--- /dev/null
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <SDL.h>
+#include <getopt.h>
+#include <errno.h>
+#include "../config.h"
+#include "../qrspec.h"
+#include "../qrinput.h"
+#include "../split.h"
+#include "../qrencode_inner.h"
+
+static SDL_Surface *screen = NULL;
+static int casesensitive = 1;
+static int eightbit = 0;
+static int version = 1;
+static int size = 4;
+static int margin = 4;
+static int structured = 0;
+static QRecLevel level = QR_ECLEVEL_L;
+static QRencodeMode hint = QR_MODE_8;
+
+static char **textv;
+static int textc;
+
+static const struct option options[] = {
+ {"help" , no_argument , NULL, 'h'},
+ {"level" , required_argument, NULL, 'l'},
+ {"size" , required_argument, NULL, 's'},
+ {"symversion" , required_argument, NULL, 'v'},
+ {"margin" , required_argument, NULL, 'm'},
+ {"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'},
+ {"version" , no_argument , NULL, 'V'},
+ {NULL, 0, NULL, 0}
+};
+
+static char *optstring = "ho:l:s:v:m:Skci8V";
+
+static char levelChar[4] = {'L', 'M', 'Q', 'H'};
+static void usage(int help, int longopt)
+{
+ fprintf(stderr,
+"view_qrcode version %s\n"
+"Copyright (C) 2008, 2009 Kentaro Fukuchi\n", VERSION);
+ if(help) {
+ if(longopt) {
+ fprintf(stderr,
+"Usage: view_qrcode [OPTION]... [STRING]\n"
+"Encode input data in a QR Code and display.\n\n"
+" -h, --help display the help message. -h displays only the help of short\n"
+" options.\n\n"
+" -s NUMBER, --size=NUMBER\n"
+" specify the size of dot (pixel). (default=3)\n\n"
+" -l {LMQH}, --level={LMQH}\n"
+" specify error collectin level from L (lowest) to H (highest).\n"
+" (default=L)\n\n"
+" -v NUMBER, --symversion=NUMBER\n"
+" specify the version of the symbol. (default=auto)\n\n"
+" -m NUMBER, --margin=NUMBER\n"
+" specify the width of margin. (default=4)\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"
+" -V, --version\n"
+" display the version number and copyrights of the qrencode.\n\n"
+" [STRING] input data. If it is not specified, data will be taken from\n"
+" standard input.\n"
+ );
+ } else {
+ fprintf(stderr,
+"Usage: view_qrcode [OPTION]... [STRING]\n"
+"Encode input data in a QR Code and display.\n\n"
+" -h display this message.\n"
+" --help display the usage of long options.\n"
+" -s NUMBER specify the size of dot (pixel). (default=3)\n"
+" -l {LMQH} specify error collectin 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 margin. (default=4)\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"
+" -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"
+ );
+ }
+ }
+}
+
+#define MAX_DATA_SIZE (7090 * 16) /* from the specification */
+static char *readStdin(void)
+{
+ char *buffer;
+ int ret;
+
+ buffer = (char *)malloc(MAX_DATA_SIZE);
+ ret = fread(buffer, 1, MAX_DATA_SIZE, stdin);
+ if(ret == 0) {
+ fprintf(stderr, "No input data.\n");
+ exit(1);
+ }
+ if(!feof(stdin)) {
+ fprintf(stderr, "Input data is too large.\n");
+ exit(1);
+ }
+
+ buffer[ret] = '\0';
+
+ return buffer;
+}
+
+static void draw_QRcode(QRcode *qrcode, int ox, int oy)
+{
+ int x, y, width;
+ unsigned char *p;
+ SDL_Rect rect;
+
+ ox += margin * size;
+ oy += margin * size;
+ width = qrcode->width;
+ p = qrcode->data;
+ for(y=0; y<width; y++) {
+ for(x=0; x<width; x++) {
+ rect.x = ox + x * size;
+ rect.y = oy + y * size;
+ rect.w = size;
+ rect.h = size;
+ SDL_FillRect(screen, &rect, (*p&1)?0:0xffffff);
+ p++;
+ }
+ }
+}
+
+void draw_singleQRcode(QRinput *stream, int mask)
+{
+ QRcode *qrcode;
+ int width;
+
+ QRinput_setVersion(stream, version);
+ QRinput_setErrorCorrectionLevel(stream, level);
+ qrcode = QRcode_encodeMask(stream, mask);
+ if(qrcode == NULL) return;
+
+ version = qrcode->version;
+ width = (qrcode->width + margin * 2) * size;
+
+ screen = SDL_SetVideoMode(width, width, 32, 0);
+ SDL_FillRect(screen, NULL, 0xffffff);
+ draw_QRcode(qrcode, 0, 0);
+ SDL_Flip(screen);
+ QRcode_free(qrcode);
+}
+
+void draw_structuredQRcode(QRinput_Struct *s)
+{
+ int i, w, h, n, x, y;
+ int swidth;
+ QRcode_List *qrcodes, *p;
+
+ qrcodes = QRcode_encodeInputStructured(s);
+ if(qrcodes == NULL) return;
+
+ swidth = (qrcodes->code->width + margin * 2) * size;
+ n = QRcode_List_size(qrcodes);
+ w = (n < 4)?n:4;
+ h = (n - 1) / 4 + 1;
+
+ screen = SDL_SetVideoMode(swidth * w, swidth * h, 32, 0);
+ SDL_FillRect(screen, NULL, 0xffffff);
+
+ p = qrcodes;
+ for(i=0; i<n; i++) {
+ x = (i % 4) * swidth;
+ y = (i / 4) * swidth;
+ draw_QRcode(p->code, x, y);
+ p = p->next;
+ }
+ SDL_Flip(screen);
+ QRcode_List_free(qrcodes);
+}
+
+void draw_structuredQRcodeFromText(int argc, char **argv)
+{
+ QRinput_Struct *s;
+ QRinput *input;
+ int i, ret;
+
+ s = QRinput_Struct_new();
+ if(s == NULL) {
+ fprintf(stderr, "Failed to allocate memory.\n");
+ exit(1);
+ }
+ for(i=0; i<argc; i++) {
+ input = QRinput_new2(version, level);
+ if(input == NULL) {
+ fprintf(stderr, "Failed to allocate memory.\n");
+ exit(1);
+ }
+ if(eightbit) {
+ ret = QRinput_append(input, QR_MODE_8, strlen(argv[i]), (unsigned char *)argv[i]);
+ } else {
+ ret = Split_splitStringToQRinput(argv[i], input, hint, casesensitive);
+ }
+ if(ret < 0) {
+ perror("Encoding the input string");
+ exit(1);
+ }
+ ret = QRinput_Struct_appendInput(s, input);
+ if(ret < 0) {
+ perror("Encoding the input string");
+ exit(1);
+ }
+ }
+ ret = QRinput_Struct_insertStructuredAppendHeaders(s);
+ if(ret < 0) {
+ fprintf(stderr, "Too many inputs.\n");
+ }
+
+ draw_structuredQRcode(s);
+ QRinput_Struct_free(s);
+}
+
+void draw_structuredQRcodeFromQRinput(QRinput *stream)
+{
+ QRinput_Struct *s;
+
+ QRinput_setVersion(stream, version);
+ QRinput_setErrorCorrectionLevel(stream, level);
+ s = QRinput_splitQRinputToStruct(stream);
+ if(s != NULL) {
+ draw_structuredQRcode(s);
+ QRinput_Struct_free(s);
+ } else {
+ fprintf(stderr, "Input data is too large for this setting.\n");
+ }
+}
+
+void view(int mode, QRinput *input)
+{
+ int flag = 1;
+ int mask = -1;
+ SDL_Event event;
+ int loop;
+
+ while(flag) {
+ if(mode) {
+ draw_structuredQRcodeFromText(textc, textv);
+ } else {
+ if(structured) {
+ draw_structuredQRcodeFromQRinput(input);
+ } else {
+ draw_singleQRcode(input, mask);
+ }
+ }
+ if(mode || structured) {
+ printf("Version %d, Level %c.\n", version, levelChar[level]);
+ } else {
+ printf("Version %d, Level %c, Mask %d.\n", version, levelChar[level], mask);
+ }
+ loop = 1;
+ while(loop) {
+ usleep(10000);
+ while(SDL_PollEvent(&event)) {
+ if(event.type == SDL_KEYDOWN) {
+ switch(event.key.keysym.sym) {
+ case SDLK_RIGHT:
+ version++;
+ if(version > QRSPEC_VERSION_MAX)
+ version = QRSPEC_VERSION_MAX;
+ loop = 0;
+ break;
+ case SDLK_LEFT:
+ version--;
+ if(version < 1)
+ version = 1;
+ loop = 0;
+ break;
+ case SDLK_UP:
+ size++;
+ loop = 0;
+ break;
+ case SDLK_DOWN:
+ size--;
+ if(size < 1) size = 1;
+ loop = 0;
+ break;
+ case SDLK_0:
+ case SDLK_1:
+ case SDLK_2:
+ case SDLK_3:
+ case SDLK_4:
+ case SDLK_5:
+ case SDLK_6:
+ case SDLK_7:
+ if(!mode && !structured) {
+ mask = (event.key.keysym.sym - SDLK_0);
+ loop = 0;
+ }
+ break;
+ case SDLK_8:
+ if(!mode && !structured) {
+ mask = -1;
+ loop = 0;
+ }
+ break;
+ case SDLK_l:
+ level = QR_ECLEVEL_L;
+ loop = 0;
+ break;
+ case SDLK_m:
+ level = QR_ECLEVEL_M;
+ loop = 0;
+ break;
+ case SDLK_h:
+ level = QR_ECLEVEL_H;
+ loop = 0;
+ break;
+ case SDLK_q:
+ level = QR_ECLEVEL_Q;
+ loop = 0;
+ break;
+ case SDLK_ESCAPE:
+ loop = 0;
+ flag = 0;
+ break;
+ default:
+ break;
+ }
+ }
+ if(event.type == SDL_QUIT) {
+ loop = 0;
+ flag = 0;
+ }
+ }
+ }
+ }
+}
+
+void view_simple(const char *str)
+{
+ QRinput *input;
+ int ret;
+
+ input = QRinput_new2(version, level);
+ if(input == NULL) {
+ fprintf(stderr, "Memory allocation error.\n");
+ exit(1);
+ }
+ if(eightbit) {
+ ret = QRinput_append(input, QR_MODE_8, strlen(str), (unsigned char *)str);
+ } else {
+ ret = Split_splitStringToQRinput(str, input, hint, casesensitive);
+ }
+ if(ret < 0) {
+ perror("Encoding the input string");
+ exit(1);
+ }
+
+ view(0, input);
+
+ QRinput_free(input);
+}
+
+void view_multiText(char **argv, int argc)
+{
+ textc = argc;
+ textv = argv;
+
+ view(1, NULL);
+}
+
+int main(int argc, char **argv)
+{
+ int opt, lindex = -1;
+ char *intext = NULL;
+
+ 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(0);
+ break;
+ case 's':
+ size = atoi(optarg);
+ if(size <= 0) {
+ fprintf(stderr, "Invalid size: %d\n", size);
+ exit(1);
+ }
+ break;
+ case 'v':
+ version = atoi(optarg);
+ if(version < 0) {
+ fprintf(stderr, "Invalid version: %d\n", version);
+ exit(1);
+ }
+ 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(1);
+ break;
+ }
+ break;
+ case 'm':
+ margin = atoi(optarg);
+ if(margin < 0) {
+ fprintf(stderr, "Invalid margin: %d\n", margin);
+ exit(1);
+ }
+ break;
+ case 'S':
+ structured = 1;
+ case 'k':
+ hint = QR_MODE_KANJI;
+ break;
+ case 'c':
+ casesensitive = 1;
+ break;
+ case 'i':
+ casesensitive = 0;
+ break;
+ case '8':
+ eightbit = 1;
+ break;
+ case 'V':
+ usage(0, 0);
+ exit(0);
+ break;
+ default:
+ fprintf(stderr, "Try `view_qrcode --help' for more information.\n");
+ exit(1);
+ break;
+ }
+ }
+ if(argc == 1) {
+ usage(1, 0);
+ exit(0);
+ }
+
+ if(optind < argc) {
+ intext = argv[optind];
+ }
+ if(intext == NULL) {
+ intext = readStdin();
+ }
+
+ if(SDL_Init(SDL_INIT_VIDEO) < 0) {
+ fprintf(stderr, "Failed initializing SDL: %s\n", SDL_GetError());
+ return -1;
+ }
+ if(structured && version < 1) {
+ fprintf(stderr, "Version number must be greater than 0 to encode structured symbols.\n");
+ exit(1);
+ }
+ if(structured && (argc - optind > 1)) {
+ view_multiText(argv + optind, argc - optind);
+ } else {
+ view_simple(intext);
+ }
+
+ SDL_Quit();
+
+ return 0;
+}
projects / glabels / blobdiff