X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=colorspace_conversion_effect.h;h=76246d6519e4b6c668d38d3b6d3595541091578d;hp=93db321d79a3f9e201efca2e5ee6d35fd19e195e;hb=refs%2Fheads%2Fepoxy;hpb=b10c546f579c7ccb5939161e61a71cd18a3f9bbd

diff --git a/colorspace_conversion_effect.h b/colorspace_conversion_effect.h
index 93db321..76246d6 100644
--- a/colorspace_conversion_effect.h
+++ b/colorspace_conversion_effect.h
@@ -1,5 +1,5 @@
-#ifndef _COLORSPACE_CONVERSION_EFFECT_H
-#define _COLORSPACE_CONVERSION_EFFECT_H 1
+#ifndef _MOVIT_COLORSPACE_CONVERSION_EFFECT_H
+#define _MOVIT_COLORSPACE_CONVERSION_EFFECT_H 1
 
 // An effect to convert between different color spaces.
 // Can convert freely between sRGB/Rec. 709 and the two different Rec. 601
@@ -8,20 +8,34 @@
 // 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"
-#include "effect_chain.h"
+#include "image_format.h"
+
+namespace movit {
 
 class ColorspaceConversionEffect : public Effect {
-public:
+private:
+	// Should not be instantiated by end users.
 	ColorspaceConversionEffect();
+	friend class EffectChain;
+
+public:
 	virtual std::string effect_type_id() const { return "ColorspaceConversionEffect"; }
 	std::string output_fragment_shader();
 
 	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;
 };
 
-#endif // !defined(_COLORSPACE_CONVERSION_EFFECT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_COLORSPACE_CONVERSION_EFFECT_H)