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Add ZSoft PCX image file output

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This commit is contained in:
Robin Stuart 2016-07-23 15:08:55 +01:00
parent 7e3a56815f
commit babeaec41d
6 changed files with 343 additions and 7 deletions
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2
backend/CMakeLists.txt
View File

@ -8,7 +8,7 @@ set(zint_COMMON_SRCS common.c library.c render.c large.c reedsol.c gs1.c)
set(zint_ONEDIM_SRCS code.c code128.c 2of5.c upcean.c telepen.c medical.c plessey.c rss.c)
set(zint_POSTAL_SRCS postal.c auspost.c imail.c)
set(zint_TWODIM_SRCS code16k.c dmatrix.c pdf417.c qr.c maxicode.c composite.c aztec.c code49.c code1.c gridmtx.c hanxin.c)
set(zint_OUTPUT_SRCS render.c ps.c svg.c bmp.c png.c raster.c)
set(zint_OUTPUT_SRCS render.c ps.c svg.c bmp.c pcx.c png.c raster.c)
set(zint_SRCS ${zint_OUTPUT_SRCS} ${zint_COMMON_SRCS} ${zint_ONEDIM_SRCS} ${zint_POSTAL_SRCS} ${zint_TWODIM_SRCS})
if(PNG_FOUND)

6
backend/library.c
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@ -949,6 +949,12 @@ int ZBarcode_Print(struct zint_symbol *symbol, int rotate_angle) {
symbol->text[0] = '\0';
}
error_number = plot_raster(symbol, rotate_angle, OUT_BMP_FILE);
} else
if (!(strcmp(output, "PCX"))) {
if (symbol->scale < 1.0) {
symbol->text[0] = '\0';
}
error_number = plot_raster(symbol, rotate_angle, OUT_PCX_FILE);
} else
if (!(strcmp(output, "TXT"))) {
error_number = dump_plot(symbol);

255
backend/pcx.c Normal file
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@ -0,0 +1,255 @@
/* pcx.c - Handles output to ZSoft PCX file */
/*
libzint - the open source barcode library
Copyright (C) 2009-2016 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common.h"
#include "pcx.h" /* PCX header structure */
#include <math.h>
#define SSET "0123456789ABCDEF"
int pcx_pixel_plot(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle) {
int fgred, fggrn, fgblu, bgred, bggrn, bgblu;
int errno;
int row, column, i;
int run_count, sub_block;
char pixel_colour;
FILE *pcx_file;
#ifndef _MSC_VER
char rotated_bitmap[image_height * image_width];
#else
char* rotated_bitmap = (char *) _alloca((image_height * image_width) * sizeof(char));
#endif /* _MSC_VER */
switch (rotate_angle) {
case 0:
case 180:
symbol->bitmap_width = image_width;
symbol->bitmap_height = image_height;
break;
case 90:
case 270:
symbol->bitmap_width = image_height;
symbol->bitmap_height = image_width;
break;
}
#ifndef _MSC_VER
unsigned char rle_row[symbol->bitmap_width * 6];
#else
unsignd char* rle_row = (unsigned char *) _alloca((symbol->bitmap_width * 6) * sizeof(unsigned char));
#endif /* _MSC_VER */
/* 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 ZINT_ERROR_INVALID_OPTION;
}
if (strlen(symbol->bgcolour) != 6) {
strcpy(symbol->errtxt, "Malformed background colour target");
return ZINT_ERROR_INVALID_OPTION;
}
errno = is_sane(SSET, (unsigned char*) symbol->fgcolour, strlen(symbol->fgcolour));
if (errno == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Malformed foreground colour target");
return ZINT_ERROR_INVALID_OPTION;
}
errno = is_sane(SSET, (unsigned char*) symbol->bgcolour, strlen(symbol->fgcolour));
if (errno == ZINT_ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Malformed background colour target");
return ZINT_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]);
/* Rotate image before plotting */
switch (rotate_angle) {
case 0: /* Plot the right way up */
for (row = 0; row < image_height; row++) {
for (column = 0; column < image_width; column++) {
rotated_bitmap[(row * image_width) + column] =
*(pixelbuf + (image_width * row) + column);
}
}
break;
case 90: /* Plot 90 degrees clockwise */
for (row = 0; row < image_width; row++) {
for (column = 0; column < image_height; column++) {
rotated_bitmap[(row * image_width) + column] =
*(pixelbuf + (image_width * (image_height - column - 1)) + row);
}
}
break;
case 180: /* Plot upside down */
for (row = 0; row < image_height; row++) {
for (column = 0; column < image_width; column++) {
rotated_bitmap[(row * image_width) + column] =
*(pixelbuf + (image_width * (image_height - row - 1)) + (image_width - column - 1));
}
}
break;
case 270: /* Plot 90 degrees anti-clockwise */
for (row = 0; row < image_width; row++) {
for (column = 0; column < image_height; column++) {
rotated_bitmap[(row * image_width) + column] =
*(pixelbuf + (image_width * column) + (image_width - row - 1));
}
}
break;
}
pcx_header_t header;
header.manufacturer = 10; // ZSoft
header.version = 5; // Version 3.0
header.encoding = 1; // Run length encoding
header.bits_per_pixel = 8;
header.window_xmin = 0;
header.window_ymin = 0;
header.window_xmax = symbol->bitmap_width - 1;
header.window_ymax = symbol->bitmap_height - 1;
header.horiz_dpi = 300;
header.vert_dpi = 300;
for(i = 0; i < 48; i++) {
header.colourmap[i] = 0x00;
}
header.reserved = 0;
header.number_of_planes = 3;
if (symbol->bitmap_width % 2) {
header.bytes_per_line = symbol->bitmap_width + 1;
} else {
header.bytes_per_line = symbol->bitmap_width;
}
header.palette_info = 1; // Colour
header.horiz_screen_size = 0;
header.vert_screen_size = 0;
for(i = 0; i < 54; i++) {
header.filler[i] = 0x00;
}
/* Open output file in binary mode */
if ((symbol->output_options & BARCODE_STDOUT) != 0) {
#ifdef _MSC_VER
if (-1 == _setmode(_fileno(stdout), _O_BINARY)) {
strcpy(symbol->errtxt, "Can't open output file");
return ZINT_ERROR_FILE_ACCESS;
}
#endif
pcx_file = stdout;
} else {
if (!(pcx_file = fopen(symbol->outfile, "wb"))) {
strcpy(symbol->errtxt, "Can't open output file");
return ZINT_ERROR_FILE_ACCESS;
}
}
fwrite(&header, sizeof(pcx_header_t), 1, pcx_file);
for(row = 0; row < symbol->bitmap_height; row++) {
run_count = 1;
sub_block = 0;
for(column = 1; column < symbol->bitmap_width; column++) {
if ((rotated_bitmap[(row * image_width) + column - 1]
== rotated_bitmap[(row * image_width) + column])
&& (run_count < 63)) {
run_count++;
} else {
pixel_colour = rotated_bitmap[(row * image_width) + column - 1];
rle_row[(sub_block * 2)] = run_count + 0xc0;
rle_row[(sub_block * 2) + (2 * symbol->bitmap_width)] = run_count + 0xc0;
rle_row[(sub_block * 2) + (4 * symbol->bitmap_width)] = run_count + 0xc0;
if (pixel_colour == '1') {
rle_row[(sub_block * 2) + 1] = fgred;
rle_row[(sub_block * 2) + (2 * symbol->bitmap_width) + 1] = fggrn;
rle_row[(sub_block * 2) + (4 * symbol->bitmap_width) + 1] = fgblu;
} else {
rle_row[(sub_block * 2) + 1] = bgred;
rle_row[(sub_block * 2) + (2 * symbol->bitmap_width) + 1] = bggrn;
rle_row[(sub_block * 2) + (4 * symbol->bitmap_width) + 1] = bgblu;
}
sub_block++;
run_count = 1;
}
}
if (run_count > 1) {
pixel_colour = rotated_bitmap[(row * image_width) + column - 1];
rle_row[(sub_block * 2)] = run_count + 0xc0;
rle_row[(sub_block * 2) + (2 * symbol->bitmap_width)] = run_count + 0xc0;
rle_row[(sub_block * 2) + (4 * symbol->bitmap_width)] = run_count + 0xc0;
if (pixel_colour == '1') {
rle_row[(sub_block * 2) + 1] = fgred;
rle_row[(sub_block * 2) + (2 * symbol->bitmap_width) + 1] = fggrn;
rle_row[(sub_block * 2) + (4 * symbol->bitmap_width) + 1] = fgblu;
} else {
rle_row[(sub_block * 2) + 1] = bgred;
rle_row[(sub_block * 2) + (2 * symbol->bitmap_width) + 1] = bggrn;
rle_row[(sub_block * 2) + (4 * symbol->bitmap_width) + 1] = bgblu;
}
sub_block++;
}
for (i = 0; i < (sub_block * 2); i++) {
fputc(rle_row[i], pcx_file);
}
for (i = 0; i < (sub_block * 2); i++) {
fputc(rle_row[i + (2 * symbol->bitmap_width)], pcx_file);
}
for (i = 0; i < (sub_block * 2); i++) {
fputc(rle_row[i + (4 * symbol->bitmap_width)], pcx_file);
}
}
fclose(pcx_file);
return 0;
}

67
backend/pcx.h Normal file
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@ -0,0 +1,67 @@
/* pcx.h - header structure for ZSoft PCX files
libzint - the open source barcode library
Copyright (C) 2016 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
#ifndef PCX_H
#define PCX_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
typedef struct pcx_header {
uint8_t manufacturer;
uint8_t version;
uint8_t encoding;
uint8_t bits_per_pixel;
uint16_t window_xmin;
uint16_t window_ymin;
uint16_t window_xmax;
uint16_t window_ymax;
uint16_t horiz_dpi;
uint16_t vert_dpi;
uint8_t colourmap[48];
uint8_t reserved;
uint8_t number_of_planes;
uint16_t bytes_per_line;
uint16_t palette_info;
uint16_t horiz_screen_size;
uint16_t vert_screen_size;
uint8_t filler[54];
} __attribute__((__packed__ )) pcx_header_t;
#ifdef __cplusplus
}
#endif
#endif /* PCX_H */

12
backend/raster.c
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@ -50,7 +50,7 @@
extern int png_pixel_plot(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle);
#endif /* NO_PNG */
extern int bmp_pixel_plot(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle);
extern int pcx_pixel_plot(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle);
int save_raster_image_to_file(struct zint_symbol *symbol, int image_height, int image_width, char *pixelbuf, int rotate_angle, int image_type) {
int error_number;
@ -81,14 +81,20 @@ int save_raster_image_to_file(struct zint_symbol *symbol, int image_height, int
}
}
if (image_type == OUT_PNG_FILE) {
switch(image_type) {
case OUT_PNG_FILE:
#ifndef NO_PNG
error_number = png_pixel_plot(symbol, scale_height, scale_width, scaled_pixelbuf, rotate_angle);
#else
return ZINT_ERROR_INVALID_OPTION;
#endif
} else {
break;
case OUT_PCX_FILE:
error_number = pcx_pixel_plot(symbol, scale_height, scale_width, scaled_pixelbuf, rotate_angle);
break;
default:
error_number = bmp_pixel_plot(symbol, scale_height, scale_width, scaled_pixelbuf, rotate_angle);
break;
}
free(scaled_pixelbuf);

2
backend/zint.h
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@ -228,6 +228,8 @@ extern "C" {
// Raster file types
#define OUT_PNG_FILE 100
#define OUT_BMP_FILE 120
#define OUT_GIF_FILE 140
#define OUT_PCX_FILE 160
#if defined(__WIN32__) || defined(_WIN32) || defined(WIN32) || defined(_MSC_VER)
#if defined (DLL_EXPORT) || defined(PIC) || defined(_USRDLL)