- set_border_colour (program);
-
- auto conversion = dcp::ColourConversion::rec709_to_xyz();
- boost::numeric::ublas::matrix<double> matrix = conversion.xyz_to_rgb ();
- GLfloat gl_matrix[] = {
- static_cast<float>(matrix(0, 0)), static_cast<float>(matrix(0, 1)), static_cast<float>(matrix(0, 2)), 0.0f,
- static_cast<float>(matrix(1, 0)), static_cast<float>(matrix(1, 1)), static_cast<float>(matrix(1, 2)), 0.0f,
- static_cast<float>(matrix(2, 0)), static_cast<float>(matrix(2, 1)), static_cast<float>(matrix(2, 2)), 0.0f,
- 0.0f, 0.0f, 0.0f, 1.0f
- };
-
- auto colour_conversion = glGetUniformLocation (program, "colour_conversion");
- check_gl_error ("glGetUniformLocation");
- glUniformMatrix4fv (colour_conversion, 1, GL_TRUE, gl_matrix);
+ set_outline_content_colour (program);
+ set_crop_guess_colour (program);
+
+ auto ublas_to_gl = [](boost::numeric::ublas::matrix<double> const& ublas, GLfloat* gl) {
+ gl[0] = static_cast<float>(ublas(0, 0));
+ gl[1] = static_cast<float>(ublas(0, 1));
+ gl[2] = static_cast<float>(ublas(0, 2));
+ gl[3] = 0.0f;
+ gl[4] = static_cast<float>(ublas(1, 0));
+ gl[5] = static_cast<float>(ublas(1, 1));
+ gl[6] = static_cast<float>(ublas(1, 2));
+ gl[7] = 0.0f;
+ gl[8] = static_cast<float>(ublas(2, 0));
+ gl[9] = static_cast<float>(ublas(2, 1));
+ gl[10] = static_cast<float>(ublas(2, 2));
+ gl[11] = 0.0f;
+ gl[12] = 0.0f;
+ gl[13] = 0.0f;
+ gl[14] = 0.0f;
+ gl[15] = 1.0f;
+ };
+
+ {
+ auto conversion = dcp::ColourConversion::rec709_to_xyz();
+ boost::numeric::ublas::matrix<double> matrix = conversion.xyz_to_rgb ();
+ GLfloat gl_matrix[16];
+ ublas_to_gl(matrix, gl_matrix);
+
+ auto xyz_rec709_colour_conversion = glGetUniformLocation(program, "xyz_rec709_colour_conversion");
+ check_gl_error ("glGetUniformLocation");
+ glUniformMatrix4fv(xyz_rec709_colour_conversion, 1, GL_TRUE, gl_matrix);
+ }
+
+ {
+ auto xyz_rec709 = dcp::ColourConversion::rec709_to_xyz().xyz_to_rgb();
+ auto rec2020_xyz = dcp::ColourConversion::rec2020_to_xyz().rgb_to_xyz();
+ auto product = boost::numeric::ublas::prod(xyz_rec709, rec2020_xyz);
+
+ GLfloat gl_matrix[16];
+ ublas_to_gl(product, gl_matrix);
+
+ auto rec2020_rec709_colour_conversion = glGetUniformLocation(program, "rec2020_rec709_colour_conversion");
+ check_gl_error("glGetUniformLocation");
+ glUniformMatrix4fv(rec2020_rec709_colour_conversion, 1, GL_TRUE, gl_matrix);
+ }