Hi, Support:
Would you tell me how to reach this purpose?
That is to say:
There have 4 images, whose filename may be Back.png, 1st.png,2nd.png,3th.png, I want to overlay 1st.png on the Back.png with 0.5 transparence, …...You can implement your own blending function that will process...your 2 images and blend colors over them as BLEND(back, front, alpha)...