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293 lines
9.2 KiB
293 lines
9.2 KiB
--- a/configure.ac
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+++ b/configure.ac
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@@ -58,9 +58,6 @@
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[build_tools=$withval], [build_tools=yes])
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AM_CONDITIONAL(BUILD_TOOLS, [test "x$build_tools" = "xyes" ])
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-if test x$build_tools = xyes ; then
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- PKG_CHECK_MODULES(png, "libpng")
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-fi
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dnl --with-tests
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AC_ARG_WITH([tests], [AS_HELP_STRING([--with-tests], [build tests [default=no]])],
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--- a/qrenc.c
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+++ b/qrenc.c
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@@ -25,7 +25,6 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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-#include <png.h>
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#include <getopt.h>
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#include "qrencode.h"
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@@ -49,7 +48,6 @@
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static int verbose = 0;
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enum imageType {
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- PNG_TYPE,
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EPS_TYPE,
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SVG_TYPE,
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ANSI_TYPE,
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@@ -60,7 +58,7 @@
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ANSIUTF8_TYPE
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};
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-static enum imageType image_type = PNG_TYPE;
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+static enum imageType image_type = SVG_TYPE;
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static const struct option options[] = {
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{"help" , no_argument , NULL, 'h'},
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@@ -96,13 +94,13 @@
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if(longopt) {
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fprintf(stderr,
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"Usage: qrencode [OPTION]... [STRING]\n"
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-"Encode input data in a QR Code and save as a PNG or EPS image.\n\n"
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+"Encode input data in a QR Code and save as a SVG or EPS image.\n\n"
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" -h, --help display the help message. -h displays only the help of short\n"
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" options.\n\n"
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" -o FILENAME, --output=FILENAME\n"
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" write image to FILENAME. If '-' is specified, the result\n"
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" will be output to standard output. If -S is given, structured\n"
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-" symbols are written to FILENAME-01.png, FILENAME-02.png, ...\n"
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+" symbols are written to FILENAME-01.svg, FILENAME-02.svg, ...\n"
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" (suffix is removed from FILENAME, if specified)\n"
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" -s NUMBER, --size=NUMBER\n"
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" specify module size in dots (pixels). (default=3)\n\n"
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@@ -116,9 +114,9 @@
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" specify the width of the margins. (default=4 (2 for Micro QR)))\n\n"
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" -d NUMBER, --dpi=NUMBER\n"
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" specify the DPI of the generated PNG. (default=72)\n\n"
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-" -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}, --type={PNG,EPS,\n"
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+" -t {EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}, --type={EPS,\n"
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" SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}\n"
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-" specify the type of the generated image. (default=PNG)\n\n"
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+" specify the type of the generated image. (default=SVG)\n\n"
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" -S, --structured\n"
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" make structured symbols. Version must be specified.\n\n"
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" -k, --kanji assume that the input text contains kanji (shift-jis).\n\n"
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@@ -133,7 +131,7 @@
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" --background=RRGGBB[AA]\n"
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" specify foreground/background color in hexadecimal notation.\n"
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" 6-digit (RGB) or 8-digit (RGBA) form are supported.\n"
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-" Color output support available only in PNG and SVG.\n"
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+" Color output support available only in SVG.\n"
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" -V, --version\n"
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" display the version number and copyrights of the qrencode.\n\n"
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" --verbose\n"
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@@ -153,12 +151,12 @@
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} else {
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fprintf(stderr,
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"Usage: qrencode [OPTION]... [STRING]\n"
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-"Encode input data in a QR Code and save as a PNG or EPS image.\n\n"
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+"Encode input data in a QR Code and save as a SVG or EPS image.\n\n"
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" -h display this message.\n"
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" --help display the usage of long options.\n"
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" -o FILENAME write image to FILENAME. If '-' is specified, the result\n"
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" will be output to standard output. If -S is given, structured\n"
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-" symbols are written to FILENAME-01.png, FILENAME-02.png, ...\n"
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+" symbols are written to FILENAME-01.svg, FILENAME-02.svg, ...\n"
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" (suffix is removed from FILENAME, if specified)\n"
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" -s NUMBER specify module size in dots (pixels). (default=3)\n"
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" -l {LMQH} specify error correction level from L (lowest) to H (highest).\n"
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@@ -166,8 +164,8 @@
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" -v NUMBER specify the version of the symbol. (default=auto)\n"
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" -m NUMBER specify the width of the margins. (default=4 (2 for Micro))\n"
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" -d NUMBER specify the DPI of the generated PNG. (default=72)\n"
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-" -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}\n"
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-" specify the type of the generated image. (default=PNG)\n"
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+" -t {EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}\n"
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+" specify the type of the generated image. (default=SVG)\n"
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" -S make structured symbols. Version must be specified.\n"
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" -k assume that the input text contains kanji (shift-jis).\n"
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" -c encode lower-case alphabet characters in 8-bit mode. (default)\n"
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@@ -178,7 +176,7 @@
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" --background=RRGGBB[AA]\n"
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" specify foreground/background color in hexadecimal notation.\n"
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" 6-digit (RGB) or 8-digit (RGBA) form are supported.\n"
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-" Color output support available only in PNG and SVG.\n"
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+" Color output support available only in SVG.\n"
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" -V display the version number and copyrights of the qrencode.\n"
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" [STRING] input data. If it is not specified, data will be taken from\n"
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" standard input.\n"
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@@ -253,128 +251,6 @@
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return fp;
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}
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-static int writePNG(QRcode *qrcode, const char *outfile)
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-{
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- static FILE *fp; // avoid clobbering by setjmp.
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- png_structp png_ptr;
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- png_infop info_ptr;
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- png_colorp palette;
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- png_byte alpha_values[2];
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- unsigned char *row, *p, *q;
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- int x, y, xx, yy, bit;
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- int realwidth;
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-
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- realwidth = (qrcode->width + margin * 2) * size;
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- row = (unsigned char *)malloc((realwidth + 7) / 8);
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- if(row == NULL) {
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- fprintf(stderr, "Failed to allocate memory.\n");
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- exit(EXIT_FAILURE);
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- }
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-
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- if(outfile[0] == '-' && outfile[1] == '\0') {
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- fp = stdout;
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- } else {
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- fp = fopen(outfile, "wb");
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- if(fp == NULL) {
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- fprintf(stderr, "Failed to create file: %s\n", outfile);
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- perror(NULL);
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- exit(EXIT_FAILURE);
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- }
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- }
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-
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- png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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- if(png_ptr == NULL) {
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- fprintf(stderr, "Failed to initialize PNG writer.\n");
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- exit(EXIT_FAILURE);
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- }
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-
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- info_ptr = png_create_info_struct(png_ptr);
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- if(info_ptr == NULL) {
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- fprintf(stderr, "Failed to initialize PNG write.\n");
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- exit(EXIT_FAILURE);
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- }
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-
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- if(setjmp(png_jmpbuf(png_ptr))) {
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- png_destroy_write_struct(&png_ptr, &info_ptr);
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- fprintf(stderr, "Failed to write PNG image.\n");
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- exit(EXIT_FAILURE);
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- }
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-
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- palette = (png_colorp) malloc(sizeof(png_color) * 2);
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- if(palette == NULL) {
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- fprintf(stderr, "Failed to allocate memory.\n");
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- exit(EXIT_FAILURE);
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- }
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- palette[0].red = fg_color[0];
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- palette[0].green = fg_color[1];
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- palette[0].blue = fg_color[2];
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- palette[1].red = bg_color[0];
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- palette[1].green = bg_color[1];
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- palette[1].blue = bg_color[2];
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- alpha_values[0] = fg_color[3];
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- alpha_values[1] = bg_color[3];
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- png_set_PLTE(png_ptr, info_ptr, palette, 2);
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- png_set_tRNS(png_ptr, info_ptr, alpha_values, 2, NULL);
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-
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- png_init_io(png_ptr, fp);
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- png_set_IHDR(png_ptr, info_ptr,
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- realwidth, realwidth,
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- 1,
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- PNG_COLOR_TYPE_PALETTE,
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- PNG_INTERLACE_NONE,
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- PNG_COMPRESSION_TYPE_DEFAULT,
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- PNG_FILTER_TYPE_DEFAULT);
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- png_set_pHYs(png_ptr, info_ptr,
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- dpi * INCHES_PER_METER,
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- dpi * INCHES_PER_METER,
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- PNG_RESOLUTION_METER);
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- png_write_info(png_ptr, info_ptr);
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-
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- /* top margin */
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- memset(row, 0xff, (realwidth + 7) / 8);
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- for(y=0; y<margin * size; y++) {
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- png_write_row(png_ptr, row);
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- }
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-
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- /* data */
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- p = qrcode->data;
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- for(y=0; y<qrcode->width; y++) {
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- bit = 7;
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- memset(row, 0xff, (realwidth + 7) / 8);
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- q = row;
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- q += margin * size / 8;
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- bit = 7 - (margin * size % 8);
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- for(x=0; x<qrcode->width; x++) {
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- for(xx=0; xx<size; xx++) {
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- *q ^= (*p & 1) << bit;
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- bit--;
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- if(bit < 0) {
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- q++;
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- bit = 7;
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- }
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- }
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- p++;
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- }
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- for(yy=0; yy<size; yy++) {
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- png_write_row(png_ptr, row);
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- }
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- }
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- /* bottom margin */
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- memset(row, 0xff, (realwidth + 7) / 8);
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- for(y=0; y<margin * size; y++) {
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- png_write_row(png_ptr, row);
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- }
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-
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- png_write_end(png_ptr, info_ptr);
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- png_destroy_write_struct(&png_ptr, &info_ptr);
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-
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- fclose(fp);
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- free(row);
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- free(palette);
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-
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- return 0;
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-}
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-
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static int writeEPS(QRcode *qrcode, const char *outfile)
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{
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FILE *fp;
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@@ -831,9 +707,6 @@
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}
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switch(image_type) {
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- case PNG_TYPE:
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- writePNG(qrcode, outfile);
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- break;
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case EPS_TYPE:
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writeEPS(qrcode, outfile);
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break;
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@@ -887,9 +760,6 @@
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size_t suffix_size;
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switch(image_type) {
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- case PNG_TYPE:
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- type_suffix = ".png";
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- break;
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case EPS_TYPE:
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type_suffix = ".eps";
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break;
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@@ -948,9 +818,6 @@
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}
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switch(image_type) {
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- case PNG_TYPE:
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- writePNG(p->code, filename);
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- break;
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case EPS_TYPE:
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writeEPS(p->code, filename);
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break;
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@@ -1062,9 +929,7 @@
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}
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break;
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case 't':
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- if(strcasecmp(optarg, "png") == 0) {
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- image_type = PNG_TYPE;
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- } else if(strcasecmp(optarg, "eps") == 0) {
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+ if(strcasecmp(optarg, "eps") == 0) {
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image_type = EPS_TYPE;
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} else if(strcasecmp(optarg, "svg") == 0) {
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image_type = SVG_TYPE;
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@@ -1133,11 +998,6 @@
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exit(EXIT_SUCCESS);
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}
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- if(outfile == NULL && image_type == PNG_TYPE) {
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- fprintf(stderr, "No output filename is given.\n");
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- exit(EXIT_FAILURE);
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- }
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-
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if(optind < argc) {
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intext = (unsigned char *)argv[optind];
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length = strlen((char *)intext);
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