mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-25 13:04:38 +03:00
1147 lines
34 KiB
C
1147 lines
34 KiB
C
/* png.c - Handles output to PNG file */
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/*
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libzint - the open source barcode library
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Copyright (C) 2009 Robin Stuart <robin@zint.org.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#ifdef _MSC_VER
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#include <fcntl.h>
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#include <io.h>
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include "common.h"
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#ifdef _MSC_VER
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#include <malloc.h>
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#endif /* _MSC_VER */
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#ifndef NO_PNG
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#include "png.h" /* libpng header; includes zlib.h and setjmp.h */
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#endif /* NO_PNG */
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#include "maxipng.h" /* Maxicode shapes */
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#include "font.h" /* Font for human readable text */
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#define SSET "0123456789ABCDEF"
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#define PNG_DATA 100
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#define BMP_DATA 200
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#ifndef NO_PNG
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struct mainprog_info_type {
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long width;
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long height;
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FILE *outfile;
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jmp_buf jmpbuf;
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};
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static void writepng_error_handler(png_structp png_ptr, png_const_charp msg)
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{
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struct mainprog_info_type *graphic;
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fprintf(stderr, "writepng libpng error: %s\n", msg);
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fflush(stderr);
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graphic = (struct mainprog_info_type*)png_get_error_ptr(png_ptr);
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if (graphic == NULL) { /* we are completely hosed now */
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fprintf(stderr,
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"writepng severe error: jmpbuf not recoverable; terminating.\n");
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fflush(stderr);
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return;
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}
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longjmp(graphic->jmpbuf, 1);
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}
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int png_pixel_plot(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle)
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{
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struct mainprog_info_type wpng_info;
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struct mainprog_info_type *graphic;
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#ifndef _MSC_VER
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unsigned char outdata[image_width * 3];
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#else
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unsigned char* outdata = (unsigned char*)_alloca(image_width * 3);
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#endif
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png_structp png_ptr;
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png_infop info_ptr;
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graphic = &wpng_info;
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unsigned long rowbytes;
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unsigned char *image_data;
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int i, row, column, errno;
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int fgred, fggrn, fgblu, bgred, bggrn, bgblu;
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switch(rotate_angle) {
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case 0:
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case 180:
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graphic->width = image_width;
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graphic->height = image_height;
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break;
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case 90:
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case 270:
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graphic->width = image_height;
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graphic->height = image_width;
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break;
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}
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/* sort out colour options */
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to_upper((unsigned char*)symbol->fgcolour);
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to_upper((unsigned char*)symbol->bgcolour);
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if(strlen(symbol->fgcolour) != 6) {
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strcpy(symbol->errtxt, "Malformed foreground colour target");
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return ERROR_INVALID_OPTION;
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}
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if(strlen(symbol->bgcolour) != 6) {
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strcpy(symbol->errtxt, "Malformed background colour target");
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return ERROR_INVALID_OPTION;
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}
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errno = is_sane(SSET, (unsigned char*)symbol->fgcolour, strlen(symbol->fgcolour));
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if (errno == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Malformed foreground colour target");
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return ERROR_INVALID_OPTION;
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}
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errno = is_sane(SSET, (unsigned char*)symbol->bgcolour, strlen(symbol->bgcolour));
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if (errno == ERROR_INVALID_DATA) {
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strcpy(symbol->errtxt, "Malformed background colour target");
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return ERROR_INVALID_OPTION;
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}
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fgred = (16 * ctoi(symbol->fgcolour[0])) + ctoi(symbol->fgcolour[1]);
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fggrn = (16 * ctoi(symbol->fgcolour[2])) + ctoi(symbol->fgcolour[3]);
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fgblu = (16 * ctoi(symbol->fgcolour[4])) + ctoi(symbol->fgcolour[5]);
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bgred = (16 * ctoi(symbol->bgcolour[0])) + ctoi(symbol->bgcolour[1]);
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bggrn = (16 * ctoi(symbol->bgcolour[2])) + ctoi(symbol->bgcolour[3]);
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bgblu = (16 * ctoi(symbol->bgcolour[4])) + ctoi(symbol->bgcolour[5]);
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/* Open output file in binary mode */
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if((symbol->output_options & BARCODE_STDOUT) != 0) {
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#ifdef _MSC_VER
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if (-1 == _setmode(_fileno(stdout), _O_BINARY)) {
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strcpy(symbol->errtxt, "Can't open output file");
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return ERROR_FILE_ACCESS;
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}
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#endif
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graphic->outfile = stdout;
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} else {
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if (!(graphic->outfile = fopen(symbol->outfile, "wb"))) {
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strcpy(symbol->errtxt, "Can't open output file");
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return ERROR_FILE_ACCESS;
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}
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}
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/* Set up error handling routine as proc() above */
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png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, graphic, writepng_error_handler, NULL);
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if (!png_ptr) {
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strcpy(symbol->errtxt, "Out of memory");
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return ERROR_MEMORY;
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}
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info_ptr = png_create_info_struct(png_ptr);
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if (!info_ptr) {
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png_destroy_write_struct(&png_ptr, NULL);
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strcpy(symbol->errtxt, "Out of memory");
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return ERROR_MEMORY;
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}
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/* catch jumping here */
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if (setjmp(graphic->jmpbuf)) {
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png_destroy_write_struct(&png_ptr, &info_ptr);
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strcpy(symbol->errtxt, "libpng error occurred");
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return ERROR_MEMORY;
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}
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/* open output file with libpng */
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png_init_io(png_ptr, graphic->outfile);
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/* set compression */
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png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);
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/* set Header block */
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png_set_IHDR(png_ptr, info_ptr, graphic->width, graphic->height,
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8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
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PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
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/* write all chunks up to (but not including) first IDAT */
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png_write_info(png_ptr, info_ptr);
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/* set up the transformations: for now, just pack low-bit-depth pixels
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into bytes (one, two or four pixels per byte) */
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png_set_packing(png_ptr);
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/* set rowbytes - depends on picture depth */
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rowbytes = wpng_info.width * 3;
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/* Pixel Plotting */
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switch(rotate_angle) {
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case 0: /* Plot the right way up */
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for(row = 0; row < image_height; row++) {
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for(column = 0; column < image_width; column++) {
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i = column * 3;
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switch(*(pixelbuf + (image_width * row) + column))
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{
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case '1':
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outdata[i] = fgred;
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outdata[i + 1] = fggrn;
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outdata[i + 2] = fgblu;
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break;
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default:
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outdata[i] = bgred;
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outdata[i + 1] = bggrn;
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outdata[i + 2] = bgblu;
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break;
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}
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}
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/* write row contents to file */
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image_data = outdata;
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png_write_row(png_ptr, image_data);
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}
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break;
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case 90: /* Plot 90 degrees clockwise */
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for(row = 0; row < image_width; row++) {
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for(column = 0; column < image_height; column++) {
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i = column * 3;
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switch(*(pixelbuf + (image_width * (image_height - column - 1)) + row))
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{
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case '1':
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outdata[i] = fgred;
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outdata[i + 1] = fggrn;
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outdata[i + 2] = fgblu;
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break;
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default:
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outdata[i] = bgred;
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outdata[i + 1] = bggrn;
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outdata[i + 2] = bgblu;
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break;
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}
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}
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/* write row contents to file */
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image_data = outdata;
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png_write_row(png_ptr, image_data);
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}
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break;
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case 180: /* Plot upside down */
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for(row = 0; row < image_height; row++) {
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for(column = 0; column < image_width; column++) {
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i = column * 3;
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switch(*(pixelbuf + (image_width * (image_height - row - 1)) + (image_width - column - 1)))
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{
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case '1':
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outdata[i] = fgred;
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outdata[i + 1] = fggrn;
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outdata[i + 2] = fgblu;
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break;
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default:
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outdata[i] = bgred;
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outdata[i + 1] = bggrn;
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outdata[i + 2] = bgblu;
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break;
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}
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}
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/* write row contents to file */
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image_data = outdata;
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png_write_row(png_ptr, image_data);
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}
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break;
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case 270: /* Plot 90 degrees anti-clockwise */
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for(row = 0; row < image_width; row++) {
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for(column = 0; column < image_height; column++) {
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i = column * 3;
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switch(*(pixelbuf + (image_width * column) + (image_width - row - 1)))
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{
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case '1':
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outdata[i] = fgred;
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outdata[i + 1] = fggrn;
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outdata[i + 2] = fgblu;
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break;
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default:
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outdata[i] = bgred;
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outdata[i + 1] = bggrn;
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outdata[i + 2] = bgblu;
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break;
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}
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}
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/* write row contents to file */
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image_data = outdata;
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png_write_row(png_ptr, image_data);
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}
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break;
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}
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/* End the file */
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png_write_end(png_ptr, NULL);
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/* make sure we have disengaged */
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if (png_ptr && info_ptr) png_destroy_write_struct(&png_ptr, &info_ptr);
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fclose(wpng_info.outfile);
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return 0;
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}
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#endif /* NO_PNG */
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int bmp_pixel_plot(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle)
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{
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unsigned long rowbytes;
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int i, row, column, errno;
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int fgred, fggrn, fgblu, bgred, bggrn, bgblu;
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switch(rotate_angle) {
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case 0:
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case 180:
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symbol->bitmap_width = image_width;
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symbol->bitmap_height = image_height;
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break;
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case 90:
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case 270:
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symbol->bitmap_width = image_height;
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symbol->bitmap_height = image_width;
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break;
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}
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if (symbol->bitmap != NULL)
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free(symbol->bitmap);
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symbol->bitmap = (char *) malloc(image_width * image_height * 3);
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/* sort out colour options */
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to_upper((unsigned char*)symbol->fgcolour);
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to_upper((unsigned char*)symbol->bgcolour);
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if(strlen(symbol->fgcolour) != 6) {
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strcpy(symbol->errtxt, "Malformed foreground colour target");
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return ERROR_INVALID_OPTION;
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}
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if(strlen(symbol->bgcolour) != 6) {
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strcpy(symbol->errtxt, "Malformed background colour target");
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return ERROR_INVALID_OPTION;
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}
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errno = is_sane(SSET, (unsigned char*)symbol->fgcolour, strlen(symbol->fgcolour));
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if (errno == ERROR_INVALID_DATA1) {
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strcpy(symbol->errtxt, "Malformed foreground colour target");
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return ERROR_INVALID_OPTION;
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}
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errno = is_sane(SSET, (unsigned char*)symbol->bgcolour, strlen(symbol->fgcolour));
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if (errno == ERROR_INVALID_DATA1) {
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strcpy(symbol->errtxt, "Malformed background colour target");
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return ERROR_INVALID_OPTION;
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}
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fgred = (16 * ctoi(symbol->fgcolour[0])) + ctoi(symbol->fgcolour[1]);
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fggrn = (16 * ctoi(symbol->fgcolour[2])) + ctoi(symbol->fgcolour[3]);
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fgblu = (16 * ctoi(symbol->fgcolour[4])) + ctoi(symbol->fgcolour[5]);
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bgred = (16 * ctoi(symbol->bgcolour[0])) + ctoi(symbol->bgcolour[1]);
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bggrn = (16 * ctoi(symbol->bgcolour[2])) + ctoi(symbol->bgcolour[3]);
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bgblu = (16 * ctoi(symbol->bgcolour[4])) + ctoi(symbol->bgcolour[5]);
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/* set rowbytes - depends on picture depth */
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rowbytes = symbol->bitmap_width * 3;
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/* Pixel Plotting */
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i = 0;
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switch(rotate_angle) {
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case 0: /* Plot the right way up */
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for(row = 0; row < image_height; row++) {
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for(column = 0; column < image_width; column++) {
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switch(*(pixelbuf + (image_width * row) + column))
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{
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case '1':
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symbol->bitmap[i++] = fgred;
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symbol->bitmap[i++] = fggrn;
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symbol->bitmap[i++] = fgblu;
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break;
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default:
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symbol->bitmap[i++] = bgred;
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symbol->bitmap[i++] = bggrn;
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symbol->bitmap[i++] = bgblu;
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break;
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}
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}
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}
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break;
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case 90: /* Plot 90 degrees clockwise */
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for(row = 0; row < image_width; row++) {
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for(column = 0; column < image_height; column++) {
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switch(*(pixelbuf + (image_width * (image_height - column - 1)) + row))
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{
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case '1':
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symbol->bitmap[i++] = fgred;
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symbol->bitmap[i++] = fggrn;
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symbol->bitmap[i++] = fgblu;
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break;
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default:
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symbol->bitmap[i++] = bgred;
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symbol->bitmap[i++] = bggrn;
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symbol->bitmap[i++] = bgblu;
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break;
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}
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}
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}
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break;
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case 180: /* Plot upside down */
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for(row = 0; row < image_height; row++) {
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for(column = 0; column < image_width; column++) {
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switch(*(pixelbuf + (image_width * (image_height - row - 1)) + (image_width - column - 1)))
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{
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case '1':
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symbol->bitmap[i++] = fgred;
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symbol->bitmap[i++] = fggrn;
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symbol->bitmap[i++] = fgblu;
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break;
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default:
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symbol->bitmap[i++] = bgred;
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symbol->bitmap[i++] = bggrn;
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symbol->bitmap[i++] = bgblu;
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break;
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}
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}
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}
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break;
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case 270: /* Plot 90 degrees anti-clockwise */
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for(row = 0; row < image_width; row++) {
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for(column = 0; column < image_height; column++) {
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switch(*(pixelbuf + (image_width * column) + (image_width - row - 1)))
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{
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case '1':
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symbol->bitmap[i++] = fgred;
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symbol->bitmap[i++] = fggrn;
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symbol->bitmap[i++] = fgblu;
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break;
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default:
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symbol->bitmap[i++] = bgred;
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symbol->bitmap[i++] = bggrn;
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symbol->bitmap[i++] = bgblu;
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break;
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}
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}
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}
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break;
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}
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return 0;
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}
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int png_to_file(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle, int image_type)
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{
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int error_number;
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float scaler = symbol->scale;
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char *scaled_pixelbuf;
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int horiz, vert, i;
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int scale_width, scale_height;
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if(scaler == 0) { scaler = 0.5; }
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scale_width = image_width * scaler;
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scale_height = image_height * scaler;
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/* Apply scale options by creating another pixel buffer */
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if (!(scaled_pixelbuf = (char *) malloc(scale_width * scale_height))) {
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printf("Insufficient memory for pixel buffer");
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return ERROR_ENCODING_PROBLEM;
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} else {
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for(i = 0; i < (scale_width * scale_height); i++) {
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*(scaled_pixelbuf + i) = '0';
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}
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}
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for(vert = 0; vert < scale_height; vert++) {
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for(horiz = 0; horiz < scale_width; horiz++) {
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*(scaled_pixelbuf + (vert * scale_width) + horiz) = *(pixelbuf + ((int)(vert / scaler) * image_width) + (int)(horiz / scaler));
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}
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}
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if(image_type == PNG_DATA) {
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#ifndef NO_PNG
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error_number = png_pixel_plot(symbol, scale_height, scale_width, scaled_pixelbuf, rotate_angle);
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#else
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return ERROR_INVALID_OPTION;
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#endif
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} else {
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error_number = bmp_pixel_plot(symbol, scale_height, scale_width, scaled_pixelbuf, rotate_angle);
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}
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free(scaled_pixelbuf);
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return error_number;
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}
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void draw_bar(char *pixelbuf, int xpos, int xlen, int ypos, int ylen, int image_width, int image_height)
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{
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/* Draw a rectangle */
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int i, j, png_ypos;
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png_ypos = image_height - ypos - ylen;
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/* This fudge is needed because EPS measures height from the bottom up but
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PNG measures y position from the top down */
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|
|
for(i = (xpos); i < (xpos + xlen); i++) {
|
|
for( j = (png_ypos); j < (png_ypos + ylen); j++) {
|
|
*(pixelbuf + (image_width * j) + i) = '1';
|
|
}
|
|
}
|
|
}
|
|
|
|
int bullseye_pixel(int row, int col) {
|
|
int block_val, block_pos, return_val;
|
|
|
|
block_val = bullseye_compressed[(row * 12) + (col / 8)];
|
|
return_val = 0;
|
|
block_pos = col % 8;
|
|
|
|
switch(block_pos) {
|
|
case 0: if((block_val & 0x80) != 0) { return_val = 1; } break;
|
|
case 1: if((block_val & 0x40) != 0) { return_val = 1; } break;
|
|
case 2: if((block_val & 0x20) != 0) { return_val = 1; } break;
|
|
case 3: if((block_val & 0x10) != 0) { return_val = 1; } break;
|
|
case 4: if((block_val & 0x08) != 0) { return_val = 1; } break;
|
|
case 5: if((block_val & 0x04) != 0) { return_val = 1; } break;
|
|
case 6: if((block_val & 0x02) != 0) { return_val = 1; } break;
|
|
case 7: if((block_val & 0x01) != 0) { return_val = 1; } break;
|
|
}
|
|
|
|
return return_val;
|
|
}
|
|
|
|
void draw_bullseye(char *pixelbuf, int image_width, int xoffset, int yoffset)
|
|
{
|
|
/* Central bullseye in Maxicode symbols */
|
|
int i, j;
|
|
|
|
for(j = 103; j < 196; j++) {
|
|
for(i = 0; i < 93; i++) {
|
|
if(bullseye_pixel(j - 103, i)) {
|
|
/* if(bullseye[(((j - 103) * 93) + i)] == 1) { */
|
|
*(pixelbuf + (image_width * j) + (image_width * yoffset) + i + 99 + xoffset) = '1';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void draw_hexagon(char *pixelbuf, int image_width, int xposn, int yposn)
|
|
{
|
|
/* Put a hexagon into the pixel buffer */
|
|
int i, j;
|
|
|
|
for(i = 0; i < 12; i++) {
|
|
for(j = 0; j < 10; j++) {
|
|
if(hexagon[(i * 10) + j] == 1) {
|
|
*(pixelbuf + (image_width * i) + (image_width * yposn) + xposn + j) = '1';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void draw_letter(char *pixelbuf, unsigned char letter, int xposn, int yposn, int smalltext, int image_width, int image_height)
|
|
{
|
|
/* Put a letter into a position */
|
|
int skip, i, j, glyph_no, alphabet;
|
|
|
|
skip = 0;
|
|
alphabet = 0;
|
|
|
|
if(letter < 33) { skip = 1; }
|
|
if((letter > 127) && (letter < 161)) { skip = 1; }
|
|
|
|
if(skip == 0) {
|
|
if(letter > 128) {
|
|
alphabet = 1;
|
|
glyph_no = letter - 161;
|
|
} else {
|
|
glyph_no = letter - 33;
|
|
}
|
|
|
|
if(smalltext) {
|
|
for(i = 0; i <= 8; i++) {
|
|
for(j = 0; j < 5; j++) {
|
|
if(alphabet == 0) {
|
|
if(small_font[(glyph_no * 5) + (i * 475) + j - 1] == 1) {
|
|
*(pixelbuf + (i * image_width) + (yposn * image_width) + xposn + j) = '1';
|
|
}
|
|
} else {
|
|
if(small_font_extended[(glyph_no * 5) + (i * 475) + j - 1] == 1) {
|
|
*(pixelbuf + (i * image_width) + (yposn * image_width) + xposn + j) = '1';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for(i = 0; i <= 13; i++) {
|
|
for(j = 0; j < 7 ; j++) {
|
|
if(alphabet == 0) {
|
|
if(ascii_font[(glyph_no * 7) + (i * 665) + j - 1] == 1) {
|
|
*(pixelbuf + (i * image_width) + (yposn * image_width) + xposn + j) = '1';
|
|
}
|
|
} else {
|
|
if(ascii_ext_font[(glyph_no * 7) + (i * 665) + j - 1] == 1) {
|
|
*(pixelbuf + (i * image_width) + (yposn * image_width) + xposn + j) = '1';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void draw_string(char *pixbuf, char input_string[], int xposn, int yposn, int smalltext, int image_width, int image_height)
|
|
{
|
|
/* Plot a string into the pixel buffer */
|
|
int i, string_length, string_left_hand;
|
|
|
|
string_length = strlen(input_string);
|
|
string_left_hand = xposn - ((7 * string_length) / 2);
|
|
|
|
for(i = 0; i < string_length; i++) {
|
|
draw_letter(pixbuf, input_string[i], string_left_hand + (i * 7), yposn, smalltext, image_width, image_height);
|
|
}
|
|
|
|
}
|
|
|
|
int maxi_png_plot(struct zint_symbol *symbol, int rotate_angle, int data_type)
|
|
{
|
|
int i, row, column, xposn, yposn;
|
|
int image_height, image_width;
|
|
char *pixelbuf;
|
|
int error_number;
|
|
int xoffset, yoffset;
|
|
|
|
xoffset = symbol->border_width + symbol->whitespace_width;
|
|
yoffset = symbol->border_width;
|
|
image_width = 300 + (2 * xoffset * 2);
|
|
image_height = 300 + (2 * yoffset * 2);
|
|
|
|
if (!(pixelbuf = (char *) malloc(image_width * image_height))) {
|
|
printf("Insifficient memory for pixel buffer");
|
|
return ERROR_ENCODING_PROBLEM;
|
|
} else {
|
|
for(i = 0; i < (image_width * image_height); i++) {
|
|
*(pixelbuf + i) = '0';
|
|
}
|
|
}
|
|
|
|
draw_bullseye(pixelbuf, image_width, (2 * xoffset), (2 * yoffset));
|
|
|
|
for(row = 0; row < symbol->rows; row++) {
|
|
yposn = row * 9;
|
|
for(column = 0; column < symbol->width; column++) {
|
|
xposn = column * 10;
|
|
if(module_is_set(symbol, row, column)) {
|
|
if(row & 1) {
|
|
/* Odd (reduced) row */
|
|
xposn += 5;
|
|
draw_hexagon(pixelbuf, image_width, xposn + (2 * xoffset), yposn + (2 * yoffset));
|
|
} else {
|
|
/* Even (full) row */
|
|
draw_hexagon(pixelbuf, image_width, xposn + (2 * xoffset), yposn + (2 * yoffset));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
|
|
/* boundary bars */
|
|
draw_bar(pixelbuf, 0, image_width, 0, symbol->border_width * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, 0, image_width, 300 + (symbol->border_width * 2), symbol->border_width * 2, image_width, image_height);
|
|
}
|
|
|
|
if((symbol->output_options & BARCODE_BOX) != 0) {
|
|
/* side bars */
|
|
draw_bar(pixelbuf, 0, symbol->border_width * 2, 0, image_height, image_width, image_height);
|
|
draw_bar(pixelbuf, 300 + ((symbol->border_width + symbol->whitespace_width + symbol->whitespace_width) * 2), symbol->border_width * 2, 0, image_height, image_width, image_height);
|
|
}
|
|
|
|
error_number=png_to_file(symbol, image_height, image_width, pixelbuf, rotate_angle, data_type);
|
|
free(pixelbuf);
|
|
return error_number;
|
|
}
|
|
|
|
void to_latin1(unsigned char source[], unsigned char preprocessed[])
|
|
{
|
|
int j, i, input_length;
|
|
|
|
input_length = ustrlen(source);
|
|
|
|
j = 0;
|
|
i = 0;
|
|
do {
|
|
if(source[i] < 128) {
|
|
preprocessed[j] = source[i];
|
|
j++;
|
|
i++;
|
|
} else {
|
|
if(source[i] == 0xC2) {
|
|
preprocessed[j] = source[i + 1];
|
|
j++;
|
|
i += 2;
|
|
}
|
|
if(source[i] == 0xC3) {
|
|
preprocessed[j] = source[i + 1] + 64;
|
|
j++;
|
|
i += 2;
|
|
}
|
|
}
|
|
} while (i < input_length);
|
|
preprocessed[j] = '\0';
|
|
|
|
return;
|
|
}
|
|
|
|
int png_plot(struct zint_symbol *symbol, int rotate_angle, int data_type)
|
|
{
|
|
int textdone, main_width, comp_offset, large_bar_count;
|
|
char textpart[10], addon[6];
|
|
float addon_text_posn, preset_height, large_bar_height;
|
|
int i, r, textoffset, yoffset, xoffset, latch, image_width, image_height;
|
|
char *pixelbuf;
|
|
int addon_latch = 0, smalltext = 0;
|
|
int this_row, block_width, plot_height, plot_yposn, textpos;
|
|
float row_height, row_posn;
|
|
int error_number;
|
|
int default_text_posn;
|
|
int next_yposn;
|
|
#ifndef _MSC_VER
|
|
unsigned char local_text[ustrlen(symbol->text) + 1];
|
|
#else
|
|
unsigned char* local_text = (unsigned char*)_alloca(ustrlen(symbol->text) + 1);
|
|
#endif
|
|
|
|
if(symbol->show_hrt != 0) {
|
|
to_latin1(symbol->text, local_text);
|
|
} else {
|
|
local_text[0] = '\0';
|
|
}
|
|
|
|
textdone = 0;
|
|
main_width = symbol->width;
|
|
strcpy(addon, "");
|
|
comp_offset = 0;
|
|
addon_text_posn = 0.0;
|
|
row_height = 0;
|
|
if(symbol->output_options & SMALL_TEXT) {
|
|
smalltext = 1;
|
|
}
|
|
|
|
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++;
|
|
}
|
|
}
|
|
|
|
if (large_bar_count == 0) {
|
|
symbol->height = preset_height;
|
|
large_bar_height = 10;
|
|
} else {
|
|
large_bar_height = (symbol->height - preset_height) / large_bar_count;
|
|
}
|
|
|
|
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(local_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(local_text); i++) {
|
|
if (latch == 1) {
|
|
addon[r] = local_text[i];
|
|
r++;
|
|
}
|
|
if (symbol->text[i] == '+') {
|
|
latch = 1;
|
|
}
|
|
}
|
|
}
|
|
addon[r] = '\0';
|
|
|
|
if(ustrlen(local_text) != 0) {
|
|
textoffset = 9;
|
|
} else {
|
|
textoffset = 0;
|
|
}
|
|
xoffset = symbol->border_width + symbol->whitespace_width;
|
|
yoffset = symbol->border_width;
|
|
image_width = 2 * (symbol->width + xoffset + xoffset);
|
|
image_height = 2 * (symbol->height + textoffset + yoffset + yoffset);
|
|
|
|
if (!(pixelbuf = (char *) malloc(image_width * image_height))) {
|
|
printf("Insufficient memory for pixel buffer");
|
|
return ERROR_ENCODING_PROBLEM;
|
|
} else {
|
|
for(i = 0; i < (image_width * image_height); i++) {
|
|
*(pixelbuf + i) = '0';
|
|
}
|
|
}
|
|
|
|
if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
|
|
default_text_posn = image_height - 17;
|
|
} else {
|
|
default_text_posn = image_height - 17 - symbol->border_width - symbol->border_width;
|
|
}
|
|
|
|
row_posn = textoffset + yoffset;
|
|
next_yposn = textoffset + yoffset;
|
|
row_height = 0;
|
|
|
|
/* Plot the body of the symbol to the pixel buffer */
|
|
for(r = 0; r < symbol->rows; r++) {
|
|
this_row = symbol->rows - r - 1; /* invert r otherwise plots upside down */
|
|
row_posn += row_height;
|
|
plot_yposn = next_yposn;
|
|
if(symbol->row_height[this_row] == 0) {
|
|
row_height = large_bar_height;
|
|
} else {
|
|
row_height = symbol->row_height[this_row];
|
|
}
|
|
next_yposn = (int)(row_posn + row_height);
|
|
plot_height = next_yposn - plot_yposn;
|
|
|
|
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)) {
|
|
plot_height = (int)(row_height - 5.0);
|
|
plot_yposn = (int)(row_posn - 5.0);
|
|
addon_text_posn = row_posn + row_height - 8.0;
|
|
addon_latch = 1;
|
|
}
|
|
if(latch == 1) {
|
|
/* a bar */
|
|
draw_bar(pixelbuf, (i + xoffset) * 2, block_width * 2, plot_yposn * 2, plot_height * 2, image_width, image_height);
|
|
latch = 0;
|
|
} else {
|
|
/* a space */
|
|
latch = 1;
|
|
}
|
|
i += block_width;
|
|
|
|
} while (i < symbol->width);
|
|
}
|
|
|
|
xoffset += comp_offset;
|
|
|
|
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(local_text)) {
|
|
case 8: /* EAN-8 */
|
|
case 11:
|
|
case 14:
|
|
draw_bar(pixelbuf, (0 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (2 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (32 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (34 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (64 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (66 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
for(i = 0; i < 4; i++) {
|
|
textpart[i] = symbol->text[i];
|
|
}
|
|
textpart[4] = '\0';
|
|
textpos = 2 * (17 + xoffset);
|
|
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
for(i = 0; i < 4; i++) {
|
|
textpart[i] = symbol->text[i + 4];
|
|
}
|
|
textpart[4] = '\0';
|
|
textpos = 2 * (50 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
textdone = 1;
|
|
switch(strlen(addon)) {
|
|
case 2:
|
|
textpos = 2 * (xoffset + 86);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
break;
|
|
case 5:
|
|
textpos = 2 * (xoffset + 100);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case 13: /* EAN 13 */
|
|
case 16:
|
|
case 19:
|
|
draw_bar(pixelbuf, (0 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (2 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (46 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (48 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (92 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (94 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
|
|
textpart[0] = symbol->text[0];
|
|
textpart[1] = '\0';
|
|
textpos = 2 * (-7 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
for(i = 0; i < 6; i++) {
|
|
textpart[i] = symbol->text[i + 1];
|
|
}
|
|
textpart[6] = '\0';
|
|
textpos = 2 * (24 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
for(i = 0; i < 6; i++) {
|
|
textpart[i] = symbol->text[i + 7];
|
|
}
|
|
textpart[6] = '\0';
|
|
textpos = 2 * (71 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
textdone = 1;
|
|
switch(strlen(addon)) {
|
|
case 2:
|
|
textpos = 2 * (xoffset + 114);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
break;
|
|
case 5:
|
|
textpos = 2 * (xoffset + 128);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
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 (module_is_set(symbol, symbol->rows - 1, i + block_width) == module_is_set(symbol, symbol->rows - 1, i));
|
|
if(latch == 1) {
|
|
/* a bar */
|
|
draw_bar(pixelbuf, (i + xoffset - comp_offset) * 2, block_width * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
latch = 0;
|
|
} else {
|
|
/* a space */
|
|
latch = 1;
|
|
}
|
|
i += block_width;
|
|
} while (i < 11 + comp_offset);
|
|
draw_bar(pixelbuf, (46 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (48 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
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 */
|
|
draw_bar(pixelbuf, (i + xoffset - comp_offset) * 2, block_width * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
latch = 0;
|
|
} else {
|
|
/* a space */
|
|
latch = 1;
|
|
}
|
|
i += block_width;
|
|
} while (i < 96 + comp_offset);
|
|
textpart[0] = symbol->text[0];
|
|
textpart[1] = '\0';
|
|
textpos = 2 * (-5 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
for(i = 0; i < 5; i++) {
|
|
textpart[i] = symbol->text[i + 1];
|
|
}
|
|
textpart[5] = '\0';
|
|
textpos = 2 * (27 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
for(i = 0; i < 5; i++) {
|
|
textpart[i] = symbol->text[i + 6];
|
|
}
|
|
textpart[6] = '\0';
|
|
textpos = 2 * (68 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
textpart[0] = symbol->text[11];
|
|
textpart[1] = '\0';
|
|
textpos = 2 * (100 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
textdone = 1;
|
|
switch(strlen(addon)) {
|
|
case 2:
|
|
textpos = 2 * (xoffset + 116);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
break;
|
|
case 5:
|
|
textpos = 2 * (xoffset + 130);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if (((symbol->symbology == BARCODE_UPCE) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCE_CC)) {
|
|
/* guard bar extensions and text formatting for UPCE */
|
|
draw_bar(pixelbuf, (0 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (2 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (46 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (48 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (50 + xoffset) * 2, 1 * 2, (4 + (int)yoffset) * 2, 5 * 2, image_width, image_height);
|
|
|
|
textpart[0] = symbol->text[0];
|
|
textpart[1] = '\0';
|
|
textpos = 2 * (-5 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
for(i = 0; i < 6; i++) {
|
|
textpart[i] = symbol->text[i + 1];
|
|
}
|
|
textpart[6] = '\0';
|
|
textpos = 2 * (24 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
textpart[0] = symbol->text[7];
|
|
textpart[1] = '\0';
|
|
textpos = 2 * (55 + xoffset);
|
|
draw_string(pixelbuf, textpart, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
textdone = 1;
|
|
switch(strlen(addon)) {
|
|
case 2:
|
|
textpos = 2 * (xoffset + 70);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
break;
|
|
case 5:
|
|
textpos = 2 * (xoffset + 84);
|
|
draw_string(pixelbuf, addon, textpos, image_height - (addon_text_posn * 2) - 13, smalltext, image_width, image_height);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
xoffset -= comp_offset;
|
|
|
|
/* Put boundary bars or box around symbol */
|
|
if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
|
|
/* boundary bars */
|
|
draw_bar(pixelbuf, 0, (symbol->width + xoffset + xoffset) * 2, textoffset * 2, symbol->border_width * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, 0, (symbol->width + xoffset + xoffset) * 2, (textoffset + symbol->height + symbol->border_width) * 2, symbol->border_width * 2, image_width, image_height);
|
|
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++) {
|
|
draw_bar(pixelbuf, xoffset * 2, symbol->width * 2, ((r * row_height) + textoffset + yoffset - 1) * 2, 2 * 2, image_width, image_height);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if((symbol->output_options & BARCODE_BOX) != 0) {
|
|
/* side bars */
|
|
draw_bar(pixelbuf, 0, symbol->border_width * 2, textoffset * 2, (symbol->height + (2 * symbol->border_width)) * 2, image_width, image_height);
|
|
draw_bar(pixelbuf, (symbol->width + xoffset + xoffset - symbol->border_width) * 2, symbol->border_width * 2, textoffset * 2, (symbol->height + (2 * symbol->border_width)) * 2, image_width, image_height);
|
|
}
|
|
|
|
/* Put the human readable text at the bottom */
|
|
if((textdone == 0) && (ustrlen(local_text) != 0)) {
|
|
textpos = (image_width / 2);
|
|
draw_string(pixelbuf, (char*)local_text, textpos, default_text_posn, smalltext, image_width, image_height);
|
|
}
|
|
|
|
error_number=png_to_file(symbol, image_height, image_width, pixelbuf, rotate_angle, data_type);
|
|
free(pixelbuf);
|
|
return error_number;
|
|
}
|
|
|
|
#ifndef NO_PNG
|
|
int png_handle(struct zint_symbol *symbol, int rotate_angle)
|
|
{
|
|
int error;
|
|
|
|
if(symbol->symbology == BARCODE_MAXICODE) {
|
|
error = maxi_png_plot(symbol, rotate_angle, PNG_DATA);
|
|
} else {
|
|
|
|
error = png_plot(symbol, rotate_angle, PNG_DATA);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
#endif /* NO_PNG */
|
|
|
|
int bmp_handle(struct zint_symbol *symbol, int rotate_angle)
|
|
{
|
|
int error;
|
|
|
|
if(symbol->symbology == BARCODE_MAXICODE) {
|
|
error = maxi_png_plot(symbol, rotate_angle, BMP_DATA);
|
|
} else {
|
|
error = png_plot(symbol, rotate_angle, BMP_DATA);
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|