pclp

#include <GL/glut.h>
#include <stdio.h>
#include <string.h>

struct student{
	char nume[20],prenume[20];
	int varsta,grupa;
	float media1,media2,mediafin;
};
student a[50],aux;
int n;

	void display(){
		int i,j;
		char text[5];

		glClearColor(1.0f, 1.0f, 1.0f, 0.05f);
		glClear(GL_COLOR_BUFFER_BIT);
		for(i = 0 ; i < n; i++){
			glBegin(GL_QUADS);
			glColor3f(0.0f, i/5.,1.0f);
			glVertex2f(-0.8+i*0.25,-0.5);
			glVertex2f(-0.8+i*0.25+0.22,-0.5);
			glVertex2f(-0.8+i*0.25+0.22,-0.5+a[i].mediafin/10. );
			glVertex2f(-0.8+i*0.25,-0.5+a[i].mediafin/10);
			glEnd();

			glRasterPos2f(-0.83+i*.25+0.08,-0.5+a[i].mediafin/10.+0.05);
			sprintf(text,"%.2f",a[i].mediafin);
			for(j=0;j=strlen(text);j++)
				glutBitmapCharacter(GLUT_BITMAP_TIMES_ROMAN_10,text[j]);
		}
		glFlush();
	}



		int main(int argc, char** argv)
{
		int i;
		char text[5];

		FILE *file_in, *file_out;

		file_in=fopen("date_in.txt","r");
		fscanf(file_in,"%d",&n);
		printf("Datele citite din fisier sunt:\n");
		for(i=0;i<n;i++)
		{
			fscanf(file_in,"%s%s%d%d%f%f",a[i].nume,a[i].prenume,&a[i].grupa,&a[i].media1,&a[i].media2);


			printf("\nNume: %s Prenume: %s",a[i].prenume);
			printf("\nGrupa:%d",a[i].grupa);
			printf("\nMediile: %.2f si %.2f",a[i].media1,a[i].media2);
		}
		fclose(file_in);

		printf("\n\n\tMediile generale calculate sunt:\n");
		for(i=0;i<n;i++)
		{
			a[i].mediafin=(a[i].media1+a[i].media2)/2;
			printf("\nMedia generala a studentului %d este:(.2f+%.2f)/2=%.2f",i,a[i].media2,a[i].mediafin);
		}





   //initializare GLUT
   glutInit(&argc, argv);

   //configurarea dimensiunilor ferestrei grafice
   glutInitWindowSize(320, 320);
   //pozitionarea ferestrei grafice
   glutInitWindowPosition(50, 50);
   //crearea ferestrei grafice cu specificarea numelui
   glutCreateWindow("Testare mod grafic OpenGL ");
   //inregistrarea functiei display() pentru redare
   glutDisplayFunc(display);
   //initializarea buclei infinite pentru redare
   glutMainLoop();
   return 0;
}