Support conversion to and from the XYZ color space.

[movit] / colorspace_conversion_effect.cpp

diff --git a/colorspace_conversion_effect.cpp b/colorspace_conversion_effect.cpp
index 9726b3b69afdb283b24cb043a9d42643a03661d2..2f74a2785ec49a84bfe518f9b2b99cc07ef6f8c9 100644 (file)
--- a/colorspace_conversion_effect.cpp
+++ b/colorspace_conversion_effect.cpp
@@ -25,6 +25,13 @@ ColorSpaceConversionEffect::ColorSpaceConversionEffect()
 
 void get_xyz_matrix(ColorSpace space, Matrix3x3 m)
 {
+       if (space == COLORSPACE_XYZ) {
+               m[0] = 1.0f; m[3] = 0.0f; m[6] = 0.0f;
+               m[1] = 0.0f; m[4] = 1.0f; m[7] = 0.0f;
+               m[2] = 0.0f; m[5] = 0.0f; m[8] = 1.0f;
+               return;
+       }
+
        double x_R, x_G, x_B;
        double y_R, y_G, y_B;
        double Y_R, Y_G, Y_B;