void swf_Render_SetBackground(RENDERBUF*buf, RGBA*img, int width, int height);
void swf_Render_SetBackgroundColor(RENDERBUF*buf, RGBA color);
RGBA* swf_Render(RENDERBUF*dest);
void swf_Render_SetBackground(RENDERBUF*buf, RGBA*img, int width, int height);
void swf_Render_SetBackgroundColor(RENDERBUF*buf, RGBA color);
RGBA* swf_Render(RENDERBUF*dest);