const char* rho_barcode_barcode_recognize(const char* filename) {
void* img_buf = 0;
int img_width;
int img_height;
rho_platform_image_load_grayscale(filename, &img_buf, &img_width, &img_height);
if (img_buf != 0)
{
zbar_image_scanner_t* zbar_img_scanner = zbar_image_scanner_create();
zbar_image_t* zbar_img = zbar_image_create();
const zbar_symbol_t* zbar_symbol = 0;
zbar_image_scanner_set_config(zbar_img_scanner, ZBAR_NONE, ZBAR_CFG_ENABLE, 1);
zbar_image_set_format(zbar_img, zbar_fourcc('Y','8','0','0'));
zbar_image_set_size(zbar_img, img_width, img_height);
//zbar_image_set_data(zbar_img, img_buf, img_width * img_height, zbar_image_free_data);
zbar_image_set_data(zbar_img, img_buf, img_width * img_height, 0);
zbar_scan_image(zbar_img_scanner, zbar_img);
// get result
//zbar_symbol_set_t* zbar_symbols = zbar_image_get_symbols(zbar_img);
zbar_symbol = zbar_image_first_symbol(zbar_img);
if (zbar_symbol != 0) {
//printf(zbar_symbol_get_data(zbar_symbol));
//sprintf(strbuf, "IMG [%d x %d ]\nCODE = %s",img_width, img_height, zbar_symbol_get_data(zbar_symbol));
strcpy(strbuf, zbar_symbol_get_data(zbar_symbol));
}
else {
//sprintf(strbuf, "IMG [%d x %d ]\nCODE IS UNRECOGNIZED ",img_width, img_height);
strcpy(strbuf, "");
}
zbar_image_destroy(zbar_img);
zbar_image_scanner_destroy(zbar_img_scanner);
}
else {
//sprintf(strbuf, "NO IMG TO RECOGNIZE",img_width, img_height);
strcpy(strbuf, "");
}
if (img_buf) {
rho_platform_image_free(img_buf);
}
return strbuf;
}
static void qr_detect_init()
{
zscn = zbar_image_scanner_create();
zbar_image_scanner_set_config(zscn, 0, ZBAR_CFG_ENABLE, 1);
zbar_image_scanner_set_config(zscn, 0, ZBAR_CFG_X_DENSITY, 1);
zbar_image_scanner_set_config(zscn, 0, ZBAR_CFG_Y_DENSITY, 1);
zimg = zbar_image_create();
zbar_image_set_size(zimg, 640, 360);
zbar_image_set_format(zimg, zbar_fourcc('G','R','E','Y'));
}
static int scan_image (const char *filename)
{
if(exit_code == 3)
return(-1);
int found = 0;
MagickWand *images = NewMagickWand();
if(!MagickReadImage(images, filename) && dump_error(images))
return(-1);
unsigned seq, n = MagickGetNumberImages(images);
for(seq = 0; seq < n; seq++) {
if(exit_code == 3)
return(-1);
if(!MagickSetIteratorIndex(images, seq) && dump_error(images))
return(-1);
zbar_image_t *zimage = zbar_image_create();
assert(zimage);
zbar_image_set_format(zimage, zbar_fourcc('Y','8','0','0'));
int width = MagickGetImageWidth(images);
int height = MagickGetImageHeight(images);
zbar_image_set_size(zimage, width, height);
// extract grayscale image pixels
// FIXME color!! ...preserve most color w/422P
// (but only if it's a color image)
size_t bloblen = width * height;
unsigned char *blob = malloc(bloblen);
zbar_image_set_data(zimage, blob, bloblen, zbar_image_free_data);
if(!MagickExportImagePixels(images, 0, 0, width, height,
"I", CharPixel, blob))
return(-1);
if(xmllvl == 1) {
xmllvl++;
printf("<source href='%s'>\n", filename);
}
zbar_process_image(processor, zimage);
// output result data
const zbar_symbol_t *sym = zbar_image_first_symbol(zimage);
for(; sym; sym = zbar_symbol_next(sym)) {
zbar_symbol_type_t typ = zbar_symbol_get_type(sym);
unsigned len = zbar_symbol_get_data_length(sym);
if(typ == ZBAR_PARTIAL)
continue;
else if(xmllvl <= 0) {
if(!xmllvl)
printf("%s:", zbar_get_symbol_name(typ));
if(len &&
fwrite(zbar_symbol_get_data(sym), len, 1, stdout) != 1) {
exit_code = 1;
return(-1);
}
}
else {
if(xmllvl < 3) {
xmllvl++;
printf("<index num='%u'>\n", seq);
}
zbar_symbol_xml(sym, &xmlbuf, &xmlbuflen);
if(fwrite(xmlbuf, xmlbuflen, 1, stdout) != 1) {
exit_code = 1;
return(-1);
}
}
printf("\n");
found++;
num_symbols++;
}
if(xmllvl > 2) {
xmllvl--;
printf("</index>\n");
}
fflush(stdout);
zbar_image_destroy(zimage);
num_images++;
if(zbar_processor_is_visible(processor)) {
int rc = zbar_processor_user_wait(processor, -1);
if(rc < 0 || rc == 'q' || rc == 'Q')
exit_code = 3;
}
}
if(xmllvl > 1) {
xmllvl--;
printf("</source>\n");
}
if(!found)
notfound++;
DestroyMagickWand(images);
return(0);
}
static inline int
test_processor ()
{
// create processor w/no video and no window
zbar::Processor proc(debug, NULL);
Handler handler;
proc.set_handler(handler);
if(debug) {
proc.set_visible();
proc.user_wait();
}
// generate barcode test image
zbar::Image rgb3(0, 0, "RGB3");
// test cast to C image
if(test_image_ean13(rgb3))
error("failed to generate image");
// test decode
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc.process_image(rgb3);
if(debug)
proc.user_wait();
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
check_image(rgb3);
if(rgb3.get_format() != zbar_fourcc('R','G','B','3'))
error("image format mismatch");
expect(zbar::ZBAR_NONE, "");
proc.set_config(zbar::ZBAR_EAN13,
zbar::ZBAR_CFG_ENABLE,
false);
proc.process_image(rgb3);
check_image(rgb3);
if(debug)
proc.user_wait();
proc.set_config("ean13.en");
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc << rgb3;
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
check_image(rgb3);
if(debug)
proc.user_wait();
{
zbar::Image grey(rgb3.convert(zbar_fourcc('G','R','E','Y')));
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc << grey;
zbar::Image y800 = grey.convert("Y800");
expect(zbar::ZBAR_EAN13, test_image_ean13_data);
proc << y800;
}
if(debug)
// check image data retention
proc.user_wait();
expect(zbar::ZBAR_NONE, "");
return(0);
}
