#include "xyz_frame.h"
#include "colour_conversion.h"
#include <boost/test/unit_test.hpp>
+#include <boost/bind.hpp>
using std::max;
+using std::list;
+using std::string;
using boost::shared_ptr;
+using boost::optional;
class SimpleImage : public dcp::Image
{
}
}
}
+
+static list<string> notes;
+
+static void
+note_handler (dcp::NoteType n, string s)
+{
+ BOOST_REQUIRE_EQUAL (n, dcp::DCP_NOTE);
+ notes.push_back (s);
+}
+
+/** Check that xyz_to_rgb clamps XYZ values correctly */
+BOOST_AUTO_TEST_CASE (xyz_rgb_range_test)
+{
+ shared_ptr<dcp::XYZFrame> xyz (new dcp::XYZFrame (dcp::Size (2, 2)));
+
+ xyz->data(0)[0] = -4;
+ xyz->data(0)[1] = 6901;
+ xyz->data(0)[2] = 0;
+ xyz->data(0)[3] = 4095;
+ xyz->data(1)[0] = -4;
+ xyz->data(1)[1] = 6901;
+ xyz->data(1)[2] = 0;
+ xyz->data(1)[3] = 4095;
+ xyz->data(2)[0] = -4;
+ xyz->data(2)[1] = 6901;
+ xyz->data(2)[2] = 0;
+ xyz->data(2)[3] = 4095;
+
+ uint16_t buffer[12];
+
+ notes.clear ();
+ dcp::xyz_to_rgb (xyz, dcp::ColourConversion::xyz_to_srgb (), buffer, boost::optional<dcp::NoteHandler> (boost::bind (¬e_handler, _1, _2)));
+
+ /* The 6 out-of-range samples should have been noted */
+ BOOST_REQUIRE_EQUAL (notes.size(), 6);
+ list<string>::const_iterator i = notes.begin ();
+ BOOST_REQUIRE_EQUAL (*i++, "XYZ value -4 out of range");
+ BOOST_REQUIRE_EQUAL (*i++, "XYZ value -4 out of range");
+ BOOST_REQUIRE_EQUAL (*i++, "XYZ value -4 out of range");
+ BOOST_REQUIRE_EQUAL (*i++, "XYZ value 6901 out of range");
+ BOOST_REQUIRE_EQUAL (*i++, "XYZ value 6901 out of range");
+ BOOST_REQUIRE_EQUAL (*i++, "XYZ value 6901 out of range");
+
+ /* And those samples should have been clamped, so check that they give the same result
+ as inputs at the extremes (0 and 4095).
+ */
+
+ BOOST_REQUIRE_EQUAL (buffer[0 * 3 + 0], buffer[2 * 3 + 1]);
+ BOOST_REQUIRE_EQUAL (buffer[0 * 3 + 1], buffer[2 * 3 + 1]);
+ BOOST_REQUIRE_EQUAL (buffer[0 * 3 + 2], buffer[2 * 3 + 2]);
+
+ BOOST_REQUIRE_EQUAL (buffer[1 * 3 + 0], buffer[3 * 3 + 0]);
+ BOOST_REQUIRE_EQUAL (buffer[1 * 3 + 1], buffer[3 * 3 + 1]);
+ BOOST_REQUIRE_EQUAL (buffer[1 * 3 + 2], buffer[3 * 3 + 2]);
+}