-#define PS_GROWBUF(p, sz) \
- do if ((p)->engine.ps.psmargcur + (sz) > \
- (p)->engine.ps.psmargsz) { \
- (p)->engine.ps.psmargsz += /* CONSTCOND */ \
- MAX(PS_BUFSLOP, (sz)); \
- (p)->engine.ps.psmarg = realloc \
- ((p)->engine.ps.psmarg, \
- (p)->engine.ps.psmargsz); \
- if (NULL == (p)->engine.ps.psmarg) { \
- perror(NULL); \
- exit(EXIT_FAILURE); \
- } \
- } while (/* CONSTCOND */ 0)
-
-static void ps_letter(struct termp *, char);
+
+/* Convert PostScript point "x" to an AFM unit. */
+#define PNT2AFM(p, x) \
+ (size_t)((double)(x) * (1000.0 / (double)(p)->ps->scale))
+
+/* Convert an AFM unit "x" to a PostScript points */
+#define AFM2PNT(p, x) \
+ ((double)(x) / (1000.0 / (double)(p)->ps->scale))
+
+struct glyph {
+ unsigned short wx; /* WX in AFM */
+};
+
+struct font {
+ const char *name; /* FontName in AFM */
+#define MAXCHAR 95 /* total characters we can handle */
+ struct glyph gly[MAXCHAR]; /* glyph metrics */
+};
+
+struct termp_ps {
+ int flags;
+#define PS_INLINE (1 << 0) /* we're in a word */
+#define PS_MARGINS (1 << 1) /* we're in the margins */
+#define PS_NEWPAGE (1 << 2) /* new page, no words yet */
+ size_t pscol; /* visible column (AFM units) */
+ size_t psrow; /* visible row (AFM units) */
+ char *psmarg; /* margin buf */
+ size_t psmargsz; /* margin buf size */
+ size_t psmargcur; /* cur index in margin buf */
+ char last; /* character buffer */
+ enum termfont lastf; /* last set font */
+ size_t scale; /* font scaling factor */
+ size_t pages; /* number of pages shown */
+ size_t lineheight; /* line height (AFM units) */
+ size_t top; /* body top (AFM units) */
+ size_t bottom; /* body bottom (AFM units) */
+ size_t height; /* page height (AFM units */
+ size_t width; /* page width (AFM units) */
+ size_t lastwidth; /* page width before last ll */
+ size_t left; /* body left (AFM units) */
+ size_t header; /* header pos (AFM units) */
+ size_t footer; /* footer pos (AFM units) */
+ size_t pdfbytes; /* current output byte */
+ size_t pdflastpg; /* byte of last page mark */
+ size_t pdfbody; /* start of body object */
+ size_t *pdfobjs; /* table of object offsets */
+ size_t pdfobjsz; /* size of pdfobjs */
+};
+
+static double ps_hspan(const struct termp *,
+ const struct roffsu *);
+static size_t ps_width(const struct termp *, int);
+static void ps_advance(struct termp *, size_t);