Question

i have readed many topic but i’m pretty confused.
it seems that:

if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] == YES && [[UIScreen mainScreen] scale] == 2.00) {
     // RETINA DISPLAY
     self.contentScaleFactor = 2.0;
  }

my app prepare a framebuffer of size 320×480 without that checking above…and display it at whole screen.
i thought that if i load a 2x image and display it on the screen (scaled down/2) i have the same thing as prepare a framebuffer of 640×960 and not scaling down my sprite.
is it correct?
i hope so…otherwise i’ll have to rewrite many of code!
thanks

Answer 1

i have finally bought a retina display device and the answer is NO.
contentScaleFactor = 2.0; for a retina display is not the same as
contentScaleFactor = 1.0; and loading double sized images and display scaled *0.5