Re: [pygame] font alpha

["Brian Fisher" <brian@xxxxxxxxxxxxxxxxxxx>]

haha...  I assumed you wanted something font letters with alpha - so
you had something that could be drawn over something other than a
solid color - but I guess you could always grab the background behind
where you want the text in a surface, blit the text over the piece of
the background you grabbed in the surface, then set alpha on the
background surface and blit that, and it would work for the effect you
want no matter the background.


On 9/6/07, Mike Lawrence <Mike.Lawrence@xxxxxx> wrote:
> Rendering the semi-transparent text with the appropriate background
> 'seems' to make it work again.
>
> #---------------------------------
> # Mike's Code modified to use non-black screen
> import pygame
> import time
>
> pygame.init()
> screen = pygame.display.set_mode((640,480), pygame.SRCALPHA)
> screen.fill((255,0,255))
>
> myFont = pygame.font.Font(None, 30)
>
> nonTransparent = myFont.render("This text should be fully opaque", 1,
> (255,255,255))
> screen.blit(nonTransparent, (0,0))
>
> myText = 'This text should be somewhat transparent'
> semiTransparent = myFont.render(myText, 1, (255,255,255), (255,0,255))
> newSurf = pygame.Surface(myFont.size(myText))
> newSurf.blit(semiTransparent,(0,0))
> newSurf.set_alpha(100)
> screen.blit(newSurf, (0,100))
>
> pygame.display.flip()
>
> time.sleep(5)
>
> --
> Mike Lawrence
> Graduate Student, Department of Psychology, Dalhousie University
>
> Website: http://memetic.ca
>
> Public calendar: http://icalx.com/public/informavore/Public
>
> "The road to wisdom? Well, it's plain and simple to express:
> Err and err and err again, but less and less and less."
>         - Piet Hein
>
>
>