Messages

1

Graphics / display png with OpenGL

« on: February 24, 2011, 11:20:09 am »

SetSmooth(false)?

THANKS A LOT
I ve  FOUND THE PROBLEM
it s opengl part have to call

glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

to perform a transpancy effect

2

Graphics / display png with OpenGL

« on: February 24, 2011, 10:59:23 am »

both true and false didn't affect

3

Graphics / display png with OpenGL

« on: February 23, 2011, 09:59:17 pm »

is there any problem that I display a png format image with alpha channel ?

since I am using OpenGL
I am not sure that it's the problem of OpenGL or sfml problem
nut the result is there left a white blend for the transparent part