diff options
Diffstat (limited to 'Build/source')
-rw-r--r-- | Build/source/texk/dvipdfm-x/ChangeLog | 5 | ||||
-rw-r--r-- | Build/source/texk/dvipdfm-x/dvi.c | 48 | ||||
-rw-r--r-- | Build/source/texk/dvipdfm-x/dvicodes.h | 6 | ||||
-rw-r--r-- | Build/source/texk/dvipdfm-x/pdfdev.c | 53 | ||||
-rw-r--r-- | Build/source/texk/dvipdfm-x/pdfdev.h | 3 |
5 files changed, 104 insertions, 11 deletions
diff --git a/Build/source/texk/dvipdfm-x/ChangeLog b/Build/source/texk/dvipdfm-x/ChangeLog index 140568f0661..079c27dd113 100644 --- a/Build/source/texk/dvipdfm-x/ChangeLog +++ b/Build/source/texk/dvipdfm-x/ChangeLog @@ -1,3 +1,8 @@ +2016-02-23 Jonathan Kew <jfkthame@gmail.com> + + * dvicodes.h, dvi.c, pdfdev.[ch]: Support xetex 0.99995 output + (dvi format 7) that includes ActualText content. + 2016-02-17 Akira Kakuto <kakuto@fuk.kindai.ac.jp> * spc_pdfm.c: Remaining fix for that on 2016-02-13. diff --git a/Build/source/texk/dvipdfm-x/dvi.c b/Build/source/texk/dvipdfm-x/dvi.c index df2379772ba..87eca839595 100644 --- a/Build/source/texk/dvipdfm-x/dvi.c +++ b/Build/source/texk/dvipdfm-x/dvi.c @@ -357,13 +357,13 @@ find_post (void) /* file_position now points to last non padding character or * beginning of file */ if (dvi_file_size - current < 4 || current == 0 || - !(ch == DVI_ID || ch == DVIV_ID || ch == XDV_ID)) { + !(ch == DVI_ID || ch == DVIV_ID || ch == XDV_ID || ch == XDV_ID_OLD)) { MESG("DVI ID = %d\n", ch); ERROR(invalid_signature); } post_id_byte = ch; - is_xdv = ch == XDV_ID; + is_xdv = (ch == XDV_ID || ch == XDV_ID_OLD); is_ptex = ch == DVIV_ID; /* Make sure post_post is really there */ @@ -388,7 +388,7 @@ find_post (void) ERROR(invalid_signature); } ch = get_unsigned_byte(dvi_file); - if (!(ch == DVI_ID || ch == XDV_ID)) { + if (!(ch == DVI_ID || ch == XDV_ID || ch == XDV_ID_OLD)) { MESG("DVI ID = %d\n", ch); ERROR(invalid_signature); } @@ -484,13 +484,13 @@ get_preamble_dvi_info (void) /* An Ascii pTeX DVI file has id_byte DVI_ID in the preamble but DVIV_ID in the postamble. */ ch = get_unsigned_byte(dvi_file); - if (!(ch == DVI_ID || ch == XDV_ID)) { + if (!(ch == DVI_ID || ch == XDV_ID || ch == XDV_ID_OLD)) { MESG("DVI ID = %d\n", ch); ERROR(invalid_signature); } pre_id_byte = ch; - is_xdv = ch == XDV_ID; + is_xdv = (ch == XDV_ID || ch == XDV_ID_OLD); is_ptex = ch == DVI_ID; /* maybe */ dvi_info.unit_num = get_positive_quad(dvi_file, "DVI", "unit_num"); @@ -1648,7 +1648,7 @@ skip_glyphs (void) } static void -do_glyphs (void) +do_glyphs (int do_actual_text) { struct loaded_font *font; spt_t width, height, depth, *xloc, *yloc, glyph_width = 0; @@ -1660,6 +1660,22 @@ do_glyphs (void) font = &loaded_fonts[current_font]; + if (do_actual_text) { + slen = (unsigned int) get_buffered_unsigned_pair(); + if (lr_mode >= SKIMMING) { + for (i = 0; i < slen; i++) { + skip_bufferd_bytes(2); + } + } else { + uint16_t *unicodes = NEW(slen, uint16_t); + for (i = 0; i < slen; i++) { + unicodes[i] = (uint16_t) get_buffered_unsigned_pair(); + } + pdf_dev_begin_actualtext (unicodes, slen); + RELEASE(unicodes); + } + } + width = get_buffered_signed_quad(); if (lr_mode >= SKIMMING) { @@ -1739,6 +1755,10 @@ do_glyphs (void) RELEASE(xloc); RELEASE(yloc); + if (do_actual_text) { + pdf_dev_end_actualtext(); + } + if (lr_mode == LTYPESETTING) dvi_right(width); @@ -1767,7 +1787,7 @@ check_postamble (void) } skip_bytes(4, dvi_file); post_id_byte = get_unsigned_byte(dvi_file); - if (!(post_id_byte == DVI_ID || post_id_byte == DVIV_ID || post_id_byte == XDV_ID)) { + if (!(post_id_byte == DVI_ID || post_id_byte == DVIV_ID || post_id_byte == XDV_ID || post_id_byte == XDV_ID_OLD)) { MESG("DVI ID = %d\n", post_id_byte); ERROR(invalid_signature); } @@ -1919,7 +1939,11 @@ dvi_do_page (double page_paper_height, double hmargin, double vmargin) /* XeTeX extensions */ case XDV_GLYPHS: need_XeTeX(opcode); - do_glyphs(); + do_glyphs(0); + break; + case XDV_TEXT_AND_GLYPHS: + need_XeTeX(opcode); + do_glyphs(1); break; /* should not occur - processed during pre-scanning */ case XDV_NATIVE_FONT_DEF: @@ -2457,6 +2481,14 @@ dvi_scan_specials (int page_no, len = get_and_buffer_unsigned_pair(fp); /* glyph count */ get_and_buffer_bytes(fp, len * 10); /* 2 bytes ID + 8 bytes x,y-location per glyph */ break; + case XDV_TEXT_AND_GLYPHS: + need_XeTeX(opcode); + len = get_and_buffer_unsigned_pair(fp); /* utf16 code unit count */ + get_and_buffer_bytes(fp, len * 2); /* 2 bytes per code unit */ + get_and_buffer_bytes(fp, 4); /* width */ + len = get_and_buffer_unsigned_pair(fp); /* glyph count */ + get_and_buffer_bytes(fp, len * 10); /* 2 bytes ID + 8 bytes x,y-location per glyph */ + break; case XDV_NATIVE_FONT_DEF: need_XeTeX(opcode); do_native_font_def(get_signed_quad(dvi_file)); diff --git a/Build/source/texk/dvipdfm-x/dvicodes.h b/Build/source/texk/dvipdfm-x/dvicodes.h index fcaa40a740f..3f8026322d4 100644 --- a/Build/source/texk/dvipdfm-x/dvicodes.h +++ b/Build/source/texk/dvipdfm-x/dvicodes.h @@ -100,7 +100,8 @@ one byte unsigned comment length followed by comment. */ #define DVI_ID 2 /* ID Byte for current DVI file */ #define DVIV_ID 3 /* with Ascii pTeX VW mode extension */ -#define XDV_ID 6 /* XeTeX ".xdv" output that uses XDV opcodes below */ +#define XDV_ID_OLD 6 /* older XeTeX ".xdv" output that does not have XDV_TEXT_AND_GLYPHS */ +#define XDV_ID 7 /* XeTeX ".xdv" output that uses XDV opcodes below */ #define POST 248 /* Postamble- -- similar to preamble four byte pointer to final bop four byte numerator @@ -122,8 +123,7 @@ /* XeTeX ".xdv" codes */ #define XDV_NATIVE_FONT_DEF 252 /* fontdef for native platform font */ #define XDV_GLYPHS 253 /* string of glyph IDs with X and Y positions */ - -#define NOT_USED 254 /* not used */ +#define XDV_TEXT_AND_GLYPHS 254 /* like XDV_GLYPHS plus original Unicode text */ #define PTEXDIR 255 /* Ascii pTeX DIR command */ diff --git a/Build/source/texk/dvipdfm-x/pdfdev.c b/Build/source/texk/dvipdfm-x/pdfdev.c index bfe5c4968db..553b271dead 100644 --- a/Build/source/texk/dvipdfm-x/pdfdev.c +++ b/Build/source/texk/dvipdfm-x/pdfdev.c @@ -1949,3 +1949,56 @@ transform_info_clear (transform_info *info) info->flags = 0; } + +void +pdf_dev_begin_actualtext (uint16_t *unicodes, int count) +{ + int len, i, pdf_doc_enc = 1; + + /* check whether we can use PDFDocEncoding for this string + (we punt on the 0x80..0xA0 range that does not directly correspond to unicode) */ + for (i = 0; i < count; i++) { + if (unicodes[i] > 0xff || (unicodes[i] > 0x7f && unicodes[i] < 0xa1)) { + pdf_doc_enc = 0; + break; + } + } + + graphics_mode(); + + len = sprintf(work_buffer, "\n/Span<</ActualText("); + if (!pdf_doc_enc) { + len += sprintf(work_buffer + len, "\xFE\xFF"); + } + pdf_doc_add_page_content(work_buffer, len); + + while (count-- > 0) { + unsigned char s[2] = { *unicodes >> 8, *unicodes & 0xff }; + i = pdf_doc_enc; /* if using PDFDocEncoding, we only care about the low 8 bits, + so start with the second byte of our pair */ + len = 0; + for (; i < 2; i++) { + unsigned char c = s[i]; + if (c == '(' || c == ')' || c == '\\') { + len += sprintf(work_buffer + len, "\\%c", c); + } else if (c < ' ') { + len += sprintf(work_buffer + len, "\\%03o", c); + } else { + len += sprintf(work_buffer + len, "%c", c); + } + } + pdf_doc_add_page_content(work_buffer, len); + ++unicodes; + } + + len = sprintf(work_buffer, ")>>BDC"); + pdf_doc_add_page_content(work_buffer, len); +} + +void +pdf_dev_end_actualtext () +{ + graphics_mode(); + + pdf_doc_add_page_content(" EMC", 4); +} diff --git a/Build/source/texk/dvipdfm-x/pdfdev.h b/Build/source/texk/dvipdfm-x/pdfdev.h index 7d70844bf95..d1cca7b118d 100644 --- a/Build/source/texk/dvipdfm-x/pdfdev.h +++ b/Build/source/texk/dvipdfm-x/pdfdev.h @@ -221,4 +221,7 @@ extern void pdf_dev_get_coord(double *xpos, double *ypos); extern void pdf_dev_push_coord(double xpos, double ypos); extern void pdf_dev_pop_coord(void); +extern void pdf_dev_begin_actualtext (uint16_t *unicodes, int len); +extern void pdf_dev_end_actualtext (); + #endif /* _PDFDEV_H_ */ |