int convert_remove_range(MagickWand *input, uint32_t start, uint32_t end) {
MagickSetImageIndex(input, start);
while (start++ < end) {
if (MagickRemoveImage(input) != MagickPass) return MagickFail;
}
return MagickPass;
}
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(!MagickSetImageIndex(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(!MagickGetImagePixels(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);
}
