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Diffstat (limited to 'src/hardcopy.c')
| -rw-r--r-- | src/hardcopy.c | 3461 |
1 files changed, 3461 insertions, 0 deletions
diff --git a/src/hardcopy.c b/src/hardcopy.c new file mode 100644 index 0000000..f6be017 --- /dev/null +++ b/src/hardcopy.c @@ -0,0 +1,3461 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * hardcopy.c: printing to paper + */ + +#include "vim.h" +#include "version.h" + +#if defined(FEAT_PRINTER) || defined(PROTO) +/* + * To implement printing on a platform, the following functions must be + * defined: + * + * int mch_print_init(prt_settings_T *psettings, char_u *jobname, int forceit) + * Called once. Code should display printer dialogue (if appropriate) and + * determine printer font and margin settings. Reset has_color if the printer + * doesn't support colors at all. + * Returns FAIL to abort. + * + * int mch_print_begin(prt_settings_T *settings) + * Called to start the print job. + * Return FALSE to abort. + * + * int mch_print_begin_page(char_u *msg) + * Called at the start of each page. + * "msg" indicates the progress of the print job, can be NULL. + * Return FALSE to abort. + * + * int mch_print_end_page() + * Called at the end of each page. + * Return FALSE to abort. + * + * int mch_print_blank_page() + * Called to generate a blank page for collated, duplex, multiple copy + * document. Return FALSE to abort. + * + * void mch_print_end(prt_settings_T *psettings) + * Called at normal end of print job. + * + * void mch_print_cleanup() + * Called if print job ends normally or is abandoned. Free any memory, close + * devices and handles. Also called when mch_print_begin() fails, but not + * when mch_print_init() fails. + * + * void mch_print_set_font(int Bold, int Italic, int Underline); + * Called whenever the font style changes. + * + * void mch_print_set_bg(long_u bgcol); + * Called to set the background color for the following text. Parameter is an + * RGB value. + * + * void mch_print_set_fg(long_u fgcol); + * Called to set the foreground color for the following text. Parameter is an + * RGB value. + * + * mch_print_start_line(int margin, int page_line) + * Sets the current position at the start of line "page_line". + * If margin is TRUE start in the left margin (for header and line number). + * + * int mch_print_text_out(char_u *p, int len); + * Output one character of text p[len] at the current position. + * Return TRUE if there is no room for another character in the same line. + * + * Note that the generic code has no idea of margins. The machine code should + * simply make the page look smaller! The header and the line numbers are + * printed in the margin. + */ + +#ifdef FEAT_SYN_HL +static const long_u cterm_color_8[8] = +{ + (long_u)0x000000L, (long_u)0xff0000L, (long_u)0x00ff00L, (long_u)0xffff00L, + (long_u)0x0000ffL, (long_u)0xff00ffL, (long_u)0x00ffffL, (long_u)0xffffffL +}; + +static const long_u cterm_color_16[16] = +{ + (long_u)0x000000L, (long_u)0x0000c0L, (long_u)0x008000L, (long_u)0x004080L, + (long_u)0xc00000L, (long_u)0xc000c0L, (long_u)0x808000L, (long_u)0xc0c0c0L, + (long_u)0x808080L, (long_u)0x6060ffL, (long_u)0x00ff00L, (long_u)0x00ffffL, + (long_u)0xff8080L, (long_u)0xff40ffL, (long_u)0xffff00L, (long_u)0xffffffL +}; + +static int current_syn_id; +#endif + +#define PRCOLOR_BLACK (long_u)0 +#define PRCOLOR_WHITE (long_u)0xFFFFFFL + +static int curr_italic; +static int curr_bold; +static int curr_underline; +static long_u curr_bg; +static long_u curr_fg; +static int page_count; + +#if defined(FEAT_POSTSCRIPT) +# define OPT_MBFONT_USECOURIER 0 +# define OPT_MBFONT_ASCII 1 +# define OPT_MBFONT_REGULAR 2 +# define OPT_MBFONT_BOLD 3 +# define OPT_MBFONT_OBLIQUE 4 +# define OPT_MBFONT_BOLDOBLIQUE 5 +# define OPT_MBFONT_NUM_OPTIONS 6 + +static option_table_T mbfont_opts[OPT_MBFONT_NUM_OPTIONS] = +{ + {"c", FALSE, 0, NULL, 0, FALSE}, + {"a", FALSE, 0, NULL, 0, FALSE}, + {"r", FALSE, 0, NULL, 0, FALSE}, + {"b", FALSE, 0, NULL, 0, FALSE}, + {"i", FALSE, 0, NULL, 0, FALSE}, + {"o", FALSE, 0, NULL, 0, FALSE}, +}; +#endif + +/* + * These values determine the print position on a page. + */ +typedef struct +{ + int lead_spaces; // remaining spaces for a TAB + int print_pos; // virtual column for computing TABs + colnr_T column; // byte column + linenr_T file_line; // line nr in the buffer + long_u bytes_printed; // bytes printed so far + int ff; // seen form feed character +} prt_pos_T; + +static char *parse_list_options(char_u *option_str, option_table_T *table, int table_size); + +static colnr_T hardcopy_line(prt_settings_T *psettings, int page_line, prt_pos_T *ppos); + +/* + * Parse 'printoptions' and set the flags in "printer_opts". + * Returns an error message or NULL; + */ + char * +parse_printoptions(optset_T *args UNUSED) +{ + return parse_list_options(p_popt, printer_opts, OPT_PRINT_NUM_OPTIONS); +} + +#if defined(FEAT_POSTSCRIPT) || defined(PROTO) +/* + * Parse 'printmbfont' and set the flags in "mbfont_opts". + * Returns an error message or NULL; + */ + char * +parse_printmbfont(optset_T *args UNUSED) +{ + return parse_list_options(p_pmfn, mbfont_opts, OPT_MBFONT_NUM_OPTIONS); +} +#endif + +/* + * Parse a list of options in the form + * option:value,option:value,option:value + * + * "value" can start with a number which is parsed out, e.g. margin:12mm + * + * Returns an error message for an illegal option, NULL otherwise. + * Only used for the printer at the moment... + */ + static char * +parse_list_options( + char_u *option_str, + option_table_T *table, + int table_size) +{ + option_table_T *old_opts; + char *ret = NULL; + char_u *stringp; + char_u *colonp; + char_u *commap; + char_u *p; + int idx = 0; // init for GCC + int len; + + // Save the old values, so that they can be restored in case of an error. + old_opts = ALLOC_MULT(option_table_T, table_size); + if (old_opts == NULL) + return NULL; + + for (idx = 0; idx < table_size; ++idx) + { + old_opts[idx] = table[idx]; + table[idx].present = FALSE; + } + + /* + * Repeat for all comma separated parts. + */ + stringp = option_str; + while (*stringp) + { + colonp = vim_strchr(stringp, ':'); + if (colonp == NULL) + { + ret = e_missing_colon_3; + break; + } + commap = vim_strchr(stringp, ','); + if (commap == NULL) + commap = option_str + STRLEN(option_str); + + len = (int)(colonp - stringp); + + for (idx = 0; idx < table_size; ++idx) + if (STRNICMP(stringp, table[idx].name, len) == 0) + break; + + if (idx == table_size) + { + ret = e_illegal_component; + break; + } + p = colonp + 1; + table[idx].present = TRUE; + + if (table[idx].hasnum) + { + if (!VIM_ISDIGIT(*p)) + { + ret = e_digit_expected_2; + break; + } + + table[idx].number = getdigits(&p); // advances p + } + + table[idx].string = p; + table[idx].strlen = (int)(commap - p); + + stringp = commap; + if (*stringp == ',') + ++stringp; + } + + if (ret != NULL) + { + // Restore old options in case of error + for (idx = 0; idx < table_size; ++idx) + table[idx] = old_opts[idx]; + } + vim_free(old_opts); + return ret; +} + + +#ifdef FEAT_SYN_HL +/* + * If using a dark background, the colors will probably be too bright to show + * up well on white paper, so reduce their brightness. + */ + static long_u +darken_rgb(long_u rgb) +{ + return ((rgb >> 17) << 16) + + (((rgb & 0xff00) >> 9) << 8) + + ((rgb & 0xff) >> 1); +} + + static long_u +prt_get_term_color(int colorindex) +{ + // TODO: Should check for xterm with 88 or 256 colors. + if (t_colors > 8) + return cterm_color_16[colorindex % 16]; + return cterm_color_8[colorindex % 8]; +} + + static void +prt_get_attr( + int hl_id, + prt_text_attr_T *pattr, + int modec) +{ + int colorindex; + long_u fg_color; + long_u bg_color; + char *color; + + pattr->bold = (highlight_has_attr(hl_id, HL_BOLD, modec) != NULL); + pattr->italic = (highlight_has_attr(hl_id, HL_ITALIC, modec) != NULL); + pattr->underline = (highlight_has_attr(hl_id, HL_UNDERLINE, modec) != NULL); + pattr->undercurl = (highlight_has_attr(hl_id, HL_UNDERCURL, modec) != NULL); + // TODO: HL_UNDERDOUBLE, HL_UNDERDOTTED, HL_UNDERDASHED + +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + if (USE_24BIT) + { + bg_color = highlight_gui_color_rgb(hl_id, FALSE); + if (bg_color == PRCOLOR_BLACK) + bg_color = PRCOLOR_WHITE; + + fg_color = highlight_gui_color_rgb(hl_id, TRUE); + } + else +# endif + { + bg_color = PRCOLOR_WHITE; + + color = (char *)highlight_color(hl_id, (char_u *)"fg", modec); + if (color == NULL) + colorindex = 0; + else + colorindex = atoi(color); + + if (colorindex >= 0 && colorindex < t_colors) + fg_color = prt_get_term_color(colorindex); + else + fg_color = PRCOLOR_BLACK; + } + + if (fg_color == PRCOLOR_WHITE) + fg_color = PRCOLOR_BLACK; + else if (*p_bg == 'd') + fg_color = darken_rgb(fg_color); + + pattr->fg_color = fg_color; + pattr->bg_color = bg_color; +} +#endif // FEAT_SYN_HL + + static void +prt_set_fg(long_u fg) +{ + if (fg == curr_fg) + return; + + curr_fg = fg; + mch_print_set_fg(fg); +} + + static void +prt_set_bg(long_u bg) +{ + if (bg == curr_bg) + return; + + curr_bg = bg; + mch_print_set_bg(bg); +} + + static void +prt_set_font(int bold, int italic, int underline) +{ + if (curr_bold == bold + && curr_italic == italic + && curr_underline == underline) + return; + + curr_underline = underline; + curr_italic = italic; + curr_bold = bold; + mch_print_set_font(bold, italic, underline); +} + +/* + * Print the line number in the left margin. + */ + static void +prt_line_number( + prt_settings_T *psettings, + int page_line, + linenr_T lnum) +{ + int i; + char_u tbuf[20]; + + prt_set_fg(psettings->number.fg_color); + prt_set_bg(psettings->number.bg_color); + prt_set_font(psettings->number.bold, psettings->number.italic, psettings->number.underline); + mch_print_start_line(TRUE, page_line); + + // Leave two spaces between the number and the text; depends on + // PRINT_NUMBER_WIDTH. + sprintf((char *)tbuf, "%6ld", (long)lnum); + for (i = 0; i < 6; i++) + (void)mch_print_text_out(&tbuf[i], 1); + +#ifdef FEAT_SYN_HL + if (psettings->do_syntax) + // Set colors for next character. + current_syn_id = -1; + else +#endif + { + // Set colors and font back to normal. + prt_set_fg(PRCOLOR_BLACK); + prt_set_bg(PRCOLOR_WHITE); + prt_set_font(FALSE, FALSE, FALSE); + } +} + +/* + * Get the currently effective header height. + */ + int +prt_header_height(void) +{ + if (printer_opts[OPT_PRINT_HEADERHEIGHT].present) + return printer_opts[OPT_PRINT_HEADERHEIGHT].number; + return 2; +} + +/* + * Return TRUE if using a line number for printing. + */ + int +prt_use_number(void) +{ + return (printer_opts[OPT_PRINT_NUMBER].present + && TOLOWER_ASC(printer_opts[OPT_PRINT_NUMBER].string[0]) == 'y'); +} + +/* + * Return the unit used in a margin item in 'printoptions'. + * Returns PRT_UNIT_NONE if not recognized. + */ + int +prt_get_unit(int idx) +{ + int u = PRT_UNIT_NONE; + int i; + static char *(units[4]) = PRT_UNIT_NAMES; + + if (!printer_opts[idx].present) + return PRT_UNIT_NONE; + + for (i = 0; i < 4; ++i) + if (STRNICMP(printer_opts[idx].string, units[i], 2) == 0) + { + u = i; + break; + } + return u; +} + +/* + * Print the page header. + */ + static void +prt_header( + prt_settings_T *psettings, + int pagenum, + linenr_T lnum UNUSED) +{ + int width = psettings->chars_per_line; + int page_line; + char_u *tbuf; + char_u *p; + int l; + + // Also use the space for the line number. + if (prt_use_number()) + width += PRINT_NUMBER_WIDTH; + + tbuf = alloc(width + IOSIZE); + if (tbuf == NULL) + return; + +#ifdef FEAT_STL_OPT + if (*p_header != NUL) + { + linenr_T tmp_lnum, tmp_topline, tmp_botline; + + /* + * Need to (temporarily) set current line number and first/last line + * number on the 'window'. Since we don't know how long the page is, + * set the first and current line number to the top line, and guess + * that the page length is 64. + */ + tmp_lnum = curwin->w_cursor.lnum; + tmp_topline = curwin->w_topline; + tmp_botline = curwin->w_botline; + curwin->w_cursor.lnum = lnum; + curwin->w_topline = lnum; + curwin->w_botline = lnum + 63; + printer_page_num = pagenum; + + build_stl_str_hl(curwin, tbuf, (size_t)(width + IOSIZE), p_header, + (char_u *)"printheader", 0, ' ', width, NULL, NULL); + + // Reset line numbers + curwin->w_cursor.lnum = tmp_lnum; + curwin->w_topline = tmp_topline; + curwin->w_botline = tmp_botline; + } + else +#endif + sprintf((char *)tbuf, _("Page %d"), pagenum); + + prt_set_fg(PRCOLOR_BLACK); + prt_set_bg(PRCOLOR_WHITE); + prt_set_font(TRUE, FALSE, FALSE); + + // Use a negative line number to indicate printing in the top margin. + page_line = 0 - prt_header_height(); + mch_print_start_line(TRUE, page_line); + for (p = tbuf; *p != NUL; ) + { + if (mch_print_text_out(p, (l = (*mb_ptr2len)(p)))) + { + ++page_line; + if (page_line >= 0) // out of room in header + break; + mch_print_start_line(TRUE, page_line); + } + p += l; + } + + vim_free(tbuf); + +#ifdef FEAT_SYN_HL + if (psettings->do_syntax) + // Set colors for next character. + current_syn_id = -1; + else +#endif + { + // Set colors and font back to normal. + prt_set_fg(PRCOLOR_BLACK); + prt_set_bg(PRCOLOR_WHITE); + prt_set_font(FALSE, FALSE, FALSE); + } +} + +/* + * Display a print status message. + */ + static void +prt_message(char_u *s) +{ + screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); + screen_puts(s, (int)Rows - 1, 0, HL_ATTR(HLF_R)); + out_flush(); +} + + void +ex_hardcopy(exarg_T *eap) +{ + linenr_T lnum; + int collated_copies, uncollated_copies; + prt_settings_T settings; + long_u bytes_to_print = 0; + int page_line; + int jobsplit; + + CLEAR_FIELD(settings); + settings.has_color = TRUE; + +# ifdef FEAT_POSTSCRIPT + if (*eap->arg == '>') + { + char *errormsg = NULL; + + // Expand things like "%.ps". + if (expand_filename(eap, eap->cmdlinep, &errormsg) == FAIL) + { + if (errormsg != NULL) + emsg(errormsg); + return; + } + settings.outfile = skipwhite(eap->arg + 1); + } + else if (*eap->arg != NUL) + settings.arguments = eap->arg; +# endif + + /* + * Initialise for printing. Ask the user for settings, unless forceit is + * set. + * The mch_print_init() code should set up margins if applicable. (It may + * not be a real printer - for example the engine might generate HTML or + * PS.) + */ + if (mch_print_init(&settings, + curbuf->b_fname == NULL + ? buf_spname(curbuf) + : curbuf->b_sfname == NULL + ? curbuf->b_fname + : curbuf->b_sfname, + eap->forceit) == FAIL) + return; + +#ifdef FEAT_SYN_HL +# ifdef FEAT_GUI + if (gui.in_use) + settings.modec = 'g'; + else +# endif + if (t_colors > 1) + settings.modec = 'c'; + else + settings.modec = 't'; + + if (!syntax_present(curwin)) + settings.do_syntax = FALSE; + else if (printer_opts[OPT_PRINT_SYNTAX].present + && TOLOWER_ASC(printer_opts[OPT_PRINT_SYNTAX].string[0]) != 'a') + settings.do_syntax = + (TOLOWER_ASC(printer_opts[OPT_PRINT_SYNTAX].string[0]) == 'y'); + else + settings.do_syntax = settings.has_color; +#endif + + // Set up printing attributes for line numbers + settings.number.fg_color = PRCOLOR_BLACK; + settings.number.bg_color = PRCOLOR_WHITE; + settings.number.bold = FALSE; + settings.number.italic = TRUE; + settings.number.underline = FALSE; +#ifdef FEAT_SYN_HL + /* + * Syntax highlighting of line numbers. + */ + if (prt_use_number() && settings.do_syntax) + { + int id; + + id = syn_name2id((char_u *)"LineNr"); + if (id > 0) + id = syn_get_final_id(id); + + prt_get_attr(id, &settings.number, settings.modec); + } +#endif + + /* + * Estimate the total lines to be printed + */ + for (lnum = eap->line1; lnum <= eap->line2; lnum++) + bytes_to_print += (long_u)STRLEN(skipwhite(ml_get(lnum))); + if (bytes_to_print == 0) + { + msg(_("No text to be printed")); + goto print_fail_no_begin; + } + + // Set colors and font to normal. + curr_bg = (long_u)0xffffffffL; + curr_fg = (long_u)0xffffffffL; + curr_italic = MAYBE; + curr_bold = MAYBE; + curr_underline = MAYBE; + + prt_set_fg(PRCOLOR_BLACK); + prt_set_bg(PRCOLOR_WHITE); + prt_set_font(FALSE, FALSE, FALSE); +#ifdef FEAT_SYN_HL + current_syn_id = -1; +#endif + + jobsplit = (printer_opts[OPT_PRINT_JOBSPLIT].present + && TOLOWER_ASC(printer_opts[OPT_PRINT_JOBSPLIT].string[0]) == 'y'); + + if (!mch_print_begin(&settings)) + goto print_fail_no_begin; + + /* + * Loop over collated copies: 1 2 3, 1 2 3, ... + */ + page_count = 0; + for (collated_copies = 0; + collated_copies < settings.n_collated_copies; + collated_copies++) + { + prt_pos_T prtpos; // current print position + prt_pos_T page_prtpos; // print position at page start + int side; + + CLEAR_FIELD(page_prtpos); + page_prtpos.file_line = eap->line1; + prtpos = page_prtpos; + + if (jobsplit && collated_copies > 0) + { + // Splitting jobs: Stop a previous job and start a new one. + mch_print_end(&settings); + if (!mch_print_begin(&settings)) + goto print_fail_no_begin; + } + + /* + * Loop over all pages in the print job: 1 2 3 ... + */ + for (page_count = 0; prtpos.file_line <= eap->line2; ++page_count) + { + /* + * Loop over uncollated copies: 1 1 1, 2 2 2, 3 3 3, ... + * For duplex: 12 12 12 34 34 34, ... + */ + for (uncollated_copies = 0; + uncollated_copies < settings.n_uncollated_copies; + uncollated_copies++) + { + // Set the print position to the start of this page. + prtpos = page_prtpos; + + /* + * Do front and rear side of a page. + */ + for (side = 0; side <= settings.duplex; ++side) + { + /* + * Print one page. + */ + + // Check for interrupt character every page. + ui_breakcheck(); + if (got_int || settings.user_abort) + goto print_fail; + + sprintf((char *)IObuff, _("Printing page %d (%d%%)"), + page_count + 1 + side, + prtpos.bytes_printed > 1000000 + ? (int)(prtpos.bytes_printed / + (bytes_to_print / 100)) + : (int)((prtpos.bytes_printed * 100) + / bytes_to_print)); + if (!mch_print_begin_page(IObuff)) + goto print_fail; + + if (settings.n_collated_copies > 1) + sprintf((char *)IObuff + STRLEN(IObuff), + _(" Copy %d of %d"), + collated_copies + 1, + settings.n_collated_copies); + prt_message(IObuff); + + /* + * Output header if required + */ + if (prt_header_height() > 0) + prt_header(&settings, page_count + 1 + side, + prtpos.file_line); + + for (page_line = 0; page_line < settings.lines_per_page; + ++page_line) + { + prtpos.column = hardcopy_line(&settings, + page_line, &prtpos); + if (prtpos.column == 0) + { + // finished a file line + prtpos.bytes_printed += + STRLEN(skipwhite(ml_get(prtpos.file_line))); + if (++prtpos.file_line > eap->line2) + break; // reached the end + } + else if (prtpos.ff) + { + // Line had a formfeed in it - start new page but + // stay on the current line + break; + } + } + + if (!mch_print_end_page()) + goto print_fail; + if (prtpos.file_line > eap->line2) + break; // reached the end + } + + /* + * Extra blank page for duplexing with odd number of pages and + * more copies to come. + */ + if (prtpos.file_line > eap->line2 && settings.duplex + && side == 0 + && uncollated_copies + 1 < settings.n_uncollated_copies) + { + if (!mch_print_blank_page()) + goto print_fail; + } + } + if (settings.duplex && prtpos.file_line <= eap->line2) + ++page_count; + + // Remember the position where the next page starts. + page_prtpos = prtpos; + } + + vim_snprintf((char *)IObuff, IOSIZE, _("Printed: %s"), + settings.jobname); + prt_message(IObuff); + } + +print_fail: + if (got_int || settings.user_abort) + { + sprintf((char *)IObuff, "%s", _("Printing aborted")); + prt_message(IObuff); + } + mch_print_end(&settings); + +print_fail_no_begin: + mch_print_cleanup(); +} + +/* + * Print one page line. + * Return the next column to print, or zero if the line is finished. + */ + static colnr_T +hardcopy_line( + prt_settings_T *psettings, + int page_line, + prt_pos_T *ppos) +{ + colnr_T col; + char_u *line; + int need_break = FALSE; + int outputlen; + int tab_spaces; + long_u print_pos; +#ifdef FEAT_SYN_HL + prt_text_attr_T attr; + int id; +#endif + + if (ppos->column == 0 || ppos->ff) + { + print_pos = 0; + tab_spaces = 0; + if (!ppos->ff && prt_use_number()) + prt_line_number(psettings, page_line, ppos->file_line); + ppos->ff = FALSE; + } + else + { + // left over from wrap halfway a tab + print_pos = ppos->print_pos; + tab_spaces = ppos->lead_spaces; + } + + mch_print_start_line(0, page_line); + line = ml_get(ppos->file_line); + + /* + * Loop over the columns until the end of the file line or right margin. + */ + for (col = ppos->column; line[col] != NUL && !need_break; col += outputlen) + { + outputlen = 1; + if (has_mbyte && (outputlen = (*mb_ptr2len)(line + col)) < 1) + outputlen = 1; +#ifdef FEAT_SYN_HL + /* + * syntax highlighting stuff. + */ + if (psettings->do_syntax) + { + id = syn_get_id(curwin, ppos->file_line, col, 1, NULL, FALSE); + if (id > 0) + id = syn_get_final_id(id); + else + id = 0; + // Get the line again, a multi-line regexp may invalidate it. + line = ml_get(ppos->file_line); + + if (id != current_syn_id) + { + current_syn_id = id; + prt_get_attr(id, &attr, psettings->modec); + prt_set_font(attr.bold, attr.italic, attr.underline); + prt_set_fg(attr.fg_color); + prt_set_bg(attr.bg_color); + } + } +#endif + + /* + * Appropriately expand any tabs to spaces. + */ + if (line[col] == TAB || tab_spaces != 0) + { + if (tab_spaces == 0) +#ifdef FEAT_VARTABS + tab_spaces = tabstop_padding(print_pos, curbuf->b_p_ts, + curbuf->b_p_vts_array); +#else + tab_spaces = (int)(curbuf->b_p_ts - (print_pos % curbuf->b_p_ts)); +#endif + + while (tab_spaces > 0) + { + need_break = mch_print_text_out((char_u *)" ", 1); + print_pos++; + tab_spaces--; + if (need_break) + break; + } + // Keep the TAB if we didn't finish it. + if (need_break && tab_spaces > 0) + break; + } + else if (line[col] == FF + && printer_opts[OPT_PRINT_FORMFEED].present + && TOLOWER_ASC(printer_opts[OPT_PRINT_FORMFEED].string[0]) + == 'y') + { + ppos->ff = TRUE; + need_break = 1; + } + else + { + need_break = mch_print_text_out(line + col, outputlen); + if (has_mbyte) + print_pos += (*mb_ptr2cells)(line + col); + else + print_pos++; + } + } + + ppos->lead_spaces = tab_spaces; + ppos->print_pos = (int)print_pos; + + /* + * Start next line of file if we clip lines, or have reached end of the + * line, unless we are doing a formfeed. + */ + if (!ppos->ff + && (line[col] == NUL + || (printer_opts[OPT_PRINT_WRAP].present + && TOLOWER_ASC(printer_opts[OPT_PRINT_WRAP].string[0]) + == 'n'))) + return 0; + return col; +} + +# if defined(FEAT_POSTSCRIPT) || defined(PROTO) + +/* + * PS printer stuff. + * + * Sources of information to help maintain the PS printing code: + * + * 1. PostScript Language Reference, 3rd Edition, + * Addison-Wesley, 1999, ISBN 0-201-37922-8 + * 2. PostScript Language Program Design, + * Addison-Wesley, 1988, ISBN 0-201-14396-8 + * 3. PostScript Tutorial and Cookbook, + * Addison Wesley, 1985, ISBN 0-201-10179-3 + * 4. PostScript Language Document Structuring Conventions Specification, + * version 3.0, + * Adobe Technote 5001, 25th September 1992 + * 5. PostScript Printer Description File Format Specification, Version 4.3, + * Adobe technote 5003, 9th February 1996 + * 6. Adobe Font Metrics File Format Specification, Version 4.1, + * Adobe Technote 5007, 7th October 1998 + * 7. Adobe CMap and CIDFont Files Specification, Version 1.0, + * Adobe Technote 5014, 8th October 1996 + * 8. Adobe CJKV Character Collections and CMaps for CID-Keyed Fonts, + * Adoboe Technote 5094, 8th September, 2001 + * 9. CJKV Information Processing, 2nd Edition, + * O'Reilly, 2002, ISBN 1-56592-224-7 + * + * Some of these documents can be found in PDF form on Adobe's web site - + * http://www.adobe.com + */ + +#define PRT_PS_DEFAULT_DPI (72) // Default user space resolution +#define PRT_PS_DEFAULT_FONTSIZE (10) +#define PRT_PS_DEFAULT_BUFFER_SIZE (80) + +struct prt_mediasize_S +{ + char *name; + float width; // width and height in points for portrait + float height; +}; + +#define PRT_MEDIASIZE_LEN ARRAY_LENGTH(prt_mediasize) + +static struct prt_mediasize_S prt_mediasize[] = +{ + {"A4", 595.0, 842.0}, + {"letter", 612.0, 792.0}, + {"10x14", 720.0, 1008.0}, + {"A3", 842.0, 1191.0}, + {"A5", 420.0, 595.0}, + {"B4", 729.0, 1032.0}, + {"B5", 516.0, 729.0}, + {"executive", 522.0, 756.0}, + {"folio", 595.0, 935.0}, + {"ledger", 1224.0, 792.0}, // Yes, it is wider than taller! + {"legal", 612.0, 1008.0}, + {"quarto", 610.0, 780.0}, + {"statement", 396.0, 612.0}, + {"tabloid", 792.0, 1224.0} +}; + +// PS font names, must be in Roman, Bold, Italic, Bold-Italic order +struct prt_ps_font_S +{ + int wx; + int uline_offset; + int uline_width; + int bbox_min_y; + int bbox_max_y; + char *(ps_fontname[4]); +}; + +#define PRT_PS_FONT_ROMAN (0) +#define PRT_PS_FONT_BOLD (1) +#define PRT_PS_FONT_OBLIQUE (2) +#define PRT_PS_FONT_BOLDOBLIQUE (3) + +// Standard font metrics for Courier family +static struct prt_ps_font_S prt_ps_courier_font = +{ + 600, + -100, 50, + -250, 805, + {"Courier", "Courier-Bold", "Courier-Oblique", "Courier-BoldOblique"} +}; + +// Generic font metrics for multi-byte fonts +static struct prt_ps_font_S prt_ps_mb_font = +{ + 1000, + -100, 50, + -250, 805, + {NULL, NULL, NULL, NULL} +}; + +// Pointer to current font set being used +static struct prt_ps_font_S* prt_ps_font; + +// Structures to map user named encoding and mapping to PS equivalents for +// building CID font name +struct prt_ps_encoding_S +{ + char *encoding; + char *cmap_encoding; + int needs_charset; +}; + +struct prt_ps_charset_S +{ + char *charset; + char *cmap_charset; + int has_charset; +}; + + +#define CS_JIS_C_1978 (0x01) +#define CS_JIS_X_1983 (0x02) +#define CS_JIS_X_1990 (0x04) +#define CS_NEC (0x08) +#define CS_MSWINDOWS (0x10) +#define CS_CP932 (0x20) +#define CS_KANJITALK6 (0x40) +#define CS_KANJITALK7 (0x80) + +// Japanese encodings and charsets +static struct prt_ps_encoding_S j_encodings[] = +{ + {"iso-2022-jp", NULL, (CS_JIS_C_1978|CS_JIS_X_1983|CS_JIS_X_1990| + CS_NEC)}, + {"euc-jp", "EUC", (CS_JIS_C_1978|CS_JIS_X_1983|CS_JIS_X_1990)}, + {"sjis", "RKSJ", (CS_JIS_C_1978|CS_JIS_X_1983|CS_MSWINDOWS| + CS_KANJITALK6|CS_KANJITALK7)}, + {"cp932", "RKSJ", CS_JIS_X_1983}, + {"ucs-2", "UCS2", CS_JIS_X_1990}, + {"utf-8", "UTF8" , CS_JIS_X_1990} +}; +static struct prt_ps_charset_S j_charsets[] = +{ + {"JIS_C_1978", "78", CS_JIS_C_1978}, + {"JIS_X_1983", NULL, CS_JIS_X_1983}, + {"JIS_X_1990", "Hojo", CS_JIS_X_1990}, + {"NEC", "Ext", CS_NEC}, + {"MSWINDOWS", "90ms", CS_MSWINDOWS}, + {"CP932", "90ms", CS_JIS_X_1983}, + {"KANJITALK6", "83pv", CS_KANJITALK6}, + {"KANJITALK7", "90pv", CS_KANJITALK7} +}; + +#define CS_GB_2312_80 (0x01) +#define CS_GBT_12345_90 (0x02) +#define CS_GBK2K (0x04) +#define CS_SC_MAC (0x08) +#define CS_GBT_90_MAC (0x10) +#define CS_GBK (0x20) +#define CS_SC_ISO10646 (0x40) + +// Simplified Chinese encodings and charsets +static struct prt_ps_encoding_S sc_encodings[] = +{ + {"iso-2022", NULL, (CS_GB_2312_80|CS_GBT_12345_90)}, + {"gb18030", NULL, CS_GBK2K}, + {"euc-cn", "EUC", (CS_GB_2312_80|CS_GBT_12345_90|CS_SC_MAC| + CS_GBT_90_MAC)}, + {"gbk", "EUC", CS_GBK}, + {"ucs-2", "UCS2", CS_SC_ISO10646}, + {"utf-8", "UTF8", CS_SC_ISO10646} +}; +static struct prt_ps_charset_S sc_charsets[] = +{ + {"GB_2312-80", "GB", CS_GB_2312_80}, + {"GBT_12345-90","GBT", CS_GBT_12345_90}, + {"MAC", "GBpc", CS_SC_MAC}, + {"GBT-90_MAC", "GBTpc", CS_GBT_90_MAC}, + {"GBK", "GBK", CS_GBK}, + {"GB18030", "GBK2K", CS_GBK2K}, + {"ISO10646", "UniGB", CS_SC_ISO10646} +}; + +#define CS_CNS_PLANE_1 (0x01) +#define CS_CNS_PLANE_2 (0x02) +#define CS_CNS_PLANE_1_2 (0x04) +#define CS_B5 (0x08) +#define CS_ETEN (0x10) +#define CS_HK_GCCS (0x20) +#define CS_HK_SCS (0x40) +#define CS_HK_SCS_ETEN (0x80) +#define CS_MTHKL (0x100) +#define CS_MTHKS (0x200) +#define CS_DLHKL (0x400) +#define CS_DLHKS (0x800) +#define CS_TC_ISO10646 (0x1000) + +// Traditional Chinese encodings and charsets +static struct prt_ps_encoding_S tc_encodings[] = +{ + {"iso-2022", NULL, (CS_CNS_PLANE_1|CS_CNS_PLANE_2)}, + {"euc-tw", "EUC", CS_CNS_PLANE_1_2}, + {"big5", "B5", (CS_B5|CS_ETEN|CS_HK_GCCS|CS_HK_SCS| + CS_HK_SCS_ETEN|CS_MTHKL|CS_MTHKS|CS_DLHKL| + CS_DLHKS)}, + {"cp950", "B5", CS_B5}, + {"ucs-2", "UCS2", CS_TC_ISO10646}, + {"utf-8", "UTF8", CS_TC_ISO10646}, + {"utf-16", "UTF16", CS_TC_ISO10646}, + {"utf-32", "UTF32", CS_TC_ISO10646} +}; +static struct prt_ps_charset_S tc_charsets[] = +{ + {"CNS_1992_1", "CNS1", CS_CNS_PLANE_1}, + {"CNS_1992_2", "CNS2", CS_CNS_PLANE_2}, + {"CNS_1993", "CNS", CS_CNS_PLANE_1_2}, + {"BIG5", NULL, CS_B5}, + {"CP950", NULL, CS_B5}, + {"ETEN", "ETen", CS_ETEN}, + {"HK_GCCS", "HKgccs", CS_HK_GCCS}, + {"SCS", "HKscs", CS_HK_SCS}, + {"SCS_ETEN", "ETHK", CS_HK_SCS_ETEN}, + {"MTHKL", "HKm471", CS_MTHKL}, + {"MTHKS", "HKm314", CS_MTHKS}, + {"DLHKL", "HKdla", CS_DLHKL}, + {"DLHKS", "HKdlb", CS_DLHKS}, + {"ISO10646", "UniCNS", CS_TC_ISO10646} +}; + +#define CS_KR_X_1992 (0x01) +#define CS_KR_MAC (0x02) +#define CS_KR_X_1992_MS (0x04) +#define CS_KR_ISO10646 (0x08) + +// Korean encodings and charsets +static struct prt_ps_encoding_S k_encodings[] = +{ + {"iso-2022-kr", NULL, CS_KR_X_1992}, + {"euc-kr", "EUC", (CS_KR_X_1992|CS_KR_MAC)}, + {"johab", "Johab", CS_KR_X_1992}, + {"cp1361", "Johab", CS_KR_X_1992}, + {"uhc", "UHC", CS_KR_X_1992_MS}, + {"cp949", "UHC", CS_KR_X_1992_MS}, + {"ucs-2", "UCS2", CS_KR_ISO10646}, + {"utf-8", "UTF8", CS_KR_ISO10646} +}; +static struct prt_ps_charset_S k_charsets[] = +{ + {"KS_X_1992", "KSC", CS_KR_X_1992}, + {"CP1361", "KSC", CS_KR_X_1992}, + {"MAC", "KSCpc", CS_KR_MAC}, + {"MSWINDOWS", "KSCms", CS_KR_X_1992_MS}, + {"CP949", "KSCms", CS_KR_X_1992_MS}, + {"WANSUNG", "KSCms", CS_KR_X_1992_MS}, + {"ISO10646", "UniKS", CS_KR_ISO10646} +}; + +// Collections of encodings and charsets for multi-byte printing +struct prt_ps_mbfont_S +{ + int num_encodings; + struct prt_ps_encoding_S *encodings; + int num_charsets; + struct prt_ps_charset_S *charsets; + char *ascii_enc; + char *defcs; +}; + +static struct prt_ps_mbfont_S prt_ps_mbfonts[] = +{ + { + ARRAY_LENGTH(j_encodings), + j_encodings, + ARRAY_LENGTH(j_charsets), + j_charsets, + "jis_roman", + "JIS_X_1983" + }, + { + ARRAY_LENGTH(sc_encodings), + sc_encodings, + ARRAY_LENGTH(sc_charsets), + sc_charsets, + "gb_roman", + "GB_2312-80" + }, + { + ARRAY_LENGTH(tc_encodings), + tc_encodings, + ARRAY_LENGTH(tc_charsets), + tc_charsets, + "cns_roman", + "BIG5" + }, + { + ARRAY_LENGTH(k_encodings), + k_encodings, + ARRAY_LENGTH(k_charsets), + k_charsets, + "ks_roman", + "KS_X_1992" + } +}; + +struct prt_ps_resource_S +{ + char_u name[64]; + char_u filename[MAXPATHL + 1]; + int type; + char_u title[256]; + char_u version[256]; +}; + +// Types of PS resource file currently used +#define PRT_RESOURCE_TYPE_PROCSET (0) +#define PRT_RESOURCE_TYPE_ENCODING (1) +#define PRT_RESOURCE_TYPE_CMAP (2) + +// The PS prolog file version number has to match - if the prolog file is +// updated, increment the number in the file and here. Version checking was +// added as of VIM 6.2. +// The CID prolog file version number behaves as per PS prolog. +// Table of VIM and prolog versions: +// +// VIM Prolog CIDProlog +// 6.2 1.3 +// 7.0 1.4 1.0 +#define PRT_PROLOG_VERSION ((char_u *)"1.4") +#define PRT_CID_PROLOG_VERSION ((char_u *)"1.0") + +// String versions of PS resource types - indexed by constants above so don't +// re-order! +static char *prt_resource_types[] = +{ + "procset", + "encoding", + "cmap" +}; + +// Strings to look for in a PS resource file +#define PRT_RESOURCE_HEADER "%!PS-Adobe-" +#define PRT_RESOURCE_RESOURCE "Resource-" +#define PRT_RESOURCE_PROCSET "ProcSet" +#define PRT_RESOURCE_ENCODING "Encoding" +#define PRT_RESOURCE_CMAP "CMap" + + +// Data for table based DSC comment recognition, easy to extend if VIM needs to +// read more comments. +#define PRT_DSC_MISC_TYPE (-1) +#define PRT_DSC_TITLE_TYPE (1) +#define PRT_DSC_VERSION_TYPE (2) +#define PRT_DSC_ENDCOMMENTS_TYPE (3) + +#define PRT_DSC_TITLE "%%Title:" +#define PRT_DSC_VERSION "%%Version:" +#define PRT_DSC_ENDCOMMENTS "%%EndComments:" + +struct prt_dsc_comment_S +{ + char *string; + int len; + int type; +}; + +struct prt_dsc_line_S +{ + int type; + char_u *string; + int len; +}; + + +#define SIZEOF_CSTR(s) (sizeof(s) - 1) +static struct prt_dsc_comment_S prt_dsc_table[] = +{ + {PRT_DSC_TITLE, SIZEOF_CSTR(PRT_DSC_TITLE), PRT_DSC_TITLE_TYPE}, + {PRT_DSC_VERSION, SIZEOF_CSTR(PRT_DSC_VERSION), + PRT_DSC_VERSION_TYPE}, + {PRT_DSC_ENDCOMMENTS, SIZEOF_CSTR(PRT_DSC_ENDCOMMENTS), + PRT_DSC_ENDCOMMENTS_TYPE} +}; + +static void prt_write_file_len(char_u *buffer, int bytes); +static int prt_next_dsc(struct prt_dsc_line_S *p_dsc_line); + +/* + * Variables for the output PostScript file. + */ +static FILE *prt_ps_fd; +static int prt_file_error; +static char_u *prt_ps_file_name = NULL; + +/* + * Various offsets and dimensions in default PostScript user space (points). + * Used for text positioning calculations + */ +static float prt_page_width; +static float prt_page_height; +static float prt_left_margin; +static float prt_right_margin; +static float prt_top_margin; +static float prt_bottom_margin; +static float prt_line_height; +static float prt_first_line_height; +static float prt_char_width; +static float prt_number_width; +static float prt_bgcol_offset; +static float prt_pos_x_moveto = 0.0; +static float prt_pos_y_moveto = 0.0; + +/* + * Various control variables used to decide when and how to change the + * PostScript graphics state. + */ +static int prt_need_moveto; +static int prt_do_moveto; +static int prt_need_font; +static int prt_font; +static int prt_need_underline; +static int prt_underline; +static int prt_do_underline; +static int prt_need_fgcol; +static int prt_fgcol; +static int prt_need_bgcol; +static int prt_do_bgcol; +static int prt_bgcol; +static int prt_new_bgcol; +static int prt_attribute_change; +static float prt_text_run; +static int prt_page_num; +static int prt_bufsiz; + +/* + * Variables controlling physical printing. + */ +static int prt_media; +static int prt_portrait; +static int prt_num_copies; +static int prt_duplex; +static int prt_tumble; +static int prt_collate; + +/* + * Buffers used when generating PostScript output + */ +static char_u prt_line_buffer[257]; +static garray_T prt_ps_buffer; + +static int prt_do_conv; +static vimconv_T prt_conv; + +static int prt_out_mbyte; +static int prt_custom_cmap; +static char prt_cmap[80]; +static int prt_use_courier; +static int prt_in_ascii; +static int prt_half_width; +static char *prt_ascii_encoding; +static char_u prt_hexchar[] = "0123456789abcdef"; + + static void +prt_write_file_raw_len(char_u *buffer, int bytes) +{ + if (!prt_file_error + && fwrite(buffer, sizeof(char_u), bytes, prt_ps_fd) + != (size_t)bytes) + { + emsg(_(e_error_writing_to_postscript_output_file)); + prt_file_error = TRUE; + } +} + + static void +prt_write_file(char_u *buffer) +{ + prt_write_file_len(buffer, (int)STRLEN(buffer)); +} + + static void +prt_write_file_len(char_u *buffer, int bytes) +{ + prt_write_file_raw_len(buffer, bytes); +} + +/* + * Write a string. + */ + static void +prt_write_string(char *s) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), "%s", s); + prt_write_file(prt_line_buffer); +} + +/* + * Write an int and a space. + */ + static void +prt_write_int(int i) +{ + sprintf((char *)prt_line_buffer, "%d ", i); + prt_write_file(prt_line_buffer); +} + +/* + * Write a boolean and a space. + */ + static void +prt_write_boolean(int b) +{ + sprintf((char *)prt_line_buffer, "%s ", (b ? "T" : "F")); + prt_write_file(prt_line_buffer); +} + +/* + * Write PostScript to re-encode and define the font. + */ + static void +prt_def_font( + char *new_name, + char *encoding, + int height, + char *font) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "/_%s /VIM-%s /%s ref\n", new_name, encoding, font); + prt_write_file(prt_line_buffer); + if (prt_out_mbyte) + sprintf((char *)prt_line_buffer, "/%s %d %f /_%s sffs\n", + new_name, height, 500./prt_ps_courier_font.wx, new_name); + else + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "/%s %d /_%s ffs\n", new_name, height, new_name); + prt_write_file(prt_line_buffer); +} + +/* + * Write a line to define the CID font. + */ + static void +prt_def_cidfont(char *new_name, int height, char *cidfont) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "/_%s /%s[/%s] vim_composefont\n", new_name, prt_cmap, cidfont); + prt_write_file(prt_line_buffer); + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "/%s %d /_%s ffs\n", new_name, height, new_name); + prt_write_file(prt_line_buffer); +} + +/* + * Write a line to define a duplicate of a CID font + */ + static void +prt_dup_cidfont(char *original_name, char *new_name) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "/%s %s d\n", new_name, original_name); + prt_write_file(prt_line_buffer); +} + +/* + * Convert a real value into an integer and fractional part as integers, with + * the fractional part being in the range [0,10^precision). The fractional part + * is also rounded based on the precision + 1'th fractional digit. + */ + static void +prt_real_bits( + double real, + int precision, + int *pinteger, + int *pfraction) +{ + int i; + int integer; + float fraction; + + integer = (int)real; + fraction = (float)(real - integer); + if (real < (double)integer) + fraction = -fraction; + for (i = 0; i < precision; i++) + fraction *= 10.0; + + *pinteger = integer; + *pfraction = (int)(fraction + 0.5); +} + +/* + * Write a real and a space. Save bytes if real value has no fractional part! + * We use prt_real_bits() as %f in sprintf uses the locale setting to decide + * what decimal point character to use, but PS always requires a '.'. + */ + static void +prt_write_real(double val, int prec) +{ + int integer; + int fraction; + + prt_real_bits(val, prec, &integer, &fraction); + // Emit integer part + sprintf((char *)prt_line_buffer, "%d", integer); + prt_write_file(prt_line_buffer); + // Only emit fraction if necessary + if (fraction != 0) + { + // Remove any trailing zeros + while ((fraction % 10) == 0) + { + prec--; + fraction /= 10; + } + // Emit fraction left padded with zeros + sprintf((char *)prt_line_buffer, ".%0*d", prec, fraction); + prt_write_file(prt_line_buffer); + } + sprintf((char *)prt_line_buffer, " "); + prt_write_file(prt_line_buffer); +} + +/* + * Write a line to define a numeric variable. + */ + static void +prt_def_var(char *name, double value, int prec) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "/%s ", name); + prt_write_file(prt_line_buffer); + prt_write_real(value, prec); + sprintf((char *)prt_line_buffer, "d\n"); + prt_write_file(prt_line_buffer); +} + +// Convert size from font space to user space at current font scale +#define PRT_PS_FONT_TO_USER(scale, size) ((size) * ((scale)/1000.0)) + + static void +prt_flush_buffer(void) +{ + if (prt_ps_buffer.ga_len <= 0) + return; + + // Any background color must be drawn first + if (prt_do_bgcol && (prt_new_bgcol != PRCOLOR_WHITE)) + { + int r, g, b; + + if (prt_do_moveto) + { + prt_write_real(prt_pos_x_moveto, 2); + prt_write_real(prt_pos_y_moveto, 2); + prt_write_string("m\n"); + prt_do_moveto = FALSE; + } + + // Size of rect of background color on which text is printed + prt_write_real(prt_text_run, 2); + prt_write_real(prt_line_height, 2); + + // Lastly add the color of the background + r = ((unsigned)prt_new_bgcol & 0xff0000) >> 16; + g = ((unsigned)prt_new_bgcol & 0xff00) >> 8; + b = prt_new_bgcol & 0xff; + prt_write_real(r / 255.0, 3); + prt_write_real(g / 255.0, 3); + prt_write_real(b / 255.0, 3); + prt_write_string("bg\n"); + } + // Draw underlines before the text as it makes it slightly easier to + // find the starting point. + if (prt_do_underline) + { + if (prt_do_moveto) + { + prt_write_real(prt_pos_x_moveto, 2); + prt_write_real(prt_pos_y_moveto, 2); + prt_write_string("m\n"); + prt_do_moveto = FALSE; + } + + // Underline length of text run + prt_write_real(prt_text_run, 2); + prt_write_string("ul\n"); + } + // Draw the text + if (prt_out_mbyte) + prt_write_string("<"); + else + prt_write_string("("); + prt_write_file_raw_len(prt_ps_buffer.ga_data, prt_ps_buffer.ga_len); + if (prt_out_mbyte) + prt_write_string(">"); + else + prt_write_string(")"); + // Add a moveto if need be and use the appropriate show procedure + if (prt_do_moveto) + { + prt_write_real(prt_pos_x_moveto, 2); + prt_write_real(prt_pos_y_moveto, 2); + // moveto and a show + prt_write_string("ms\n"); + prt_do_moveto = FALSE; + } + else // Simple show + prt_write_string("s\n"); + + ga_clear(&prt_ps_buffer); + ga_init2(&prt_ps_buffer, sizeof(char), prt_bufsiz); +} + + + static void +prt_resource_name(char_u *filename, void *cookie) +{ + char_u *resource_filename = cookie; + + if (STRLEN(filename) >= MAXPATHL) + *resource_filename = NUL; + else + STRCPY(resource_filename, filename); +} + + static int +prt_find_resource(char *name, struct prt_ps_resource_S *resource) +{ + char_u *buffer; + int retval; + + buffer = alloc(MAXPATHL + 1); + if (buffer == NULL) + return FALSE; + + vim_strncpy(resource->name, (char_u *)name, 63); + // Look for named resource file in runtimepath + STRCPY(buffer, "print"); + add_pathsep(buffer); + vim_strcat(buffer, (char_u *)name, MAXPATHL); + vim_strcat(buffer, (char_u *)".ps", MAXPATHL); + resource->filename[0] = NUL; + retval = (do_in_runtimepath(buffer, 0, prt_resource_name, + resource->filename) + && resource->filename[0] != NUL); + vim_free(buffer); + return retval; +} + +// PS CR and LF characters have platform independent values +#define PSLF (0x0a) +#define PSCR (0x0d) + +// Static buffer to read initial comments in a resource file, some can have a +// couple of KB of comments! +#define PRT_FILE_BUFFER_LEN (2048) +struct prt_resfile_buffer_S +{ + char_u buffer[PRT_FILE_BUFFER_LEN]; + int len; + int line_start; + int line_end; +}; + +static struct prt_resfile_buffer_S prt_resfile; + + static int +prt_resfile_next_line(void) +{ + int idx; + + // Move to start of next line and then find end of line + idx = prt_resfile.line_end + 1; + while (idx < prt_resfile.len) + { + if (prt_resfile.buffer[idx] != PSLF && prt_resfile.buffer[idx] != PSCR) + break; + idx++; + } + prt_resfile.line_start = idx; + + while (idx < prt_resfile.len) + { + if (prt_resfile.buffer[idx] == PSLF || prt_resfile.buffer[idx] == PSCR) + break; + idx++; + } + prt_resfile.line_end = idx; + + return (idx < prt_resfile.len); +} + + static int +prt_resfile_strncmp(int offset, char *string, int len) +{ + // Force not equal if string is longer than remainder of line + if (len > (prt_resfile.line_end - (prt_resfile.line_start + offset))) + return 1; + + return STRNCMP(&prt_resfile.buffer[prt_resfile.line_start + offset], + string, len); +} + + static int +prt_resfile_skip_nonws(int offset) +{ + int idx; + + idx = prt_resfile.line_start + offset; + while (idx < prt_resfile.line_end) + { + if (isspace(prt_resfile.buffer[idx])) + return idx - prt_resfile.line_start; + idx++; + } + return -1; +} + + static int +prt_resfile_skip_ws(int offset) +{ + int idx; + + idx = prt_resfile.line_start + offset; + while (idx < prt_resfile.line_end) + { + if (!isspace(prt_resfile.buffer[idx])) + return idx - prt_resfile.line_start; + idx++; + } + return -1; +} + +// prt_next_dsc() - returns detail on next DSC comment line found. Returns true +// if a DSC comment is found, else false + static int +prt_next_dsc(struct prt_dsc_line_S *p_dsc_line) +{ + int comment; + int offset; + + // Move to start of next line + if (!prt_resfile_next_line()) + return FALSE; + + // DSC comments always start %% + if (prt_resfile_strncmp(0, "%%", 2) != 0) + return FALSE; + + // Find type of DSC comment + for (comment = 0; comment < (int)ARRAY_LENGTH(prt_dsc_table); comment++) + if (prt_resfile_strncmp(0, prt_dsc_table[comment].string, + prt_dsc_table[comment].len) == 0) + break; + + if (comment != ARRAY_LENGTH(prt_dsc_table)) + { + // Return type of comment + p_dsc_line->type = prt_dsc_table[comment].type; + offset = prt_dsc_table[comment].len; + } + else + { + // Unrecognised DSC comment, skip to ws after comment leader + p_dsc_line->type = PRT_DSC_MISC_TYPE; + offset = prt_resfile_skip_nonws(0); + if (offset == -1) + return FALSE; + } + + // Skip ws to comment value + offset = prt_resfile_skip_ws(offset); + if (offset == -1) + return FALSE; + + p_dsc_line->string = &prt_resfile.buffer[prt_resfile.line_start + offset]; + p_dsc_line->len = prt_resfile.line_end - (prt_resfile.line_start + offset); + + return TRUE; +} + +/* + * Improved hand crafted parser to get the type, title, and version number of a + * PS resource file so the file details can be added to the DSC header comments. + */ + static int +prt_open_resource(struct prt_ps_resource_S *resource) +{ + int offset; + int seen_all; + int seen_title; + int seen_version; + FILE *fd_resource; + struct prt_dsc_line_S dsc_line; + + fd_resource = mch_fopen((char *)resource->filename, READBIN); + if (fd_resource == NULL) + { + semsg(_(e_cant_open_file_str_3), resource->filename); + return FALSE; + } + CLEAR_FIELD(prt_resfile.buffer); + + // Parse first line to ensure valid resource file + prt_resfile.len = (int)fread((char *)prt_resfile.buffer, sizeof(char_u), + PRT_FILE_BUFFER_LEN, fd_resource); + if (ferror(fd_resource)) + { + semsg(_(e_cant_read_postscript_resource_file_str), + resource->filename); + fclose(fd_resource); + return FALSE; + } + fclose(fd_resource); + + prt_resfile.line_end = -1; + prt_resfile.line_start = 0; + if (!prt_resfile_next_line()) + return FALSE; + + offset = 0; + + if (prt_resfile_strncmp(offset, PRT_RESOURCE_HEADER, + (int)STRLEN(PRT_RESOURCE_HEADER)) != 0) + { + semsg(_(e_file_str_is_not_postscript_resource_file), + resource->filename); + return FALSE; + } + + // Skip over any version numbers and following ws + offset += (int)STRLEN(PRT_RESOURCE_HEADER); + offset = prt_resfile_skip_nonws(offset); + if (offset == -1) + return FALSE; + offset = prt_resfile_skip_ws(offset); + if (offset == -1) + return FALSE; + + if (prt_resfile_strncmp(offset, PRT_RESOURCE_RESOURCE, + (int)STRLEN(PRT_RESOURCE_RESOURCE)) != 0) + { + semsg(_(e_file_str_is_not_supported_postscript_resource_file), + resource->filename); + return FALSE; + } + offset += (int)STRLEN(PRT_RESOURCE_RESOURCE); + + // Decide type of resource in the file + if (prt_resfile_strncmp(offset, PRT_RESOURCE_PROCSET, + (int)STRLEN(PRT_RESOURCE_PROCSET)) == 0) + resource->type = PRT_RESOURCE_TYPE_PROCSET; + else if (prt_resfile_strncmp(offset, PRT_RESOURCE_ENCODING, + (int)STRLEN(PRT_RESOURCE_ENCODING)) == 0) + resource->type = PRT_RESOURCE_TYPE_ENCODING; + else if (prt_resfile_strncmp(offset, PRT_RESOURCE_CMAP, + (int)STRLEN(PRT_RESOURCE_CMAP)) == 0) + resource->type = PRT_RESOURCE_TYPE_CMAP; + else + { + semsg(_(e_file_str_is_not_supported_postscript_resource_file), + resource->filename); + return FALSE; + } + + // Look for title and version of resource + resource->title[0] = '\0'; + resource->version[0] = '\0'; + seen_title = FALSE; + seen_version = FALSE; + seen_all = FALSE; + while (!seen_all && prt_next_dsc(&dsc_line)) + { + switch (dsc_line.type) + { + case PRT_DSC_TITLE_TYPE: + vim_strncpy(resource->title, dsc_line.string, dsc_line.len); + seen_title = TRUE; + if (seen_version) + seen_all = TRUE; + break; + + case PRT_DSC_VERSION_TYPE: + vim_strncpy(resource->version, dsc_line.string, dsc_line.len); + seen_version = TRUE; + if (seen_title) + seen_all = TRUE; + break; + + case PRT_DSC_ENDCOMMENTS_TYPE: + // Won't find title or resource after this comment, stop searching + seen_all = TRUE; + break; + + case PRT_DSC_MISC_TYPE: + // Not interested in whatever comment this line had + break; + } + } + + if (!seen_title || !seen_version) + { + semsg(_(e_file_str_is_not_supported_postscript_resource_file), + resource->filename); + return FALSE; + } + + return TRUE; +} + + static int +prt_check_resource(struct prt_ps_resource_S *resource, char_u *version) +{ + // Version number m.n should match, the revision number does not matter + if (STRNCMP(resource->version, version, STRLEN(version))) + { + semsg(_(e_str_resource_file_has_wrong_version), + resource->name); + return FALSE; + } + + // Other checks to be added as needed + return TRUE; +} + + static void +prt_dsc_start(void) +{ + prt_write_string("%!PS-Adobe-3.0\n"); +} + + static void +prt_dsc_noarg(char *comment) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "%%%%%s\n", comment); + prt_write_file(prt_line_buffer); +} + + static void +prt_dsc_textline(char *comment, char *text) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "%%%%%s: %s\n", comment, text); + prt_write_file(prt_line_buffer); +} + + static void +prt_dsc_text(char *comment, char *text) +{ + // TODO - should scan 'text' for any chars needing escaping! + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "%%%%%s: (%s)\n", comment, text); + prt_write_file(prt_line_buffer); +} + +#define prt_dsc_atend(c) prt_dsc_text((c), "atend") + + static void +prt_dsc_ints(char *comment, int count, int *ints) +{ + int i; + + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "%%%%%s:", comment); + prt_write_file(prt_line_buffer); + + for (i = 0; i < count; i++) + { + sprintf((char *)prt_line_buffer, " %d", ints[i]); + prt_write_file(prt_line_buffer); + } + + prt_write_string("\n"); +} + + static void +prt_dsc_resources( + char *comment, // if NULL add to previous + char *type, + char *string) +{ + if (comment != NULL) + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "%%%%%s: %s", comment, type); + else + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "%%%%+ %s", type); + prt_write_file(prt_line_buffer); + + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + " %s\n", string); + prt_write_file(prt_line_buffer); +} + + static void +prt_dsc_font_resource(char *resource, struct prt_ps_font_S *ps_font) +{ + int i; + + prt_dsc_resources(resource, "font", + ps_font->ps_fontname[PRT_PS_FONT_ROMAN]); + for (i = PRT_PS_FONT_BOLD ; i <= PRT_PS_FONT_BOLDOBLIQUE ; i++) + if (ps_font->ps_fontname[i] != NULL) + prt_dsc_resources(NULL, "font", ps_font->ps_fontname[i]); +} + + static void +prt_dsc_requirements( + int duplex, + int tumble, + int collate, + int color, + int num_copies) +{ + // Only output the comment if we need to. + // Note: tumble is ignored if we are not duplexing + if (!(duplex || collate || color || (num_copies > 1))) + return; + + sprintf((char *)prt_line_buffer, "%%%%Requirements:"); + prt_write_file(prt_line_buffer); + + if (duplex) + { + prt_write_string(" duplex"); + if (tumble) + prt_write_string("(tumble)"); + } + if (collate) + prt_write_string(" collate"); + if (color) + prt_write_string(" color"); + if (num_copies > 1) + { + prt_write_string(" numcopies("); + // Note: no space wanted so don't use prt_write_int() + sprintf((char *)prt_line_buffer, "%d", num_copies); + prt_write_file(prt_line_buffer); + prt_write_string(")"); + } + prt_write_string("\n"); +} + + static void +prt_dsc_docmedia( + char *paper_name, + double width, + double height, + double weight, + char *colour, + char *type) +{ + vim_snprintf((char *)prt_line_buffer, sizeof(prt_line_buffer), + "%%%%DocumentMedia: %s ", paper_name); + prt_write_file(prt_line_buffer); + prt_write_real(width, 2); + prt_write_real(height, 2); + prt_write_real(weight, 2); + if (colour == NULL) + prt_write_string("()"); + else + prt_write_string(colour); + prt_write_string(" "); + if (type == NULL) + prt_write_string("()"); + else + prt_write_string(type); + prt_write_string("\n"); +} + + void +mch_print_cleanup(void) +{ + if (prt_out_mbyte) + { + int i; + + // Free off all CID font names created, but first clear duplicate + // pointers to the same string (when the same font is used for more than + // one style). + for (i = PRT_PS_FONT_ROMAN; i <= PRT_PS_FONT_BOLDOBLIQUE; i++) + { + if (prt_ps_mb_font.ps_fontname[i] != NULL) + VIM_CLEAR(prt_ps_mb_font.ps_fontname[i]); + } + } + + if (prt_do_conv) + { + convert_setup(&prt_conv, NULL, NULL); + prt_do_conv = FALSE; + } + if (prt_ps_fd != NULL) + { + fclose(prt_ps_fd); + prt_ps_fd = NULL; + prt_file_error = FALSE; + } + if (prt_ps_file_name != NULL) + VIM_CLEAR(prt_ps_file_name); +} + + static float +to_device_units(int idx, double physsize, int def_number) +{ + float ret; + int u; + int nr; + + u = prt_get_unit(idx); + if (u == PRT_UNIT_NONE) + { + u = PRT_UNIT_PERC; + nr = def_number; + } + else + nr = printer_opts[idx].number; + + switch (u) + { + case PRT_UNIT_INCH: + ret = (float)(nr * PRT_PS_DEFAULT_DPI); + break; + case PRT_UNIT_MM: + ret = (float)(nr * PRT_PS_DEFAULT_DPI) / (float)25.4; + break; + case PRT_UNIT_POINT: + ret = (float)nr; + break; + case PRT_UNIT_PERC: + default: + ret = (float)(physsize * nr) / 100; + break; + } + + return ret; +} + +/* + * Calculate margins for given width and height from printoptions settings. + */ + static void +prt_page_margins( + double width, + double height, + double *left, + double *right, + double *top, + double *bottom) +{ + *left = to_device_units(OPT_PRINT_LEFT, width, 10); + *right = width - to_device_units(OPT_PRINT_RIGHT, width, 5); + *top = height - to_device_units(OPT_PRINT_TOP, height, 5); + *bottom = to_device_units(OPT_PRINT_BOT, height, 5); +} + + static void +prt_font_metrics(int font_scale) +{ + prt_line_height = (float)font_scale; + prt_char_width = (float)PRT_PS_FONT_TO_USER(font_scale, prt_ps_font->wx); +} + + + static int +prt_get_cpl(void) +{ + if (prt_use_number()) + { + prt_number_width = PRINT_NUMBER_WIDTH * prt_char_width; + // If we are outputting multi-byte characters then line numbers will be + // printed with half width characters + if (prt_out_mbyte) + prt_number_width /= 2; + prt_left_margin += prt_number_width; + } + else + prt_number_width = 0.0; + + return (int)((prt_right_margin - prt_left_margin) / prt_char_width); +} + + static int +prt_build_cid_fontname(int font, char_u *name, int name_len) +{ + char *fontname; + + fontname = alloc(name_len + 1); + if (fontname == NULL) + return FALSE; + vim_strncpy((char_u *)fontname, name, name_len); + prt_ps_mb_font.ps_fontname[font] = fontname; + + return TRUE; +} + +/* + * Get number of lines of text that fit on a page (excluding the header). + */ + static int +prt_get_lpp(void) +{ + int lpp; + + /* + * Calculate offset to lower left corner of background rect based on actual + * font height (based on its bounding box) and the line height, handling the + * case where the font height can exceed the line height. + */ + prt_bgcol_offset = (float)PRT_PS_FONT_TO_USER(prt_line_height, + prt_ps_font->bbox_min_y); + if ((prt_ps_font->bbox_max_y - prt_ps_font->bbox_min_y) < 1000.0) + { + prt_bgcol_offset -= (float)PRT_PS_FONT_TO_USER(prt_line_height, + (1000.0 - (prt_ps_font->bbox_max_y - + prt_ps_font->bbox_min_y)) / 2); + } + + // Get height for topmost line based on background rect offset. + prt_first_line_height = prt_line_height + prt_bgcol_offset; + + // Calculate lpp + lpp = (int)((prt_top_margin - prt_bottom_margin) / prt_line_height); + + // Adjust top margin if there is a header + prt_top_margin -= prt_line_height * prt_header_height(); + + return lpp - prt_header_height(); +} + + static int +prt_match_encoding( + char *p_encoding, + struct prt_ps_mbfont_S *p_cmap, + struct prt_ps_encoding_S **pp_mbenc) +{ + int mbenc; + int enc_len; + struct prt_ps_encoding_S *p_mbenc; + + *pp_mbenc = NULL; + // Look for recognised encoding + enc_len = (int)STRLEN(p_encoding); + p_mbenc = p_cmap->encodings; + for (mbenc = 0; mbenc < p_cmap->num_encodings; mbenc++) + { + if (STRNICMP(p_mbenc->encoding, p_encoding, enc_len) == 0) + { + *pp_mbenc = p_mbenc; + return TRUE; + } + p_mbenc++; + } + return FALSE; +} + + static int +prt_match_charset( + char *p_charset, + struct prt_ps_mbfont_S *p_cmap, + struct prt_ps_charset_S **pp_mbchar) +{ + int mbchar; + int char_len; + struct prt_ps_charset_S *p_mbchar; + + // Look for recognised character set, using default if one is not given + if (*p_charset == NUL) + p_charset = p_cmap->defcs; + char_len = (int)STRLEN(p_charset); + p_mbchar = p_cmap->charsets; + for (mbchar = 0; mbchar < p_cmap->num_charsets; mbchar++) + { + if (STRNICMP(p_mbchar->charset, p_charset, char_len) == 0) + { + *pp_mbchar = p_mbchar; + return TRUE; + } + p_mbchar++; + } + return FALSE; +} + + int +mch_print_init( + prt_settings_T *psettings, + char_u *jobname, + int forceit UNUSED) +{ + int i; + char *paper_name; + int paper_strlen; + int fontsize; + char_u *p; + double left; + double right; + double top; + double bottom; + int props; + int cmap = 0; + char_u *p_encoding; + struct prt_ps_encoding_S *p_mbenc; + struct prt_ps_encoding_S *p_mbenc_first; + struct prt_ps_charset_S *p_mbchar = NULL; + +#if 0 + /* + * TODO: + * If "forceit" is false: pop up a dialog to select: + * - printer name + * - copies + * - collated/uncollated + * - duplex off/long side/short side + * - paper size + * - portrait/landscape + * - font size + * + * If "forceit" is true: use the default printer and settings + */ + if (forceit) + s_pd.Flags |= PD_RETURNDEFAULT; +#endif + + /* + * Set up font and encoding. + */ + p_encoding = enc_skip(p_penc); + if (*p_encoding == NUL) + p_encoding = enc_skip(p_enc); + + // Look for a multi-byte font that matches the encoding and character set. + // Only look if multi-byte character set is defined, or using multi-byte + // encoding other than Unicode. This is because a Unicode encoding does not + // uniquely identify a CJK character set to use. + p_mbenc = NULL; + props = enc_canon_props(p_encoding); + if (!(props & ENC_8BIT) && ((*p_pmcs != NUL) || !(props & ENC_UNICODE))) + { + int cmap_first = 0; + + p_mbenc_first = NULL; + for (cmap = 0; cmap < (int)ARRAY_LENGTH(prt_ps_mbfonts); cmap++) + if (prt_match_encoding((char *)p_encoding, &prt_ps_mbfonts[cmap], + &p_mbenc)) + { + if (p_mbenc_first == NULL) + { + p_mbenc_first = p_mbenc; + cmap_first = cmap; + } + if (prt_match_charset((char *)p_pmcs, &prt_ps_mbfonts[cmap], + &p_mbchar)) + break; + } + + // Use first encoding matched if no charset matched + if (p_mbchar == NULL && p_mbenc_first != NULL) + { + p_mbenc = p_mbenc_first; + cmap = cmap_first; + } + } + + prt_out_mbyte = (p_mbenc != NULL); + if (prt_out_mbyte) + { + // Build CMap name - will be same for all multi-byte fonts used + prt_cmap[0] = NUL; + + prt_custom_cmap = (p_mbchar == NULL); + if (!prt_custom_cmap) + { + // Check encoding and character set are compatible + if ((p_mbenc->needs_charset & p_mbchar->has_charset) == 0) + { + emsg(_(e_incompatible_multi_byte_encoding_and_character_set)); + return FALSE; + } + + // Add charset name if not empty + if (p_mbchar->cmap_charset != NULL) + { + vim_strncpy((char_u *)prt_cmap, + (char_u *)p_mbchar->cmap_charset, sizeof(prt_cmap) - 3); + STRCAT(prt_cmap, "-"); + } + } + else + { + // Add custom CMap character set name + if (*p_pmcs == NUL) + { + emsg(_(e_printmbcharset_cannot_be_empty_with_multi_byte_encoding)); + return FALSE; + } + vim_strncpy((char_u *)prt_cmap, p_pmcs, sizeof(prt_cmap) - 3); + STRCAT(prt_cmap, "-"); + } + + // CMap name ends with (optional) encoding name and -H for horizontal + if (p_mbenc->cmap_encoding != NULL && STRLEN(prt_cmap) + + STRLEN(p_mbenc->cmap_encoding) + 3 < sizeof(prt_cmap)) + { + STRCAT(prt_cmap, p_mbenc->cmap_encoding); + STRCAT(prt_cmap, "-"); + } + STRCAT(prt_cmap, "H"); + + if (!mbfont_opts[OPT_MBFONT_REGULAR].present) + { + emsg(_(e_no_default_font_specified_for_multi_byte_printing)); + return FALSE; + } + + // Derive CID font names with fallbacks if not defined + if (!prt_build_cid_fontname(PRT_PS_FONT_ROMAN, + mbfont_opts[OPT_MBFONT_REGULAR].string, + mbfont_opts[OPT_MBFONT_REGULAR].strlen)) + return FALSE; + if (mbfont_opts[OPT_MBFONT_BOLD].present) + if (!prt_build_cid_fontname(PRT_PS_FONT_BOLD, + mbfont_opts[OPT_MBFONT_BOLD].string, + mbfont_opts[OPT_MBFONT_BOLD].strlen)) + return FALSE; + if (mbfont_opts[OPT_MBFONT_OBLIQUE].present) + if (!prt_build_cid_fontname(PRT_PS_FONT_OBLIQUE, + mbfont_opts[OPT_MBFONT_OBLIQUE].string, + mbfont_opts[OPT_MBFONT_OBLIQUE].strlen)) + return FALSE; + if (mbfont_opts[OPT_MBFONT_BOLDOBLIQUE].present) + if (!prt_build_cid_fontname(PRT_PS_FONT_BOLDOBLIQUE, + mbfont_opts[OPT_MBFONT_BOLDOBLIQUE].string, + mbfont_opts[OPT_MBFONT_BOLDOBLIQUE].strlen)) + return FALSE; + + // Check if need to use Courier for ASCII code range, and if so pick up + // the encoding to use + prt_use_courier = mbfont_opts[OPT_MBFONT_USECOURIER].present && + (TOLOWER_ASC(mbfont_opts[OPT_MBFONT_USECOURIER].string[0]) == 'y'); + if (prt_use_courier) + { + // Use national ASCII variant unless ASCII wanted + if (mbfont_opts[OPT_MBFONT_ASCII].present && + (TOLOWER_ASC(mbfont_opts[OPT_MBFONT_ASCII].string[0]) == 'y')) + prt_ascii_encoding = "ascii"; + else + prt_ascii_encoding = prt_ps_mbfonts[cmap].ascii_enc; + } + + prt_ps_font = &prt_ps_mb_font; + } + else + { + prt_use_courier = FALSE; + prt_ps_font = &prt_ps_courier_font; + } + + /* + * Find the size of the paper and set the margins. + */ + prt_portrait = (!printer_opts[OPT_PRINT_PORTRAIT].present + || TOLOWER_ASC(printer_opts[OPT_PRINT_PORTRAIT].string[0]) == 'y'); + if (printer_opts[OPT_PRINT_PAPER].present) + { + paper_name = (char *)printer_opts[OPT_PRINT_PAPER].string; + paper_strlen = printer_opts[OPT_PRINT_PAPER].strlen; + } + else + { + paper_name = "A4"; + paper_strlen = 2; + } + for (i = 0; i < (int)PRT_MEDIASIZE_LEN; ++i) + if (STRLEN(prt_mediasize[i].name) == (unsigned)paper_strlen + && STRNICMP(prt_mediasize[i].name, paper_name, + paper_strlen) == 0) + break; + if (i == PRT_MEDIASIZE_LEN) + i = 0; + prt_media = i; + + /* + * Set PS pagesize based on media dimensions and print orientation. + * Note: Media and page sizes have defined meanings in PostScript and should + * be kept distinct. Media is the paper (or transparency, or ...) that is + * printed on, whereas the page size is the area that the PostScript + * interpreter renders into. + */ + if (prt_portrait) + { + prt_page_width = prt_mediasize[i].width; + prt_page_height = prt_mediasize[i].height; + } + else + { + prt_page_width = prt_mediasize[i].height; + prt_page_height = prt_mediasize[i].width; + } + + /* + * Set PS page margins based on the PS pagesize, not the mediasize - this + * needs to be done before the cpl and lpp are calculated. + */ + prt_page_margins(prt_page_width, prt_page_height, &left, &right, &top, + &bottom); + prt_left_margin = (float)left; + prt_right_margin = (float)right; + prt_top_margin = (float)top; + prt_bottom_margin = (float)bottom; + + /* + * Set up the font size. + */ + fontsize = PRT_PS_DEFAULT_FONTSIZE; + for (p = p_pfn; (p = vim_strchr(p, ':')) != NULL; ++p) + if (p[1] == 'h' && VIM_ISDIGIT(p[2])) + fontsize = atoi((char *)p + 2); + prt_font_metrics(fontsize); + + /* + * Return the number of characters per line, and lines per page for the + * generic print code. + */ + psettings->chars_per_line = prt_get_cpl(); + psettings->lines_per_page = prt_get_lpp(); + + // Catch margin settings that leave no space for output! + if (psettings->chars_per_line <= 0 || psettings->lines_per_page <= 0) + return FAIL; + + /* + * Sort out the number of copies to be printed. PS by default will do + * uncollated copies for you, so once we know how many uncollated copies are + * wanted cache it away and lie to the generic code that we only want one + * uncollated copy. + */ + psettings->n_collated_copies = 1; + psettings->n_uncollated_copies = 1; + prt_num_copies = 1; + prt_collate = (!printer_opts[OPT_PRINT_COLLATE].present + || TOLOWER_ASC(printer_opts[OPT_PRINT_COLLATE].string[0]) == 'y'); + if (prt_collate) + { + // TODO: Get number of collated copies wanted. + psettings->n_collated_copies = 1; + } + else + { + // TODO: Get number of uncollated copies wanted and update the cached + // count. + prt_num_copies = 1; + } + + psettings->jobname = jobname; + + /* + * Set up printer duplex and tumble based on Duplex option setting - default + * is long sided duplex printing (i.e. no tumble). + */ + prt_duplex = TRUE; + prt_tumble = FALSE; + psettings->duplex = 1; + if (printer_opts[OPT_PRINT_DUPLEX].present) + { + if (STRNICMP(printer_opts[OPT_PRINT_DUPLEX].string, "off", 3) == 0) + { + prt_duplex = FALSE; + psettings->duplex = 0; + } + else if (STRNICMP(printer_opts[OPT_PRINT_DUPLEX].string, "short", 5) + == 0) + prt_tumble = TRUE; + } + + // For now user abort not supported + psettings->user_abort = 0; + + // If the user didn't specify a file name, use a temp file. + if (psettings->outfile == NULL) + { + prt_ps_file_name = vim_tempname('p', TRUE); + if (prt_ps_file_name == NULL) + { + emsg(_(e_cant_get_temp_file_name)); + return FAIL; + } + prt_ps_fd = mch_fopen((char *)prt_ps_file_name, WRITEBIN); + } + else + { + p = expand_env_save(psettings->outfile); + if (p != NULL) + { + prt_ps_fd = mch_fopen((char *)p, WRITEBIN); + vim_free(p); + } + } + if (prt_ps_fd == NULL) + { + emsg(_(e_cant_open_postscript_output_file)); + mch_print_cleanup(); + return FAIL; + } + + prt_bufsiz = psettings->chars_per_line; + if (prt_out_mbyte) + prt_bufsiz *= 2; + ga_init2(&prt_ps_buffer, sizeof(char), prt_bufsiz); + + prt_page_num = 0; + + prt_attribute_change = FALSE; + prt_need_moveto = FALSE; + prt_need_font = FALSE; + prt_need_fgcol = FALSE; + prt_need_bgcol = FALSE; + prt_need_underline = FALSE; + + prt_file_error = FALSE; + + return OK; +} + + static int +prt_add_resource(struct prt_ps_resource_S *resource) +{ + FILE* fd_resource; + char_u resource_buffer[512]; + size_t bytes_read; + + fd_resource = mch_fopen((char *)resource->filename, READBIN); + if (fd_resource == NULL) + { + semsg(_(e_cant_open_file_str_2), resource->filename); + return FALSE; + } + prt_dsc_resources("BeginResource", prt_resource_types[resource->type], + (char *)resource->title); + + prt_dsc_textline("BeginDocument", (char *)resource->filename); + + for (;;) + { + bytes_read = fread((char *)resource_buffer, sizeof(char_u), + sizeof(resource_buffer), fd_resource); + if (ferror(fd_resource)) + { + semsg(_(e_cant_read_postscript_resource_file_str), + resource->filename); + fclose(fd_resource); + return FALSE; + } + if (bytes_read == 0) + break; + prt_write_file_raw_len(resource_buffer, (int)bytes_read); + if (prt_file_error) + { + fclose(fd_resource); + return FALSE; + } + } + fclose(fd_resource); + + prt_dsc_noarg("EndDocument"); + + prt_dsc_noarg("EndResource"); + + return TRUE; +} + + int +mch_print_begin(prt_settings_T *psettings) +{ + int bbox[4]; + double left; + double right; + double top; + double bottom; + struct prt_ps_resource_S *res_prolog; + struct prt_ps_resource_S *res_encoding; + char buffer[256]; + char_u *p_encoding; + struct prt_ps_resource_S *res_cidfont; + struct prt_ps_resource_S *res_cmap; + int retval = FALSE; + + res_prolog = (struct prt_ps_resource_S *) + alloc(sizeof(struct prt_ps_resource_S)); + res_encoding = (struct prt_ps_resource_S *) + alloc(sizeof(struct prt_ps_resource_S)); + res_cidfont = (struct prt_ps_resource_S *) + alloc(sizeof(struct prt_ps_resource_S)); + res_cmap = (struct prt_ps_resource_S *) + alloc(sizeof(struct prt_ps_resource_S)); + if (res_prolog == NULL || res_encoding == NULL + || res_cidfont == NULL || res_cmap == NULL) + goto theend; + + /* + * PS DSC Header comments - no PS code! + */ + prt_dsc_start(); + prt_dsc_textline("Title", (char *)psettings->jobname); + if (!get_user_name((char_u *)buffer, 256)) + STRCPY(buffer, "Unknown"); + prt_dsc_textline("For", buffer); + prt_dsc_textline("Creator", VIM_VERSION_LONG); + // Note: to ensure Clean8bit I don't think we can use LC_TIME + + prt_dsc_textline("CreationDate", get_ctime(time(NULL), FALSE)); + prt_dsc_textline("DocumentData", "Clean8Bit"); + prt_dsc_textline("Orientation", "Portrait"); + prt_dsc_atend("Pages"); + prt_dsc_textline("PageOrder", "Ascend"); + // The bbox does not change with orientation - it is always in the default + // user coordinate system! We have to recalculate right and bottom + // coordinates based on the font metrics for the bbox to be accurate. + prt_page_margins(prt_mediasize[prt_media].width, + prt_mediasize[prt_media].height, + &left, &right, &top, &bottom); + bbox[0] = (int)left; + if (prt_portrait) + { + // In portrait printing the fixed point is the top left corner so we + // derive the bbox from that point. We have the expected cpl chars + // across the media and lpp lines down the media. + bbox[1] = (int)(top - (psettings->lines_per_page + prt_header_height()) + * (double)prt_line_height); + bbox[2] = (int)(left + psettings->chars_per_line + * (double)prt_char_width + 0.5); + bbox[3] = (int)(top + 0.5); + } + else + { + // In landscape printing the fixed point is the bottom left corner so we + // derive the bbox from that point. We have lpp chars across the media + // and cpl lines up the media. + bbox[1] = (int)bottom; + bbox[2] = (int)(left + ((psettings->lines_per_page + + prt_header_height()) * prt_line_height) + 0.5); + bbox[3] = (int)(bottom + psettings->chars_per_line + * (double)prt_char_width + 0.5); + } + prt_dsc_ints("BoundingBox", 4, bbox); + // The media width and height does not change with landscape printing! + prt_dsc_docmedia(prt_mediasize[prt_media].name, + prt_mediasize[prt_media].width, + prt_mediasize[prt_media].height, + (double)0, NULL, NULL); + // Define fonts needed + if (!prt_out_mbyte || prt_use_courier) + prt_dsc_font_resource("DocumentNeededResources", &prt_ps_courier_font); + if (prt_out_mbyte) + { + prt_dsc_font_resource((prt_use_courier ? NULL + : "DocumentNeededResources"), &prt_ps_mb_font); + if (!prt_custom_cmap) + prt_dsc_resources(NULL, "cmap", prt_cmap); + } + + // Search for external resources VIM supplies + if (!prt_find_resource("prolog", res_prolog)) + { + semsg(_(e_cant_find_postscript_resource_file_str_ps), "prolog"); + goto theend; + } + if (!prt_open_resource(res_prolog)) + goto theend; + if (!prt_check_resource(res_prolog, PRT_PROLOG_VERSION)) + goto theend; + if (prt_out_mbyte) + { + // Look for required version of multi-byte printing procset + if (!prt_find_resource("cidfont", res_cidfont)) + { + semsg(_(e_cant_find_postscript_resource_file_str_ps), "cidfont"); + goto theend; + } + if (!prt_open_resource(res_cidfont)) + goto theend; + if (!prt_check_resource(res_cidfont, PRT_CID_PROLOG_VERSION)) + goto theend; + } + + // Find an encoding to use for printing. + // Check 'printencoding'. If not set or not found, then use 'encoding'. If + // that cannot be found then default to "latin1". + // Note: VIM specific encoding header is always skipped. + if (!prt_out_mbyte) + { + p_encoding = enc_skip(p_penc); + if (*p_encoding == NUL + || !prt_find_resource((char *)p_encoding, res_encoding)) + { + // 'printencoding' not set or not supported - find alternate + int props; + + p_encoding = enc_skip(p_enc); + props = enc_canon_props(p_encoding); + if (!(props & ENC_8BIT) + || !prt_find_resource((char *)p_encoding, res_encoding)) + // 8-bit 'encoding' is not supported + { + // Use latin1 as default printing encoding + p_encoding = (char_u *)"latin1"; + if (!prt_find_resource((char *)p_encoding, res_encoding)) + { + semsg(_(e_cant_find_postscript_resource_file_str_ps), + p_encoding); + goto theend; + } + } + } + if (!prt_open_resource(res_encoding)) + goto theend; + // For the moment there are no checks on encoding resource files to + // perform + } + else + { + p_encoding = enc_skip(p_penc); + if (*p_encoding == NUL) + p_encoding = enc_skip(p_enc); + if (prt_use_courier) + { + // Include ASCII range encoding vector + if (!prt_find_resource(prt_ascii_encoding, res_encoding)) + { + semsg(_(e_cant_find_postscript_resource_file_str_ps), + prt_ascii_encoding); + goto theend; + } + if (!prt_open_resource(res_encoding)) + goto theend; + // For the moment there are no checks on encoding resource files to + // perform + } + } + + prt_conv.vc_type = CONV_NONE; + if (!(enc_canon_props(p_enc) & enc_canon_props(p_encoding) & ENC_8BIT)) + { + // Set up encoding conversion if required + if (FAIL == convert_setup(&prt_conv, p_enc, p_encoding)) + { + semsg(_(e_unable_to_convert_to_print_encoding_str), p_encoding); + goto theend; + } + prt_do_conv = TRUE; + } + prt_do_conv = prt_conv.vc_type != CONV_NONE; + + if (prt_out_mbyte && prt_custom_cmap) + { + // Find user supplied CMap + if (!prt_find_resource(prt_cmap, res_cmap)) + { + semsg(_(e_cant_find_postscript_resource_file_str_ps), prt_cmap); + goto theend; + } + if (!prt_open_resource(res_cmap)) + goto theend; + } + + // List resources supplied + STRCPY(buffer, res_prolog->title); + STRCAT(buffer, " "); + STRCAT(buffer, res_prolog->version); + prt_dsc_resources("DocumentSuppliedResources", "procset", buffer); + if (prt_out_mbyte) + { + STRCPY(buffer, res_cidfont->title); + STRCAT(buffer, " "); + STRCAT(buffer, res_cidfont->version); + prt_dsc_resources(NULL, "procset", buffer); + + if (prt_custom_cmap) + { + STRCPY(buffer, res_cmap->title); + STRCAT(buffer, " "); + STRCAT(buffer, res_cmap->version); + prt_dsc_resources(NULL, "cmap", buffer); + } + } + if (!prt_out_mbyte || prt_use_courier) + { + STRCPY(buffer, res_encoding->title); + STRCAT(buffer, " "); + STRCAT(buffer, res_encoding->version); + prt_dsc_resources(NULL, "encoding", buffer); + } + prt_dsc_requirements(prt_duplex, prt_tumble, prt_collate, +#ifdef FEAT_SYN_HL + psettings->do_syntax +#else + 0 +#endif + , prt_num_copies); + prt_dsc_noarg("EndComments"); + + /* + * PS Document page defaults + */ + prt_dsc_noarg("BeginDefaults"); + + // List font resources most likely common to all pages + if (!prt_out_mbyte || prt_use_courier) + prt_dsc_font_resource("PageResources", &prt_ps_courier_font); + if (prt_out_mbyte) + { + prt_dsc_font_resource((prt_use_courier ? NULL : "PageResources"), + &prt_ps_mb_font); + if (!prt_custom_cmap) + prt_dsc_resources(NULL, "cmap", prt_cmap); + } + + // Paper will be used for all pages + prt_dsc_textline("PageMedia", prt_mediasize[prt_media].name); + + prt_dsc_noarg("EndDefaults"); + + /* + * PS Document prolog inclusion - all required procsets. + */ + prt_dsc_noarg("BeginProlog"); + + // Add required procsets - NOTE: order is important! + if (!prt_add_resource(res_prolog)) + goto theend; + if (prt_out_mbyte) + { + // Add CID font procset, and any user supplied CMap + if (!prt_add_resource(res_cidfont)) + goto theend; + if (prt_custom_cmap && !prt_add_resource(res_cmap)) + goto theend; + } + + if (!prt_out_mbyte || prt_use_courier) + // There will be only one Roman font encoding to be included in the PS + // file. + if (!prt_add_resource(res_encoding)) + goto theend; + + prt_dsc_noarg("EndProlog"); + + /* + * PS Document setup - must appear after the prolog + */ + prt_dsc_noarg("BeginSetup"); + + // Device setup - page size and number of uncollated copies + prt_write_int((int)prt_mediasize[prt_media].width); + prt_write_int((int)prt_mediasize[prt_media].height); + prt_write_int(0); + prt_write_string("sps\n"); + prt_write_int(prt_num_copies); + prt_write_string("nc\n"); + prt_write_boolean(prt_duplex); + prt_write_boolean(prt_tumble); + prt_write_string("dt\n"); + prt_write_boolean(prt_collate); + prt_write_string("c\n"); + + // Font resource inclusion and definition + if (!prt_out_mbyte || prt_use_courier) + { + // When using Courier for ASCII range when printing multi-byte, need to + // pick up ASCII encoding to use with it. + if (prt_use_courier) + p_encoding = (char_u *)prt_ascii_encoding; + prt_dsc_resources("IncludeResource", "font", + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_ROMAN]); + prt_def_font("F0", (char *)p_encoding, (int)prt_line_height, + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_ROMAN]); + prt_dsc_resources("IncludeResource", "font", + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_BOLD]); + prt_def_font("F1", (char *)p_encoding, (int)prt_line_height, + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_BOLD]); + prt_dsc_resources("IncludeResource", "font", + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_OBLIQUE]); + prt_def_font("F2", (char *)p_encoding, (int)prt_line_height, + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_OBLIQUE]); + prt_dsc_resources("IncludeResource", "font", + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_BOLDOBLIQUE]); + prt_def_font("F3", (char *)p_encoding, (int)prt_line_height, + prt_ps_courier_font.ps_fontname[PRT_PS_FONT_BOLDOBLIQUE]); + } + if (prt_out_mbyte) + { + // Define the CID fonts to be used in the job. Typically CJKV fonts do + // not have an italic form being a western style, so where no font is + // defined for these faces VIM falls back to an existing face. + // Note: if using Courier for the ASCII range then the printout will + // have bold/italic/bolditalic regardless of the setting of printmbfont. + prt_dsc_resources("IncludeResource", "font", + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_ROMAN]); + if (!prt_custom_cmap) + prt_dsc_resources("IncludeResource", "cmap", prt_cmap); + prt_def_cidfont("CF0", (int)prt_line_height, + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_ROMAN]); + + if (prt_ps_mb_font.ps_fontname[PRT_PS_FONT_BOLD] != NULL) + { + prt_dsc_resources("IncludeResource", "font", + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_BOLD]); + if (!prt_custom_cmap) + prt_dsc_resources("IncludeResource", "cmap", prt_cmap); + prt_def_cidfont("CF1", (int)prt_line_height, + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_BOLD]); + } + else + // Use ROMAN for BOLD + prt_dup_cidfont("CF0", "CF1"); + + if (prt_ps_mb_font.ps_fontname[PRT_PS_FONT_OBLIQUE] != NULL) + { + prt_dsc_resources("IncludeResource", "font", + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_OBLIQUE]); + if (!prt_custom_cmap) + prt_dsc_resources("IncludeResource", "cmap", prt_cmap); + prt_def_cidfont("CF2", (int)prt_line_height, + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_OBLIQUE]); + } + else + // Use ROMAN for OBLIQUE + prt_dup_cidfont("CF0", "CF2"); + + if (prt_ps_mb_font.ps_fontname[PRT_PS_FONT_BOLDOBLIQUE] != NULL) + { + prt_dsc_resources("IncludeResource", "font", + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_BOLDOBLIQUE]); + if (!prt_custom_cmap) + prt_dsc_resources("IncludeResource", "cmap", prt_cmap); + prt_def_cidfont("CF3", (int)prt_line_height, + prt_ps_mb_font.ps_fontname[PRT_PS_FONT_BOLDOBLIQUE]); + } + else + // Use BOLD for BOLDOBLIQUE + prt_dup_cidfont("CF1", "CF3"); + } + + // Misc constant vars used for underlining and background rects + prt_def_var("UO", PRT_PS_FONT_TO_USER(prt_line_height, + prt_ps_font->uline_offset), 2); + prt_def_var("UW", PRT_PS_FONT_TO_USER(prt_line_height, + prt_ps_font->uline_width), 2); + prt_def_var("BO", prt_bgcol_offset, 2); + + prt_dsc_noarg("EndSetup"); + + // Fail if any problems writing out to the PS file + retval = !prt_file_error; + +theend: + vim_free(res_prolog); + vim_free(res_encoding); + vim_free(res_cidfont); + vim_free(res_cmap); + + return retval; +} + + void +mch_print_end(prt_settings_T *psettings) +{ + prt_dsc_noarg("Trailer"); + + /* + * Output any info we don't know in toto until we finish + */ + prt_dsc_ints("Pages", 1, &prt_page_num); + + prt_dsc_noarg("EOF"); + + // Write CTRL-D to close serial communication link if used. + // NOTHING MUST BE WRITTEN AFTER THIS! + prt_write_file((char_u *)"\004"); + + if (!prt_file_error && psettings->outfile == NULL + && !got_int && !psettings->user_abort) + { + // Close the file first. + if (prt_ps_fd != NULL) + { + fclose(prt_ps_fd); + prt_ps_fd = NULL; + } + prt_message((char_u *)_("Sending to printer...")); + + // Not printing to a file: use 'printexpr' to print the file. + if (eval_printexpr(prt_ps_file_name, psettings->arguments) == FAIL) + emsg(_(e_failed_to_print_postscript_file)); + else + prt_message((char_u *)_("Print job sent.")); + } + + mch_print_cleanup(); +} + + int +mch_print_end_page(void) +{ + prt_flush_buffer(); + + prt_write_string("re sp\n"); + + prt_dsc_noarg("PageTrailer"); + + return !prt_file_error; +} + + int +mch_print_begin_page(char_u *str UNUSED) +{ + int page_num[2]; + + prt_page_num++; + + page_num[0] = page_num[1] = prt_page_num; + prt_dsc_ints("Page", 2, page_num); + + prt_dsc_noarg("BeginPageSetup"); + + prt_write_string("sv\n0 g\n"); + prt_in_ascii = !prt_out_mbyte; + if (prt_out_mbyte) + prt_write_string("CF0 sf\n"); + else + prt_write_string("F0 sf\n"); + prt_fgcol = PRCOLOR_BLACK; + prt_bgcol = PRCOLOR_WHITE; + prt_font = PRT_PS_FONT_ROMAN; + + // Set up page transformation for landscape printing. + if (!prt_portrait) + { + prt_write_int(-((int)prt_mediasize[prt_media].width)); + prt_write_string("sl\n"); + } + + prt_dsc_noarg("EndPageSetup"); + + // We have reset the font attributes, force setting them again. + curr_bg = (long_u)0xffffffff; + curr_fg = (long_u)0xffffffff; + curr_bold = MAYBE; + + return !prt_file_error; +} + + int +mch_print_blank_page(void) +{ + return (mch_print_begin_page(NULL) ? (mch_print_end_page()) : FALSE); +} + +static float prt_pos_x = 0; +static float prt_pos_y = 0; + + void +mch_print_start_line(int margin, int page_line) +{ + prt_pos_x = prt_left_margin; + if (margin) + prt_pos_x -= prt_number_width; + + prt_pos_y = prt_top_margin - prt_first_line_height - + page_line * prt_line_height; + + prt_attribute_change = TRUE; + prt_need_moveto = TRUE; + prt_half_width = FALSE; +} + + int +mch_print_text_out(char_u *textp, int len UNUSED) +{ + char_u *p = textp; + int need_break; + char_u ch; + char_u ch_buff[8]; + float char_width; + float next_pos; + int in_ascii; + int half_width; + char_u *tofree = NULL; + + char_width = prt_char_width; + + // Ideally VIM would create a rearranged CID font to combine a Roman and + // CJKV font to do what VIM is doing here - use a Roman font for characters + // in the ASCII range, and the original CID font for everything else. + // The problem is that GhostScript still (as of 8.13) does not support + // rearranged fonts even though they have been documented by Adobe for 7 + // years! If they ever do, a lot of this code will disappear. + if (prt_use_courier) + { + in_ascii = (len == 1 && *p < 0x80); + if (prt_in_ascii) + { + if (!in_ascii) + { + // No longer in ASCII range - need to switch font + prt_in_ascii = FALSE; + prt_need_font = TRUE; + prt_attribute_change = TRUE; + } + } + else if (in_ascii) + { + // Now in ASCII range - need to switch font + prt_in_ascii = TRUE; + prt_need_font = TRUE; + prt_attribute_change = TRUE; + } + } + if (prt_out_mbyte) + { + half_width = ((*mb_ptr2cells)(p) == 1); + if (half_width) + char_width /= 2; + if (prt_half_width) + { + if (!half_width) + { + prt_half_width = FALSE; + prt_pos_x += prt_char_width/4; + prt_need_moveto = TRUE; + prt_attribute_change = TRUE; + } + } + else if (half_width) + { + prt_half_width = TRUE; + prt_pos_x += prt_char_width/4; + prt_need_moveto = TRUE; + prt_attribute_change = TRUE; + } + } + + // Output any required changes to the graphics state, after flushing any + // text buffered so far. + if (prt_attribute_change) + { + prt_flush_buffer(); + // Reset count of number of chars that will be printed + prt_text_run = 0; + + if (prt_need_moveto) + { + prt_pos_x_moveto = prt_pos_x; + prt_pos_y_moveto = prt_pos_y; + prt_do_moveto = TRUE; + + prt_need_moveto = FALSE; + } + if (prt_need_font) + { + if (!prt_in_ascii) + prt_write_string("CF"); + else + prt_write_string("F"); + prt_write_int(prt_font); + prt_write_string("sf\n"); + prt_need_font = FALSE; + } + if (prt_need_fgcol) + { + int r, g, b; + r = ((unsigned)prt_fgcol & 0xff0000) >> 16; + g = ((unsigned)prt_fgcol & 0xff00) >> 8; + b = prt_fgcol & 0xff; + + prt_write_real(r / 255.0, 3); + if (r == g && g == b) + prt_write_string("g\n"); + else + { + prt_write_real(g / 255.0, 3); + prt_write_real(b / 255.0, 3); + prt_write_string("r\n"); + } + prt_need_fgcol = FALSE; + } + + if (prt_bgcol != PRCOLOR_WHITE) + { + prt_new_bgcol = prt_bgcol; + if (prt_need_bgcol) + prt_do_bgcol = TRUE; + } + else + prt_do_bgcol = FALSE; + prt_need_bgcol = FALSE; + + if (prt_need_underline) + prt_do_underline = prt_underline; + prt_need_underline = FALSE; + + prt_attribute_change = FALSE; + } + + if (prt_do_conv) + { + // Convert from multi-byte to 8-bit encoding + tofree = p = string_convert(&prt_conv, p, &len); + if (p == NULL) + { + p = (char_u *)""; + len = 0; + } + } + + if (prt_out_mbyte) + { + // Multi-byte character strings are represented more efficiently as hex + // strings when outputting clean 8 bit PS. + while (len-- > 0) + { + ch = prt_hexchar[(unsigned)(*p) >> 4]; + ga_append(&prt_ps_buffer, ch); + ch = prt_hexchar[(*p) & 0xf]; + ga_append(&prt_ps_buffer, ch); + p++; + } + } + else + { + // Add next character to buffer of characters to output. + // Note: One printed character may require several PS characters to + // represent it, but we only count them as one printed character. + ch = *p; + if (ch < 32 || ch == '(' || ch == ')' || ch == '\\') + { + // Convert non-printing characters to either their escape or octal + // sequence, ensures PS sent over a serial line does not interfere + // with the comms protocol. + ga_append(&prt_ps_buffer, '\\'); + switch (ch) + { + case BS: ga_append(&prt_ps_buffer, 'b'); break; + case TAB: ga_append(&prt_ps_buffer, 't'); break; + case NL: ga_append(&prt_ps_buffer, 'n'); break; + case FF: ga_append(&prt_ps_buffer, 'f'); break; + case CAR: ga_append(&prt_ps_buffer, 'r'); break; + case '(': ga_append(&prt_ps_buffer, '('); break; + case ')': ga_append(&prt_ps_buffer, ')'); break; + case '\\': ga_append(&prt_ps_buffer, '\\'); break; + + default: + sprintf((char *)ch_buff, "%03o", (unsigned int)ch); + ga_append(&prt_ps_buffer, ch_buff[0]); + ga_append(&prt_ps_buffer, ch_buff[1]); + ga_append(&prt_ps_buffer, ch_buff[2]); + break; + } + } + else + ga_append(&prt_ps_buffer, ch); + } + + // Need to free any translated characters + vim_free(tofree); + + prt_text_run += char_width; + prt_pos_x += char_width; + + // The downside of fp - use relative error on right margin check + next_pos = prt_pos_x + prt_char_width; + need_break = (next_pos > prt_right_margin) && + ((next_pos - prt_right_margin) > (prt_right_margin*1e-5)); + + if (need_break) + prt_flush_buffer(); + + return need_break; +} + + void +mch_print_set_font(int iBold, int iItalic, int iUnderline) +{ + int font = 0; + + if (iBold) + font |= 0x01; + if (iItalic) + font |= 0x02; + + if (font != prt_font) + { + prt_font = font; + prt_attribute_change = TRUE; + prt_need_font = TRUE; + } + if (prt_underline != iUnderline) + { + prt_underline = iUnderline; + prt_attribute_change = TRUE; + prt_need_underline = TRUE; + } +} + + void +mch_print_set_bg(long_u bgcol) +{ + prt_bgcol = (int)bgcol; + prt_attribute_change = TRUE; + prt_need_bgcol = TRUE; +} + + void +mch_print_set_fg(long_u fgcol) +{ + if (fgcol == (long_u)prt_fgcol) + return; + + prt_fgcol = (int)fgcol; + prt_attribute_change = TRUE; + prt_need_fgcol = TRUE; +} + +# endif //FEAT_POSTSCRIPT +#endif //FEAT_PRINTER |