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-rw-r--r--Build/source/texk/web2c/pmpostdir/pmp.ch359
1 files changed, 359 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/pmpostdir/pmp.ch b/Build/source/texk/web2c/pmpostdir/pmp.ch
new file mode 100644
index 00000000000..edab992e8ec
--- /dev/null
+++ b/Build/source/texk/web2c/pmpostdir/pmp.ch
@@ -0,0 +1,359 @@
+% jMetaPost change file for MetaPost
+%
+% written by Michio Matsuyama <fwhw5892@mb.infoweb.ne.jp>
+% Hideyuki Suzuki <hideyuki@sat.t.u-tokyo.ac.jp>
+%
+% $Id: jmp.ch,v 1.42 2000/03/20 02:55:50 hideyuki Exp $
+
+%
+%
+% change file of mp.w for pMetaPost (CWEB version)
+% Akira Kakuto (translated the WEB version)
+%
+%
+
+@x
+@d default_banner "This is MetaPost, Version 2.00" /* printed when \MP\ starts */
+@y
+@z
+
+@x
+#define metapost_version "2.00"
+@y
+#ifdef UPMP
+#define P_UP "up"
+#define metapost_version "2.00-0.04-u1.27"
+#else
+#define P_UP "p"
+#define metapost_version "2.00-0.04"
+#endif
+#define default_banner "This is " P_UP "MetaPost, Version " metapost_version /* printed when \MP\ starts */
+@z
+
+@x
+# include <unistd.h> /* for access */
+#endif
+@y
+# include <unistd.h> /* for access */
+#endif
+#include <kpathsea/config.h>
+#include <kpathsea/kpathsea.h>
+#include <ptexenc/ptexenc.h>
+#include <errno.h>
+@z
+
+@x
+void mp_close_file (MP mp, void *f) {
+ (void) mp;
+ if (f != NULL)
+ fclose ((FILE *) f);
+@y
+void mp_close_file (MP mp, void *f) {
+ (void) mp;
+#ifdef WIN32
+ if (f != NULL) {
+ clear_infile_enc((FILE *)f);
+ fclose ((FILE *) f);
+ }
+#else
+ if (f != NULL)
+ fclose ((FILE *) f);
+#endif
+@z
+
+@x
+mp->buf_size = 200;
+@y
+{
+ char *kpse_buf = kpse_var_value("buf_size");
+ if(kpse_buf) {
+ mp->buf_size = atoi(kpse_buf);
+ free(kpse_buf);
+ } else {
+ mp->buf_size = 500000;
+ }
+}
+@z
+
+@x
+static boolean mp_input_ln (MP mp, void *f) {
+ /* inputs the next line or returns |false| */
+ char *s;
+ size_t size = 0;
+ mp->last = mp->first; /* cf.\ Matthew 19\thinspace:\thinspace30 */
+ s = (mp->read_ascii_file) (mp, f, &size);
+ if (s == NULL)
+ return false;
+ if (size > 0) {
+ mp->last = mp->first + size;
+ if (mp->last >= mp->max_buf_stack) {
+ mp->max_buf_stack = mp->last + 1;
+ while (mp->max_buf_stack > mp->buf_size) {
+ mp_reallocate_buffer (mp, (mp->buf_size + (mp->buf_size >> 2)));
+ }
+ }
+ (void) memcpy ((mp->buffer + mp->first), s, size);
+ }
+ free (s);
+ return true;
+}
+@y
+static boolean mp_input_ln (MP mp, void *f ) {
+ int i = EOF;
+ mp->last = input_line2((FILE *)f, mp->buffer, mp->first, mp->buf_size, &i);
+ if (i == EOF && errno != EINTR && mp->last == mp->first)
+ return false;
+ if (i != EOF && i != '\n' && i != '\r') {
+ fprintf (stderr, "! Unable to read an entire line---bufsize=%u.\n",
+ (unsigned) mp->buf_size);
+ fputs ("Please increase buf_size in texmf.cnf.\n", stderr);
+ exit (1);
+ }
+ if (i == '\r') {
+ while ((i = getc ((FILE *)f)) == EOF && errno == EINTR)
+ ;
+ if (i != '\n')
+ ungetc (i, f);
+ }
+ return true;
+}
+@z
+
+@x
+wterm (mp->banner);
+@y
+wterm (mp->banner);
+wterm(" (");
+wterm(getencstring());
+wterm(")");
+@z
+
+@x
+} four_quarters;
+typedef union {
+ integer sc;
+ four_quarters qqqq;
+} font_data;
+@y
+} four_quarters;
+typedef struct {
+ halfword RH, LH;
+} two_halves;
+typedef union {
+ two_halves hh;
+ integer sc;
+ four_quarters qqqq;
+} font_data;
+@z
+
+%
+% tategaki support
+%
+% Suppose h==(0,height), d==(0,-depth) && w==(width,0) in horizontal string,
+% && h==(height,0), d==(-depth,0) && w==(0,-width) in vertical string.
+% Four vertices of the bounding box is h, d, h+w && d+w && those of the
+% transformed boundig box is Th, Td, T(h+w) && T(d+w), so that the values
+% of Th, Td && Tw are compared here.
+
+@x
+@ The height width and depth information stored in a text node determines a
+rectangle that needs to be transformed according to the transformation
+parameters stored in the text node.
+
+@y
+@ The height width and depth information stored in a text node determines a
+rectangle that needs to be transformed according to the transformation
+parameters stored in the text node.
+
+Boundig box depends on JFM font ID.
+
+@d yoko_jfm_id 11 /* `yoko-kumi' fonts */
+@d tate_jfm_id 9 /* `tate-kumi' fonts */
+@d font_jfm_p(A) (mp->font_id[(A)]!=0)
+
+@z
+
+@x
+ mp_number x0a, y0a, x1a, y1a, arg1;
+ mp_text_node p0 = (mp_text_node)p;
+ new_number (x0a);
+ new_number (x1a);
+ new_number (y0a);
+ new_number (y1a);
+ new_number (arg1);
+ number_clone (arg1, p0->depth);
+ number_negate (arg1);
+ take_scaled (x1a, p0->txx, p0->width);
+ take_scaled (y0a, p0->txy, arg1);
+ take_scaled (y1a, p0->txy, p0->height);
+@y
+ mp_number x0a, y0a, x1a, y1a, arg1, arg2;
+ mp_text_node p0 = (mp_text_node)p;
+ new_number (x0a);
+ new_number (x1a);
+ new_number (y0a);
+ new_number (y1a);
+ new_number (arg1);
+ new_number (arg2);
+ number_clone (arg1, p0->depth);
+ number_negate (arg1);
+ number_clone (arg2, p0->width);
+ number_negate (arg2);
+ if ( mp->font_id[mp_font_n(p)]!=tate_jfm_id ) {
+ take_scaled (x1a, p0->txx, p0->width);
+ take_scaled (y0a, p0->txy, arg1);
+ take_scaled (y1a, p0->txy, p0->height);
+ } else {
+ take_scaled (x1a, p0->txy, arg2);
+ take_scaled (y0a, p0->txx, arg1);
+ take_scaled (y1a, p0->txx, p0->height);
+ }
+@z
+
+@x
+ take_scaled (x1a, p0->tyx, p0->width);
+ number_clone (arg1, p0->depth);
+ number_negate (arg1);
+ take_scaled (y0a, p0->tyy, arg1);
+ take_scaled (y1a, p0->tyy, p0->height);
+@y
+ if ( mp->font_id[mp_font_n(p)]!=tate_jfm_id ) {
+ take_scaled (x1a, p0->tyx, p0->width);
+ number_clone (arg1, p0->depth);
+ number_negate (arg1);
+ take_scaled (y0a, p0->tyy, arg1);
+ take_scaled (y1a, p0->tyy, p0->height);
+ } else {
+ number_clone (arg1, p0->depth);
+ number_negate (arg1);
+ number_clone (arg2, p0->width);
+ number_negate (arg2);
+ take_scaled (x1a, p0->tyy, arg2);
+ take_scaled (y0a, p0->tyx, arg1);
+ take_scaled (y1a, p0->tyx, p0->height);
+ }
+@z
+
+@x
+ wlog (mp->banner);
+@y
+ wlog (mp->banner);
+ wlog (" (");
+ wlog (getencstring());
+ wlog (")");
+@z
+
+%
+% char type pointers
+@x
+eight_bits *font_bc;
+eight_bits *font_ec; /* first and last character code */
+@y
+eight_bits *font_bc;
+eight_bits *font_ec; /* first and last character code */
+halfword *font_nt;
+halfword *font_id;
+@z
+
+@x
+int *char_base; /* base address for |char_info| */
+@y
+int *char_base; /* base address for |char_info| */
+int *ctype_base;
+@z
+
+@x
+xfree (mp->char_base);
+@y
+xfree (mp->font_id);
+xfree (mp->font_nt);
+xfree (mp->char_base);
+xfree (mp->ctype_base);
+@z
+
+@x
+ XREALLOC (mp->char_base, l, int);
+@y
+ XREALLOC (mp->font_id, l, halfword);
+ XREALLOC (mp->font_nt, l, halfword);
+ XREALLOC (mp->char_base, l, int);
+ XREALLOC (mp->ctype_base, l, int);
+@z
+
+
+@x
+mp->char_base[null_font] = 0;
+@y
+mp->font_id[null_font] = 0;
+mp->font_nt[null_font] = 0;
+mp->char_base[null_font] = 0;
+mp->ctype_base[null_font] = 0;
+@z
+
+@x
+@d char_mp_info(A,B) mp->font_info[mp->char_base[(A)]+(B)].qqqq
+@y
+@d char_mp_info(A,B) mp->font_info[mp->char_base[(A)]+(B)].qqqq
+@d ctype_char_end(A) (A)].hh.LH
+@d ctype_char(A) mp->font_info[mp->ctype_base[(A)]+ctype_char_end
+@d ctype_type_end(A) (A)].hh.RH
+@d ctype_type(A) mp->font_info[mp->ctype_base[(A)]+ctype_type_end
+@z
+
+%
+% lookup character type table
+@x
+void mp_set_text_box (MP mp, mp_text_node p) {
+@y
+@<Declare JFM function for text measuring@>;
+void mp_set_text_box (MP mp, mp_text_node p) {
+@z
+
+@x
+ if ((*(mp_text_p (p)->str + k) < bc) || (*(mp_text_p (p)->str + k) > ec)) {
+ mp_lost_warning (mp, f, *(mp_text_p (p)->str + k));
+ } else {
+ cc = char_mp_info (f, *(mp_text_p (p)->str + k));
+@y
+ if ( ((*(mp_text_p (p)->str + k) < bc) || (*(mp_text_p (p)->str + k) > ec)) && (mp->font_id[f]==0) ) {
+ mp_lost_warning (mp, f, *(mp_text_p (p)->str + k));
+ } else {
+ if (mp->font_id[f]!=0) {
+#ifdef UPMP
+ integer cx; /* code for Japanese two byte character */
+ if (multistrlen(mp_text_p (p)->str, kk, k)>1) {
+ cx=fromBUFF(mp_text_p (p)->str, kk, k);
+ k=k+multistrlen(mp_text_p (p)->str, kk, k)-1;
+ } else {
+ cx=*(mp_text_p (p)->str + k);
+ }
+ cc=char_mp_info(f,mp_lookup_ctype(mp, f, cx));
+#else
+ cc=char_mp_info(f,mp_lookup_ctype(mp, f,fromBUFF(mp_text_p(p)->str,limit,k)));
+ k++;
+#endif
+ } else {
+ cc = char_mp_info (f, *(mp_text_p (p)->str + k));
+ }
+@z
+
+@x
+@* Debugging.
+@y
+@ @<Declare JFM function for text measuring@>=
+static int mp_lookup_ctype (MP mp,font_number f, integer c)
+{
+ int l, u, r, ch;
+ l=0; u=mp->font_nt[f]-1;
+ while ( l<u ) {
+ r=(l+u)/2;
+ ch=ctype_char(f)(r);
+ if ( ch==c ) {
+ return ctype_type(f)(r);};
+ if ( ch<c ) l=r+1;
+ else u=r-1;
+ };
+ return 0;
+}
+@* Debugging.
+@z
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 06:02:59 +0000