it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+ along with libdcp. If not, see <http://www.gnu.org/licenses/>.
/** Convert a test image from sRGB to XYZ and check that the transforms are right */
BOOST_AUTO_TEST_CASE (rgb_xyz_test)
{
/** Convert a test image from sRGB to XYZ and check that the transforms are right */
BOOST_AUTO_TEST_CASE (rgb_xyz_test)
{
dcp::Size const size (640, 480);
scoped_array<uint8_t> rgb (new uint8_t[size.width * size.height * 6]);
dcp::Size const size (640, 480);
scoped_array<uint8_t> rgb (new uint8_t[size.width * size.height * 6]);
for (int x = 0; x < size.width; ++x) {
/* Write a 12-bit random number for each component */
for (int c = 0; c < 3; ++c) {
for (int x = 0; x < size.width; ++x) {
/* Write a 12-bit random number for each component */
for (int c = 0; c < 3; ++c) {
BOOST_AUTO_TEST_CASE (xyz_rgb_range_test)
{
shared_ptr<dcp::OpenJPEGImage> xyz (new dcp::OpenJPEGImage (dcp::Size (2, 2)));
BOOST_AUTO_TEST_CASE (xyz_rgb_range_test)
{
shared_ptr<dcp::OpenJPEGImage> xyz (new dcp::OpenJPEGImage (dcp::Size (2, 2)));
/** Convert an image from RGB to XYZ and back again */
BOOST_AUTO_TEST_CASE (rgb_xyz_round_trip_test)
{
/** Convert an image from RGB to XYZ and back again */
BOOST_AUTO_TEST_CASE (rgb_xyz_round_trip_test)
{
dcp::Size const size (640, 480);
scoped_array<uint8_t> rgb (new uint8_t[size.width * size.height * 6]);
dcp::Size const size (640, 480);
scoped_array<uint8_t> rgb (new uint8_t[size.width * size.height * 6]);
for (int x = 0; x < size.width; ++x) {
/* Write a 12-bit random number for each component */
for (int c = 0; c < 3; ++c) {
for (int x = 0; x < size.width; ++x) {
/* Write a 12-bit random number for each component */
for (int c = 0; c < 3; ++c) {
scoped_array<uint8_t> back (new uint8_t[size.width * size.height * 6]);
dcp::xyz_to_rgb (xyz, dcp::ColourConversion::srgb_to_xyz (), back.get(), size.width * 6);
scoped_array<uint8_t> back (new uint8_t[size.width * size.height * 6]);
dcp::xyz_to_rgb (xyz, dcp::ColourConversion::srgb_to_xyz (), back.get(), size.width * 6);
uint16_t* p = reinterpret_cast<uint16_t*> (rgb.get ());
uint16_t* q = reinterpret_cast<uint16_t*> (back.get ());
for (int i = 0; i < (size.width * size.height); ++i) {
/* XXX: doesn't quite work */
// BOOST_REQUIRE_EQUAL (*p++, *q++);
}
uint16_t* p = reinterpret_cast<uint16_t*> (rgb.get ());
uint16_t* q = reinterpret_cast<uint16_t*> (back.get ());
for (int i = 0; i < (size.width * size.height); ++i) {
/* XXX: doesn't quite work */
// BOOST_REQUIRE_EQUAL (*p++, *q++);
}