remove(file3.c_str());
remove(file4.c_str());
}
+
+class CV_GrfmtReadTifTiledWithNotFullTiles: public cvtest::BaseTest
+{
+public:
+ void run(int)
+ {
+ try
+ {
+ /* see issue #3472 - dealing with tiled images where the tile size is
+ * not a multiple of image size.
+ * The tiled images were created with 'convert' from ImageMagick,
+ * using the command 'convert <input> -define tiff:tile-geometry=128x128 -depth [8|16] <output>
+ * Note that the conversion to 16 bits expands the range from 0-255 to 0-255*255,
+ * so the test converts back but rounding errors cause small differences.
+ */
+ cv::Mat img = imread(string(ts->get_data_path()) + "readwrite/non_tiled.tif",-1);
+ if (img.empty()) ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
+ ASSERT_TRUE(img.channels() == 3);
+ cv::Mat tiled8 = imread(string(ts->get_data_path()) + "readwrite/tiled_8.tif", -1);
+ if (tiled8.empty()) ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
+ ASSERT_PRED_FORMAT2(cvtest::MatComparator(0, 0), img, tiled8);
+
+ cv::Mat tiled16 = imread(string(ts->get_data_path()) + "readwrite/tiled_16.tif", -1);
+ if (tiled16.empty()) ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
+ ASSERT_TRUE(tiled16.elemSize() == 6);
+ tiled16.convertTo(tiled8, CV_8UC3, 1./256.);
+ ASSERT_PRED_FORMAT2(cvtest::MatComparator(2, 0), img, tiled8);
+ // What about 32, 64 bit?
+ }
+ catch(...)
+ {
+ ts->set_failed_test_info(cvtest::TS::FAIL_EXCEPTION);
+ }
+ ts->set_failed_test_info(cvtest::TS::OK);
+ }
+};
+
+TEST(Highgui_Tiff, decode_tile_remainder)
+{
+ CV_GrfmtReadTifTiledWithNotFullTiles test; test.safe_run();
+}
+
#endif