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Diffstat (limited to 'libXfont/src/Type1/spaces.h')
| -rw-r--r-- | libXfont/src/Type1/spaces.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/libXfont/src/Type1/spaces.h b/libXfont/src/Type1/spaces.h new file mode 100644 index 000000000..88d1b1524 --- /dev/null +++ b/libXfont/src/Type1/spaces.h @@ -0,0 +1,151 @@ +/* $Xorg: spaces.h,v 1.3 2000/08/17 19:46:32 cpqbld Exp $ */ +/* Copyright International Business Machines, Corp. 1991 + * All Rights Reserved + * Copyright Lexmark International, Inc. 1991 + * All Rights Reserved + * + * License to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, + * provided that the above copyright notice appear in all copies and that + * both that copyright notice and this permission notice appear in + * supporting documentation, and that the name of IBM or Lexmark not be + * used in advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * + * IBM AND LEXMARK PROVIDE THIS SOFTWARE "AS IS", WITHOUT ANY WARRANTIES OF + * ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, + * AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. THE ENTIRE RISK AS TO THE + * QUALITY AND PERFORMANCE OF THE SOFTWARE, INCLUDING ANY DUTY TO SUPPORT + * OR MAINTAIN, BELONGS TO THE LICENSEE. SHOULD ANY PORTION OF THE + * SOFTWARE PROVE DEFECTIVE, THE LICENSEE (NOT IBM OR LEXMARK) ASSUMES THE + * ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION. IN NO EVENT SHALL + * IBM OR LEXMARK BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF + * THIS SOFTWARE. + */ +/* $XFree86: xc/lib/font/Type1/spaces.h,v 3.3 1999/08/22 08:58:53 dawes Exp $ */ + +/*SHARED*/ + +#define USER t1_User +#define IDENTITY t1_Identity + +#define Context(d,u) t1_Context(d,u) +#define Transform(o,f1,f2,f3,f4) t1_Transform(o,f1,f2,f3,f4) +#define Rotate(o,d) t1_Rotate(o,d) +#define Scale(o,sx,sy) t1_Scale(o,sx,sy) +#define QuerySpace(S,f1,f2,f3,f4) t1_QuerySpace(S,f1,f2,f3,f4) +#define Warp(s1,o,s2) t1_Warp(s1,o,s2) + +/* IDENTITY space */ +extern struct XYspace *IDENTITY; + +/* creates a coordinate space for a device */ +extern struct XYspace *Context(pointer device, double units); +/* transform an object */ +extern struct xobject *t1_Transform ( struct xobject *obj, double cxx, + double cyx, double cxy, double cyy ); +/* returns coordinate space matrix */ +extern void t1_QuerySpace ( struct XYspace *S, double *cxxP, double *cyxP, + double *cxyP, double *cyyP ); + +/*END SHARED*/ +/*SHARED*/ + +/* #define KillSpace(s) Free(s) +Note - redefined KillSpace() to check references ! +3-26-91 PNM */ + +#define KillSpace(s) if ( (--(s->references) == 0) ||\ + ( (s->references == 1) && ISPERMANENT(s->flag) ) )\ + Free(s) + +#define ConsumeSpace(s) MAKECONSUME(s,KillSpace(s)) +#define UniqueSpace(s) MAKEUNIQUE(s,CopySpace(s)) + +/*END SHARED*/ +/*SHARED*/ + +typedef short pel; /* integer pel locations */ +typedef long fractpel; /* fractional pel locations */ + +#define FRACTBITS 16 /* number of fractional bits in 'fractpel' */ +/* +We define the following macros to convert from 'fractpel' to 'pel' and +vice versa: +*/ +#define TOFRACTPEL(p) (((fractpel)p)<<FRACTBITS) +#define FPHALF (1<<(FRACTBITS-1)) +#define NEARESTPEL(fp) (((fp)+FPHALF)>>FRACTBITS) +#define FRACTFLOAT (double)(1L<<FRACTBITS) + +/*END SHARED*/ +/*SHARED*/ + +struct doublematrix { + double normal[2][2]; + double inverse[2][2]; +} ; + +/*END SHARED*/ +/*SHARED*/ + +struct fractpoint { + fractpel x,y; +} ; + +/*SHARED*/ + +typedef fractpel (*convertFunc)(double, double, double, double); +typedef fractpel (*iconvertFunc)(fractpel, fractpel, long, long); + +struct XYspace { + XOBJ_COMMON /* xobject common data define 3-26-91 PNM */ + /* type = SPACETYPE */ + void (*convert)(struct fractpoint *, struct XYspace *, double, double); /* calculate "fractpoint" X,Y from float X,Y */ + void (*iconvert)(struct fractpoint *, struct XYspace *, long, long); /* calculate "fractpoint" X,Y from int X,Y */ + convertFunc xconvert; /* subroutine of convert */ + convertFunc yconvert; /* subroutine of convert */ + iconvertFunc ixconvert; /* subroutine of iconvert */ + iconvertFunc iyconvert; /* subroutine of iconvert */ + int ID; /* unique identifier (used in font caching) */ + unsigned char context; /* device context of coordinate space */ + struct doublematrix tofract; /* xform to get to fractional pels */ + fractpel itofract[2][2]; /* integer version of "tofract.normal" */ +} ; + +#define INVALIDID 0 /* no valid space will have this ID */ + +/*END SHARED*/ +/*END SHARED*/ +/*SHARED*/ + +#define DeviceResolution t1_DeviceResolution +#define InitSpaces t1_InitSpaces +#define CopySpace(s) t1_CopySpace(s) +#define Xform(o,M) t1_Xform(o,M) +#define UnConvert(S,pt,xp,yp) t1_UnConvert(S,pt,xp,yp) +#define MatrixMultiply(A,B,C) t1_MMultiply(A,B,C) +#define MatrixInvert(A,B) t1_MInvert(A,B) +#define PseudoSpace(S,M) t1_PseudoSpace(S,M) +#define FindContext(M) t1_FindContext(M) + +/* initialize pre-defined coordinate spaces */ +extern void t1_InitSpaces ( void ); +/* duplicate a coordinate space */ +extern struct XYspace *t1_CopySpace ( struct XYspace *S ); +/* return user coordinates from device coordinates */ +extern void t1_UnConvert ( struct XYspace *S, struct fractpoint *pt, + double *xp, double *yp ); +/* return the "context" represented by a matrix */ +int t1_FindContext(double M[2][2]); + +/*END SHARED*/ +/*SHARED*/ + +#define NULLCONTEXT 0 + +/*END SHARED*/ |