Just do something easy.
If you do a For loop that loops through all pixels in the image, and writes them to the screen, then the drawing should work. When we talk about the transparency, you could take color of the pixel already there, add with the color of that place at the pic, and divide by 2 (an easy way to find the color of the alpaed pixel).
That shouldn't be too hard :) (you should be able to figure the rest out yourself)!
If you do a For loop that loops through all pixels in the image, and writes them to the screen, then the drawing should work. When we talk about the transparency, you could take color of the pixel already there, add with the color of that place at the pic, and divide by 2 (an easy way to find the color of the alpaed pixel).
That shouldn't be too hard :) (you should be able to figure the rest out yourself)!