Пример #1
0
int main(int argc, char **argv) {
  GError *tmp_err = NULL;

  // Parse arguments
  GOptionContext *ctx =
    g_option_context_new("SLIDE - retrieve information about a slide file");
  g_option_context_add_main_entries(ctx, options, NULL);
  if (!common_parse_options(ctx, &argc, &argv, &tmp_err)) {
    fprintf(stderr, "%s\n", tmp_err->message);
    g_clear_error(&tmp_err);
    g_option_context_free(ctx);
    return 2;
  }
  g_option_context_free(ctx);
  if (argc != 2) {
    fprintf(stderr, "No slide specified\n");
    return 2;
  }
  const char *filename = argv[1];

  // Query vendor
  if (query_vendor) {
    const char *vendor = openslide_detect_vendor(filename);
    printf("%s\n", vendor ? vendor : "");
  }

  return 0;
}
Пример #2
0
int
vips__openslide_isslide( const char *filename )
{
#ifdef HAVE_OPENSLIDE_3_4
	const char *vendor;
	int ok;

	vendor = openslide_detect_vendor( filename );

	/* Generic tiled tiff images can be opened by openslide as well.
	 * Only offer to load this file if it's not a generic tiff since
	 * we want vips_tiffload() to handle these.
	 */
	ok = ( vendor &&
		strcmp( vendor, "generic-tiff" ) != 0 );

	VIPS_DEBUG_MSG( "vips__openslide_isslide: %s - %d\n", filename, ok );

	return( ok );
#else
	openslide_t *osr;
	int ok;

	ok = 0;
	osr = openslide_open( filename );

	if( osr ) {
		const char *vendor;

		/* Generic tiled tiff images can be opened by openslide as
		 * well. Only offer to load this file if it's not a generic
		 * tiff since we want vips_tiffload() to handle these.
		 */
		vendor = openslide_get_property_value( osr,
			OPENSLIDE_PROPERTY_NAME_VENDOR );

		/* vendor will be NULL if osr is in error state.
		 */
		if( vendor &&
			strcmp( vendor, "generic-tiff" ) != 0 )
			ok = 1;

		openslide_close( osr );
	} 

	VIPS_DEBUG_MSG( "vips__openslide_isslide: %s - %d\n", filename, ok );

	return( ok );
#endif
}
Пример #3
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;
}