| /** |
| * qrencode - QR Code encoder |
| * |
| * QR Code encoding tool |
| * Copyright (C) 2006-2013 Kentaro Fukuchi <kentaro@fukuchi.org> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #if HAVE_CONFIG_H |
| # include "config.h" |
| #endif |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <png.h> |
| #include <getopt.h> |
| #include <fcntl.h> |
| #include <io.h> |
| |
| #include "qrencode.h" |
| |
| #define INCHES_PER_METER (100.0/2.54) |
| |
| static int casesensitive = 1; |
| static int eightbit = 0; |
| static int version = 0; |
| static int size = 3; |
| static int margin = -1; |
| static int dpi = 72; |
| static int structured = 0; |
| static int rle = 0; |
| static int micro = 0; |
| static QRecLevel level = QR_ECLEVEL_L; |
| static QRencodeMode hint = QR_MODE_8; |
| static unsigned int fg_color[4] = {0, 0, 0, 255}; |
| static unsigned int bg_color[4] = {255, 255, 255, 255}; |
| |
| static int verbose = 0; |
| |
| enum imageType { |
| PNG_TYPE, |
| EPS_TYPE, |
| SVG_TYPE, |
| ANSI_TYPE, |
| ANSI256_TYPE, |
| ASCII_TYPE, |
| ASCIIi_TYPE, |
| UTF8_TYPE, |
| ANSIUTF8_TYPE |
| }; |
| |
| static enum imageType image_type = PNG_TYPE; |
| |
| static const struct option options[] = { |
| {"help" , no_argument , NULL, 'h'}, |
| {"output" , required_argument, NULL, 'o'}, |
| {"level" , required_argument, NULL, 'l'}, |
| {"size" , required_argument, NULL, 's'}, |
| {"symversion" , required_argument, NULL, 'v'}, |
| {"margin" , required_argument, NULL, 'm'}, |
| {"dpi" , required_argument, NULL, 'd'}, |
| {"type" , required_argument, NULL, 't'}, |
| {"structured" , no_argument , NULL, 'S'}, |
| {"kanji" , no_argument , NULL, 'k'}, |
| {"casesensitive", no_argument , NULL, 'c'}, |
| {"ignorecase" , no_argument , NULL, 'i'}, |
| {"8bit" , no_argument , NULL, '8'}, |
| {"rle" , no_argument , &rle, 1}, |
| {"micro" , no_argument , NULL, 'M'}, |
| {"foreground" , required_argument, NULL, 'f'}, |
| {"background" , required_argument, NULL, 'b'}, |
| {"version" , no_argument , NULL, 'V'}, |
| {"verbose" , no_argument , &verbose, 1}, |
| {NULL, 0, NULL, 0} |
| }; |
| |
| static char *optstring = "ho:l:s:v:m:d:t:Skci8MV"; |
| |
| static void usage(int help, int longopt) |
| { |
| fprintf(stderr, |
| "qrencode version %s\n" |
| "Copyright (C) 2006-2012 Kentaro Fukuchi\n", QRcode_APIVersionString()); |
| if(help) { |
| if(longopt) { |
| fprintf(stderr, |
| "Usage: qrencode [OPTION]... [STRING]\n" |
| "Encode input data in a QR Code and save as a PNG or EPS image.\n\n" |
| " -h, --help display the help message. -h displays only the help of short\n" |
| " options.\n\n" |
| " -o FILENAME, --output=FILENAME\n" |
| " write image to FILENAME. If '-' is specified, the result\n" |
| " will be output to standard output. If -S is given, structured\n" |
| " symbols are written to FILENAME-01.png, FILENAME-02.png, ...\n" |
| " (suffix is removed from FILENAME, if specified)\n" |
| " -s NUMBER, --size=NUMBER\n" |
| " specify module size in dots (pixels). (default=3)\n\n" |
| " -l {LMQH}, --level={LMQH}\n" |
| " specify error correction level from L (lowest) to H (highest).\n" |
| " (default=L)\n\n" |
| " -v NUMBER, --symversion=NUMBER\n" |
| " specify the version of the symbol. See SYMBOL VERSIONS for more\n" |
| " information. (default=auto)\n\n" |
| " -m NUMBER, --margin=NUMBER\n" |
| " specify the width of the margins. (default=4 (2 for Micro QR)))\n\n" |
| " -d NUMBER, --dpi=NUMBER\n" |
| " specify the DPI of the generated PNG. (default=72)\n\n" |
| " -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}, --type={PNG,EPS,\n" |
| " SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}\n" |
| " specify the type of the generated image. (default=PNG)\n\n" |
| " -S, --structured\n" |
| " make structured symbols. Version must be specified.\n\n" |
| " -k, --kanji assume that the input text contains kanji (shift-jis).\n\n" |
| " -c, --casesensitive\n" |
| " encode lower-case alphabet characters in 8-bit mode. (default)\n\n" |
| " -i, --ignorecase\n" |
| " ignore case distinctions and use only upper-case characters.\n\n" |
| " -8, --8bit encode entire data in 8-bit mode. -k, -c and -i will be ignored.\n\n" |
| " --rle enable run-length encoding for SVG.\n\n" |
| " -M, --micro encode in a Micro QR Code. (experimental)\n\n" |
| " --foreground=RRGGBB[AA]\n" |
| " --background=RRGGBB[AA]\n" |
| " specify foreground/background color in hexadecimal notation.\n" |
| " 6-digit (RGB) or 8-digit (RGBA) form are supported.\n" |
| " Color output support available only in PNG and SVG.\n" |
| " -V, --version\n" |
| " display the version number and copyrights of the qrencode.\n\n" |
| " --verbose\n" |
| " display verbose information to stderr.\n\n" |
| " [STRING] input data. If it is not specified, data will be taken from\n" |
| " standard input.\n\n" |
| "*SYMBOL VERSIONS\n" |
| " The symbol versions of QR Code range from Version 1 to Version\n" |
| " 40. Each version has a different module configuration or number\n" |
| " of modules, ranging from Version 1 (21 x 21 modules) up to\n" |
| " Version 40 (177 x 177 modules). Each higher version number\n" |
| " comprises 4 additional modules per side by default. See\n" |
| " http://www.qrcode.com/en/about/version.html for a detailed\n" |
| " version list.\n" |
| |
| ); |
| } else { |
| fprintf(stderr, |
| "Usage: qrencode [OPTION]... [STRING]\n" |
| "Encode input data in a QR Code and save as a PNG or EPS image.\n\n" |
| " -h display this message.\n" |
| " --help display the usage of long options.\n" |
| " -o FILENAME write image to FILENAME. If '-' is specified, the result\n" |
| " will be output to standard output. If -S is given, structured\n" |
| " symbols are written to FILENAME-01.png, FILENAME-02.png, ...\n" |
| " (suffix is removed from FILENAME, if specified)\n" |
| " -s NUMBER specify module size in dots (pixels). (default=3)\n" |
| " -l {LMQH} specify error correction level from L (lowest) to H (highest).\n" |
| " (default=L)\n" |
| " -v NUMBER specify the version of the symbol. (default=auto)\n" |
| " -m NUMBER specify the width of the margins. (default=4 (2 for Micro))\n" |
| " -d NUMBER specify the DPI of the generated PNG. (default=72)\n" |
| " -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}\n" |
| " specify the type of the generated image. (default=PNG)\n" |
| " -S make structured symbols. Version must be specified.\n" |
| " -k assume that the input text contains kanji (shift-jis).\n" |
| " -c encode lower-case alphabet characters in 8-bit mode. (default)\n" |
| " -i ignore case distinctions and use only upper-case characters.\n" |
| " -8 encode entire data in 8-bit mode. -k, -c and -i will be ignored.\n" |
| " -M encode in a Micro QR Code.\n" |
| " --foreground=RRGGBB[AA]\n" |
| " --background=RRGGBB[AA]\n" |
| " specify foreground/background color in hexadecimal notation.\n" |
| " 6-digit (RGB) or 8-digit (RGBA) form are supported.\n" |
| " Color output support available only in PNG and SVG.\n" |
| " -V display the version number and copyrights of the qrencode.\n" |
| " [STRING] input data. If it is not specified, data will be taken from\n" |
| " standard input.\n" |
| ); |
| } |
| } |
| } |
| |
| static int color_set(unsigned int color[4], const char *value) |
| { |
| int len = strlen(value); |
| int count; |
| if(len == 6) { |
| count = sscanf(value, "%02x%02x%02x%n", &color[0], &color[1], &color[2], &len); |
| if(count < 3 || len != 6) { |
| return -1; |
| } |
| color[3] = 255; |
| } else if(len == 8) { |
| count = sscanf(value, "%02x%02x%02x%02x%n", &color[0], &color[1], &color[2], &color[3], &len); |
| if(count < 4 || len != 8) { |
| return -1; |
| } |
| } else { |
| return -1; |
| } |
| return 0; |
| } |
| |
| #define MAX_DATA_SIZE (7090 * 16) /* from the specification */ |
| static unsigned char *readStdin(int *length) |
| { |
| unsigned char *buffer; |
| int ret; |
| |
| buffer = (unsigned char *)malloc(MAX_DATA_SIZE + 1); |
| if(buffer == NULL) { |
| fprintf(stderr, "Memory allocation failed.\n"); |
| exit(EXIT_FAILURE); |
| } |
| ret = fread(buffer, 1, MAX_DATA_SIZE, stdin); |
| if(ret == 0) { |
| fprintf(stderr, "No input data.\n"); |
| exit(EXIT_FAILURE); |
| } |
| if(feof(stdin) == 0) { |
| fprintf(stderr, "Input data is too large.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| buffer[ret] = '\0'; |
| *length = ret; |
| |
| return buffer; |
| } |
| |
| static FILE *openFile(const char *outfile) |
| { |
| FILE *fp; |
| |
| if(outfile == NULL || (outfile[0] == '-' && outfile[1] == '\0')) { |
| fp = stdout; |
| _setmode(_fileno(stdout), O_BINARY); |
| } else { |
| fp = fopen(outfile, "wb"); |
| if(fp == NULL) { |
| fprintf(stderr, "Failed to create file: %s\n", outfile); |
| perror(NULL); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| return fp; |
| } |
| |
| static int writePNG(QRcode *qrcode, const char *outfile) |
| { |
| static FILE *fp; // avoid clobbering by setjmp. |
| png_structp png_ptr; |
| png_infop info_ptr; |
| png_colorp palette; |
| png_byte alpha_values[2]; |
| unsigned char *row, *p, *q; |
| int x, y, xx, yy, bit; |
| int realwidth; |
| |
| realwidth = (qrcode->width + margin * 2) * size; |
| row = (unsigned char *)malloc((realwidth + 7) / 8); |
| if(row == NULL) { |
| fprintf(stderr, "Failed to allocate memory.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| if(outfile[0] == '-' && outfile[1] == '\0') { |
| fp = stdout; |
| _setmode(_fileno(stdout), O_BINARY); |
| } else { |
| fp = fopen(outfile, "wb"); |
| if(fp == NULL) { |
| fprintf(stderr, "Failed to create file: %s\n", outfile); |
| perror(NULL); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); |
| if(png_ptr == NULL) { |
| fprintf(stderr, "Failed to initialize PNG writer.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| info_ptr = png_create_info_struct(png_ptr); |
| if(info_ptr == NULL) { |
| fprintf(stderr, "Failed to initialize PNG write.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| if(setjmp(png_jmpbuf(png_ptr))) { |
| png_destroy_write_struct(&png_ptr, &info_ptr); |
| fprintf(stderr, "Failed to write PNG image.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| palette = (png_colorp) malloc(sizeof(png_color) * 2); |
| if(palette == NULL) { |
| fprintf(stderr, "Failed to allocate memory.\n"); |
| exit(EXIT_FAILURE); |
| } |
| palette[0].red = fg_color[0]; |
| palette[0].green = fg_color[1]; |
| palette[0].blue = fg_color[2]; |
| palette[1].red = bg_color[0]; |
| palette[1].green = bg_color[1]; |
| palette[1].blue = bg_color[2]; |
| alpha_values[0] = fg_color[3]; |
| alpha_values[1] = bg_color[3]; |
| png_set_PLTE(png_ptr, info_ptr, palette, 2); |
| png_set_tRNS(png_ptr, info_ptr, alpha_values, 2, NULL); |
| |
| png_init_io(png_ptr, fp); |
| png_set_IHDR(png_ptr, info_ptr, |
| realwidth, realwidth, |
| 1, |
| PNG_COLOR_TYPE_PALETTE, |
| PNG_INTERLACE_NONE, |
| PNG_COMPRESSION_TYPE_DEFAULT, |
| PNG_FILTER_TYPE_DEFAULT); |
| png_set_pHYs(png_ptr, info_ptr, |
| dpi * INCHES_PER_METER, |
| dpi * INCHES_PER_METER, |
| PNG_RESOLUTION_METER); |
| png_write_info(png_ptr, info_ptr); |
| |
| /* top margin */ |
| memset(row, 0xff, (realwidth + 7) / 8); |
| for(y=0; y<margin * size; y++) { |
| png_write_row(png_ptr, row); |
| } |
| |
| /* data */ |
| p = qrcode->data; |
| for(y=0; y<qrcode->width; y++) { |
| bit = 7; |
| memset(row, 0xff, (realwidth + 7) / 8); |
| q = row; |
| q += margin * size / 8; |
| bit = 7 - (margin * size % 8); |
| for(x=0; x<qrcode->width; x++) { |
| for(xx=0; xx<size; xx++) { |
| *q ^= (*p & 1) << bit; |
| bit--; |
| if(bit < 0) { |
| q++; |
| bit = 7; |
| } |
| } |
| p++; |
| } |
| for(yy=0; yy<size; yy++) { |
| png_write_row(png_ptr, row); |
| } |
| } |
| /* bottom margin */ |
| memset(row, 0xff, (realwidth + 7) / 8); |
| for(y=0; y<margin * size; y++) { |
| png_write_row(png_ptr, row); |
| } |
| |
| png_write_end(png_ptr, info_ptr); |
| png_destroy_write_struct(&png_ptr, &info_ptr); |
| |
| fclose(fp); |
| free(row); |
| free(palette); |
| |
| return 0; |
| } |
| |
| static int writeEPS(QRcode *qrcode, const char *outfile) |
| { |
| FILE *fp; |
| unsigned char *row, *p; |
| int x, y, yy; |
| int realwidth; |
| |
| fp = openFile(outfile); |
| |
| realwidth = (qrcode->width + margin * 2) * size; |
| /* EPS file header */ |
| fprintf(fp, "%%!PS-Adobe-2.0 EPSF-1.2\n" |
| "%%%%BoundingBox: 0 0 %d %d\n" |
| "%%%%Pages: 1 1\n" |
| "%%%%EndComments\n", realwidth, realwidth); |
| /* draw point */ |
| fprintf(fp, "/p { " |
| "moveto " |
| "0 1 rlineto " |
| "1 0 rlineto " |
| "0 -1 rlineto " |
| "fill " |
| "} bind def " |
| "%d %d scale ", size, size); |
| |
| /* data */ |
| p = qrcode->data; |
| for(y=0; y<qrcode->width; y++) { |
| row = (p+(y*qrcode->width)); |
| yy = (margin + qrcode->width - y - 1); |
| |
| for(x=0; x<qrcode->width; x++) { |
| if(*(row+x)&0x1) { |
| fprintf(fp, "%d %d p ", margin + x, yy); |
| } |
| } |
| } |
| |
| fprintf(fp, "\n%%%%EOF\n"); |
| fclose(fp); |
| |
| return 0; |
| } |
| |
| static void writeSVG_writeRect(FILE *fp, int x, int y, int width, char* col, float opacity) |
| { |
| if(fg_color[3] != 255) { |
| fprintf(fp, "\t\t\t<rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"1\" "\ |
| "fill=\"#%s\" fill-opacity=\"%f\" />\n", |
| x, y, width, col, opacity ); |
| } else { |
| fprintf(fp, "\t\t\t<rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"1\" "\ |
| "fill=\"#%s\" />\n", |
| x, y, width, col ); |
| } |
| } |
| |
| static int writeSVG( QRcode *qrcode, const char *outfile ) |
| { |
| FILE *fp; |
| unsigned char *row, *p; |
| int x, y, x0, pen; |
| int symwidth, realwidth; |
| float scale; |
| char fg[7], bg[7]; |
| float fg_opacity; |
| float bg_opacity; |
| |
| fp = openFile(outfile); |
| |
| scale = dpi * INCHES_PER_METER / 100.0; |
| |
| symwidth = qrcode->width + margin * 2; |
| realwidth = symwidth * size; |
| |
| snprintf(fg, 7, "%02x%02x%02x", fg_color[0], fg_color[1], fg_color[2]); |
| snprintf(bg, 7, "%02x%02x%02x", bg_color[0], bg_color[1], bg_color[2]); |
| fg_opacity = (float)fg_color[3] / 255; |
| bg_opacity = (float)bg_color[3] / 255; |
| |
| /* XML declaration */ |
| fputs( "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n", fp ); |
| |
| /* DTD |
| No document type specified because "while a DTD is provided in [the SVG] |
| specification, the use of DTDs for validating XML documents is known to be |
| problematic. In particular, DTDs do not handle namespaces gracefully. It |
| is *not* recommended that a DOCTYPE declaration be included in SVG |
| documents." |
| http://www.w3.org/TR/2003/REC-SVG11-20030114/intro.html#Namespace |
| */ |
| |
| /* Vanity remark */ |
| fprintf( fp, "<!-- Created with qrencode %s (http://fukuchi.org/works/qrencode/index.html.en) -->\n", |
| QRcode_APIVersionString() ); |
| |
| /* SVG code start */ |
| fprintf( fp, "<svg width=\"%0.2fcm\" height=\"%0.2fcm\" viewBox=\"0 0 %d %d\""\ |
| " preserveAspectRatio=\"none\" version=\"1.1\""\ |
| " xmlns=\"http://www.w3.org/2000/svg\">\n", |
| realwidth / scale, realwidth / scale, symwidth, symwidth |
| ); |
| |
| /* Make named group */ |
| fputs( "\t<g id=\"QRcode\">\n", fp ); |
| |
| /* Make solid background */ |
| if(bg_color[3] != 255) { |
| fprintf(fp, "\t\t<rect x=\"0\" y=\"0\" width=\"%d\" height=\"%d\" fill=\"#%s\" fill-opacity=\"%f\" />\n", symwidth, symwidth, bg, bg_opacity); |
| } else { |
| fprintf(fp, "\t\t<rect x=\"0\" y=\"0\" width=\"%d\" height=\"%d\" fill=\"#%s\" />\n", symwidth, symwidth, bg); |
| } |
| |
| /* Create new viewbox for QR data */ |
| fputs( "\t\t<g id=\"Pattern\">\n", fp); |
| |
| /* Write data */ |
| p = qrcode->data; |
| for(y=0; y<qrcode->width; y++) { |
| row = (p+(y*qrcode->width)); |
| |
| if( !rle ) { |
| /* no RLE */ |
| for(x=0; x<qrcode->width; x++) { |
| if(*(row+x)&0x1) { |
| writeSVG_writeRect(fp, margin + x, |
| margin + y, 1, |
| fg, fg_opacity); |
| } |
| } |
| } else { |
| /* simple RLE */ |
| pen = 0; |
| x0 = 0; |
| for(x=0; x<qrcode->width; x++) { |
| if( !pen ) { |
| pen = *(row+x)&0x1; |
| x0 = x; |
| } else { |
| if(!(*(row+x)&0x1)) { |
| writeSVG_writeRect(fp, x0 + margin, y + margin, x-x0, fg, fg_opacity); |
| pen = 0; |
| } |
| } |
| } |
| if( pen ) { |
| writeSVG_writeRect(fp, x0 + margin, y + margin, qrcode->width - x0, fg, fg_opacity); |
| } |
| } |
| } |
| /* Close QR data viewbox */ |
| fputs( "\t\t</g>\n", fp ); |
| |
| /* Close group */ |
| fputs( "\t</g>\n", fp ); |
| |
| /* Close SVG code */ |
| fputs( "</svg>\n", fp ); |
| fclose( fp ); |
| |
| return 0; |
| } |
| |
| static void writeANSI_margin(FILE* fp, int realwidth, |
| char* buffer, int buffer_s, |
| char* white, int white_s ) |
| { |
| int y; |
| |
| strncpy(buffer, white, white_s); |
| memset(buffer + white_s, ' ', realwidth * 2); |
| strcpy(buffer + white_s + realwidth * 2, "\033[0m\n"); // reset to default colors |
| for(y=0; y<margin; y++ ){ |
| fputs(buffer, fp); |
| } |
| } |
| |
| static int writeANSI(QRcode *qrcode, const char *outfile) |
| { |
| FILE *fp; |
| unsigned char *row, *p; |
| int x, y; |
| int realwidth; |
| int last; |
| |
| char *white, *black, *buffer; |
| int white_s, black_s, buffer_s; |
| |
| if( image_type == ANSI256_TYPE ){ |
| /* codes for 256 color compatible terminals */ |
| white = "\033[48;5;231m"; |
| white_s = 11; |
| black = "\033[48;5;16m"; |
| black_s = 10; |
| } else { |
| white = "\033[47m"; |
| white_s = 5; |
| black = "\033[40m"; |
| black_s = 5; |
| } |
| |
| size = 1; |
| |
| fp = openFile(outfile); |
| |
| realwidth = (qrcode->width + margin * 2) * size; |
| buffer_s = ( realwidth * white_s ) * 2; |
| buffer = (char *)malloc( buffer_s ); |
| if(buffer == NULL) { |
| fprintf(stderr, "Failed to allocate memory.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| /* top margin */ |
| writeANSI_margin(fp, realwidth, buffer, buffer_s, white, white_s); |
| |
| /* data */ |
| p = qrcode->data; |
| for(y=0; y<qrcode->width; y++) { |
| row = (p+(y*qrcode->width)); |
| |
| memset( buffer, 0, buffer_s ); |
| strncpy( buffer, white, white_s ); |
| for(x=0; x<margin; x++ ){ |
| strncat( buffer, " ", 2 ); |
| } |
| last = 0; |
| |
| for(x=0; x<qrcode->width; x++) { |
| if(*(row+x)&0x1) { |
| if( last != 1 ){ |
| strncat( buffer, black, black_s ); |
| last = 1; |
| } |
| } else { |
| if( last != 0 ){ |
| strncat( buffer, white, white_s ); |
| last = 0; |
| } |
| } |
| strncat( buffer, " ", 2 ); |
| } |
| |
| if( last != 0 ){ |
| strncat( buffer, white, white_s ); |
| } |
| for(x=0; x<margin; x++ ){ |
| strncat( buffer, " ", 2 ); |
| } |
| strncat( buffer, "\033[0m\n", 5 ); |
| fputs( buffer, fp ); |
| } |
| |
| /* bottom margin */ |
| writeANSI_margin(fp, realwidth, buffer, buffer_s, white, white_s); |
| |
| fclose(fp); |
| free(buffer); |
| |
| return 0; |
| } |
| |
| static void writeUTF8_margin(FILE* fp, int realwidth, |
| const char* white, const char *reset, |
| int use_ansi) |
| { |
| int x, y; |
| |
| for (y = 0; y < margin/2; y++) { |
| fputs(white, fp); |
| for (x = 0; x < realwidth; x++) |
| fputs("\342\226\210", fp); |
| fputs(reset, fp); |
| fputc('\n', fp); |
| } |
| } |
| |
| static int writeUTF8(QRcode *qrcode, const char *outfile, int use_ansi) |
| { |
| FILE *fp; |
| int x, y; |
| int realwidth; |
| const char *white, *reset; |
| |
| if (use_ansi){ |
| white = "\033[40;37;1m"; |
| reset = "\033[0m"; |
| } else { |
| white = ""; |
| reset = ""; |
| } |
| |
| fp = openFile(outfile); |
| |
| realwidth = (qrcode->width + margin * 2); |
| |
| /* top margin */ |
| writeUTF8_margin(fp, realwidth, white, reset, use_ansi); |
| |
| /* data */ |
| for(y = 0; y < qrcode->width; y += 2) { |
| unsigned char *row1, *row2; |
| row1 = qrcode->data + y*qrcode->width; |
| row2 = row1 + qrcode->width; |
| |
| fputs(white, fp); |
| |
| for (x = 0; x < margin; x++) |
| fputs("\342\226\210", fp); |
| |
| for (x = 0; x < qrcode->width; x++) { |
| if(row1[x] & 1) { |
| if(y < qrcode->width - 1 && row2[x] & 1) { |
| fputc(' ', fp); |
| } else { |
| fputs("\342\226\204", fp); |
| } |
| } else { |
| if(y < qrcode->width - 1 && row2[x] & 1) { |
| fputs("\342\226\200", fp); |
| } else { |
| fputs("\342\226\210", fp); |
| } |
| } |
| } |
| |
| for (x = 0; x < margin; x++) |
| fputs("\342\226\210", fp); |
| |
| fputs(reset, fp); |
| fputc('\n', fp); |
| } |
| |
| /* bottom margin */ |
| writeUTF8_margin(fp, realwidth, white, reset, use_ansi); |
| |
| fclose(fp); |
| |
| return 0; |
| } |
| |
| static void writeASCII_margin(FILE* fp, int realwidth, char* buffer, int buffer_s, int invert) |
| { |
| int y, h; |
| |
| h = margin; |
| |
| memset(buffer, (invert?'#':' '), realwidth); |
| buffer[realwidth] = '\n'; |
| buffer[realwidth + 1] = '\0'; |
| for(y=0; y<h; y++ ){ |
| fputs(buffer, fp); |
| } |
| } |
| |
| static int writeASCII(QRcode *qrcode, const char *outfile, int invert) |
| { |
| FILE *fp; |
| unsigned char *row; |
| int x, y; |
| int realwidth; |
| char *buffer, *p; |
| int buffer_s; |
| char black = '#'; |
| char white = ' '; |
| |
| if(invert) { |
| black = ' '; |
| white = '#'; |
| } |
| |
| size = 1; |
| |
| fp = openFile(outfile); |
| |
| realwidth = (qrcode->width + margin * 2) * 2; |
| buffer_s = realwidth + 2; |
| buffer = (char *)malloc( buffer_s ); |
| if(buffer == NULL) { |
| fprintf(stderr, "Failed to allocate memory.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| /* top margin */ |
| writeASCII_margin(fp, realwidth, buffer, buffer_s, invert); |
| |
| /* data */ |
| for(y=0; y<qrcode->width; y++) { |
| row = qrcode->data+(y*qrcode->width); |
| p = buffer; |
| |
| memset(p, white, margin * 2); |
| p += margin * 2; |
| |
| for(x=0; x<qrcode->width; x++) { |
| if(row[x]&0x1) { |
| *p++ = black; |
| *p++ = black; |
| } else { |
| *p++ = white; |
| *p++ = white; |
| } |
| } |
| |
| memset(p, white, margin * 2); |
| p += margin * 2; |
| *p++ = '\n'; |
| *p++ = '\0'; |
| fputs( buffer, fp ); |
| } |
| |
| /* bottom margin */ |
| writeASCII_margin(fp, realwidth, buffer, buffer_s, invert); |
| |
| fclose(fp); |
| free(buffer); |
| |
| return 0; |
| } |
| |
| static QRcode *encode(const unsigned char *intext, int length) |
| { |
| QRcode *code; |
| |
| if(micro) { |
| if(eightbit) { |
| code = QRcode_encodeDataMQR(length, intext, version, level); |
| } else { |
| code = QRcode_encodeStringMQR((char *)intext, version, level, hint, casesensitive); |
| } |
| } else { |
| if(eightbit) { |
| code = QRcode_encodeData(length, intext, version, level); |
| } else { |
| code = QRcode_encodeString((char *)intext, version, level, hint, casesensitive); |
| } |
| } |
| |
| return code; |
| } |
| |
| static void qrencode(const unsigned char *intext, int length, const char *outfile) |
| { |
| QRcode *qrcode; |
| |
| qrcode = encode(intext, length); |
| if(qrcode == NULL) { |
| perror("Failed to encode the input data"); |
| exit(EXIT_FAILURE); |
| } |
| |
| if(verbose) { |
| fprintf(stderr, "File: %s, Version: %d\n", (outfile!=NULL)?outfile:"(stdout)", qrcode->version); |
| } |
| |
| switch(image_type) { |
| case PNG_TYPE: |
| writePNG(qrcode, outfile); |
| break; |
| case EPS_TYPE: |
| writeEPS(qrcode, outfile); |
| break; |
| case SVG_TYPE: |
| writeSVG(qrcode, outfile); |
| break; |
| case ANSI_TYPE: |
| case ANSI256_TYPE: |
| writeANSI(qrcode, outfile); |
| break; |
| case ASCIIi_TYPE: |
| writeASCII(qrcode, outfile, 1); |
| break; |
| case ASCII_TYPE: |
| writeASCII(qrcode, outfile, 0); |
| break; |
| case UTF8_TYPE: |
| writeUTF8(qrcode, outfile, 0); |
| break; |
| case ANSIUTF8_TYPE: |
| writeUTF8(qrcode, outfile, 1); |
| break; |
| default: |
| fprintf(stderr, "Unknown image type.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| QRcode_free(qrcode); |
| } |
| |
| static QRcode_List *encodeStructured(const unsigned char *intext, int length) |
| { |
| QRcode_List *list; |
| |
| if(eightbit) { |
| list = QRcode_encodeDataStructured(length, intext, version, level); |
| } else { |
| list = QRcode_encodeStringStructured((char *)intext, version, level, hint, casesensitive); |
| } |
| |
| return list; |
| } |
| |
| static void qrencodeStructured(const unsigned char *intext, int length, const char *outfile) |
| { |
| QRcode_List *qrlist, *p; |
| char filename[FILENAME_MAX]; |
| char *base, *q, *suffix = NULL; |
| const char *type_suffix; |
| int i = 1; |
| size_t suffix_size; |
| |
| switch(image_type) { |
| case PNG_TYPE: |
| type_suffix = ".png"; |
| break; |
| case EPS_TYPE: |
| type_suffix = ".eps"; |
| break; |
| case SVG_TYPE: |
| type_suffix = ".svg"; |
| break; |
| case ANSI_TYPE: |
| case ANSI256_TYPE: |
| case ASCII_TYPE: |
| case UTF8_TYPE: |
| case ANSIUTF8_TYPE: |
| type_suffix = ".txt"; |
| break; |
| default: |
| fprintf(stderr, "Unknown image type.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| if(outfile == NULL) { |
| fprintf(stderr, "An output filename must be specified to store the structured images.\n"); |
| exit(EXIT_FAILURE); |
| } |
| base = strdup(outfile); |
| if(base == NULL) { |
| fprintf(stderr, "Failed to allocate memory.\n"); |
| exit(EXIT_FAILURE); |
| } |
| suffix_size = strlen(type_suffix); |
| if(strlen(base) > suffix_size) { |
| q = base + strlen(base) - suffix_size; |
| if(strcasecmp(type_suffix, q) == 0) { |
| suffix = strdup(q); |
| *q = '\0'; |
| } |
| } |
| |
| qrlist = encodeStructured(intext, length); |
| if(qrlist == NULL) { |
| perror("Failed to encode the input data"); |
| exit(EXIT_FAILURE); |
| } |
| |
| for(p = qrlist; p != NULL; p = p->next) { |
| if(p->code == NULL) { |
| fprintf(stderr, "Failed to encode the input data.\n"); |
| exit(EXIT_FAILURE); |
| } |
| if(suffix) { |
| snprintf(filename, FILENAME_MAX, "%s-%02d%s", base, i, suffix); |
| } else { |
| snprintf(filename, FILENAME_MAX, "%s-%02d", base, i); |
| } |
| |
| if(verbose) { |
| fprintf(stderr, "File: %s, Version: %d\n", filename, p->code->version); |
| } |
| |
| switch(image_type) { |
| case PNG_TYPE: |
| writePNG(p->code, filename); |
| break; |
| case EPS_TYPE: |
| writeEPS(p->code, filename); |
| break; |
| case SVG_TYPE: |
| writeSVG(p->code, filename); |
| break; |
| case ANSI_TYPE: |
| case ANSI256_TYPE: |
| writeANSI(p->code, filename); |
| break; |
| case ASCIIi_TYPE: |
| writeASCII(p->code, filename, 1); |
| break; |
| case ASCII_TYPE: |
| writeASCII(p->code, filename, 0); |
| break; |
| case UTF8_TYPE: |
| writeUTF8(p->code, filename, 0); |
| break; |
| case ANSIUTF8_TYPE: |
| writeUTF8(p->code, filename, 0); |
| break; |
| |
| default: |
| fprintf(stderr, "Unknown image type.\n"); |
| exit(EXIT_FAILURE); |
| } |
| i++; |
| } |
| |
| free(base); |
| if(suffix) { |
| free(suffix); |
| } |
| |
| QRcode_List_free(qrlist); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| int opt, lindex = -1; |
| char *outfile = NULL; |
| unsigned char *intext = NULL; |
| int length = 0; |
| |
| while((opt = getopt_long(argc, argv, optstring, options, &lindex)) != -1) { |
| switch(opt) { |
| case 'h': |
| if(lindex == 0) { |
| usage(1, 1); |
| } else { |
| usage(1, 0); |
| } |
| exit(EXIT_SUCCESS); |
| break; |
| case 'o': |
| outfile = optarg; |
| break; |
| case 's': |
| size = atoi(optarg); |
| if(size <= 0) { |
| fprintf(stderr, "Invalid size: %d\n", size); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'v': |
| version = atoi(optarg); |
| if(version < 0) { |
| fprintf(stderr, "Invalid version: %d\n", version); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'l': |
| switch(*optarg) { |
| case 'l': |
| case 'L': |
| level = QR_ECLEVEL_L; |
| break; |
| case 'm': |
| case 'M': |
| level = QR_ECLEVEL_M; |
| break; |
| case 'q': |
| case 'Q': |
| level = QR_ECLEVEL_Q; |
| break; |
| case 'h': |
| case 'H': |
| level = QR_ECLEVEL_H; |
| break; |
| default: |
| fprintf(stderr, "Invalid level: %s\n", optarg); |
| exit(EXIT_FAILURE); |
| break; |
| } |
| break; |
| case 'm': |
| margin = atoi(optarg); |
| if(margin < 0) { |
| fprintf(stderr, "Invalid margin: %d\n", margin); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'd': |
| dpi = atoi(optarg); |
| if( dpi < 0 ) { |
| fprintf(stderr, "Invalid DPI: %d\n", dpi); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 't': |
| if(strcasecmp(optarg, "png") == 0) { |
| image_type = PNG_TYPE; |
| } else if(strcasecmp(optarg, "eps") == 0) { |
| image_type = EPS_TYPE; |
| } else if(strcasecmp(optarg, "svg") == 0) { |
| image_type = SVG_TYPE; |
| } else if(strcasecmp(optarg, "ansi") == 0) { |
| image_type = ANSI_TYPE; |
| } else if(strcasecmp(optarg, "ansi256") == 0) { |
| image_type = ANSI256_TYPE; |
| } else if(strcasecmp(optarg, "asciii") == 0) { |
| image_type = ASCIIi_TYPE; |
| } else if(strcasecmp(optarg, "ascii") == 0) { |
| image_type = ASCII_TYPE; |
| } else if(strcasecmp(optarg, "utf8") == 0) { |
| image_type = UTF8_TYPE; |
| } else if(strcasecmp(optarg, "ansiutf8") == 0) { |
| image_type = ANSIUTF8_TYPE; |
| } else { |
| fprintf(stderr, "Invalid image type: %s\n", optarg); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'S': |
| structured = 1; |
| break; |
| case 'k': |
| hint = QR_MODE_KANJI; |
| break; |
| case 'c': |
| casesensitive = 1; |
| break; |
| case 'i': |
| casesensitive = 0; |
| break; |
| case '8': |
| eightbit = 1; |
| break; |
| case 'M': |
| micro = 1; |
| break; |
| case 'f': |
| if(color_set(fg_color, optarg)) { |
| fprintf(stderr, "Invalid foreground color value.\n"); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'b': |
| if(color_set(bg_color, optarg)) { |
| fprintf(stderr, "Invalid background color value.\n"); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case 'V': |
| usage(0, 0); |
| exit(EXIT_SUCCESS); |
| break; |
| case 0: |
| break; |
| default: |
| fprintf(stderr, "Try `qrencode --help' for more information.\n"); |
| exit(EXIT_FAILURE); |
| break; |
| } |
| } |
| |
| if(argc == 1) { |
| usage(1, 0); |
| exit(EXIT_SUCCESS); |
| } |
| |
| if(outfile == NULL && image_type == PNG_TYPE) { |
| fprintf(stderr, "No output filename is given.\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| if(optind < argc) { |
| intext = (unsigned char *)argv[optind]; |
| length = strlen((char *)intext); |
| } |
| if(intext == NULL) { |
| intext = readStdin(&length); |
| } |
| |
| if(micro && version > MQRSPEC_VERSION_MAX) { |
| fprintf(stderr, "Version should be less or equal to %d.\n", MQRSPEC_VERSION_MAX); |
| exit(EXIT_FAILURE); |
| } else if(!micro && version > QRSPEC_VERSION_MAX) { |
| fprintf(stderr, "Version should be less or equal to %d.\n", QRSPEC_VERSION_MAX); |
| exit(EXIT_FAILURE); |
| } |
| |
| if(margin < 0) { |
| if(micro) { |
| margin = 2; |
| } else { |
| margin = 4; |
| } |
| } |
| |
| if(micro) { |
| if(version == 0) { |
| fprintf(stderr, "Version must be specified to encode a Micro QR Code symbol.\n"); |
| exit(EXIT_FAILURE); |
| } |
| if(structured) { |
| fprintf(stderr, "Micro QR Code does not support structured symbols.\n"); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| if(structured) { |
| if(version == 0) { |
| fprintf(stderr, "Version must be specified to encode structured symbols.\n"); |
| exit(EXIT_FAILURE); |
| } |
| qrencodeStructured(intext, length, outfile); |
| } else { |
| qrencode(intext, length, outfile); |
| } |
| |
| return 0; |
| } |