Normalize the resample weight after bilinear combining.

[movit] / colorspace_conversion_effect.h

diff --git a/colorspace_conversion_effect.h b/colorspace_conversion_effect.h
index 8e691c438ad6c8f6a1f52766c278774fb1d57b2b..ab8a8aa3ea630a7ebb98bc729b5b2ae643c87d8c 100644 (file)
--- a/colorspace_conversion_effect.h
+++ b/colorspace_conversion_effect.h
@@ -8,6 +8,7 @@
 // We don't do any fancy gamut mapping or similar; colors that are out-of-gamut
 // will simply stay out-of-gamut, and probably clip in the output stage.
 
+#include <Eigen/Core>
 #include <string>
 
 #include "effect.h"
@@ -26,6 +27,9 @@ public:
        virtual bool needs_srgb_primaries() const { return false; }
        virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
 
+       // Get a conversion matrix from the given color space to XYZ.
+       static Eigen::Matrix3d get_xyz_matrix(Colorspace space);
+
 private:
        Colorspace source_space, destination_space;
 };