X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=resize_effect.h;h=774f510de592aedc4e0ae1991916629d62c64842;hp=c11f4bc9ea6dd9fd4e52241e5e16b8c46b73da21;hb=0934db945c8fde98315c6a4099dde2dfa423c0e7;hpb=2322070a3dbeb6b46b39cca07a0fbf20e95f5468

diff --git a/resize_effect.h b/resize_effect.h
index c11f4bc..774f510 100644
--- a/resize_effect.h
+++ b/resize_effect.h
@@ -1,10 +1,12 @@
-#ifndef _RESIZE_EFFECT_H
-#define _RESIZE_EFFECT_H 1
+#ifndef _MOVIT_RESIZE_EFFECT_H
+#define _MOVIT_RESIZE_EFFECT_H 1
 
 // An effect that simply resizes the picture to a given output size
 // (set by the two integer parameters "width" and "height").
 // Mostly useful as part of other algorithms.
 
+#include <string>
+
 #include "effect.h"
 
 class ResizeEffect : public Effect {
@@ -17,6 +19,7 @@ public:
 	// in case we need to scale down a lot.
 	virtual bool need_texture_bounce() const { return true; }
 	virtual bool needs_mipmaps() const { return true; }
+	virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
 
 	virtual bool changes_output_size() const { return true; }
 	virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const;
@@ -25,4 +28,4 @@ private:
 	int width, height;
 };
 
-#endif // !defined(_RESIZE_EFFECT_H)
+#endif // !defined(_MOVIT_RESIZE_EFFECT_H)