#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <SDL.h>
#include "common.h"
#include "../qrencode_inner.h"
#include "../qrspec.h"
SDL_Surface *screen = NULL;
#define WIDTH 400
int eventloop(void)
{
SDL_Event event;
int q = 1;
while(q) {
usleep(10000);
while(SDL_PollEvent(&event)) {
if(event.type == SDL_KEYDOWN) {
switch(event.key.keysym.sym) {
case SDLK_SPACE:
q = 0;
break;
case SDLK_ESCAPE:
q = 0;
break;
default:
break;
}
}
if(event.type == SDL_QUIT) {
return -1;
}
}
}
return 0;
}
void view_simple(void)
{
QRinput *stream;
char num[9] = "01234567";
unsigned char *frame, *q;
unsigned int v, *p1, *p2;
int width;
int x, y;
int pitch;
int flag = 1;
int version = 1;
int mask = 0;
QRecLevel level = QR_ECLEVEL_L;
QRcode *qrcode;
SDL_Event event;
int loop;
stream = QRinput_new();
QRinput_append(stream, QR_MODE_NUM, 8, (unsigned char *)num);
while(flag) {
qrcode = QRenc_encodeMask(stream, version, level, mask);
width = qrcode->width;
frame = qrcode->data;
pitch = screen->pitch;
q = frame;
SDL_FillRect(screen, NULL, 0xffffff);
for(y=0; y<width; y++) {
p1 = (unsigned int *)(screen->pixels + pitch * (y + 4) * 2 + 32);
p2 = (unsigned int *)(screen->pixels + pitch * ((y + 4) * 2 + 1) + 32);
for(x=0; x<width; x++) {
v = (*q&1)?0:0xffffff;
p1[x * 2] = v;
p1[x * 2 + 1] = v;
p2[x * 2] = v;
p2[x * 2 + 1] = v;
q++;
}
}
SDL_Flip(screen);
QRcode_free(qrcode);
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_0:
case SDLK_1:
case SDLK_2:
case SDLK_3:
case SDLK_4:
case SDLK_5:
case SDLK_6:
case SDLK_7:
mask = (event.key.keysym.sym - SDLK_0);
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;
}
}
}
}
QRinput_free(stream);
}
int main()
{
if(SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "Failed initializing SDL: %s\n", SDL_GetError());
return -1;
}
screen = SDL_SetVideoMode(WIDTH, WIDTH, 32, 0);
view_simple();
return 0;
}
