAINTAIN, BELONGS TO THE LICENSEE. SHOULD ANY PORTION OF THE
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* SOFTWARE PROVE DEFECTIVE, THE LICENSEE (NOT IBM OR LEXMARK) ASSUMES THE
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* ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION. IN NO EVENT SHALL
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* IBM OR LEXMARK BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
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#define IDENTITY t1_Identity
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#define Context(d,u) t1_Context(d,u)
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#define Transform(o,f1,f2,f3,f4) t1_Transform(o,f1,f2,f3,f4)
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#define Rotate(o,d) t1_Rotate(o,d)
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#define Scale(o,sx,sy) t1_Scale(o,sx,sy)
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#define QuerySpace(S,f1,f2,f3,f4) t1_QuerySpace(S,f1,f2,f3,f4)
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#define Warp(s1,o,s2) t1_Warp(s1,o,s2)
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struct XYspace *t1_Context(); /* creates a coordinate space for a device */
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struct xobject *t1_Transform(); /* transform an object */
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struct xobject *t1_Rotate(); /* rotate an object */
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struct xobject *t1_Scale(); */ /* scale an object */
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struct xobject *t1_Warp(); /* transform like delta of two spaces */
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void t1_QuerySpace(); /* returns coordinate space matrix */
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#define DeviceResolution t1_DeviceResolution
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#define InitSpaces() t1_InitSpaces()
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#define CopySpace(s) t1_CopySpace(s)
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#define Xform(o,M) t1_Xform(o,M)
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#define UnConvert(S,pt,xp,yp) t1_UnConvert(S,pt,xp,yp)
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#define MatrixMultiply(A,B,C) t1_MMultiply(A,B,C)
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#define MatrixInvert(A,B) t1_MInvert(A,B)
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#define PseudoSpace(S,M) t1_PseudoSpace(S,M)
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#define FindContext(M) t1_FindContext(M)
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void t1_InitSpaces(); /* initialize pre-defined coordinate spaces */
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struct XYspace *t1_CopySpace(); /* duplicate a coordinate space */
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struct xobject *t1_Xform(); /* transform object by matrix */
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void t1_UnConvert(); /* return user coordinates from device coordinates */
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void t1_MMultiply(); /* multiply two matrices */
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void t1_MInvert(); /* invert a matrix */
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void t1_PseudoSpace(); /* force a coordinate space from a matrix */
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int t1_FindContext(); /* return the "context" represented by a matrix */
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/* #define KillSpace(s) Free(s)
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Note - redefined KillSpace() to check references !
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#define KillSpace(s) if ( (--(s->references) == 0) ||\
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( (s->references == 1) && ISPERMANENT(s->flag) ) )\
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#define ConsumeSpace(s) MAKECONSUME(s,KillSpace(s))
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#define UniqueSpace(s) MAKEUNIQUE(s,CopySpace(s))
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typedef SHORT pel; /* integer pel locations */
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typedef LONG fractpel; /* fractional pel locations */
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#define FRACTBITS 16 /* number of fractional bits in 'fractpel' */
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We define the following macros to convert from 'fractpel' to 'pel' and
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#define TOFRACTPEL(p) (((fractpel)p)<<FRACTBITS)
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#define FPHALF (1<<(FRACTBITS-1))
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#define NEARESTPEL(fp) (((fp)+FPHALF)>>FRACTBITS)
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#define FRACTFLOAT (DOUBLE)(1L<<FRACTBITS)
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struct doublematrix {
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DOUBLE inverse[2][2];
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XOBJ_COMMON /* xobject common data define 3-26-91 PNM */
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/* type = SPACETYPE */
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int (*convert)(); /* calculate "fractpoint" X,Y from float X,Y */
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int (*iconvert)(); /* calculate "fractpoint" X,Y from int X,Y */
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fractpel (*xconvert)(); /* subroutine of convert */
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fractpel (*yconvert)(); /* subroutine of convert */
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fractpel (*ixconvert)(); /* subroutine of iconvert */
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fractpel (*iyconvert)(); /* subroutine of iconvert */
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int ID; /* unique identifier (used in font caching) */
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unsigned char context; /* device context of coordinate space */
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struct doublematrix tofract; /* xform to get to fractional pels */
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fractpel itofract[2][2]; /* integer version of "tofract.normal" */
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#define INVALIDID 0 /* no valid space will have this ID */
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#define NULLCONTEXT 0
added
removed
T1lib/type1/spaces_rmz.h
