int qransi (const char *encodable)
{
int padding = 2;
QRecLevel level = QR_ECLEVEL_L;
int x, y, width;
unsigned char *data;
QRcode * code = QRcode_encodeString(encodable, 0, level, QR_MODE_8, 1);
if (!code)
return 1;
width = code->width;
data = code->data;
whiteRow(padding, width);
for (y=0; y<width; y++) {
pixels(WHITE, padding);
for (x=0; x<width; x++, data++)
pixels(*data&1?BLACK:WHITE, 1);
pixels(WHITE, padding);
printf("\n");
}
whiteRow(padding, width);
QRcode_free(code);
return 0;
}
fields_t* limits(filtro_gestos_in_imagen_t* image)
{
int left,right,up,down;
int arriba,izq,i,l,cont,punt,posi,media,dif,jumps;
fields_t* fields= (fields_t*)malloc(sizeof(fields_t));
int* caracXfila;
fields->cimaCI=fields->cimaCD=fields->cimaFT=fields->cimaFD=0;
arriba=izq=cont=punt=posi=media=jumps=0;
for(i=1; i<image->m_alto-1; i++)
if(whiteRow(i,0,image->m_ancho*image->m_bytes,image)){
if(!whiteRow(i-1,0,image->m_ancho*image->m_bytes,image) && arriba){
fields->filasDown[fields->cimaFD]=i; fields->cimaFD++; arriba=0;
}
if(!whiteRow(i+1,0,image->m_ancho*image->m_bytes,image)){
fields->filasTop[fields->cimaFT]=i; fields->cimaFT++; arriba=1;
}
}
caracXfila= (int*)malloc(sizeof(int)*fields->cimaFT);
for(l=0; l<fields->cimaFT; l++){
for(i=image->m_bytes; i<(image->m_ancho-1)*image->m_bytes; i+=image->m_bytes){
if(whiteColumn(i,fields->filasTop[l],fields->filasDown[l],image)){
if(!whiteColumn(i-image->m_bytes,fields->filasTop[l],fields->filasDown[l],image) && izq){
fields->columnasIzq[fields->cimaCI]=i; fields->cimaCI++; izq=0;
}
if(!whiteColumn(i+image->m_bytes,fields->filasTop[l],fields->filasDown[l],image)){
fields->columnasDcha[fields->cimaCD]=i; fields->cimaCD++; izq=1;
}
}
}
caracXfila[l] = (l>0) ? fields->cimaCI-caracXfila[l-1]: fields->cimaCI;
}
fields->ptosSI= (coord_t**)malloc(sizeof(coord_t*)*fields->cimaCD);
for(i=0; i<fields->cimaCD; i++){
if(punt==caracXfila[posi]){punt=0; posi++;}
fields->ptosSI[cont]= (coord_t*)malloc(sizeof(coord_t));
fields->ptosSI[cont]->m_x= fields->columnasDcha[i];
fields->ptosSI[cont]->m_y= fields->filasTop[posi];
cont++; punt++;
}
fields->ptosID= (coord_t**)malloc(sizeof(coord_t*)*fields->cimaCI);
cont=punt=posi=0;
for(i=0; i<fields->cimaCI; i++){
if(punt==caracXfila[posi]){punt=0; posi++;}
fields->ptosID[cont]= (coord_t*)malloc(sizeof(coord_t));
fields->ptosID[cont]->m_x= fields->columnasIzq[i];
fields->ptosID[cont]->m_y= fields->filasDown[posi];
cont++; punt++;
}
free(caracXfila);
//Saca espacios
if(fields->cimaCI > 0) {
fields->espacios= (int*)malloc(sizeof(int)*fields->cimaCI-1);
for(i=0; i<fields->cimaCI-1; i++)fields->espacios[i]=0;
for(i=0; i<fields->cimaCI-1; i++){
dif= fields->ptosSI[i+1]->m_x-fields->ptosID[i]->m_x;
if(dif<0){fields->espacios[i]=1;jumps++;}else media+=dif;
}
if(fields->cimaCI-jumps>0) {
media/=fields->cimaCI-jumps;
}
else {
media=0;
}
for(i=0; i<fields->cimaCI-1; i++){
dif= fields->ptosSI[i+1]->m_x-fields->ptosID[i]->m_x;
if(dif>media*FACTOR)fields->espacios[i]=1;
}
}
else {
fields->espacios = 0;
}
// Ajustar
for(i=0; i<fields->cimaCI; i++){
int upi,downi,lefti,righti;
left = fields->ptosSI[i]->m_x;
right=fields->ptosID[i]->m_x;
down = fields->ptosID[i]->m_y;
up = fields->ptosSI[i]->m_y;
upi = downi = lefti = righti = 0;
while(!upi) {
!whiteRow(up,left,right,image) ? upi=1: up++;
}
while(!downi) {
!whiteRow(down,left,right,image) ? downi=1: down--;
}
while(!lefti) {
// WARNING: añado esto porque
// si no, se queda colgado aquí
if(left >= image->m_ancho) {
break;
}
!whiteColumn(left,up,down,image) ? lefti=1: left++;
}
while(!righti) {
// WARNING: lo mismo aquí
// esto debería estar programado de otra manera
if(right == 0) {
break;
}
!whiteColumn(right,up,down,image) ? righti=1: right--;
}
fields->ptosID[i]->m_x = right;
fields->ptosSI[i]->m_x = left;
fields->ptosSI[i]->m_y = up;
fields->ptosID[i]->m_y = down;
}
return fields;
}