On 07/01/12 08:32, Nick wrote:
> I'm using fltk 1.3.x-R9631
> I ran the program in 2 different computer
> 1) with  opensuse 11.0 and nvidia Gforce gt 430
> 2) with windows xp, msvisual 2008 and an integrated intel graphic card
>  In both cases had the same problem.

        Do you get the same problem with this program?

        I haven't looked at your code to check for problems,
        so it'd be good to see if the problem is with all programs,
        even simple ones:

// DEMONSTRATE HOW TO DRAW AN 'X' IN FLTK
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Double_Window.H>
// SIMPLE WIDGET THAT DRAWS AN 'X'
class DrawX : public Fl_Widget {
public:
    DrawX(int X, int Y, int W, int H, const char*L=0) : Fl_Widget(X,Y,W,H,L) {
    }
    void draw() {
        // DRAW BLACK 'X'
        fl_color(FL_BLACK);
        int x1 = x(),       y1 = y();
        int x2 = x()+w()-1, y2 = y()+h()-1;
        fl_line(x1, y1, x2, y2);
        fl_line(x1, y2, x2, y1);
    }
};
int main() {
    Fl_Double_Window win(200,200,"Draw X");
    DrawX draw_x(0, 0, win.w(), win.h());
    win.resizable(draw_x);
    win.show();
    return(Fl::run());
}
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