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zint/backend/ps.c

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Initial transfer from CVS Transfer of version 2.3.2 from CVS repository
2010-06-11 08:52:50 +12:00
/* ps.c - Post Script output */
/*
libzint - the open source barcode library
Copyright (C) 2009 Robin Stuart <robin@zint.org.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <locale.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "common.h"
#define SSET "0123456789ABCDEF"
/* This file has expanded quite a bit since version 1.5 in order to accomodate
the formatting rules for EAN and UPC symbols as set out in EN 797:1995 - the
down side of this support is that the code is now vertually unreadable! */
int ps_plot(struct zint_symbol *symbol)
{
int i, block_width, latch, r, this_row;
float textpos, large_bar_height, preset_height, row_height, row_posn;
FILE *feps;
int fgred, fggrn, fgblu, bgred, bggrn, bgblu;
float red_ink, green_ink, blue_ink, red_paper, green_paper, blue_paper;
int error_number = 0;
int textoffset, xoffset, yoffset, textdone, main_width;
char textpart[10], addon[6];
int large_bar_count, comp_offset;
float addon_text_posn;
float scaler = symbol->scale;
float default_text_posn;
int plot_text = 1;
const char *locale = NULL;
row_height=0;
textdone = 0;
main_width = symbol->width;
strcpy(addon, "");
comp_offset = 0;
addon_text_posn = 0.0;
if((symbol->output_options & BARCODE_STDOUT) != 0) {
feps = stdout;
} else {
feps = fopen(symbol->outfile, "w");
}
if(feps == NULL) {
strcpy(symbol->errtxt, "Could not open output file");
return ERROR_FILE_ACCESS;
}
/* sort out colour options */
to_upper((unsigned char*)symbol->fgcolour);
to_upper((unsigned char*)symbol->bgcolour);
if(strlen(symbol->fgcolour) != 6) {
strcpy(symbol->errtxt, "Malformed foreground colour target");
return ERROR_INVALID_OPTION;
}
if(strlen(symbol->bgcolour) != 6) {
strcpy(symbol->errtxt, "Malformed background colour target");
return ERROR_INVALID_OPTION;
}
error_number = is_sane(SSET, (unsigned char*)symbol->fgcolour, strlen(symbol->fgcolour));
if (error_number == ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Malformed foreground colour target");
return ERROR_INVALID_OPTION;
}
error_number = is_sane(SSET, (unsigned char*)symbol->bgcolour, strlen(symbol->bgcolour));
if (error_number == ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Malformed background colour target");
return ERROR_INVALID_OPTION;
}
locale = setlocale(LC_ALL, "C");
fgred = (16 * ctoi(symbol->fgcolour[0])) + ctoi(symbol->fgcolour[1]);
fggrn = (16 * ctoi(symbol->fgcolour[2])) + ctoi(symbol->fgcolour[3]);
fgblu = (16 * ctoi(symbol->fgcolour[4])) + ctoi(symbol->fgcolour[5]);
bgred = (16 * ctoi(symbol->bgcolour[0])) + ctoi(symbol->bgcolour[1]);
bggrn = (16 * ctoi(symbol->bgcolour[2])) + ctoi(symbol->bgcolour[3]);
bgblu = (16 * ctoi(symbol->bgcolour[4])) + ctoi(symbol->bgcolour[5]);
red_ink = fgred / 256.0;
green_ink = fggrn / 256.0;
blue_ink = fgblu / 256.0;
red_paper = bgred / 256.0;
green_paper = bggrn / 256.0;
blue_paper = bgblu / 256.0;
if (symbol->height == 0) {
symbol->height = 50;
}
large_bar_count = 0;
preset_height = 0.0;
for(i = 0; i < symbol->rows; i++) {
preset_height += symbol->row_height[i];
if(symbol->row_height[i] == 0) {
large_bar_count++;
}
}
large_bar_height = (symbol->height - preset_height) / large_bar_count;
if (large_bar_count == 0) {
symbol->height = preset_height;
}
while(!(module_is_set(symbol, symbol->rows - 1, comp_offset))) {
comp_offset++;
}
/* Certain symbols need whitespace otherwise characters get chopped off the sides */
if ((((symbol->symbology == BARCODE_EANX) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_EANX_CC))
|| (symbol->symbology == BARCODE_ISBNX)) {
switch(ustrlen(symbol->text)) {
case 13: /* EAN 13 */
case 16:
case 19:
if(symbol->whitespace_width == 0) {
symbol->whitespace_width = 10;
}
main_width = 96 + comp_offset;
break;
default:
main_width = 68 + comp_offset;
}
}
if (((symbol->symbology == BARCODE_UPCA) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCA_CC)) {
if(symbol->whitespace_width == 0) {
symbol->whitespace_width = 10;
main_width = 96 + comp_offset;
}
}
if (((symbol->symbology == BARCODE_UPCE) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCE_CC)) {
if(symbol->whitespace_width == 0) {
symbol->whitespace_width = 10;
main_width = 51 + comp_offset;
}
}
latch = 0;
r = 0;
/* Isolate add-on text */
if(is_extendable(symbol->symbology)) {
for(i = 0; i < ustrlen(symbol->text); i++) {
if (latch == 1) {
addon[r] = symbol->text[i];
r++;
}
if (symbol->text[i] == '+') {
latch = 1;
}
}
}
addon[r] = '\0';
if((symbol->show_hrt == 0) || (ustrlen(symbol->text) == 0)) {
plot_text = 0;
}
if(plot_text) {
textoffset = 9;
} else {
textoffset = 0;
}
xoffset = symbol->border_width + symbol->whitespace_width;
yoffset = symbol->border_width;
/* Start writing the header */
fprintf(feps, "%%!PS-Adobe-3.0 EPSF-3.0\n");
fprintf(feps, "%%%%Creator: Zint %s\n", ZINT_VERSION);
if(ustrlen(symbol->text) != 0) {
fprintf(feps, "%%%%Title: %s\n",symbol->text);
} else {
fprintf(feps, "%%%%Title: Zint Generated Symbol\n");
}
fprintf(feps, "%%%%Pages: 0\n");
if(symbol->symbology != BARCODE_MAXICODE) {
fprintf(feps, "%%%%BoundingBox: 0 0 %d %d\n", roundup((symbol->width + xoffset + xoffset) * scaler), roundup((symbol->height + textoffset + yoffset + yoffset) * scaler));
} else {
fprintf(feps, "%%%%BoundingBox: 0 0 %d %d\n", roundup((74.0 + xoffset + xoffset) * scaler), roundup((72.0 + yoffset + yoffset) * scaler));
}
fprintf(feps, "%%%%EndComments\n");
/* Definitions */
fprintf(feps, "/TL { setlinewidth moveto lineto stroke } bind def\n");
fprintf(feps, "/TC { moveto 0 360 arc 360 0 arcn fill } bind def\n");
fprintf(feps, "/TH { 0 setlinewidth moveto lineto lineto lineto lineto lineto closepath fill } bind def\n");
fprintf(feps, "/TB { 2 copy } bind def\n");
fprintf(feps, "/TR { newpath 4 1 roll exch moveto 1 index 0 rlineto 0 exch rlineto neg 0 rlineto closepath fill } bind def\n");
fprintf(feps, "/TE { pop pop } bind def\n");
fprintf(feps, "newpath\n");
/* Now the actual representation */
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_paper, green_paper, blue_paper);
fprintf(feps, "%.2f 0.00 TB 0.00 %.2f TR\n", (symbol->height + textoffset + yoffset + yoffset) * scaler, (symbol->width + xoffset + xoffset) * scaler);
if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
default_text_posn = 0.5 * scaler;
} else {
default_text_posn = (symbol->border_width + 0.5) * scaler;
}
if(symbol->symbology == BARCODE_MAXICODE) {
/* Maxicode uses hexagons */
float ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy, mx, my;
textoffset = 0.0;
if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, textoffset * scaler, 0.0, (74.0 + xoffset + xoffset) * scaler);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, (textoffset + 72.0 + symbol->border_width) * scaler, 0.0, (74.0 + xoffset + xoffset) * scaler);
}
if((symbol->output_options & BARCODE_BOX) != 0) {
/* side bars */
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (72.0 + (2 * symbol->border_width)) * scaler, textoffset * scaler, 0.0, symbol->border_width * scaler);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (72.0 + (2 * symbol->border_width)) * scaler, textoffset * scaler, (74.0 + xoffset + xoffset - symbol->border_width) * scaler, symbol->border_width * scaler);
}
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 10.85 * scaler, (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 8.97 * scaler, (44.73 + xoffset) * scaler, (35.60 + yoffset) * scaler);
fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 7.10 * scaler, (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 5.22 * scaler, (40.98 + xoffset) * scaler, (35.60 + yoffset) * scaler);
fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 3.31 * scaler, (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 1.43 * scaler, (37.19 + xoffset) * scaler, (35.60 + yoffset) * scaler);
for(r = 0; r < symbol->rows; r++) {
for(i = 0; i < symbol->width; i++) {
if(module_is_set(symbol, r, i)) {
/* Dump a hexagon */
my = ((symbol->rows - r - 1)) * 2.135 + 1.43;
ay = my + 1.0 + yoffset;
by = my + 0.5 + yoffset;
cy = my - 0.5 + yoffset;
dy = my - 1.0 + yoffset;
ey = my - 0.5 + yoffset;
fy = my + 0.5 + yoffset;
if(r % 2 == 1) {
mx = (2.46 * i) + 1.23 + 1.23;
} else {
mx = (2.46 * i) + 1.23;
}
ax = mx + xoffset;
bx = mx + 0.86 + xoffset;
cx = mx + 0.86 + xoffset;
dx = mx + xoffset;
ex = mx - 0.86 + xoffset;
fx = mx - 0.86 + xoffset;
fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TH\n", ax * scaler, ay * scaler, bx * scaler, by * scaler, cx * scaler, cy * scaler, dx * scaler, dy * scaler, ex * scaler, ey * scaler, fx * scaler, fy * scaler);
}
}
}
}
if(symbol->symbology != BARCODE_MAXICODE) {
/* everything else uses rectangles (or squares) */
/* Works from the bottom of the symbol up */
int addon_latch = 0;
for(r = 0; r < symbol->rows; r++) {
this_row = symbol->rows - r - 1; /* invert r otherwise plots upside down */
if(symbol->row_height[this_row] == 0) {
row_height = large_bar_height;
} else {
row_height = symbol->row_height[this_row];
}
row_posn = 0;
for(i = 0; i < r; i++) {
if(symbol->row_height[symbol->rows - i - 1] == 0) {
row_posn += large_bar_height;
} else {
row_posn += symbol->row_height[symbol->rows - i - 1];
}
}
row_posn += (textoffset + yoffset);
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f ", row_height * scaler, row_posn * scaler);
i = 0;
if(module_is_set(symbol, this_row, 0)) {
latch = 1;
} else {
latch = 0;
}
do {
block_width = 0;
do {
block_width++;
} while (module_is_set(symbol, this_row, i + block_width) == module_is_set(symbol, this_row, i));
if((addon_latch == 0) && (r == 0) && (i > main_width)) {
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f ", (row_height - 5.0) * scaler, (row_posn - 5.0) * scaler);
addon_text_posn = row_posn + row_height - 8.0;
addon_latch = 1;
}
if(latch == 1) {
/* a bar */
fprintf(feps, "TB %.2f %.2f TR\n", (i + xoffset) * scaler, block_width * scaler);
latch = 0;
} else {
/* a space */
latch = 1;
}
i += block_width;
} while (i < symbol->width);
}
}
/* That's done the actual data area, everything else is human-friendly */
xoffset += comp_offset;
if (plot_text) {
if ((((symbol->symbology == BARCODE_EANX) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_EANX_CC)) ||
(symbol->symbology == BARCODE_ISBNX)) {
/* guard bar extensions and text formatting for EAN8 and EAN13 */
switch(ustrlen(symbol->text)) {
case 8: /* EAN-8 */
case 11:
case 14:
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f ", 5.0 * scaler, (4.0 + yoffset) * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (0 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (2 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (32 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (34 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (64 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (66 + xoffset) * scaler, 1 * scaler);
for(i = 0; i < 4; i++) {
textpart[i] = symbol->text[i];
}
textpart[4] = '\0';
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 17;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
for(i = 0; i < 4; i++) {
textpart[i] = symbol->text[i + 4];
}
textpart[4] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 50;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 86;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
case 5:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 100;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
}
break;
case 13: /* EAN 13 */
case 16:
case 19:
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f ", 5.0 * scaler, (4.0 + yoffset) * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (0 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (2 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (46 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (48 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (92 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (94 + xoffset) * scaler, 1 * scaler);
textpart[0] = symbol->text[0];
textpart[1] = '\0';
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = -7;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[6] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 24;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 7];
}
textpart[6] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 71;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 114;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
case 5:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 128;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
}
break;
}
}
if (((symbol->symbology == BARCODE_UPCA) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCA_CC)) {
/* guard bar extensions and text formatting for UPCA */
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f ", 5.0 * scaler, (4.0 + yoffset) * scaler);
latch = 1;
i = 0 + comp_offset;
do {
block_width = 0;
do {
block_width++;
} while (module_is_set(symbol, symbol->rows - 1, i + block_width) == module_is_set(symbol, symbol->rows - 1, i));
if(latch == 1) {
/* a bar */
fprintf(feps, "TB %.2f %.2f TR\n", (i + xoffset - comp_offset) * scaler, block_width * scaler);
latch = 0;
} else {
/* a space */
latch = 1;
}
i += block_width;
} while (i < 11 + comp_offset);
fprintf(feps, "TB %.2f %.2f TR\n", (46 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (48 + xoffset) * scaler, 1 * scaler);
latch = 1;
i = 85 + comp_offset;
do {
block_width = 0;
do {
block_width++;
} while (module_is_set(symbol, symbol->rows - 1, i + block_width) == module_is_set(symbol, symbol->rows - 1, i));
if(latch == 1) {
/* a bar */
fprintf(feps, "TB %.2f %.2f TR\n", (i + xoffset - comp_offset) * scaler, block_width * scaler);
latch = 0;
} else {
/* a space */
latch = 1;
}
i += block_width;
} while (i < 96 + comp_offset);
textpart[0] = symbol->text[0];
textpart[1] = '\0';
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = -5;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[5] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 27;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 6];
}
textpart[6] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 68;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
textpart[0] = symbol->text[11];
textpart[1] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = 100;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 116;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
case 5:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 130;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
}
}
if (((symbol->symbology == BARCODE_UPCE) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCE_CC)) {
/* guard bar extensions and text formatting for UPCE */
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f ", 5.0 * scaler, (4.0 + yoffset) * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (0 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (2 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (46 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (48 + xoffset) * scaler, 1 * scaler);
fprintf(feps, "TB %.2f %.2f TR\n", (50 + xoffset) * scaler, 1 * scaler);
textpart[0] = symbol->text[0];
textpart[1] = '\0';
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = -5;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[6] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 24;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
textpart[0] = symbol->text[7];
textpart[1] = '\0';
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = 55;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", textpart);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", textpart);
fprintf(feps, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 70;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
case 5:
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = xoffset + 84;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(feps, " (%s) stringwidth\n", addon);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", addon);
fprintf(feps, "setmatrix\n");
break;
}
}
} /* if (plot_text) */
xoffset -= comp_offset;
switch(symbol->symbology) {
case BARCODE_CODABLOCKF:
case BARCODE_HIBC_BLOCKF:
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, textoffset * scaler, xoffset * scaler, symbol->width * scaler);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, (textoffset + symbol->height + symbol->border_width) * scaler, xoffset * scaler, symbol->width * scaler);
if(symbol->rows > 1) {
/* row binding */
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
for(r = 1; r < symbol->rows; r++) {
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", 2.0 * scaler, ((r * row_height) + textoffset + yoffset - 1) * scaler, (xoffset + 11) * scaler, (symbol->width - 24) * scaler);
}
}
break;
case BARCODE_MAXICODE:
/* Do nothing! (It's already been done) */
break;
default:
if((symbol->output_options & BARCODE_BIND) != 0) {
if((symbol->rows > 1) && (is_stackable(symbol->symbology) == 1)) {
/* row binding */
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
for(r = 1; r < symbol->rows; r++) {
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", 2.0 * scaler, ((r * row_height) + textoffset + yoffset - 1) * scaler, xoffset * scaler, symbol->width * scaler);
}
}
}
if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, textoffset * scaler, 0.0, (symbol->width + xoffset + xoffset) * scaler);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, (textoffset + symbol->height + symbol->border_width) * scaler, 0.0, (symbol->width + xoffset + xoffset) * scaler);
}
if((symbol->output_options & BARCODE_BOX) != 0) {
/* side bars */
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (symbol->height + (2 * symbol->border_width)) * scaler, textoffset * scaler, 0.0, symbol->border_width * scaler);
fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (symbol->height + (2 * symbol->border_width)) * scaler, textoffset * scaler, (symbol->width + xoffset + xoffset - symbol->border_width) * scaler, symbol->border_width * scaler);
}
break;
}
/* Put the human readable text at the bottom */
if(plot_text && (textdone == 0)) {
fprintf(feps, "TE\n");
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(feps, "matrix currentmatrix\n");
fprintf(feps, "/Helvetica findfont\n");
fprintf(feps, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = symbol->width / 2.0;
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, default_text_posn);
fprintf(feps, " (%s) stringwidth\n", symbol->text);
fprintf(feps, "pop\n");
fprintf(feps, "-2 div 0 rmoveto\n");
fprintf(feps, " (%s) show\n", symbol->text);
fprintf(feps, "setmatrix\n");
}
fprintf(feps, "\nshowpage\n");
fclose(feps);
if (locale)
setlocale(LC_ALL, locale);
return error_number;
}
Reference in New Issue Copy Permalink