opsi

//#include "stdafx.h"#include <assert.h>#include <stdio.h>#include <stdlib.h>#include <time.h>#include <math.h>#include <ctype.h>#include <GL/glut.h>struct Color{	float r, g, b;};struct Vertice{	int x;	int y;	struct Color color;	struct Vertice *next;};GLubyte solido[128] ={	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF,	0xFF,0xFF,0xFF,0xFF};GLubyte cuadros[128] ={	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0x0F,0x0F,0x0F,0x0F,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,	0xF0,0xF0,0xF0,0xF0,};GLubyte horizontales[128] ={	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF,	0x00,0x00,0x00,0x00,	0xFF,0xFF,0xFF,0xFF};	GLubyte verticales[128] ={		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA,		0xAA,0xAA,0xAA,0xAA	};	GLubyte oblicuas[128]={		0xF8,0xF8,0xF8,0xF8,		0x7C,0x7C,0x7C,0x7C,		0x3E,0x3E,0x3E,0x3E,		0x1F,0x1F,0x1F,0x1F,		0x8F,0x8F,0x8F,0x8F,		0xC7,0xC7,0xC7,0xC7,		0xE3,0xE3,0xE3,0xE3,		0xF1,0xF1,0xF1,0xF1,		0xF8,0xF8,0xF8,0xF8,		0x7C,0x7C,0x7C,0x7C,		0x3E,0x3E,0x3E,0x3E,		0x1F,0x1F,0x1F,0x1F,		0x8F,0x8F,0x8F,0x8F,		0xC7,0xC7,0xC7,0xC7,		0xE3,0xE3,0xE3,0xE3,		0xF1,0xF1,0xF1,0xF1,		0xF8,0xF8,0xF8,0xF8,		0x7C,0x7C,0x7C,0x7C,		0x3E,0x3E,0x3E,0x3E,		0x1F,0x1F,0x1F,0x1F,		0x8F,0x8F,0x8F,0x8F,		0xC7,0xC7,0xC7,0xC7,		0xE3,0xE3,0xE3,0xE3,		0xF1,0xF1,0xF1,0xF1,		0xF8,0xF8,0xF8,0xF8,		0x7C,0x7C,0x7C,0x7C,		0x3E,0x3E,0x3E,0x3E,		0x1F,0x1F,0x1F,0x1F,		0x8F,0x8F,0x8F,0x8F,		0xC7,0xC7,0xC7,0xC7,		0xE3,0xE3,0xE3,0xE3,		0xF1,0xF1,0xF1,0xF1,	};struct Poligono{	int ancho;	GLubyte *patron;	struct Vertice *primero;	struct Poligono *next;};GLubyte *patron = cuadros;struct Poligono *primera = NULL;struct Poligono *polActual = NULL;//struct Vertice* primero = NULL;struct Vertice posicionRaton;struct Color color;int anchoVentana = 400, altoVentana = 400;int grosorLinea = 1;int finalizado = 0;void inicializar (void);void representarEscena ();void redimensionarEscena (int, int);void addVertice (int boton, int estado, int x, int y);void seguirCursor (int x, int y);void teclas (unsigned char tecla, int x, int y);int main (int argc, char **argv){	glutInit (&argc, argv);	glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGBA);	glutInitWindowPosition (200, 200);	glutInitWindowSize (anchoVentana, altoVentana);	glutCreateWindow ("Funciones");	inicializar ();	glutDisplayFunc (representarEscena);	glutReshapeFunc (redimensionarEscena);	glutKeyboardFunc (teclas);	glutPassiveMotionFunc (seguirCursor);	glutMouseFunc (addVertice);	glutMainLoop ();	return 0;}void redimensionarEscena (int ancho, int alto){	anchoVentana = ancho;	altoVentana = alto;	glViewport (0, 0, ancho, alto);	glMatrixMode (GL_PROJECTION);	glLoadIdentity ();	gluOrtho2D (0, ancho, 0, alto);	glMatrixMode (GL_MODELVIEW);}void inicializar (void){	glClearColor (1.0, 1.0, 1.0, 1.0);	color.r = 1;	color.g = 0;	color.b = 0;	srandom (time (NULL));	glEnable(GL_POLYGON_STIPPLE);}void representarEscena (){	glClear (GL_COLOR_BUFFER_BIT);	struct Vertice *currVertice;	struct Poligono *poligono = primera;	while (poligono)	{		currVertice = poligono->primero;		glLineWidth(poligono->ancho);		glPolygonStipple(poligono->patron);		glBegin (GL_POLYGON);		while (currVertice)		{			glColor3f (currVertice->color.r, currVertice->color.g, currVertice->color.b);			glVertex3f (currVertice->x, currVertice->y, 0);			currVertice = currVertice->next;		}		poligono=poligono->next;		if(poligono == NULL)		{			glColor3f (posicionRaton.color.r, posicionRaton.color.g, posicionRaton.color.b);			glVertex3f (posicionRaton.x, posicionRaton.y, 0);			glEnd();		}		glEnd();	}		glutSwapBuffers ();}void addVertice (int boton, int estado, int x, int y){	struct Vertice *curr = NULL;	struct Poligono *linea = NULL;	y = altoVentana - y;	if (boton == GLUT_LEFT_BUTTON && estado == GLUT_DOWN)	{		finalizado = 0;		if (polActual == NULL)		{			primera = (struct Poligono *) malloc (sizeof (struct Poligono));			polActual = primera;			primera->primero = NULL;			primera->next = NULL;		}		if (polActual->primero == NULL)		{			polActual->ancho = grosorLinea;			polActual->primero =					(struct Vertice *) malloc (sizeof (struct Vertice));			polActual->primero->x = x;			polActual->primero->y = y;			polActual->primero->color.r = color.r;			polActual->primero->color.g = color.g;			polActual->primero->color.b = color.b;			polActual->primero->next = NULL;		}		else		{			curr = polActual->primero;			while (curr->next != NULL)				curr = curr->next;			curr->next = (struct Vertice *) malloc (sizeof (struct Vertice));			curr->next->x = x;			curr->next->y = y;			curr->color.r = color.r;			curr->color.g = color.g;			curr->color.b = color.b;			curr->next->next = NULL;		}	}	if (boton == GLUT_RIGHT_BUTTON && estado == GLUT_DOWN)	{		if(!finalizado)		{			finalizado = 1;			polActual->next = (struct Poligono *) malloc (sizeof (struct Poligono));			polActual = polActual->next;			polActual->primero = NULL;			polActual->next = NULL;		}		else		{			linea = primera;			while(linea)			{				curr = linea->primero;				while(curr)				{					linea->primero = linea->primero->next;					free(curr);					curr = linea->primero;				}				primera=primera->next;				free(linea);				linea = primera;				}			polActual = NULL;			}	}	glutPostRedisplay ();}void seguirCursor (int x, int y){	posicionRaton.x = x;	posicionRaton.y = altoVentana - y;	posicionRaton.color = color;	if(polActual)		polActual->patron = patron;	glutPostRedisplay ();}void teclas (unsigned char tecla, int x, int y){	switch (tecla)	{		case 'q':		case 'Q':			exit (EXIT_SUCCESS);			break;		case 'r':		case 'R':			color.r = 1;			color.g = 0;			color.b = 0;			break;		case 'g':		case 'G':			color.r = 0;			color.g = 1;			color.b = 0;			break;		case 'B':		case 'b':			color.r = 0;			color.g = 0;			color.b = 1;			break;		case 's':		case 'S':			patron = solido;			break;		case 'C':		case 'c':			patron = cuadros;			break;		case 'V':		case 'v':			patron = verticales;			break;		case 'H':		case 'h':			patron = horizontales;			break;		case 'O':		case 'o':			patron = oblicuas;			break;		default:			if (isdigit (tecla))				grosorLinea = tecla - 48;	}	glutPostRedisplay ();}