X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_expansion_effect.h;h=cc65e4fa48924022cf5f3d05e70693cd06809b36;hp=ce999902f7be24b4ddace89ea12384cb7dbf5def;hb=6278a96c8e0ea5df9d831ecd5b893f831ddc8297;hpb=b10c546f579c7ccb5939161e61a71cd18a3f9bbd

diff --git a/gamma_expansion_effect.h b/gamma_expansion_effect.h
index ce99990..cc65e4f 100644
--- a/gamma_expansion_effect.h
+++ b/gamma_expansion_effect.h
@@ -7,14 +7,20 @@
 //
 // Currently supports sRGB and Rec. 601/709.
 
+#include <string>
+
 #include "effect.h"
-#include "effect_chain.h"
+#include "image_format.h"
 
 #define EXPANSION_CURVE_SIZE 256
 
 class GammaExpansionEffect : public Effect {
-public:
+private:
+	// Should not be instantiated by end users.
 	GammaExpansionEffect();
+	friend class EffectChain;
+
+public:
 	virtual std::string effect_type_id() const { return "GammaExpansionEffect"; }
 	std::string output_fragment_shader();