--- a/qrenc.c
+++ b/qrenc.c
@@ -25,7 +25,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <png.h>
#include <getopt.h>
#include "qrencode.h"
@@ -49,7 +48,6 @@
static int verbose = 0;
enum imageType {
- PNG_TYPE,
EPS_TYPE,
SVG_TYPE,
ANSI_TYPE,
@@ -60,7 +58,7 @@
ANSIUTF8_TYPE
};
-static enum imageType image_type = PNG_TYPE;
+static enum imageType image_type = SVG_TYPE;
static const struct option options[] = {
{"help" , no_argument , NULL, 'h'},
@@ -96,13 +94,13 @@
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"
+"Encode input data in a QR Code and save as a SVG 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"
+" symbols are written to FILENAME-01.svg, FILENAME-02.svg, ...\n"
" (suffix is removed from FILENAME, if specified)\n"
" -s NUMBER, --size=NUMBER\n"
" specify module size in dots (pixels). (default=3)\n\n"
@@ -116,9 +114,9 @@
" 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"
+" -t {EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}, --type={EPS,\n"
" SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}\n"
-" specify the type of the generated image. (default=PNG)\n\n"
+" specify the type of the generated image. (default=SVG)\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"
@@ -133,7 +131,7 @@
" --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"
+" Color output support available only in SVG.\n"
" -V, --version\n"
" display the version number and copyrights of the qrencode.\n\n"
" --verbose\n"
@@ -153,12 +151,12 @@
} 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"
+"Encode input data in a QR Code and save as a SVG 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"
+" symbols are written to FILENAME-01.svg, FILENAME-02.svg, ...\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"
@@ -166,8 +164,8 @@
" -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"
+" -t {EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}\n"
+" specify the type of the generated image. (default=SVG)\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"
@@ -178,7 +176,7 @@
" --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"
+" Color output support available only in 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"
@@ -253,128 +251,6 @@
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;
- } 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;
@@ -831,9 +707,6 @@
}
switch(image_type) {
- case PNG_TYPE:
- writePNG(qrcode, outfile);
- break;
case EPS_TYPE:
writeEPS(qrcode, outfile);
break;
@@ -887,9 +760,6 @@
size_t suffix_size;
switch(image_type) {
- case PNG_TYPE:
- type_suffix = ".png";
- break;
case EPS_TYPE:
type_suffix = ".eps";
break;
@@ -948,9 +818,6 @@
}
switch(image_type) {
- case PNG_TYPE:
- writePNG(p->code, filename);
- break;
case EPS_TYPE:
writeEPS(p->code, filename);
break;
@@ -1062,9 +929,7 @@
}
break;
case 't':
- if(strcasecmp(optarg, "png") == 0) {
- image_type = PNG_TYPE;
- } else if(strcasecmp(optarg, "eps") == 0) {
+ if(strcasecmp(optarg, "eps") == 0) {
image_type = EPS_TYPE;
} else if(strcasecmp(optarg, "svg") == 0) {
image_type = SVG_TYPE;
@@ -1133,11 +998,6 @@
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);
--- a/configure.ac
+++ b/configure.ac
@@ -58,9 +58,6 @@
[build_tools=$withval], [build_tools=yes])
AM_CONDITIONAL(BUILD_TOOLS, [test "x$build_tools" = "xyes" ])
-if test x$build_tools = xyes ; then
- PKG_CHECK_MODULES(png, "libpng")
-fi
dnl --with-tests
AC_ARG_WITH([tests], [AS_HELP_STRING([--with-tests], [build tests [default=no]])],
@@ -80,12 +77,6 @@
echo "/* #undef WITH_TESTS */" >>confdefs.h
fi
-if test x$build_tests = xyes ; then
- SDL_REQUIRED_VERSION=1.2.0
- AM_PATH_SDL($SDL_REQUIRED_VERSION,,AC_MSG_WARN([*** SDL $SDL_REQUIRED_VERSION or better is required.]))
- AC_MSG_NOTICE([SDL check done.])
- AM_ICONV_LINK
-fi
AM_CONDITIONAL(HAVE_SDL, [test "x$SDL_CFLAGS" != "x" ])