*
* - linearised PDF, perhaps?
*
- * - we should use PDFDocEncoding or Unicode for outline strings,
- * now that I actually know how to do them. Probably easiest if
- * I do this _after_ bringing in libcharset, since I can simply
- * supply PDFDocEncoding in there.
- *
* - I'm uncertain of whether I need to include a ToUnicode CMap
* in each of my font definitions in PDF. Currently things (by
* which I mean cut and paste out of acroread) seem to be
int pagenum_fontsize;
int footer_distance;
wchar_t *lquote, *rquote, *bullet;
+ wchar_t *contents_text, *index_text;
/* These are derived from the above */
int base_width;
int page_height;
word_PageXref = word_NotWordType + 1
};
+/* Flags for render_string() */
+#define RS_NOLIG 1
+
static font_data *make_std_font(font_list *fontlist, char const *name);
static void wrap_paragraph(para_data *pdata, word *words,
int w, int i1, int i2, paper_conf *conf);
static page_data *page_breaks(line_data *first, line_data *last,
int page_height, int ncols, int headspace);
static int render_string(page_data *page, font_data *font, int fontsize,
- int x, int y, wchar_t *str);
+ int x, int y, wchar_t *str, unsigned flags);
static int render_line(line_data *ldata, int left_x, int top_y,
xref_dest *dest, keywordlist *keywords, indexdata *idx,
paper_conf *conf);
static void render_para(para_data *pdata, paper_conf *conf,
keywordlist *keywords, indexdata *idx,
paragraph *index_placeholder, page_data *index_page);
-static int string_width(font_data *font, wchar_t const *string, int *errs);
+static int string_width(font_data *font, wchar_t const *string, int *errs,
+ unsigned flags);
static int paper_width_simple(para_data *pdata, word *text, paper_conf *conf);
static para_data *code_paragraph(int indent, word *words, paper_conf *conf);
static para_data *rule_paragraph(int indent, paper_conf *conf);
va_start(ap, string);
while ( (font = va_arg(ap, font_data *)) != NULL) {
int errs;
- (void) string_width(font, string, &errs);
+ (void) string_width(font, string, &errs, 0);
if (errs) {
ret = FALSE;
break;
ret.lquote = L"\x2018\0\x2019\0'\0'\0\0";
ret.rquote = uadv(ret.lquote);
ret.bullet = L"\x2022\0-\0\0";
+ ret.contents_text = L"Contents";
+ ret.index_text = L"Index";
/*
* Two-pass configuration so that we can pick up global config
ret.lquote = uadv(p->keyword);
ret.rquote = uadv(ret.lquote);
}
+ } else if (!ustricmp(p->keyword, L"contents")) {
+ ret.contents_text = uadv(p->keyword);
+ } else if (!ustricmp(p->keyword, L"index")) {
+ ret.index_text = uadv(p->keyword);
} else if (!ustricmp(p->keyword, L"paper-bullet")) {
ret.bullet = uadv(p->keyword);
} else if (!ustricmp(p->keyword, L"paper-page-width")) {
*/
{
word *contents_title;
- contents_title = fake_word(L"Contents");
+ contents_title = fake_word(conf->contents_text);
firstcont = make_para_data(para_UnnumberedChapter, 0, 0, 0,
NULL, NULL, contents_title, conf);
if (has_index) {
pdata = make_para_data(para_Normal, 0, 0,
conf->contents_margin,
- NULL, NULL, fake_word(L"Index"), conf);
+ NULL, NULL,
+ fake_word(conf->index_text), conf);
pdata->next = NULL;
pdata->contents_entry = &index_placeholder_para;
lastcont->next = pdata;
/*
* Create a set of paragraphs for the index.
*/
- index_title = fake_word(L"Index");
+ index_title = fake_word(conf->index_text);
firstidx = make_para_data(para_UnnumberedChapter, 0, 0, 0,
NULL, NULL, index_title, conf);
width = conf->pagenum_fontsize *
string_width(conf->fbase.fonts[FONT_NORMAL], page->number,
- NULL);
+ NULL, 0);
render_string(page, conf->fbase.fonts[FONT_NORMAL],
conf->pagenum_fontsize,
conf->left_margin + (conf->base_width - width)/2,
conf->bottom_margin - conf->footer_distance,
- page->number);
+ page->number, 0);
}
}
return 0;
}
+int lig_cmp(void *a, void *b)
+{
+ ligature const *la = a, *lb = b;
+
+ if (la->left < lb->left)
+ return -1;
+ if (la->left > lb->left)
+ return 1;
+ if (la->right < lb->right)
+ return -1;
+ if (la->right > lb->right)
+ return 1;
+ return 0;
+}
+
/* This wouldn't be necessary if C had closures. */
static font_info *glyph_cmp_fi;
glyph_cmp);
}
-int find_glyph(font_info *fi, char const *name) {
+int find_glyph(font_info const *fi, char const *name) {
int i, j, k, r;
i = -1;
return kp->kern;
}
-static int string_width(font_data *font, wchar_t const *string, int *errs)
+static int find_lig(font_data *font, int lindex, int rindex)
+{
+ ligature wantlig;
+ ligature const *lig;
+
+ if (lindex == 0xFFFF || rindex == 0xFFFF)
+ return 0xFFFF;
+ wantlig.left = lindex;
+ wantlig.right = rindex;
+ lig = find234(font->info->ligs, &wantlig, NULL);
+ if (lig == NULL)
+ return 0xFFFF;
+ return lig->lig;
+}
+
+static int utoglyph(font_info const *fi, wchar_t u) {
+ return (u < 0 || u > 0xFFFF ? 0xFFFF : fi->bmp[u]);
+}
+
+static int string_width(font_data *font, wchar_t const *string, int *errs,
+ unsigned flags)
{
int width = 0;
- int index, oindex;
+ int nindex, index, oindex, lindex;
if (errs)
*errs = 0;
oindex = 0xFFFF;
+ index = utoglyph(font->info, *string);
for (; *string; string++) {
- index = (*string < 0 || *string > 0xFFFF ? 0xFFFF :
- font->info->bmp[*string]);
+ nindex = utoglyph(font->info, string[1]);
if (index == 0xFFFF) {
if (errs)
*errs = 1;
} else {
+ if (!(flags & RS_NOLIG) &&
+ (lindex = find_lig(font, index, nindex)) != 0xFFFF) {
+ index = lindex;
+ continue;
+ }
width += find_kern(font, oindex, index) +
font->info->widths[index];
}
oindex = index;
+ index = nindex;
}
return width;
struct paper_width_ctx *ctx = (struct paper_width_ctx *)vctx;
int style, type, findex, width, errs;
wchar_t *str;
+ unsigned flags = 0;
switch (word->type) {
case word_HyperLink:
style == word_Emph ? FONT_EMPH :
FONT_CODE);
+ if (style == word_Code || style == word_WeakCode) flags |= RS_NOLIG;
+
if (type == word_Normal) {
str = word->text;
} else if (type == word_WhiteSpace) {
str = ctx->conf->rquote;
}
- width = string_width(ctx->pdata->fonts[findex], str, &errs);
+ width = string_width(ctx->pdata->fonts[findex], str, &errs, flags);
if (errs && word->alt)
return paper_width_list(vctx, word->alt, NULL, nspaces);
ctx.pdata = pdata;
ctx.minspacewidth =
(pdata->sizes[FONT_NORMAL] *
- string_width(pdata->fonts[FONT_NORMAL], L" ", NULL));
+ string_width(pdata->fonts[FONT_NORMAL], L" ", NULL, 0));
ctx.conf = conf;
return paper_width_list(&ctx, text, NULL, NULL);
}
spacewidth = (pdata->sizes[FONT_NORMAL] *
- string_width(pdata->fonts[FONT_NORMAL], L" ", NULL));
+ string_width(pdata->fonts[FONT_NORMAL], L" ", NULL, 0));
if (spacewidth == 0) {
/*
* A font without a space?! Disturbing. I hope this never
* Returns the updated x coordinate.
*/
static int render_string(page_data *page, font_data *font, int fontsize,
- int x, int y, wchar_t *str)
+ int x, int y, wchar_t *str, unsigned flags)
{
char *text;
- int textpos, textwid, kern, glyph, oglyph;
+ int textpos, textwid, kern, nglyph, glyph, oglyph, lig;
font_encoding *subfont = NULL, *sf;
text = snewn(1 + ustrlen(str), char);
textpos = textwid = 0;
glyph = 0xFFFF;
+ nglyph = utoglyph(font->info, *str);
while (*str) {
oglyph = glyph;
- glyph = (*str < 0 || *str > 0xFFFF ? 0xFFFF :
- font->info->bmp[*str]);
+ glyph = nglyph;
+ nglyph = utoglyph(font->info, str[1]);
if (glyph == 0xFFFF) {
str++;
continue; /* nothing more we can do here */
}
+ if (!(flags & RS_NOLIG) &&
+ (lig = find_lig(font, glyph, nglyph)) != 0xFFFF) {
+ nglyph = lig;
+ str++;
+ continue;
+ }
+
/*
* Find which subfont this character is going in.
*/
int style, type, findex, errs;
wchar_t *str;
xref_dest dest;
+ unsigned flags = 0;
switch (text->type) {
/*
style == word_Emph ? FONT_EMPH :
FONT_CODE);
+ if (style == word_Code || style == word_WeakCode) flags |= RS_NOLIG;
+
if (type == word_Normal) {
str = text->text;
} else if (type == word_WhiteSpace) {
x += pdata->sizes[findex] *
- string_width(pdata->fonts[findex], L" ", NULL);
+ string_width(pdata->fonts[findex], L" ", NULL, 0);
if (nspaces && findex != FONT_CODE) {
x += (*nspace+1) * shortfall / nspaces;
x -= *nspace * shortfall / nspaces;
str = conf->rquote;
}
- (void) string_width(pdata->fonts[findex], str, &errs);
+ (void) string_width(pdata->fonts[findex], str, &errs, flags);
if (errs && text->alt)
x = render_text(page, pdata, ldata, x, y, text->alt, NULL,
conf);
else
x = render_string(page, pdata->fonts[findex],
- pdata->sizes[findex], x, y, str);
+ pdata->sizes[findex], x, y, str, flags);
if (*xr)
(*xr)->rx = x;
pdata->sizes[FONT_NORMAL],
conf->left_margin + x,
(conf->paper_height - conf->top_margin -
- pdata->last->ypos), L".");
+ pdata->last->ypos), L".", 0);
render_string(pdata->last->page,
pdata->fonts[FONT_NORMAL],
pdata->sizes[FONT_NORMAL],
conf->paper_width - conf->right_margin - wid,
(conf->paper_height - conf->top_margin -
- pdata->last->ypos), num);
+ pdata->last->ypos), num, 0);
}
/*
~mdw / sgt / halibut / blobdiff