X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=resize_effect.h;h=8fbaba70b08ccfbe5724af7b24068da6b420a75b;hb=82c71bc88157a182d739b5c763dbbcfd4b8eeef8;hp=4c3fe86c1991f231af8ad3cee7df2343d93b581e;hpb=f99ad333a7acbb6c8c995dbb036484ae8940c490;p=movit

diff --git a/resize_effect.h b/resize_effect.h
index 4c3fe86..8fbaba7 100644
--- a/resize_effect.h
+++ b/resize_effect.h
@@ -5,6 +5,8 @@
 // (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 {
@@ -17,9 +19,10 @@ 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) const;
+	virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const;
 
 private:
 	int width, height;