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-rw-r--r--src/Type1/fontfcn.c311
1 files changed, 0 insertions, 311 deletions
diff --git a/src/Type1/fontfcn.c b/src/Type1/fontfcn.c
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--- a/src/Type1/fontfcn.c
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-/* $Xorg: fontfcn.c,v 1.4 2000/08/17 19:46:30 cpqbld Exp $ */
-/* Copyright International Business Machines,Corp. 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 not be used in advertising or
- * publicity pertaining to distribution of the software without
- * specific, written prior permission.
- *
- * IBM PROVIDES 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) ASSUMES
- * THE ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION. IN
- * NO EVENT SHALL IBM 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.
- */
-/* Author: Katherine A. Hitchcock IBM Almaden Research Laboratory */
-/* $XFree86: xc/lib/font/Type1/fontfcn.c,v 1.10 2001/04/05 17:42:27 dawes Exp $ */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include "t1imager.h"
-#include "util.h"
-#include <X11/fonts/fntfilst.h>
-#include "fontfcn.h"
-
-extern struct segment *Type1Char ( char *env, XYspace S,
- psobj *charstrP, psobj *subrsP,
- psobj *osubrsP,
- struct blues_struct *bluesP, int *modeP );
-
-
-/***================================================================***/
-/* GLOBALS */
-/***================================================================***/
-static char CurFontName[120];
-static char *vm_base = NULL;
-psfont *FontP = NULL;
-static psfont TheCurrentFont;
-
-/***================================================================***/
-/* SearchDict - look for name */
-/* - compare for match on len and string */
-/* return 0 - not found. */
-/* return n - nth element in dictionary. */
-/***================================================================***/
-int
-SearchDictName(psdict *dictP, psobj *keyP)
-{
- int i,n;
-
-
- n = dictP[0].key.len;
- for (i=1;i<=n;i++) { /* scan the intire dictionary */
- if (
- (dictP[i].key.len == keyP->len )
- &&
- (strncmp(dictP[i].key.data.valueP,
- keyP->data.valueP,
- keyP->len) == 0
- )
- ) return(i);
- }
- return(0);
-}
-
-static boolean
-initFont(int cnt)
-{
-
- if (!(vm_init(cnt))) return(FALSE);
- vm_base = vm_next_byte();
- if (!(Init_BuiltInEncoding())) return(FALSE);
- strcpy(CurFontName, ""); /* iniitialize to none */
- FontP = &TheCurrentFont;
- FontP->vm_start = vm_next_byte();
- FontP->FontFileName.len = 0;
- FontP->FontFileName.data.valueP = CurFontName;
- return(TRUE);
-}
-/***================================================================***/
-static void
-resetFont(char *env)
-{
-
- vm_next = FontP->vm_start;
- vm_free = vm_size - ( vm_next - vm_base);
- FontP->Subrs.len = 0;
- FontP->Subrs.data.stringP = NULL;
- FontP->CharStringsP = NULL;
- FontP->Private = NULL;
- FontP->fontInfoP = NULL;
- FontP->BluesP = NULL;
- /* This will load the font into the FontP */
- strcpy(CurFontName,env);
- FontP->FontFileName.len = strlen(CurFontName);
- FontP->FontFileName.data.valueP = CurFontName;
-
-}
-
-static int
-readFont(char *env)
-{
- int rcode;
-
- /* restore the virtual memory and eliminate old font */
- resetFont(env);
- /* This will load the font into the FontP */
- rcode = scan_font(FontP);
- if (rcode == SCAN_OUT_OF_MEMORY) {
- if (!(initFont(vm_size * 2))) {
- /* we are really out of memory */
- return(SCAN_OUT_OF_MEMORY);
- }
- resetFont(env);
- rcode = scan_font(FontP);
- /* only double the memory once, then report error */
- }
- return(rcode);
-}
-/***================================================================***/
-struct xobject *
-fontfcnB(struct XYspace *S, unsigned char *code, int *lenP, int *mode)
-{
- psobj *charnameP; /* points to psobj that is name of character*/
- int N;
- psdict *CharStringsDictP; /* dictionary with char strings */
- psobj CodeName; /* used to store the translation of the name*/
- psobj *SubrsArrayP;
- psobj *theStringP;
-
- struct xobject *charpath; /* the path for this character */
-
- charnameP = &CodeName;
- charnameP->len = *lenP;
- charnameP->data.stringP = code;
-
- CharStringsDictP = FontP->CharStringsP;
-
- /* search the chars string for this charname as key */
- N = SearchDictName(CharStringsDictP,charnameP);
- if (N<=0) {
- *mode = FF_PARSE_ERROR;
- return(NULL);
- }
- /* ok, the nth item is the psobj that is the string for this char */
- theStringP = &(CharStringsDictP[N].value);
-
- /* get the dictionary pointers to the Subrs */
-
- SubrsArrayP = &(FontP->Subrs);
- /* scale the Adobe fonts to 1 unit high */
- /* call the type 1 routine to rasterize the character */
- charpath = (struct xobject *)Type1Char((char *)FontP,S,theStringP,
- SubrsArrayP,NULL,
- FontP->BluesP , mode);
- /* if Type1Char reported an error, then return */
- if ( *mode == FF_PARSE_ERROR) return(NULL);
- /* fill with winding rule unless path was requested */
- if (*mode != FF_PATH) {
- charpath = (struct xobject *)Interior((struct segment *)charpath,
- WINDINGRULE+CONTINUITY);
- }
- return(charpath);
-}
-
-
-/***================================================================***/
-/* fontfcnA(env, mode) */
-/* */
-/* env is a pointer to a string that contains the fontname. */
-/* */
-/* 1) initialize the font - global indicates it has been done */
-/* 2) load the font */
-/***================================================================***/
-Bool
-fontfcnA(char *env, int *mode)
-{
- int rc;
-
- /* Has the FontP initialized? If not, then */
- /* Initialize */
- if (FontP == NULL) {
- InitImager();
- if (!(initFont(VM_SIZE))) {
- /* we are really out of memory */
- *mode = SCAN_OUT_OF_MEMORY;
- return(FALSE);
- }
- }
-
- /* if the env is null, then use font already loaded */
-
- /* if the not same font name */
- if ( (env) && (strcmp(env,CurFontName) != 0 ) ) {
- /* restore the virtual memory and eliminate old font, read new one */
- rc = readFont(env);
- if (rc != 0 ) {
- strcpy(CurFontName, ""); /* no font loaded */
- *mode = rc;
- return(FALSE);
- }
- }
- return(TRUE);
-
-}
-
-/***================================================================***/
-/* QueryFontLib(env, infoName,infoValue,rcodeP) */
-/* */
-/* env is a pointer to a string that contains the fontname. */
-/* */
-/* 1) initialize the font - global indicates it has been done */
-/* 2) load the font */
-/* 3) use the font to call getInfo for that value. */
-/***================================================================***/
-
-void
-QueryFontLib(char *env, char *infoName,
- pointer infoValue, /* parameter returned here */
- int *rcodeP)
-{
- int rc,N,i;
- psdict *dictP;
- psobj nameObj;
- psobj *valueP;
-
- /* Has the FontP initialized? If not, then */
- /* Initialize */
- if (FontP == NULL) {
- InitImager();
- if (!(initFont(VM_SIZE))) {
- *rcodeP = 1;
- return;
- }
- }
- /* if the env is null, then use font already loaded */
- /* if the not same font name, reset and load next font */
- if ( (env) && (strcmp(env,CurFontName) != 0 ) ) {
- /* restore the virtual memory and eliminate old font */
- rc = readFont(env);
- if (rc != 0 ) {
- strcpy(CurFontName, ""); /* no font loaded */
- *rcodeP = 1;
- return;
- }
- }
- dictP = FontP->fontInfoP;
- objFormatName(&nameObj,strlen(infoName),infoName);
- N = SearchDictName(dictP,&nameObj);
- /* if found */
- if ( N > 0 ) {
- *rcodeP = 0;
- switch (dictP[N].value.type) {
- case OBJ_ARRAY:
- valueP = dictP[N].value.data.arrayP;
- /* Just double check valueP. H.J. */
- if (valueP == NULL) break;
- if (strcmp(infoName,"FontMatrix") == 0) {
- /* 6 elments, return them as floats */
- for (i=0;i<6;i++) {
- if (valueP->type == OBJ_INTEGER )
- ((float *)infoValue)[i] = valueP->data.integer;
- else
- ((float *)infoValue)[i] = valueP->data.real;
- valueP++;
- }
- }
- if (strcmp(infoName,"FontBBox") == 0) {
- /* 4 elments for Bounding Box. all integers */
- for (i=0;i<4;i++) {
- ((int *)infoValue)[i] = valueP->data.integer;
- valueP++;
- }
- break;
- case OBJ_INTEGER:
- case OBJ_BOOLEAN:
- *((int *)infoValue) = dictP[N].value.data.integer;
- break;
- case OBJ_REAL:
- *((float *)infoValue) = dictP[N].value.data.real;
- break;
- case OBJ_NAME:
- case OBJ_STRING:
- *((char **)infoValue) = dictP[N].value.data.valueP;
- break;
- default:
- *rcodeP = 1;
- break;
- }
- }
- }
- else *rcodeP = 1;
-}
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