void DrawAxes ()
{
#define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES); \
glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
#define Min(x,y) ((x) < (y) ? (x) : (y))
drawOneLine (min[0], 0.0, max[0], 0.0); // x-axis
drawOneLine (min[0], Min(0,min[1]), min[0], max[1]); // y-axis
}
/// Graph plotting function
void goplot(){
int j,k;
int n= nodes;
char buffer[24];
gedge** matrix = output;
/*
gedge matrix[n][n];
for(j=0;j<nodes;j++){
for(k=0;k<nodes;k++){
if(j!=k){//j!=k&&j!=k-1&&k!=j-1&&j!=k-3&&k!=j-3){
matrix[j][k].weight=j+k+j;
matrix[j][k].visited=0;
}
else{
matrix[j][k].weight=0;
matrix[j][k].visited=0;
}
}
}*/
for(j=0;j<nodes;j++){
for(k=0;k<nodes;k++){
if(matrix[j][k].weight!=-1){
if(matrix[j][k].weight==matrix[k][j].weight){
if(j<k){
sprintf(buffer, "<->%.3f",matrix[j][k].weight);
if(showWeights){
write_strings( buffer ,(((array[j].x)+(array[k].x))/2)+10,(((array[k].y)+(array[j].y))/2)+10);
}
drawOneLine (array[j].x,array[j].y,array[k].x,array[k].y);
}
}
else{
if(j>k){
sprintf(buffer, "->%.3f",matrix[j][k].weight);
if(showWeights){
write_strings( buffer ,(((array[j].x)+(array[k].x))/2)+10,(((array[k].y)+(array[j].y))/2)+10);
}
drawOneLine (array[j].x,array[j].y,array[k].x,array[k].y);
}
else{
sprintf(buffer, "<-%.3f",matrix[j][k].weight);
if(showWeights){
write_strings( buffer ,(((array[j].x)+(array[k].x))/2)-10,(((array[k].y)+(array[j].y))/2)-10);
}
drawOneLine (array[j].x,array[j].y,array[k].x,array[k].y);
}
}
}
}
}
}
void display(void)
{
int i;
glClear (GL_COLOR_BUFFER_BIT);
/* select white for all lines */
glColor3f (1.0, 1.0, 1.0);
/* in 1st row, 3 lines, each with a different stipple */
glEnable (GL_LINE_STIPPLE);
glLineStipple (1, 0x0101); /* dotted */
drawOneLine (50.0, 125.0, 150.0, 125.0);
glLineStipple (1, 0x00FF); /* dashed */
drawOneLine (150.0, 125.0, 250.0, 125.0);
glLineStipple (1, 0x1C47); /* dash/dot/dash */
drawOneLine (250.0, 125.0, 350.0, 125.0);
/* in 2nd row, 3 wide lines, each with different stipple */
glLineWidth (5.0);
glLineStipple (1, 0x0101); /* dotted */
drawOneLine (50.0, 100.0, 150.0, 100.0);
glLineStipple (1, 0x00FF); /* dashed */
drawOneLine (150.0, 100.0, 250.0, 100.0);
glLineStipple (1, 0x1C47); /* dash/dot/dash */
drawOneLine (250.0, 100.0, 350.0, 100.0);
glLineWidth (1.0);
/* in 3rd row, 6 lines, with dash/dot/dash stipple */
/* as part of a single connected line strip */
glLineStipple (1, 0x1C47); /* dash/dot/dash */
glBegin (GL_LINE_STRIP);
for (i = 0; i < 7; i++)
glVertex2f (50.0 + ((GLfloat) i * 50.0), 75.0);
glEnd ();
/* in 4th row, 6 independent lines with same stipple */
for (i = 0; i < 6; i++)
{
drawOneLine (50.0 + ((GLfloat) i * 50.0), 50.0,
50.0 + ((GLfloat)(i+1) * 50.0), 50.0);
}
/* in 5th row, 1 line, with dash/dot/dash stipple */
/* and a stipple repeat factor of 5 */
glLineStipple (5, 0x1C47); /* dash/dot/dash */
drawOneLine (50.0, 25.0, 350.0, 25.0);
/* in paw ares stipple */
glLineStipple (3, 0xAAAA); /* ares */
drawOneLine (175.0, 5.0, 175.0, 145.0);
glDisable (GL_LINE_STIPPLE);
glFlush ();
}
void CALLBACK display()
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3d(1.0, 1.0, 1.0); // Все отрезки рисуются белым цветом
glBegin(GL_LINES);
for (double i = -7; i < 7;i+=0.000001)
glVertex2d(i,5*cos(i*i));
glEnd();
glColor3d(0, 1.0, 0);
drawOneLine(0, -7,0,7);
drawOneLine(-7, 0, 7, 0);
for (int i = -7; i < 7; i++)
{
drawOneLine(i, -0.3, i, 0.3);
drawOneLine(-0.3, i, 0.3, i);
}
glFlush();
}
void display(void){
int i;
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1,1,1);
glEnable(GL_LINE_STIPPLE);
glLineStipple(1,0x0101);
drawOneLine(50,125,150,125);
glLineStipple(1,0x00FF);
drawOneLine(150,125,250,125);
glLineStipple(1,0x1C47);
drawOneLine(250,125,350,125);
glFlush();
}
void display(UGWindow uwin)
{
int i;
glClear (GL_COLOR_BUFFER_BIT);
/* select white for all lines */
glColor4f (1.0, 1.0, 1.0, 1.0);
/* in 1st row, 3 lines, each with a different stipple */
//glEnable (GL_LINE_STIPPLE);
//glLineStipple (1, 0x0101); /* dotted */
glColor4f(1., 0., 0., 1.);
drawOneLine (50.0, 125.0, 150.0, 125.0);
//glLineStipple (1, 0x00FF); /* dashed */
glColor4f(0., 1., 0., 1.);
drawOneLine (150.0, 125.0, 250.0, 125.0);
//glLineStipple (1, 0x1C47); /* dash/dot/dash */
glColor4f(0., 0., 1., 1.);
drawOneLine (250.0, 125.0, 350.0, 125.0);
glColor4f(1., 1., 1., 1.);
/* in 2nd row, 3 wide lines, each with different stipple */
glLineWidth (5.0);
//glLineStipple (1, 0x0101); /* dotted */
drawOneLine (50.0, 100.0, 150.0, 100.0);
//glLineStipple (1, 0x00FF); /* dashed */
glColor4f(1., 1., 0., 1.);
drawOneLine (150.0, 100.0, 250.0, 100.0);
//glLineStipple (1, 0x1C47); /* dash/dot/dash */
glColor4f(0., 1., 1., 1.);
drawOneLine (250.0, 100.0, 350.0, 100.0);
glLineWidth (1.0);
glColor4f(1., 0., 1., 1.);
/* in 3rd row, 6 lines, with dash/dot/dash stipple */
/* as part of a single connected line strip */
//glLineStipple (1, 0x1C47); /* dash/dot/dash */
#if 0
glBegin (GL_LINE_STRIP);
for (i = 0; i < 7; i++)
glVertex2f (50.0 + ((GLfloat) i * 50.0), 75.0);
glEnd ();
#else
{
GLfloat v[14];
for (i = 0; i < 7; i++) {
v[2*i] = 50.0 + ((GLfloat) i * 50.0); v[2*i+1] = 75.0;
}
glVertexPointer(2, GL_FLOAT, 0, v);
glEnableClientState(GL_VERTEX_ARRAY);
glDrawArrays(GL_LINE_STRIP, 0, 7);
}
#endif
glColor4f(1., 1., 1., 1.);
/* in 4th row, 6 independent lines with same stipple */
for (i = 0; i < 6; i++) {
drawOneLine (50.0 + ((GLfloat) i * 50.0), 50.0,
50.0 + ((GLfloat)(i+1) * 50.0), 50.0);
}
glColor4f(.8, .8, .8, 1.);
/* in 5th row, 1 line, with dash/dot/dash stipple */
/* and a stipple repeat factor of 5 */
//glLineStipple (5, 0x1C47); /* dash/dot/dash */
drawOneLine (50.0, 25.0, 350.0, 25.0);
//glDisable (GL_LINE_STIPPLE);
glFlush ();
ugSwapBuffers(uwin);
}