=================================================================== RCS file: /cvs/mandoc/term_ps.c,v retrieving revision 1.25 retrieving revision 1.45 diff -u -p -r1.25 -r1.45 --- mandoc/term_ps.c 2010/07/01 14:23:45 1.25 +++ mandoc/term_ps.c 2010/09/27 23:03:44 1.45 @@ -1,6 +1,6 @@ -/* $Id: term_ps.c,v 1.25 2010/07/01 14:23:45 kristaps Exp $ */ +/* $Id: term_ps.c,v 1.45 2010/09/27 23:03:44 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2010 Kristaps Dzonsons * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -18,7 +18,7 @@ #include "config.h" #endif -#include +#include #include #include @@ -27,7 +27,9 @@ #include #include #include +#include +#include "mandoc.h" #include "out.h" #include "main.h" #include "term.h" @@ -38,10 +40,10 @@ /* Convert an AFM unit "x" to a PostScript points */ #define AFM2PNT(p, x) /* LINTED */ \ - (size_t)((double)(x) / (1000.0 / (double)(p)->engine.ps.scale)) + ((double)(x) / (1000.0 / (double)(p)->engine.ps.scale)) struct glyph { - size_t wx; /* WX in AFM */ + unsigned short wx; /* WX in AFM */ }; struct font { @@ -352,26 +354,34 @@ static const struct font fonts[TERMFONT__MAX] = { /* These work the buffer used by the header and footer. */ #define PS_BUFSLOP 128 -#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_growbuf(struct termp *p, size_t sz) +{ + if (p->engine.ps.psmargcur + sz <= p->engine.ps.psmargsz) + return; + if (sz < PS_BUFSLOP) + sz = PS_BUFSLOP; + + p->engine.ps.psmargsz += sz; + + p->engine.ps.psmarg = realloc + (p->engine.ps.psmarg, + p->engine.ps.psmargsz); + + if (NULL == p->engine.ps.psmarg) { + perror(NULL); + exit((int)MANDOCLEVEL_SYSERR); + } +} + static double ps_hspan(const struct termp *, const struct roffsu *); static size_t ps_width(const struct termp *, char); static void ps_advance(struct termp *, size_t); static void ps_begin(struct termp *); +static void ps_closepage(struct termp *); static void ps_end(struct termp *); static void ps_endline(struct termp *); static void ps_fclose(struct termp *); @@ -381,13 +391,39 @@ static void ps_pletter(struct termp *, int); static void ps_printf(struct termp *, const char *, ...); static void ps_putchar(struct termp *, char); static void ps_setfont(struct termp *, enum termfont); +static struct termp *pspdf_alloc(char *); +static void pdf_obj(struct termp *, size_t); void * +pdf_alloc(char *outopts) +{ + struct termp *p; + + if (NULL != (p = pspdf_alloc(outopts))) + p->type = TERMTYPE_PDF; + + return(p); +} + + +void * ps_alloc(char *outopts) { struct termp *p; - size_t pagex, pagey, margin, lineheight; + + if (NULL != (p = pspdf_alloc(outopts))) + p->type = TERMTYPE_PS; + + return(p); +} + + +static struct termp * +pspdf_alloc(char *outopts) +{ + struct termp *p; + size_t pagex, pagey, marginx, marginy, lineheight; const char *toks[2]; const char *pp; char *v; @@ -401,11 +437,8 @@ ps_alloc(char *outopts) p->endline = ps_endline; p->hspan = ps_hspan; p->letter = ps_letter; - p->type = TERMTYPE_PS; p->width = ps_width; - p->engine.ps.scale = 11; - toks[0] = "paper"; toks[1] = NULL; @@ -420,9 +453,6 @@ ps_alloc(char *outopts) break; } - margin = PNT2AFM(p, 72); - lineheight = PNT2AFM(p, 12); - /* Default to US letter (millimetres). */ pagex = 216; @@ -450,32 +480,48 @@ ps_alloc(char *outopts) pagey = 356; } else if (2 != sscanf(pp, "%zux%zu", &pagex, &pagey)) fprintf(stderr, "%s: Unknown paper\n", pp); - } + } else if (NULL == pp) + pp = "letter"; + /* + * This MUST be defined before any PNT2AFM or AFM2PNT + * calculations occur. + */ + + p->engine.ps.scale = 11; + /* Remember millimetres -> AFM units. */ pagex = PNT2AFM(p, ((double)pagex * 2.834)); pagey = PNT2AFM(p, ((double)pagey * 2.834)); - assert(margin * 2 < pagex); - assert(margin * 2 < pagey); + /* Margins are 1/9 the page x and y. */ + marginx = /* LINTED */ + (size_t)((double)pagex / 9.0); + marginy = /* LINTED */ + (size_t)((double)pagey / 9.0); + + /* Line-height is 1.4em. */ + + lineheight = PNT2AFM(p, ((double)p->engine.ps.scale * 1.4)); + p->engine.ps.width = pagex; p->engine.ps.height = pagey; - p->engine.ps.header = pagey - (margin / 2); - p->engine.ps.top = pagey - margin; - p->engine.ps.footer = (margin / 2); - p->engine.ps.bottom = margin; - p->engine.ps.left = margin; + p->engine.ps.header = pagey - (marginy / 2) - (lineheight / 2); + p->engine.ps.top = pagey - marginy; + p->engine.ps.footer = (marginy / 2) - (lineheight / 2); + p->engine.ps.bottom = marginy; + p->engine.ps.left = marginx; p->engine.ps.lineheight = lineheight; - p->defrmargin = pagex - (margin * 2); + p->defrmargin = pagex - (marginx * 2); return(p); } void -ps_free(void *arg) +pspdf_free(void *arg) { struct termp *p; @@ -483,6 +529,8 @@ ps_free(void *arg) if (p->engine.ps.psmarg) free(p->engine.ps.psmarg); + if (p->engine.ps.pdfobjs) + free(p->engine.ps.pdfobjs); term_free(p); } @@ -492,7 +540,7 @@ static void ps_printf(struct termp *p, const char *fmt, ...) { va_list ap; - int pos; + int pos, len; va_start(ap, fmt); @@ -502,9 +550,11 @@ ps_printf(struct termp *p, const char *fmt, ...) * into our growable margin buffer. */ - if ( ! (PS_MARGINS & p->engine.ps.psstate)) { - vprintf(fmt, ap); + if ( ! (PS_MARGINS & p->engine.ps.flags)) { + len = vprintf(fmt, ap); va_end(ap); + p->engine.ps.pdfbytes += /* LINTED */ + len < 0 ? 0 : (size_t)len; return; } @@ -514,13 +564,14 @@ ps_printf(struct termp *p, const char *fmt, ...) * assumption that will cause pukeage if it's not the case. */ - PS_GROWBUF(p, PS_BUFSLOP); + ps_growbuf(p, PS_BUFSLOP); pos = (int)p->engine.ps.psmargcur; - vsnprintf(&p->engine.ps.psmarg[pos], PS_BUFSLOP, fmt, ap); - p->engine.ps.psmargcur = strlen(p->engine.ps.psmarg); + len = vsnprintf(&p->engine.ps.psmarg[pos], PS_BUFSLOP, fmt, ap); va_end(ap); + + p->engine.ps.psmargcur = strlen(p->engine.ps.psmarg); } @@ -531,12 +582,14 @@ ps_putchar(struct termp *p, char c) /* See ps_printf(). */ - if ( ! (PS_MARGINS & p->engine.ps.psstate)) { + if ( ! (PS_MARGINS & p->engine.ps.flags)) { + /* LINTED */ putchar(c); + p->engine.ps.pdfbytes++; return; } - PS_GROWBUF(p, 2); + ps_growbuf(p, 2); pos = (int)p->engine.ps.psmargcur++; p->engine.ps.psmarg[pos++] = c; @@ -544,10 +597,87 @@ ps_putchar(struct termp *p, char c) } +static void +pdf_obj(struct termp *p, size_t obj) +{ + + assert(obj > 0); + + if ((obj - 1) >= p->engine.ps.pdfobjsz) { + p->engine.ps.pdfobjsz = obj + 128; + p->engine.ps.pdfobjs = realloc + (p->engine.ps.pdfobjs, + p->engine.ps.pdfobjsz * sizeof(size_t)); + if (NULL == p->engine.ps.pdfobjs) { + perror(NULL); + exit((int)MANDOCLEVEL_SYSERR); + } + } + + p->engine.ps.pdfobjs[(int)obj - 1] = p->engine.ps.pdfbytes; + ps_printf(p, "%zu 0 obj\n", obj); +} + + +static void +ps_closepage(struct termp *p) +{ + int i; + size_t len, base; + + /* + * Close out a page that we've already flushed to output. In + * PostScript, we simply note that the page must be showed. In + * PDF, we must now create the Length, Resource, and Page node + * for the page contents. + */ + + assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]); + ps_printf(p, "%s", p->engine.ps.psmarg); + + if (TERMTYPE_PS != p->type) { + ps_printf(p, "ET\n"); + + len = p->engine.ps.pdfbytes - p->engine.ps.pdflastpg; + base = p->engine.ps.pages * 4 + p->engine.ps.pdfbody; + + ps_printf(p, "endstream\nendobj\n"); + + /* Length of content. */ + pdf_obj(p, base + 1); + ps_printf(p, "%zu\nendobj\n", len); + + /* Resource for content. */ + pdf_obj(p, base + 2); + ps_printf(p, "<<\n/ProcSet [/PDF /Text]\n"); + ps_printf(p, "/Font <<\n"); + for (i = 0; i < (int)TERMFONT__MAX; i++) + ps_printf(p, "/F%d %d 0 R\n", i, 3 + i); + ps_printf(p, ">>\n>>\n"); + + /* Page node. */ + pdf_obj(p, base + 3); + ps_printf(p, "<<\n"); + ps_printf(p, "/Type /Page\n"); + ps_printf(p, "/Parent 2 0 R\n"); + ps_printf(p, "/Resources %zu 0 R\n", base + 2); + ps_printf(p, "/Contents %zu 0 R\n", base); + ps_printf(p, ">>\nendobj\n"); + } else + ps_printf(p, "showpage\n"); + + p->engine.ps.pages++; + p->engine.ps.psrow = p->engine.ps.top; + assert( ! (PS_NEWPAGE & p->engine.ps.flags)); + p->engine.ps.flags |= PS_NEWPAGE; +} + + /* ARGSUSED */ static void ps_end(struct termp *p) { + size_t i, xref, base; /* * At the end of the file, do one last showpage. This is the @@ -555,16 +685,59 @@ ps_end(struct termp *p) * well as just one. */ - assert(0 == p->engine.ps.psstate); - assert('\0' == p->engine.ps.last); - assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]); - printf("%s", p->engine.ps.psmarg); - p->engine.ps.pages++; - printf("showpage\n"); + if ( ! (PS_NEWPAGE & p->engine.ps.flags)) { + assert(0 == p->engine.ps.flags); + assert('\0' == p->engine.ps.last); + ps_closepage(p); + } - printf("%%%%Trailer\n"); - printf("%%%%Pages: %zu\n", p->engine.ps.pages); - printf("%%%%EOF\n"); + if (TERMTYPE_PS == p->type) { + ps_printf(p, "%%%%Trailer\n"); + ps_printf(p, "%%%%Pages: %zu\n", p->engine.ps.pages); + ps_printf(p, "%%%%EOF\n"); + return; + } + + pdf_obj(p, 2); + ps_printf(p, "<<\n/Type /Pages\n"); + ps_printf(p, "/MediaBox [0 0 %zu %zu]\n", + (size_t)AFM2PNT(p, p->engine.ps.width), + (size_t)AFM2PNT(p, p->engine.ps.height)); + + ps_printf(p, "/Count %zu\n", p->engine.ps.pages); + ps_printf(p, "/Kids ["); + + for (i = 0; i < p->engine.ps.pages; i++) + ps_printf(p, " %zu 0 R", i * 4 + + p->engine.ps.pdfbody + 3); + + base = (p->engine.ps.pages - 1) * 4 + + p->engine.ps.pdfbody + 4; + + ps_printf(p, "]\n>>\nendobj\n"); + pdf_obj(p, base); + ps_printf(p, "<<\n"); + ps_printf(p, "/Type /Catalog\n"); + ps_printf(p, "/Pages 2 0 R\n"); + ps_printf(p, ">>\n"); + xref = p->engine.ps.pdfbytes; + ps_printf(p, "xref\n"); + ps_printf(p, "0 %zu\n", base + 1); + ps_printf(p, "0000000000 65535 f \n"); + + for (i = 0; i < base; i++) + ps_printf(p, "%.10zu 00000 n \n", + p->engine.ps.pdfobjs[(int)i]); + + ps_printf(p, "trailer\n"); + ps_printf(p, "<<\n"); + ps_printf(p, "/Size %zu\n", base + 1); + ps_printf(p, "/Root %zu 0 R\n", base); + ps_printf(p, "/Info 1 0 R\n"); + ps_printf(p, ">>\n"); + ps_printf(p, "startxref\n"); + ps_printf(p, "%zu\n", xref); + ps_printf(p, "%%%%EOF\n"); } @@ -584,8 +757,9 @@ ps_begin(struct termp *p) p->engine.ps.psmarg[0] = '\0'; } + /*p->engine.ps.pdfbytes = 0;*/ p->engine.ps.psmargcur = 0; - p->engine.ps.psstate = PS_MARGINS; + p->engine.ps.flags = PS_MARGINS; p->engine.ps.pscol = p->engine.ps.left; p->engine.ps.psrow = p->engine.ps.header; @@ -600,9 +774,9 @@ ps_begin(struct termp *p) (*p->footf)(p, p->argf); (*p->endline)(p); - p->engine.ps.psstate &= ~PS_MARGINS; + p->engine.ps.flags &= ~PS_MARGINS; - assert(0 == p->engine.ps.psstate); + assert(0 == p->engine.ps.flags); assert(p->engine.ps.psmarg); assert('\0' != p->engine.ps.psmarg[0]); @@ -613,28 +787,48 @@ ps_begin(struct termp *p) t = time(NULL); - printf("%%!PS-Adobe-3.0\n"); - printf("%%%%Creator: mandoc-%s\n", VERSION); - printf("%%%%CreationDate: %s", ctime(&t)); - printf("%%%%DocumentData: Clean7Bit\n"); - printf("%%%%Orientation: Portrait\n"); - printf("%%%%Pages: (atend)\n"); - printf("%%%%PageOrder: Ascend\n"); - printf("%%%%DocumentMedia: Default %zu %zu 0 () ()\n", - AFM2PNT(p, p->engine.ps.width), - AFM2PNT(p, p->engine.ps.height)); - printf("%%%%DocumentNeededResources: font"); - for (i = 0; i < (int)TERMFONT__MAX; i++) - printf(" %s", fonts[i].name); - printf("\n%%%%EndComments\n"); + if (TERMTYPE_PS == p->type) { + ps_printf(p, "%%!PS-Adobe-3.0\n"); + ps_printf(p, "%%%%Creator: mandoc-%s\n", VERSION); + ps_printf(p, "%%%%CreationDate: %s", ctime(&t)); + ps_printf(p, "%%%%DocumentData: Clean7Bit\n"); + ps_printf(p, "%%%%Orientation: Portrait\n"); + ps_printf(p, "%%%%Pages: (atend)\n"); + ps_printf(p, "%%%%PageOrder: Ascend\n"); + ps_printf(p, "%%%%DocumentMedia: " + "Default %zu %zu 0 () ()\n", + (size_t)AFM2PNT(p, p->engine.ps.width), + (size_t)AFM2PNT(p, p->engine.ps.height)); + ps_printf(p, "%%%%DocumentNeededResources: font"); - printf("%%%%Page: %zu %zu\n", - p->engine.ps.pages + 1, - p->engine.ps.pages + 1); + for (i = 0; i < (int)TERMFONT__MAX; i++) + ps_printf(p, " %s", fonts[i].name); - ps_setfont(p, TERMFONT_NONE); + ps_printf(p, "\n%%%%EndComments\n"); + } else { + ps_printf(p, "%%PDF-1.1\n"); + pdf_obj(p, 1); + ps_printf(p, "<<\n"); + ps_printf(p, "/Creator mandoc-%s\n", VERSION); + ps_printf(p, ">>\n"); + ps_printf(p, "endobj\n"); + + for (i = 0; i < (int)TERMFONT__MAX; i++) { + pdf_obj(p, (size_t)i + 3); + ps_printf(p, "<<\n"); + ps_printf(p, "/Type /Font\n"); + ps_printf(p, "/Subtype /Type1\n"); + ps_printf(p, "/Name /F%zu\n", i); + ps_printf(p, "/BaseFont /%s\n", fonts[i].name); + ps_printf(p, ">>\n"); + } + } + + p->engine.ps.pdfbody = (size_t)TERMFONT__MAX + 3; p->engine.ps.pscol = p->engine.ps.left; p->engine.ps.psrow = p->engine.ps.top; + p->engine.ps.flags |= PS_NEWPAGE; + ps_setfont(p, TERMFONT_NONE); } @@ -642,19 +836,55 @@ static void ps_pletter(struct termp *p, int c) { int f; + + /* + * If we haven't opened a page context, then output that we're + * in a new page and make sure the font is correctly set. + */ + + if (PS_NEWPAGE & p->engine.ps.flags) { + if (TERMTYPE_PS == p->type) { + ps_printf(p, "%%%%Page: %zu %zu\n", + p->engine.ps.pages + 1, + p->engine.ps.pages + 1); + ps_printf(p, "/%s %zu selectfont\n", + fonts[(int)p->engine.ps.lastf].name, + p->engine.ps.scale); + } else { + pdf_obj(p, p->engine.ps.pdfbody + + p->engine.ps.pages * 4); + ps_printf(p, "<<\n"); + ps_printf(p, "/Length %zu 0 R\n", + p->engine.ps.pdfbody + 1 + + p->engine.ps.pages * 4); + ps_printf(p, ">>\nstream\n"); + } + p->engine.ps.pdflastpg = p->engine.ps.pdfbytes; + p->engine.ps.flags &= ~PS_NEWPAGE; + } /* * If we're not in a PostScript "word" context, then open one * now at the current cursor. */ - if ( ! (PS_INLINE & p->engine.ps.psstate)) { - ps_printf(p, "%zu %zu moveto\n(", - AFM2PNT(p, p->engine.ps.pscol), - AFM2PNT(p, p->engine.ps.psrow)); - p->engine.ps.psstate |= PS_INLINE; + if ( ! (PS_INLINE & p->engine.ps.flags)) { + if (TERMTYPE_PS != p->type) { + ps_printf(p, "BT\n/F%d %zu Tf\n", + (int)p->engine.ps.lastf, + p->engine.ps.scale); + ps_printf(p, "%.3f %.3f Td\n(", + AFM2PNT(p, p->engine.ps.pscol), + AFM2PNT(p, p->engine.ps.psrow)); + } else + ps_printf(p, "%.3f %.3f moveto\n(", + AFM2PNT(p, p->engine.ps.pscol), + AFM2PNT(p, p->engine.ps.psrow)); + p->engine.ps.flags |= PS_INLINE; } + assert( ! (PS_NEWPAGE & p->engine.ps.flags)); + /* * We need to escape these characters as per the PostScript * specification. We would also escape non-graphable characters @@ -678,15 +908,15 @@ ps_pletter(struct termp *p, int c) f = (int)p->engine.ps.lastf; - if (c <= 32 || (c - 32 > MAXCHAR)) { + if (c <= 32 || (c - 32 >= MAXCHAR)) { ps_putchar(p, ' '); - p->engine.ps.pscol += fonts[f].gly[0].wx; + p->engine.ps.pscol += (size_t)fonts[f].gly[0].wx; return; } ps_putchar(p, (char)c); c -= 32; - p->engine.ps.pscol += fonts[f].gly[c].wx; + p->engine.ps.pscol += (size_t)fonts[f].gly[c].wx; } @@ -700,11 +930,15 @@ ps_pclose(struct termp *p) * or anything). */ - if ( ! (PS_INLINE & p->engine.ps.psstate)) + if ( ! (PS_INLINE & p->engine.ps.flags)) return; - ps_printf(p, ") show\n"); - p->engine.ps.psstate &= ~PS_INLINE; + if (TERMTYPE_PS != p->type) { + ps_printf(p, ") Tj\nET\n"); + } else + ps_printf(p, ") show\n"); + + p->engine.ps.flags &= ~PS_INLINE; } @@ -729,7 +963,7 @@ ps_fclose(struct termp *p) p->engine.ps.last = '\0'; } - if ( ! (PS_INLINE & p->engine.ps.psstate)) + if ( ! (PS_INLINE & p->engine.ps.flags)) return; ps_pclose(p); @@ -814,29 +1048,30 @@ ps_endline(struct termp *p) * lines, we'll do nasty stuff. */ - if (PS_MARGINS & p->engine.ps.psstate) + if (PS_MARGINS & p->engine.ps.flags) return; + /* Left-justify. */ + + p->engine.ps.pscol = p->engine.ps.left; + + /* If we haven't printed anything, return. */ + + if (PS_NEWPAGE & p->engine.ps.flags) + return; + /* * Put us down a line. If we're at the page bottom, spit out a * showpage and restart our row. */ - p->engine.ps.pscol = p->engine.ps.left; if (p->engine.ps.psrow >= p->engine.ps.lineheight + p->engine.ps.bottom) { p->engine.ps.psrow -= p->engine.ps.lineheight; return; } - assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]); - printf("%s", p->engine.ps.psmarg); - printf("showpage\n"); - p->engine.ps.pages++; - printf("%%%%Page: %zu %zu\n", - p->engine.ps.pages + 1, - p->engine.ps.pages + 1); - p->engine.ps.psrow = p->engine.ps.top; + ps_closepage(p); } @@ -845,9 +1080,24 @@ ps_setfont(struct termp *p, enum termfont f) { assert(f < TERMFONT__MAX); - ps_printf(p, "/%s %zu selectfont\n", - fonts[(int)f].name, p->engine.ps.scale); p->engine.ps.lastf = f; + + /* + * If we're still at the top of the page, let the font-setting + * be delayed until we actually have stuff to print. + */ + + if (PS_NEWPAGE & p->engine.ps.flags) + return; + + if (TERMTYPE_PS == p->type) + ps_printf(p, "/%s %zu selectfont\n", + fonts[(int)f].name, + p->engine.ps.scale); + else + ps_printf(p, "/F%d %zu Tf\n", + (int)f, + p->engine.ps.scale); } @@ -857,10 +1107,10 @@ ps_width(const struct termp *p, char c) { if (c <= 32 || c - 32 >= MAXCHAR) - return(fonts[(int)TERMFONT_NONE].gly[0].wx); + return((size_t)fonts[(int)TERMFONT_NONE].gly[0].wx); c -= 32; - return(fonts[(int)TERMFONT_NONE].gly[(int)c].wx); + return((size_t)fonts[(int)TERMFONT_NONE].gly[(int)c].wx); } @@ -888,14 +1138,14 @@ ps_hspan(const struct termp *p, const struct roffsu *s r = PNT2AFM(p, su->scale * 100); break; case (SCALE_EM): - r = su->scale * + r = su->scale * fonts[(int)TERMFONT_NONE].gly[109 - 32].wx; break; case (SCALE_MM): r = PNT2AFM(p, su->scale * 2.834); break; case (SCALE_EN): - r = su->scale * + r = su->scale * fonts[(int)TERMFONT_NONE].gly[110 - 32].wx; break; case (SCALE_VS):