//==============================================================================
MainAppWindow::MainAppWindow()
: DocumentWindow (JUCEApplication::getInstance()->getApplicationName(),
Colours::darkgrey,
DocumentWindow::allButtons)
{
LookAndFeel::setDefaultLookAndFeel (&lookAndFeel);
setupColours();
setContentOwned (new MainComponent, false);
centreWithSize (800, 600);
setVisible (true);
setResizable (true, true);
}
int main(int argc, char *argv[]) {
int rank, nprocs, x, y;
Window win; // initialization for a window
GC gc; // graphics context
Display *display = NULL;
Colormap screenColourmap;
XColor colours[15];
unsigned int width = X_RESN, height = Y_RESN; /* window size */
clock_t start, end, elapsed;
int pixelToDraw[3];
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
ComplexNumber c;
ComplexNumber z;
int depth = 1000;
int cSize = 4;
double cX = -2;
double cY = -2;
double cMinR = cX;
double cMinI = cY;
double cMaxR = cMinR + cSize;
double cMaxI = cMinI + cSize;
double increaseX = (cMaxR - cMinR) / X_RESN;
double increaseY = (cMaxI - cMinI) / Y_RESN;
int drawable[X_RESN][Y_RESN];
if(rank==0)
{
display = x11setup(&win, &gc, width, height);
screenColourmap = DefaultColormap(display, DefaultScreen(display));
setupColours(display, colours, screenColourmap);
int probeFlag = 0;
MPI_Status status;
int count = 0;
int start = 1;
for (int i = 1; i < nprocs; i++) {
MPI_Send(&start, 1, MPI_INT, i, 98, MPI_COMM_WORLD);
}
for (int y = 0; y < Y_RESN; y++) {
for (int x = 0; x < X_RESN; x++) {
while (!probeFlag) {
MPI_Iprobe(MPI_ANY_SOURCE, 99, MPI_COMM_WORLD, &probeFlag, &status);
if (probeFlag) {
int coords[2] = {x, y};
int slave = status.MPI_SOURCE;
MPI_Recv(&pixelToDraw, 3, MPI_INT, MPI_ANY_SOURCE, 99, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
MPI_Send(&coords, 2, MPI_INT, slave, 99, MPI_COMM_WORLD);
drawable[pixelToDraw[0]][pixelToDraw[1]] = pixelToDraw[2];
count++;
} else {
MPI_Iprobe(MPI_ANY_SOURCE, 98, MPI_COMM_WORLD, &probeFlag, &status);
if (probeFlag) {
int slave = status.MPI_SOURCE;
int coords[2] = {x, y};
MPI_Recv(&start, 1, MPI_INT, MPI_ANY_SOURCE, 98, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
MPI_Send(&coords, 2, MPI_INT, slave, 99, MPI_COMM_WORLD);
}
}
}
probeFlag = 0;
}
}
MPI_Recv(&pixelToDraw, 3, MPI_INT, MPI_ANY_SOURCE, 99, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
drawable[pixelToDraw[0]][pixelToDraw[1]] = pixelToDraw[2];
for (int y = 0; y < Y_RESN; y++) {
for (int x = 0; x < X_RESN; x++) {
drawPoint(display, win, gc, colours, x, y, depth, drawable[x][y]);
}
}
} else {
int flag = 1;
int coords[2];
MPI_Recv(&start, 1, MPI_INT, 0, 98, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
MPI_Send(&start, 1, MPI_INT, 0, 98, MPI_COMM_WORLD);
while (flag) {
MPI_Recv(&coords, 2, MPI_INT, 0, 99, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
c.r = coords[0] * increaseX - 2;
c.i = coords[1] * increaseY - 2;
resetComplexNumber(&z);
int limit = seriesDiverges(depth, &z, &c);
pixelToDraw[0] = coords[0];
pixelToDraw[1] = coords[1];
pixelToDraw[2] = limit;
MPI_Send(&pixelToDraw, 3, MPI_INT, 0, 99, MPI_COMM_WORLD);
}
}
// main loop
int running = 1; // loop variable
start = clock();
while(running) {
// checks to see if there have been any events,
// will exit the main loop if any key is pressed
if(rank==0) {
if(XPending(display)) {
XEvent ev;
XNextEvent(display, &ev);
switch(ev.type) {
case KeyPress:
running = 0;
break;
}
}
}
end = clock();
elapsed = end - start;
// only update the display if > 1 millisecond has passed since the last update
if(elapsed / (CLOCKS_PER_SEC/1000) > 1 && rank==0) {
//XClearWindow(display, win);
start = end;
XFlush(display);
}
}
if(rank==0 && display) {
XCloseDisplay(display); // close the display window
printf("Display closed\n");
} else {
MPI_Finalize();
return 0;
}
MPI_Finalize();
return 0;
}
//==============================================================================
ProjucerLookAndFeel::ProjucerLookAndFeel()
{
setupColours();
}