Fix a comment.

[movit] / glow_effect.h

diff --git a/glow_effect.h b/glow_effect.h
index c0ac9ce5ee4163516ee2806557196447786099a7..02520d7bd9ad8f87f38dd9c4365f63be9e85851f 100644 (file)
--- a/glow_effect.h
+++ b/glow_effect.h
@@ -1,17 +1,22 @@
-#ifndef _GLOW_EFFECT_H
-#define _GLOW_EFFECT_H 1
+#ifndef _MOVIT_GLOW_EFFECT_H
+#define _MOVIT_GLOW_EFFECT_H 1
 
 // Glow: Cut out the highlights of the image (everything above a certain threshold),
 // blur them, and overlay them onto the original image.
-//
-// FIXME: This might be broken after MixEffect started working in premultiplied alpha.
-// We need to think about how this is going to work, and then add a test.
+
+#include <epoxy/gl.h>
+#include <assert.h>
+#include <string>
 
 #include "effect.h"
 
+namespace movit {
+
 class BlurEffect;
-class MixEffect;
+class EffectChain;
 class HighlightCutoffEffect;
+class MixEffect;
+class Node;
 
 class GlowEffect : public Effect {
 public:
@@ -45,9 +50,14 @@ public:
        HighlightCutoffEffect();
        virtual std::string effect_type_id() const { return "HighlightCutoffEffect"; }
        std::string output_fragment_shader();
+       
+       virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+       virtual bool one_to_one_sampling() const { return true; }
 
 private:
        float cutoff;
 };
 
-#endif // !defined(_GLOW_EFFECT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_GLOW_EFFECT_H)