int
vips__openslide_read_associated( const char *filename, VipsImage *out,
const char *associated )
{
ReadSlide *rslide;
VipsImage *raw;
const char *error;
VIPS_DEBUG_MSG( "vips__openslide_read_associated: %s %s\n",
filename, associated );
/* Memory buffer. Get associated directly to this, then copy to out.
*/
raw = vips_image_new_buffer();
vips_object_local( out, raw );
if( !(rslide = readslide_new( filename, raw, 0, associated )) ||
vips_image_write_prepare( raw ) )
return( -1 );
openslide_read_associated_image( rslide->osr, rslide->associated,
(uint32_t *) VIPS_IMAGE_ADDR( raw, 0, 0 ) );
error = openslide_get_error( rslide->osr );
if( error ) {
vips_error( "openslide2vips",
_( "reading associated image: %s" ), error );
return( -1 );
}
if( vips_image_write( raw, out ) )
return( -1 );
return( 0 );
}
int main(int argc, char **argv) {
if (!g_thread_supported()) {
g_thread_init(NULL);
}
if (argc != 2) {
fail("No file specified");
}
const char *path = argv[1];
if (g_str_equal(path, "--leak-check--")) {
child_check_open_fds();
return 0;
}
openslide_get_version();
if (!openslide_detect_vendor(path)) {
fail("No vendor for %s", path);
}
openslide_t *osr = openslide_open(path);
if (!osr) {
fail("Couldn't open %s", path);
}
const char *err = openslide_get_error(osr);
if (err) {
fail("Open failed: %s", err);
}
openslide_close(osr);
osr = openslide_open(path);
if (!osr || openslide_get_error(osr)) {
fail("Reopen failed");
}
int64_t w, h;
openslide_get_level0_dimensions(osr, &w, &h);
int32_t levels = openslide_get_level_count(osr);
for (int32_t i = -1; i < levels + 1; i++) {
int64_t ww, hh;
openslide_get_level_dimensions(osr, i, &ww, &hh);
openslide_get_level_downsample(osr, i);
}
openslide_get_best_level_for_downsample(osr, 0.8);
openslide_get_best_level_for_downsample(osr, 1.0);
openslide_get_best_level_for_downsample(osr, 1.5);
openslide_get_best_level_for_downsample(osr, 2.0);
openslide_get_best_level_for_downsample(osr, 3.0);
openslide_get_best_level_for_downsample(osr, 3.1);
openslide_get_best_level_for_downsample(osr, 10);
openslide_get_best_level_for_downsample(osr, 20);
openslide_get_best_level_for_downsample(osr, 25);
openslide_get_best_level_for_downsample(osr, 100);
openslide_get_best_level_for_downsample(osr, 1000);
openslide_get_best_level_for_downsample(osr, 10000);
// NULL buffer
openslide_read_region(osr, NULL, 0, 0, 0, 1000, 1000);
// empty region
openslide_read_region(osr, NULL, 0, 0, 0, 0, 0);
// read properties
const char * const *property_names = openslide_get_property_names(osr);
while (*property_names) {
const char *name = *property_names;
openslide_get_property_value(osr, name);
property_names++;
}
// read associated images
const char * const *associated_image_names =
openslide_get_associated_image_names(osr);
while (*associated_image_names) {
int64_t w, h;
const char *name = *associated_image_names;
openslide_get_associated_image_dimensions(osr, name, &w, &h);
uint32_t *buf = g_new(uint32_t, w * h);
openslide_read_associated_image(osr, name, buf);
g_free(buf);
associated_image_names++;
}
test_image_fetch(osr, -10, -10, 200, 200);
test_image_fetch(osr, w/2, h/2, 500, 500);
test_image_fetch(osr, w - 200, h - 100, 500, 400);
test_image_fetch(osr, w*2, h*2, 400, 400);
test_image_fetch(osr, w - 20, 0, 40, 100);
test_image_fetch(osr, 0, h - 20, 100, 40);
// active region
const char *bounds_x = openslide_get_property_value(osr, OPENSLIDE_PROPERTY_NAME_BOUNDS_X);
const char *bounds_y = openslide_get_property_value(osr, OPENSLIDE_PROPERTY_NAME_BOUNDS_Y);
int64_t bounds_xx = 0;
int64_t bounds_yy = 0;
if (bounds_x && bounds_y) {
bounds_xx = g_ascii_strtoll(bounds_x, NULL, 10);
bounds_yy = g_ascii_strtoll(bounds_y, NULL, 10);
test_image_fetch(osr, bounds_xx, bounds_yy, 200, 200);
}
openslide_close(osr);
check_cloexec_leaks(path, argv[0], bounds_xx, bounds_yy);
return 0;
}