Dear All,
I have a window, it need to use a transparent effect png file as it's
background, but I found that use the transparent png file as background image,
it still can see the white backrgound color in the window, I try to modify the
draw() function in Fl_Window.cxx, comment the following:
/*
if (damage() & ~FL_DAMAGE_CHILD) { // draw the entire thing
draw_box(box(),0,0,w(),h(),color()); // draw box with x/y = 0
}
*/
This time can see the black background color in the window, so how can I set a
transparent png file as background picture and I can see the content below the
window.
Best regards,
Leo
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