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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2014-07-23 14:48:04 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2014-07-23 14:48:04 +0000
commit858d2c9bc2f38514b4e7e4ab15d64291bd4e2e85 (patch)
treed6b28d9c4ab7c643e01d97fc60b1ce473c1d664d /Build/source/texk/dvipdfm-x
parentf8ea78ef6977b4465f488666aa51d7de88c65c6e (diff)
Support CID-keyed OpenType fonts in xdvipdfmx (from Jiang Jiang)
git-svn-id: svn://tug.org/texlive/trunk@34700 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipdfm-x')
-rw-r--r--Build/source/texk/dvipdfm-x/ChangeLog5
-rw-r--r--Build/source/texk/dvipdfm-x/cff.c6
-rw-r--r--Build/source/texk/dvipdfm-x/pdfdev.c33
-rw-r--r--Build/source/texk/dvipdfm-x/pdffont.c28
-rw-r--r--Build/source/texk/dvipdfm-x/pdffont.h2
-rw-r--r--Build/source/texk/dvipdfm-x/tt_cmap.c24
-rw-r--r--Build/source/texk/dvipdfm-x/type0.c98
-rw-r--r--Build/source/texk/dvipdfm-x/type0.h1
8 files changed, 159 insertions, 38 deletions
diff --git a/Build/source/texk/dvipdfm-x/ChangeLog b/Build/source/texk/dvipdfm-x/ChangeLog
index cca422e00d7..b4fec2eb3e1 100644
--- a/Build/source/texk/dvipdfm-x/ChangeLog
+++ b/Build/source/texk/dvipdfm-x/ChangeLog
@@ -1,3 +1,8 @@
+2014-07-23 Jiang Jiang <gzjjgod@gmail.com>
+
+ * cff.c, pdfdev.c, pdffont.c, pdffont.h, tt_cmap.c, type0.c, type0.h:
+ Support CID-keyed OpenType fonts.
+
2014-07-22 Khaled Hosny <khaledhosny@eglug.org>
* src/dvi.c, src/dvicodes.h: Support DVI-IVD inspired text reflection
diff --git a/Build/source/texk/dvipdfm-x/cff.c b/Build/source/texk/dvipdfm-x/cff.c
index 7a54e3fecfd..40ff4648ce7 100644
--- a/Build/source/texk/dvipdfm-x/cff.c
+++ b/Build/source/texk/dvipdfm-x/cff.c
@@ -326,9 +326,13 @@ cff_get_index_header (cff_font *cff)
ERROR("invalid offsize data");
idx->offset = NEW(count+1, l_offset);
- for (i=0;i<count+1;i++) {
+ for (i=0;i<count;i++) {
(idx->offset)[i] = get_offset(cff->SFONT_OR_STREAM, idx->offsize);
}
+ if (count == 0xFFFF)
+ cff_seek(cff, cff_tell(cff) + idx->offsize);
+ else
+ (idx->offset)[i] = get_offset(cff->SFONT_OR_STREAM, idx->offsize);
if (idx->offset[0] != 1)
ERROR("cff_get_index(): invalid index data");
diff --git a/Build/source/texk/dvipdfm-x/pdfdev.c b/Build/source/texk/dvipdfm-x/pdfdev.c
index 54f1a9aa457..593a9890cf5 100644
--- a/Build/source/texk/dvipdfm-x/pdfdev.c
+++ b/Build/source/texk/dvipdfm-x/pdfdev.c
@@ -52,6 +52,10 @@
#include "pdfdev.h"
+#ifdef XETEX
+#include FT_CID_H
+#endif
+
static int verbose = 0;
void
@@ -457,6 +461,7 @@ struct dev_font {
int enc_id;
#ifdef XETEX
unsigned short *ft_to_gid;
+ FT_Bool is_cid_keyed;
#endif
/* if >= 0, index of a dev_font that really has the resource and used_chars */
@@ -464,6 +469,7 @@ struct dev_font {
pdf_obj *resource;
char *used_chars;
+ char *used_glyphs;
/* Font format:
* simple, composite or bitmap.
@@ -875,6 +881,10 @@ dev_set_font (int font_id)
if (!real_font->resource) {
real_font->resource = pdf_get_font_reference(real_font->font_id);
real_font->used_chars = pdf_get_font_usedchars(real_font->font_id);
+#ifdef XETEX
+ if (real_font->is_cid_keyed)
+ real_font->used_glyphs = pdf_get_font_usedglyphs(real_font->font_id);
+#endif
}
if (!real_font->used_on_this_page) {
@@ -959,15 +969,22 @@ handle_multibyte_string (struct dev_font *font,
#ifdef XETEX
if (ctype == -1) { /* freetype glyph indexes */
- if (font->ft_to_gid) {
+ if (font->ft_to_gid || font->is_cid_keyed) {
/* convert freetype glyph indexes to physical GID */
const unsigned char *inbuf = p;
unsigned char *outbuf = sbuf0;
+ FT_Face face = pdf_font_get_ft_face(pdf_get_font(font->font_id));
for (i = 0; i < length; i += 2) {
unsigned int gid;
gid = *inbuf++ << 8;
gid += *inbuf++;
- gid = font->ft_to_gid[gid];
+ if (font->is_cid_keyed) {
+ FT_UInt cid = 0;
+ FT_Get_CID_From_Glyph_Index(face, gid, &cid);
+ gid = cid;
+ } else {
+ gid = font->ft_to_gid[gid];
+ }
*outbuf++ = gid >> 8;
*outbuf++ = gid & 0xff;
}
@@ -1156,6 +1173,11 @@ pdf_dev_set_string (spt_t xpos, spt_t ypos,
length = instr_len;
if (font->format == PDF_FONTTYPE_COMPOSITE) {
+ if (real_font->used_glyphs != NULL) {
+ for (i = 0; i < length; i += 2)
+ add_to_used_chars2(real_font->used_glyphs,
+ (unsigned short) (str_ptr[i] << 8)|str_ptr[i+1]);
+ }
if (handle_multibyte_string(font, &str_ptr, &length, ctype) < 0) {
ERROR("Error in converting input string...");
return;
@@ -1531,10 +1553,17 @@ pdf_dev_locate_font (const char *font_name, spt_t ptsize)
font->enc_id = pdf_get_font_encoding(font->font_id);
#ifdef XETEX
font->ft_to_gid = pdf_get_font_ft_to_gid(font->font_id);
+
+ font->is_cid_keyed = 0;
+ {
+ FT_Face face = pdf_font_get_ft_face(pdf_get_font(font->font_id));
+ FT_Get_CID_Is_Internally_CID_Keyed(face, &font->is_cid_keyed);
+ }
#endif
font->resource = NULL; /* Don't ref obj until font is actually used. */
font->used_chars = NULL;
+ font->used_glyphs = NULL;
font->extend = 1.0;
font->slant = 0.0;
diff --git a/Build/source/texk/dvipdfm-x/pdffont.c b/Build/source/texk/dvipdfm-x/pdffont.c
index 570e0663301..2bea295e7d8 100644
--- a/Build/source/texk/dvipdfm-x/pdffont.c
+++ b/Build/source/texk/dvipdfm-x/pdffont.c
@@ -343,6 +343,24 @@ pdf_get_font_usedchars (int font_id)
}
}
+char *
+pdf_get_font_usedglyphs (int font_id)
+{
+ pdf_font *font;
+
+ CHECK_ID(font_id);
+
+ font = GET_FONT(font_id);
+ if (font->subtype == PDF_FONT_FONTTYPE_TYPE0) {
+ Type0Font *t0font;
+
+ t0font = Type0Font_cache_get(font->font_id);
+ return Type0Font_get_usedglyphs(t0font);
+ }
+
+ return NULL;
+}
+
int
pdf_get_font_wmode (int font_id)
{
@@ -361,6 +379,16 @@ pdf_get_font_wmode (int font_id)
}
}
+pdf_font *
+pdf_get_font (int font_id)
+{
+ pdf_font *font;
+
+ CHECK_ID(font_id);
+
+ return GET_FONT(font_id);
+}
+
int
pdf_get_font_subtype (int font_id)
{
diff --git a/Build/source/texk/dvipdfm-x/pdffont.h b/Build/source/texk/dvipdfm-x/pdffont.h
index 6d3ea72b56f..d2afc7a7a3f 100644
--- a/Build/source/texk/dvipdfm-x/pdffont.h
+++ b/Build/source/texk/dvipdfm-x/pdffont.h
@@ -60,9 +60,11 @@ extern void pdf_close_fonts (void);
extern int pdf_font_findresource (const char *font_name,
double font_scale, fontmap_rec *mrec);
+extern pdf_font* pdf_get_font (int font_id);
extern int pdf_get_font_subtype (int font_id);
extern pdf_obj *pdf_get_font_reference (int font_id);
extern char *pdf_get_font_usedchars (int font_id);
+extern char *pdf_get_font_usedglyphs (int font_id);
#if 0
extern char *pdf_get_font_fontname (int font_id); /* without unique tag */
diff --git a/Build/source/texk/dvipdfm-x/tt_cmap.c b/Build/source/texk/dvipdfm-x/tt_cmap.c
index aa49979be6c..a2e8e21f679 100644
--- a/Build/source/texk/dvipdfm-x/tt_cmap.c
+++ b/Build/source/texk/dvipdfm-x/tt_cmap.c
@@ -55,6 +55,10 @@
#include "tt_cmap.h"
+#ifdef XETEX
+#include FT_CID_H
+#endif
+
#define VERBOSE_LEVEL_MIN 0
static int verbose = 0;
void
@@ -947,6 +951,16 @@ handle_subst_glyphs (CMap *cmap,
return count;
}
+unsigned int
+gid_to_cid(sfnt *sfont, USHORT gid)
+{
+ unsigned int cid = 0;
+#ifdef XETEX
+ FT_Get_CID_From_Glyph_Index(sfont->ft_face, gid, &cid);
+#endif
+ return cid ? cid : gid;
+}
+
static pdf_obj *
create_ToUnicode_cmap4 (struct cmap4 *map,
const char *cmap_name, CMap *cmap_add,
@@ -985,10 +999,11 @@ create_ToUnicode_cmap4 (struct cmap4 *map,
map->idDelta[i]) & 0xffff;
}
if (is_used_char2(used_glyphs_copy, gid)) {
+ unsigned int cid = gid_to_cid(sfont, gid);
count++;
- wbuf[0] = (gid >> 8) & 0xff;
- wbuf[1] = (gid & 0xff);
+ wbuf[0] = (cid >> 8) & 0xff;
+ wbuf[1] = (cid & 0xff);
wbuf[2] = (ch >> 8) & 0xff;
wbuf[3] = ch & 0xff;
@@ -1057,9 +1072,10 @@ create_ToUnicode_cmap12 (struct cmap12 *map,
d = ch - map->groups[i].startCharCode;
gid = (USHORT) ((map->groups[i].startGlyphID + d) & 0xffff);
if (is_used_char2(used_glyphs_copy, gid)) {
+ unsigned int cid = gid_to_cid(sfont, gid);
count++;
- wbuf[0] = (gid >> 8) & 0xff;
- wbuf[1] = (gid & 0xff);
+ wbuf[0] = (cid >> 8) & 0xff;
+ wbuf[1] = (cid & 0xff);
len = UC_sput_UTF16BE((long)ch, &p, wbuf+WBUF_SIZE);
CMap_add_bfchar(cmap, wbuf, 2, wbuf+2, len);
diff --git a/Build/source/texk/dvipdfm-x/type0.c b/Build/source/texk/dvipdfm-x/type0.c
index 3238b0949d7..b74b3f27e02 100644
--- a/Build/source/texk/dvipdfm-x/type0.c
+++ b/Build/source/texk/dvipdfm-x/type0.c
@@ -45,6 +45,9 @@
#include "type0.h"
+#ifdef XETEX
+#include FT_CID_H
+#endif
#define TYPE0FONT_DEBUG_STR "Type0"
#define TYPE0FONT_DEBUG 3
@@ -85,6 +88,7 @@ struct Type0Font {
char *fontname; /* BaseFont */
char *encoding; /* "Identity-H" or "Identity-V" (not ID) */
char *used_chars; /* Used chars (CIDs) */
+ char *used_glyphs; /* Used glyphs (GIDs) */
/*
* Type0 only
@@ -112,6 +116,7 @@ Type0Font_init_font_struct (Type0Font *font)
font->descriptor = NULL;
font->encoding = NULL;
font->used_chars = NULL;
+ font->used_glyphs = NULL;
font->descendant = NULL;
font->wmode = -1;
font->flags = FLAG_NONE;
@@ -139,6 +144,7 @@ Type0Font_clean (Type0Font *font)
font->indirect = NULL;
font->descriptor = NULL;
font->used_chars = NULL;
+ font->used_glyphs = NULL;
font->encoding = NULL;
font->fontname = NULL;
}
@@ -147,13 +153,47 @@ Type0Font_clean (Type0Font *font)
/* PLEASE FIX THIS */
#include "tt_cmap.h"
+pdf_obj *Type0Font_create_ToUnicode_stream(Type0Font *font) {
+ CIDFont *cidfont = font->descendant;
+ char *used = Type0Font_get_usedglyphs(font);
+ if (!used)
+ used = Type0Font_get_usedchars(font);
+ return otf_create_ToUnicode_stream(CIDFont_get_ident(cidfont),
+ CIDFont_get_opt_index(cidfont),
+#ifdef XETEX
+ CIDFont_get_ft_face(cidfont),
+#endif
+ used);
+}
+
+/* Try to load ToUnicode CMap from file system first, if not found fallback to
+ * font CMap reverse lookup. */
+pdf_obj *Type0Font_try_load_ToUnicode_stream(Type0Font *font, char *cmap_base) {
+ char *cmap_name = NEW(strlen(cmap_base) + strlen("-UTF-16"), char);
+ pdf_obj *tounicode;
+
+ sprintf(cmap_name, "%s-UTF16", cmap_base);
+ tounicode = pdf_read_ToUnicode_file(cmap_name);
+ if (!tounicode) {
+ sprintf(cmap_name, "%s-UCS2", cmap_base);
+ tounicode = pdf_read_ToUnicode_file(cmap_name);
+ }
+
+ RELEASE(cmap_name);
+
+ if (!tounicode)
+ tounicode = Type0Font_create_ToUnicode_stream(font);
+
+ return tounicode;
+}
+
static void
add_ToUnicode (Type0Font *font)
{
pdf_obj *tounicode;
CIDFont *cidfont;
CIDSysInfo *csi;
- char *cmap_name, *fontname;
+ char *fontname;
/*
* ToUnicode CMap:
@@ -197,45 +237,24 @@ add_ToUnicode (Type0Font *font)
switch (CIDFont_get_subtype(cidfont)) {
case CIDFONT_TYPE2:
/* PLEASE FIX THIS */
- tounicode = otf_create_ToUnicode_stream(CIDFont_get_ident(cidfont),
- CIDFont_get_opt_index(cidfont),
-#ifdef XETEX
- CIDFont_get_ft_face(cidfont),
-#endif
- Type0Font_get_usedchars(font));
+ tounicode = Type0Font_create_ToUnicode_stream(font);
break;
default:
if (CIDFont_get_flag(cidfont, CIDFONT_FLAG_TYPE1C)) { /* FIXME */
- tounicode = otf_create_ToUnicode_stream(CIDFont_get_ident(cidfont),
- CIDFont_get_opt_index(cidfont),
-#ifdef XETEX
- CIDFont_get_ft_face(cidfont),
-#endif
- Type0Font_get_usedchars(font));
+ tounicode = Type0Font_create_ToUnicode_stream(font);
} else if (CIDFont_get_flag(cidfont, CIDFONT_FLAG_TYPE1)) { /* FIXME */
/* Font loader will create ToUnicode and set. */
return;
} else {
- cmap_name = NEW(strlen(fontname) + 7, char);
- sprintf(cmap_name, "%s-UTF16", fontname);
- tounicode = pdf_read_ToUnicode_file(cmap_name);
- if (!tounicode) {
- sprintf(cmap_name, "%s-UCS2", fontname);
- tounicode = pdf_read_ToUnicode_file(cmap_name);
- }
- RELEASE(cmap_name);
+ tounicode = Type0Font_try_load_ToUnicode_stream(font, fontname);
}
break;
}
} else {
- cmap_name = NEW(strlen(csi->registry)+strlen(csi->ordering)+8, char);
- sprintf(cmap_name, "%s-%s-UTF16", csi->registry, csi->ordering);
- tounicode = pdf_read_ToUnicode_file(cmap_name);
- if (!tounicode) {
- sprintf(cmap_name, "%s-%s-UCS2", csi->registry, csi->ordering);
- tounicode = pdf_read_ToUnicode_file(cmap_name);
- }
- RELEASE(cmap_name);
+ char *cmap_base = NEW(strlen(csi->registry) + strlen(csi->ordering) + 2, char);
+ sprintf(cmap_base, "%s-%s", csi->registry, csi->ordering);
+ tounicode = Type0Font_try_load_ToUnicode_stream(font, cmap_base);
+ RELEASE(cmap_base);
}
if (tounicode) {
@@ -310,6 +329,14 @@ Type0Font_get_usedchars (Type0Font *font)
return font->used_chars;
}
+char *
+Type0Font_get_usedglyphs (Type0Font *font)
+{
+ ASSERT(font);
+
+ return font->used_glyphs;
+}
+
pdf_obj *
Type0Font_get_resource (Type0Font *font)
{
@@ -495,6 +522,7 @@ Type0Font_cache_find (const char *map_name, int cmap_id, fontmap_opt *fmap_opt)
*/
font->used_chars = NULL;
+ font->used_glyphs = NULL;
font->flags = FLAG_NONE;
switch (CIDFont_get_subtype(cidfont)) {
@@ -506,11 +534,19 @@ Type0Font_cache_find (const char *map_name, int cmap_id, fontmap_opt *fmap_opt)
/*
* Need used_chars to write W, W2.
*/
- if ((parent_id = CIDFont_get_parent_id(cidfont, wmode ? 0 : 1)) < 0)
+ if ((parent_id = CIDFont_get_parent_id(cidfont, wmode ? 0 : 1)) < 0) {
+#ifdef XETEX
+ FT_Face face = CIDFont_get_ft_face(cidfont);
+ FT_Bool is_cid_keyed = 0;
+ FT_Get_CID_Is_Internally_CID_Keyed(face, &is_cid_keyed);
+ if (is_cid_keyed)
+ font->used_glyphs = new_used_chars2();
+#endif
font->used_chars = new_used_chars2();
- else {
+ } else {
/* Don't allocate new one. */
font->used_chars = Type0Font_get_usedchars(Type0Font_cache_get(parent_id));
+ font->used_glyphs = Type0Font_get_usedglyphs(Type0Font_cache_get(parent_id));
font->flags |= FLAG_USED_CHARS_SHARED;
}
break;
diff --git a/Build/source/texk/dvipdfm-x/type0.h b/Build/source/texk/dvipdfm-x/type0.h
index 6b8fa1d1c39..7e140bc8719 100644
--- a/Build/source/texk/dvipdfm-x/type0.h
+++ b/Build/source/texk/dvipdfm-x/type0.h
@@ -35,6 +35,7 @@ extern int Type0Font_get_wmode (Type0Font *font);
extern char *Type0Font_get_encoding (Type0Font *font);
#endif
extern char *Type0Font_get_usedchars (Type0Font *font);
+extern char *Type0Font_get_usedglyphs (Type0Font *font);
extern pdf_obj *Type0Font_get_resource (Type0Font *font);