#include "halibut.h"
#include "paper.h"
-static void ps_versionid(FILE *fp, word *words);
+static void ps_comment(FILE *fp, char const *leader, word *words);
paragraph *ps_config_filename(char *filename)
{
- paragraph *p;
- wchar_t *ufilename, *up;
- int len;
-
- p = mknew(paragraph);
- memset(p, 0, sizeof(*p));
- p->type = para_Config;
- p->next = NULL;
- p->fpos.filename = "<command line>";
- p->fpos.line = p->fpos.col = -1;
-
- ufilename = ufroma_dup(filename);
- len = ustrlen(ufilename) + 2 + lenof(L"ps-filename");
- p->keyword = mknewa(wchar_t, len);
- up = p->keyword;
- ustrcpy(up, L"ps-filename");
- up = uadv(up);
- ustrcpy(up, ufilename);
- up = uadv(up);
- *up = L'\0';
- assert(up - p->keyword < len);
- sfree(ufilename);
-
- return p;
+ return cmdline_cfg_simple("ps-filename", filename, NULL);
}
void ps_backend(paragraph *sourceform, keywordlist *keywords,
filename = dupstr("output.ps");
for (p = sourceform; p; p = p->next) {
- if (p->type == para_Config && p->parent) {
+ if (p->type == para_Config) {
if (!ustricmp(p->keyword, L"ps-filename")) {
sfree(filename);
- filename = utoa_dup(uadv(p->keyword));
+ filename = dupstr(adv(p->origkeyword));
}
}
}
return;
}
- fprintf(fp, "%%!PS-Adobe-1.0\n");
+ fprintf(fp, "%%!PS-Adobe-3.0\n");
+ fprintf(fp, "%%%%Creator: Halibut, %s\n", version);
+ fprintf(fp, "%%%%DocumentData: Clean8Bit\n");
+ fprintf(fp, "%%%%LanguageLevel: 1\n");
for (pageno = 0, page = doc->pages; page; page = page->next)
pageno++;
fprintf(fp, "%%%%Pages: %d\n", pageno);
+ for (p = sourceform; p; p = p->next)
+ if (p->type == para_Title)
+ ps_comment(fp, "%%Title: ", p->words);
+ fprintf(fp, "%%%%DocumentNeededResources:\n");
+ for (fe = doc->fonts->head; fe; fe = fe->next)
+ /* XXX This may request the same font multiple times. */
+ if (!fe->font->info->fp)
+ fprintf(fp, "%%%%+ font %s\n", fe->font->info->name);
+ fprintf(fp, "%%%%DocumentSuppliedResources: procset Halibut 0 0\n");
+ for (fe = doc->fonts->head; fe; fe = fe->next)
+ /* XXX This may request the same font multiple times. */
+ if (fe->font->info->fp)
+ fprintf(fp, "%%%%+ font %s\n", fe->font->info->name);
fprintf(fp, "%%%%EndComments\n");
fprintf(fp, "%%%%BeginProlog\n");
+ fprintf(fp, "%%%%BeginResource: procset Halibut 0 0\n");
+ /*
+ * Supply a prologue function which allows a reasonably
+ * compressed representation of the text on the pages.
+ *
+ * Expects two arguments: a y-coordinate, and then an array.
+ * Elements of the array are processed sequentially as follows:
+ *
+ * - a number is treated as an x-coordinate
+ * - an array is treated as a (font, size) pair
+ * - a string is shown
+ */
+ fprintf(fp,
+ "/tdict 4 dict dup begin\n"
+ " /arraytype {aload pop scalefont setfont} bind def\n"
+ " /realtype {1 index moveto} bind def\n"
+ " /integertype /realtype load def\n"
+ " /stringtype {show} bind def\n"
+ "end def\n"
+ "/t { tdict begin {dup type exec} forall end pop } bind def\n");
+
+ fprintf(fp, "%%%%EndResource\n");
fprintf(fp, "%%%%EndProlog\n");
fprintf(fp, "%%%%BeginSetup\n");
*/
for (p = sourceform; p; p = p->next)
if (p->type == para_VersionID)
- ps_versionid(fp, p->words);
+ ps_comment(fp, "% ", p->words);
/*
- * Re-encode and re-metric the fonts.
+ * Request the correct page size. We might want to bracket this
+ * with "%%BeginFeature: *PageSize A4" or similar, and "%%EndFeature",
+ * but that would require us to have a way of getting the name of
+ * the page size given its dimensions.
+ */
+ fprintf(fp, "/setpagedevice where {\n");
+ fprintf(fp, " pop 2 dict dup /PageSize [%g %g] put setpagedevice\n",
+ doc->paper_width / FUNITS_PER_PT,
+ doc->paper_height / FUNITS_PER_PT);
+ fprintf(fp, "} if\n");
+
+ for (fe = doc->fonts->head; fe; fe = fe->next) {
+ /* XXX This may request the same font multiple times. */
+ if (fe->font->info->fp) {
+ char buf[512];
+ size_t len;
+ fprintf(fp, "%%%%BeginResource: font %s\n", fe->font->info->name);
+ rewind(fe->font->info->fp);
+ do {
+ len = fread(buf, 1, sizeof(buf), fe->font->info->fp);
+ fwrite(buf, 1, len, fp);
+ } while (len == sizeof(buf));
+ fprintf(fp, "%%%%EndResource\n");
+ } else {
+ fprintf(fp, "%%%%IncludeResource: font %s\n",
+ fe->font->info->name);
+ }
+ }
+
+ /*
+ * Re-encode the fonts.
*/
font_index = 0;
for (fe = doc->fonts->head; fe; fe = fe->next) {
sprintf(fname, "f%d", font_index++);
fe->name = dupstr(fname);
- fprintf(fp, "/%s findfont dup length dict begin\n", fe->font->name);
+ fprintf(fp, "/%s findfont dup length dict begin\n",
+ fe->font->info->name);
fprintf(fp, "{1 index /FID ne {def} {pop pop} ifelse} forall\n");
fprintf(fp, "/Encoding [\n");
for (i = 0; i < 256; i++)
- fprintf(fp, "/%s\n", fe->vector[i] ? fe->vector[i] : ".notdef");
- fprintf(fp, "] def /Metrics 256 dict dup begin\n");
- for (i = 0; i < 256; i++) {
- if (fe->indices[i] >= 0) {
- double width = fe->font->widths[fe->indices[i]];
- fprintf(fp, "/%s %g def\n", fe->vector[i],
- 1000.0 * width / 4096.0);
- }
- }
- fprintf(fp, "end def currentdict end\n");
+ fprintf(fp, "/%s%c", fe->vector[i] ? fe->vector[i] : ".notdef",
+ i % 4 == 3 ? '\n' : ' ');
+ fprintf(fp, "] def\n");
+ fprintf(fp, "currentdict end\n");
fprintf(fp, "/fontname-%s exch definefont /%s exch def\n\n",
fe->name, fe->name);
}
*/
pageno = 0;
for (page = doc->pages; page; page = page->next) {
- text_fragment *frag;
+ text_fragment *frag, *frag_end;
rect *r;
+ font_encoding *fe;
+ int fs;
pageno++;
fprintf(fp, "%%%%Page: %d %d\n", pageno, pageno);
- fprintf(fp, "%%%%BeginPageSetup\n");
- fprintf(fp, "%%%%EndPageSetup\n");
+ fprintf(fp, "save\n");
#if 0
{
*/
for (xr = page->first_xref; xr; xr = xr->next) {
fprintf(fp, "gsave 0.7 setgray %g %g moveto",
- xr->lx/4096.0, xr->ty/4096.0);
+ xr->lx/FUNITS_PER_PT, xr->ty/FUNITS_PER_PT);
fprintf(fp, " %g %g lineto %g %g lineto",
- xr->lx/4096.0, xr->by/4096.0,
- xr->rx/4096.0, xr->by/4096.0);
+ xr->lx/FUNITS_PER_PT, xr->by/FUNITS_PER_PT,
+ xr->rx/FUNITS_PER_PT, xr->by/FUNITS_PER_PT);
fprintf(fp, " %g %g lineto closepath fill grestore\n",
- xr->rx/4096.0, xr->ty/4096.0);
+ xr->rx/FUNITS_PER_PT, xr->ty/FUNITS_PER_PT);
}
}
#endif
for (r = page->first_rect; r; r = r->next) {
fprintf(fp, "%g %g moveto %g 0 rlineto 0 %g rlineto "
"-%g 0 rlineto closepath fill\n",
- r->x / 4096.0, r->y / 4096.0, r->w / 4096.0,
- r->h / 4096.0, r->w / 4096.0);
+ r->x / FUNITS_PER_PT, r->y / FUNITS_PER_PT,
+ r->w / FUNITS_PER_PT, r->h / FUNITS_PER_PT,
+ r->w / FUNITS_PER_PT);
}
- for (frag = page->first_text; frag; frag = frag->next) {
+ frag = page->first_text;
+ fe = NULL;
+ fs = -1;
+ while (frag) {
char *c;
- fprintf(fp, "%s %d scalefont setfont %g %g moveto (",
- frag->fe->name, frag->fontsize,
- frag->x/4096.0, frag->y/4096.0);
+ /*
+ * Collect all the adjacent text fragments with the
+ * same y-coordinate.
+ */
+ for (frag_end = frag;
+ frag_end && frag_end->y == frag->y;
+ frag_end = frag_end->next);
+
+ fprintf(fp, "%g[", frag->y / FUNITS_PER_PT);
+
+ while (frag && frag != frag_end) {
+
+ if (frag->fe != fe || frag->fontsize != fs)
+ fprintf(fp, "[%s %d]", frag->fe->name, frag->fontsize);
+ fe = frag->fe;
+ fs = frag->fontsize;
+
+ fprintf(fp, "%g(", frag->x/FUNITS_PER_PT);
+ for (c = frag->text; *c; c++) {
+ if (*c == '(' || *c == ')' || *c == '\\')
+ fputc('\\', fp);
+ fputc(*c, fp);
+ }
+ fprintf(fp, ")");
- for (c = frag->text; *c; c++) {
- if (*c == '(' || *c == ')' || *c == '\\')
- fputc('\\', fp);
- fputc(*c, fp);
+ frag = frag->next;
}
- fprintf(fp, ") show\n");
+ fprintf(fp, "]t\n");
}
- fprintf(fp, "showpage\n");
+ fprintf(fp, "restore showpage\n");
}
fprintf(fp, "%%%%EOF\n");
sfree(filename);
}
-static void ps_versionid(FILE *fp, word *words)
+static void ps_comment(FILE *fp, char const *leader, word *words)
{
- fprintf(fp, "%% ");
+ fprintf(fp, "%s", leader);
for (; words; words = words->next) {
char *text;
switch (type) {
case word_Normal:
- text = utoa_dup(words->text);
+ text = utoa_dup(words->text, CS_ASCII);
break;
case word_WhiteSpace:
text = dupstr(" ");
~mdw / sgt / halibut / blobdiff