alpha conversion fix.

diff --git a/src/png2swf.c b/src/png2swf.c
index 2e526d7..d3247d8 100644 (file)
--- a/src/png2swf.c
+++ b/src/png2swf.c
@@ -50,7 +50,7 @@ TAG *MovieStart(SWF * swf, int framerate, int dx, int dy)
     t = swf->firstTag = swf_InsertTag(NULL, ST_SETBACKGROUNDCOLOR);
 
     rgb.r = rgb.g = rgb.b = rgb.a = 0x00;
-    rgb.g = 0xff;
+    //rgb.g = 0xff; <--- handy for testing alpha conversion
     swf_SetRGB(t, &rgb);
 
     return t;
@@ -349,7 +349,7 @@ void applyfilter4(int mode, U8*src, U8*old, U8*dest, int width)
            lastr = dest[1];
            lastg = dest[2];
            lastb = dest[3];
-           upperlastr = old[0];
+           upperlasta = old[0];
            upperlastr = old[1];
            upperlastg = old[2];
            upperlastb = old[3];