// API: open a fancy image
struct fancy_image *fancy_image_open(char *filename, char *options)
{
// create return struct and its alias
//struct fancy_image r[1];
struct fancy_image *r = xmalloc(sizeof*r); // I hate this malloc!
struct FI *f = (void*)r;
// process options parameter
interpret_options(f, options);
// if "c", do create the file
if (f->option_creat) {
if (filename_corresponds_to_tiffo(filename) || f->option_tw > 0)
create_zero_tiff_file(filename,
f->option_w, f->option_h,
f->option_tw, f->option_th,
f->option_spp, f->option_bps,
f->option_fmt,
true, f->option_compressed);
else
create_iio_file(filename, f->option_w, f->option_h,
f->option_spp);
}
// read the image
if (filename_corresponds_to_tiffo(filename)) {
f->tiffo = true;
tiff_octaves_init0(f->t, filename, f->megabytes,f->max_octaves);
if (f->option_write) f->t->option_write = true;
f->w = f->t->i->w;
f->h = f->t->i->h;
f->pd = f->t->i->spp;
f->no = f->t->noctaves;
} else {
f->tiffo = false;
f->x = iio_read_image_float_vec(filename, &f->w, &f->h, &f->pd);
f->no = build_pyramid(f, f->max_octaves);
strncpy(f->x_filename, filename, FILENAME_MAX);
f->x_changed = false;
}
if (f->option_verbose) {
fprintf(stderr, "FANCY IMAGE \"%s\"\n", filename);
fprintf(stderr, "\tw = %d\n", f->w);
fprintf(stderr, "\th = %d\n", f->h);
fprintf(stderr, "\tpd = %d\n", f->pd);
fprintf(stderr, "\tno = %d\n", f->no);
fprintf(stderr, "\n");
fprintf(stderr, "\tmax_octaves= %d\n", f->max_octaves);
fprintf(stderr, "\ttiffo = %d\n", f->tiffo);
fprintf(stderr, "\tmegabytes = %g\n", f->megabytes);
}
// return image struct
return r;
}
void generic_read(struct FI *f, char *filename)
{
if (filename_corresponds_to_tiffo(filename)) {
#ifdef FANCY_TIFF
f->tiffo = true;
tiff_octaves_init0(f->t, filename, f->megabytes,f->max_octaves);
if (f->option_write) f->t->option_write = true;
f->w = f->t->i->w;
f->h = f->t->i->h;
f->pd = f->t->i->spp;
f->no = f->t->noctaves;
#else
assert(false);
#endif
} else if (!f->option_write && FORCE_GDAL()) {
#ifdef FANCY_GDAL
f->gdal = true;
GDALAllRegister();
char buf[2*FILENAME_MAX];
snprintf(buf, 2*FILENAME_MAX, has_prefix(filename, "http://") ||
has_prefix(filename, "https://") ?
"/vsicurl/%s" : "%s", filename);
f->gdal_img = GDALOpen(buf, GA_ReadOnly);
fprintf(stderr, "gdal_dataset = %p\n", f->gdal_img);
f->pd = GDALGetRasterCount(f->gdal_img);
f->w = GDALGetRasterXSize(f->gdal_img);
f->h = GDALGetRasterYSize(f->gdal_img);
f->no = 1;
for (int i = 0; i < f->pd; i++)
f->gdal_band[i] = GDALGetRasterBand(f->gdal_img, i+1);
#else
assert(false);
#endif
} else {
f->x = iio_read_image_float_vec(filename, &f->w, &f->h, &f->pd);
f->no = build_pyramid(f, f->max_octaves);
snprintf(f->x_filename, FILENAME_MAX, "%s", filename);
f->x_changed = false;
}
}
void tiff_octaves_init(struct tiff_octaves *t, char *filepattern,
double megabytes)
{
tiff_octaves_init0(t, filepattern, megabytes, MAX_OCTAVES);
}
