Fix a bug where having two DeconvolutionSharpenEffects in one chain would cause shade...

[movit] / resize_effect.h

diff --git a/resize_effect.h b/resize_effect.h
index c11f4bc9ea6dd9fd4e52241e5e16b8c46b73da21..dff6dccdc3c02b0bc6e35103a553dcd0e6eff6fc 100644 (file)
--- a/resize_effect.h
+++ b/resize_effect.h
@@ -1,12 +1,16 @@
-#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"
 
+namespace movit {
+
 class ResizeEffect : public Effect {
 public:
        ResizeEffect();
@@ -17,6 +21,7 @@ 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 +30,6 @@ private:
        int width, height;
 };
 
-#endif // !defined(_RESIZE_EFFECT_H)
+}  // namespace movit
+
+#endif // !defined(_MOVIT_RESIZE_EFFECT_H)