Make the PaddingEffect border 1-pixel soft.

[movit] / resample_effect.h

diff --git a/resample_effect.h b/resample_effect.h
index f0112b3ca7c4abcec1ba73a6ce420f65b10162dd..669d15b94569626d5b1a2bfc058b98162dd6f6be 100644 (file)
--- a/resample_effect.h
+++ b/resample_effect.h
@@ -53,9 +53,14 @@ public:
        
 private:
        void update_size();
+       void update_offset_and_zoom();
        
        SingleResamplePassEffect *hpass, *vpass;
        int input_width, input_height, output_width, output_height;
+
+       float offset_x, offset_y;
+       float zoom_x, zoom_y;
+       float zoom_center_x, zoom_center_y;
 };
 
 class SingleResamplePassEffect : public Effect {
@@ -80,6 +85,7 @@ public:
                }
        }
        virtual bool changes_output_size() const { return true; }
+       virtual bool sets_virtual_output_size() const { return false; }
 
        virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const {
                *virtual_width = *width = this->output_width;
@@ -98,7 +104,9 @@ private:
        Direction direction;
        GLuint texnum;
        int input_width, input_height, output_width, output_height;
+       float offset, zoom;
        int last_input_width, last_input_height, last_output_width, last_output_height;
+       float last_offset, last_zoom;
        int src_bilinear_samples, num_loops;
        float slice_height;
 };