+void swf_SetGradient(TAG * tag, GRADIENT * gradient, char alpha)
+{
+ int t;
+ if(!tag) {
+ memset(gradient, 0, sizeof(GRADIENT));
+ return;
+ }
+ swf_SetU8(tag, gradient->num);
+ for(t=0; t<8 && t<gradient->num; t++)
+ {
+ swf_SetU8(tag, gradient->ratios[t]);
+ if(!alpha)
+ swf_SetRGB(tag, &gradient->rgba[t]);
+ else
+ swf_SetRGBA(tag, &gradient->rgba[t]);
+ }
+}
+
+void swf_FreeGradient(GRADIENT* gradient)
+{
+ if(gradient->ratios)
+ rfx_free(gradient->ratios);
+ if(gradient->rgba)
+ rfx_free(gradient->rgba);
+ memset(gradient, 0, sizeof(GRADIENT));
+}
+
+int swf_CountUBits(U32 v,int nbits)
+{ int n = 32;
+ U32 m = 0x80000000;
+ if(v == 0x00000000) n = 0;
+ else
+ while (!(v&m))
+ { n--;
+ m>>=1;
+ }
+ return (n>nbits)?n:nbits;
+}
+