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b151e526f4
zint/backend/svg.c
hooper114 b151e526f4 Add SVG support
2009-02-17 17:48:39 +00:00

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/* svg.c - Scalable Vector Graphics */
/*
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 <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "common.h"
#define SSET "0123456789ABCDEF"
int svg_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 *fsvg;
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;
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) {
fsvg = stdout;
} else {
fsvg = fopen(symbol->outfile, "w");
}
if(fsvg == 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);
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);
if (error_number == ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Malformed background colour target");
return ERROR_INVALID_OPTION;
}
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(symbol->encoded_data[symbol->rows - 1][comp_offset] != '1') {
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)) {
switch(strlen(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 */
for(i = 0; i < strlen(symbol->text); i++) {
if (latch == 1) {
addon[r] = symbol->text[i];
r++;
}
if (symbol->text[i] == '+') {
latch = 1;
}
}
addon[r] = '\0';
if(strcmp(symbol->text, "")) {
textoffset = 9;
} else {
textoffset = 0;
}
xoffset = symbol->border_width + symbol->whitespace_width;
yoffset = symbol->border_width;
/* Start writing the header */
fprintf(fsvg, "<?xml version=\"1.0\" standalone=\"no\"?>\n");
fprintf(fsvg, "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
fprintf(fsvg, " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
if(symbol->symbology != BARCODE_MAXICODE) {
fprintf(fsvg, "<svg width=\"%d\" height=\"%d\" version=\"1.1\"\n", roundup((symbol->width + xoffset + xoffset) * scaler), roundup((symbol->height + textoffset + yoffset + yoffset) * scaler));
} else {
fprintf(fsvg, "<svg width=\"%d\" height=\"%d\" version=\"1.1\"\n", roundup((74.0 + xoffset + xoffset) * scaler), roundup((72.0 + yoffset + yoffset) * scaler));
}
fprintf(fsvg, " xmlns=\"http://www.w3.org/2000/svg\">\n");
if(strlen(symbol->text) != 0) {
fprintf(fsvg, " <desc>%s\n", symbol->text);
} else {
fprintf(fsvg, " <desc>Zint Generated Symbol\n");
}
fprintf(fsvg, " </desc>\n");
fprintf(fsvg, "\n <g id=\"barcode\" fill=\"black\">\n");
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(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", 0.0, 0.0, (74.0 + xoffset + xoffset) * scaler, symbol->border_width * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", 0.0, (72.0 + symbol->border_width) * scaler, (74.0 + xoffset + xoffset) * scaler, symbol->border_width * scaler);
}
if((symbol->output_options & BARCODE_BOX) != 0) {
/* side bars */
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", 0.0, 0.0, symbol->border_width * scaler, (72.0 + (2 * symbol->border_width)) * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (74.0 + xoffset + xoffset - symbol->border_width) * scaler, 0.0, symbol->border_width * scaler, (72.0 + (2 * symbol->border_width)) * scaler);
}
fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"black\" />\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 10.85 * scaler);
fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"white\" />\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 8.97 * scaler);
fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"black\" />\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 7.10 * scaler);
fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"white\" />\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 5.22 * scaler);
fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"black\" />\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 3.31 * scaler);
fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"white\" />\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 1.43 * scaler);
for(r = 0; r < symbol->rows; r++) {
for(i = 0; i < symbol->width; i++) {
if(symbol->encoded_data[r][i] == '1') {
/* Dump a hexagon */
my = r * 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(fsvg, " <path d=\"M %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f L %.2f %.2f Z\" />\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 = r;
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[i] == 0) {
row_posn += large_bar_height;
} else {
row_posn += symbol->row_height[i];
}
}
row_posn += yoffset;
i = 0;
if(symbol->encoded_data[this_row][0] == '1') {
latch = 1;
} else {
latch = 0;
}
do {
block_width = 0;
do {
block_width++;
} while (symbol->encoded_data[this_row][i + block_width] == symbol->encoded_data[this_row][i]);
if((addon_latch == 0) && (r == 0) && (i > main_width)) {
addon_text_posn = row_posn + row_height - 8.0;
addon_latch = 1;
}
if(latch == 1) {
/* a bar */
if(addon_latch == 0) {
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (i + xoffset) * scaler, row_posn * scaler, block_width * scaler, row_height * scaler);
} else {
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (i + xoffset) * scaler, (row_posn + 10.0) * scaler, block_width * scaler, (row_height - 5.0) * 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;
row_posn = (yoffset + large_bar_height) * scaler;
if (((symbol->symbology == BARCODE_EANX) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_EANX_CC)) {
/* guard bar extensions and text formatting for EAN8 and EAN13 */
switch(strlen(symbol->text)) {
case 8: /* EAN-8 */
case 11:
case 14:
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (0 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (2 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (32 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (34 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (64 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (66 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
for(i = 0; i < 4; i++) {
textpart[i] = symbol->text[i];
}
/* textpart[4] = '\0';
fprintf(fsvg, "TE\n");
fprintf(fsvg, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 17;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.50 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
for(i = 0; i < 4; i++) {
textpart[i] = symbol->text[i + 4];
}
textpart[4] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 50;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 10;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "setmatrix\n");
break;
case 5:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 23;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "setmatrix\n");
break;
} */
break;
case 13: /* EAN 13 */
case 16:
case 19:
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (0 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (2 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (46 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (48 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (92 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (94 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
textpart[0] = symbol->text[0];
textpart[1] = '\0';
/*fprintf(fsvg, "TE\n");
fprintf(fsvg, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = -7;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.50 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[6] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 24;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.50 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 7];
}
textpart[6] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 71;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 10;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "setmatrix\n");
break;
case 5:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 23;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "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 */
latch = 1;
i = 0 + comp_offset;
do {
block_width = 0;
do {
block_width++;
} while (symbol->encoded_data[symbol->rows - 1][i + block_width] == symbol->encoded_data[symbol->rows - 1][i]);
if(latch == 1) {
/* a bar */
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (i + xoffset - comp_offset) * scaler, row_posn, block_width * scaler, 5.0 * scaler);
latch = 0;
} else {
/* a space */
latch = 1;
}
i += block_width;
} while (i < 11 + comp_offset);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (46 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (48 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
latch = 1;
i = 85 + comp_offset;
do {
block_width = 0;
do {
block_width++;
} while (symbol->encoded_data[symbol->rows - 1][i + block_width] == symbol->encoded_data[symbol->rows - 1][i]);
if(latch == 1) {
/* a bar */
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (i + xoffset - comp_offset) * scaler, row_posn, block_width * scaler, 5.0 * 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(fsvg, "TE\n");
fprintf(fsvg, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = -5;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[5] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 27;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 6];
}
textpart[6] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 68;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
textpart[0] = symbol->text[11];
textpart[1] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = 100;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 10;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "setmatrix\n");
break;
case 5:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 23;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "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(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (0 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (2 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (46 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (48 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (50 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
textpart[0] = symbol->text[0];
textpart[1] = '\0';
/* fprintf(fsvg, "TE\n");
fprintf(fsvg, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = -5;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[6] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = 24;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
textpart[0] = symbol->text[7];
textpart[1] = '\0';
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = 55;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 0.5 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", textpart);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", textpart);
fprintf(fsvg, "setmatrix\n");
textdone = 1;
switch(strlen(addon)) {
case 2:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 10;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "setmatrix\n");
break;
case 5:
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 11.0 * scaler);
textpos = symbol->width + xoffset - 23;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", textpos * scaler, addon_text_posn * scaler);
fprintf(fsvg, " (%s) stringwidth\n", addon);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", addon);
fprintf(fsvg, "setmatrix\n");
break;
} */
}
xoffset -= comp_offset;
switch(symbol->symbology) {
case BARCODE_CODABLOCKF:
case BARCODE_HIBC_BLOCKF:
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", xoffset * scaler, 0.0, symbol->width * scaler, symbol->border_width * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", xoffset * scaler, (symbol->height + symbol->border_width) * scaler, symbol->width * scaler, symbol->border_width * scaler);
if(symbol->rows > 1) {
/* row binding */
for(r = 1; r < symbol->rows; r++) {
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (xoffset + 11) * scaler, ((r * row_height) + yoffset - 1) * scaler, (symbol->width - 24) * scaler, 2.0 * 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 */
for(r = 1; r < symbol->rows; r++) {
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", xoffset * scaler, ((r * row_height) + yoffset - 1) * scaler, symbol->width * scaler, 2.0 * scaler);
}
}
}
if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", 0.0, 0.0, (symbol->width + xoffset + xoffset) * scaler, symbol->border_width * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", 0.0, (symbol->height + symbol->border_width) * scaler, (symbol->width + xoffset + xoffset) * scaler, symbol->border_width * scaler);
}
if((symbol->output_options & BARCODE_BOX) != 0) {
/* side bars */
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", 0.0, 0.0, symbol->border_width * scaler, (symbol->height + (2 * symbol->border_width)) * scaler);
fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (symbol->width + xoffset + xoffset - symbol->border_width) * scaler, 0.0, symbol->border_width * scaler, (symbol->height + (2 * symbol->border_width)) * scaler);
}
break;
}
/* Put the human readable text at the bottom */
/* if((textdone == 0) && (strlen(symbol->text) != 0)) {
fprintf(fsvg, "TE\n");
fprintf(fsvg, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
fprintf(fsvg, "matrix currentmatrix\n");
fprintf(fsvg, "/Helvetica findfont\n");
fprintf(fsvg, "%.2f scalefont setfont\n", 8.0 * scaler);
textpos = symbol->width / 2.0;
fprintf(fsvg, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n", (textpos + xoffset) * scaler, 1.67 * scaler);
fprintf(fsvg, " (%s) stringwidth\n", symbol->text);
fprintf(fsvg, "pop\n");
fprintf(fsvg, "-2 div 0 rmoveto\n");
fprintf(fsvg, " (%s) show\n", symbol->text);
fprintf(fsvg, "setmatrix\n");
} */
fprintf(fsvg, " </g>\n");
fprintf(fsvg, "</svg>\n");
fclose(fsvg);
return error_number;
}
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