int main(int argc, char *argv[]){
FILE *fp;
char buff[1000];
int ch, i, j, x, y;
int line_count = 0;
count = -1;
count_intersect = 0;
k = 0;
fp = fopen(argv[1], "r");
if (fp == NULL){
printf("There's no input file.\n");
exit(0);
}
else{
if( (display = XOpenDisplay(display_name)) == NULL ){
printf("Could not open display. \n");
exit(-1);
}
printf("Connected to X server %s\n", XDisplayName(display_name) );
screen_num = DefaultScreen(display);
screen = DefaultScreenOfDisplay(display);
colormap = XDefaultColormap(display, screen_num);
display_width = DisplayWidth(display, screen_num);
display_height = DisplayHeight(display, screen_num);
//obtaining line count
while(!feof(fp)){
ch = fgetc(fp);
if (ch == '\n'){
line_count++;
}
}
rewind(fp);
}
//int m[line_count][6];
int m[line_count+1][6];
//Creating window
border_width = 10;
win_x = 0; win_y = 0;
win_width = display_width/2;
win_height = display_height * 0.8;
//win_height = (int)(win_width/1.7); //rectangular window
printf("window width: %d\n window height: %d\n", display_width, display_height);
//win = XCreateSimpleWindow(display, RootWindow(display, 0), 1, 1, win_width, win_height, 10, WhitePixel (display, 0), WhitePixel (display, 0));
win = XCreateSimpleWindow(display, RootWindow(display, screen_num),
win_x, win_y, win_width, win_height, border_width,
BlackPixel(display, screen_num), WhitePixel(display, screen_num));
//Maps window on screen
size_hints = XAllocSizeHints();
wm_hints = XAllocWMHints();
class_hints = XAllocClassHint();
if (size_hints == NULL || wm_hints == NULL || class_hints == NULL){
printf("Error allocating memory for hints\n");
exit(-1);
}
size_hints -> flags = PPosition | PSize | PMinSize;
size_hints -> min_width = 60;
size_hints -> min_height = 60;
XStringListToTextProperty(&win_name_string, 1, &win_name);
XStringListToTextProperty(&icon_name_string, 1, &icon_name);
wm_hints -> flags = StateHint | InputHint;
wm_hints -> initial_state = NormalState;
wm_hints -> input = False;
class_hints -> res_name = "x_use_example";
class_hints -> res_class = "homework1";
XSetWMProperties(display, win, &win_name, &icon_name, argv, argc, size_hints, wm_hints, class_hints );
XSelectInput(display, win, ExposureMask | KeyPressMask | ButtonPressMask);
// put on screen
XMapWindow(display, win);
XFlush(display);
//graphics setup
green_gc = XCreateGC(display, win, 0, 0);
XParseColor(display, colormap, green, &green_col);
if (XAllocColor(display, colormap, &green_col) == 0){
printf("Failed to get color green\n");
exit(-1);
}
else{
printf("Success green!\n");
XSetForeground(display, green_gc, green_col.pixel);
}
red_gc = XCreateGC(display, win, 0, 0);
XParseColor(display, colormap, red, &red_col);
if (XAllocColor(display, colormap, &red_col) == 0){
printf("Failed to get color red\n");
exit(-1);
}
else{
printf("Success red!\n");
XSetForeground(display, red_gc, red_col.pixel);
}
black_gc = XCreateGC(display, win, 0, 0);
XParseColor(display, colormap, black, &black_col);
if (XAllocColor(display, colormap, &black_col) == 0){
printf("Failed to get color black\n");
exit(-1);
}
else{
printf("Success black!\n");
XSetForeground(display, black_gc, black_col.pixel);
}
light_purple_gc = XCreateGC(display, win, 0, 0);
XParseColor(display, colormap, light_purple, &light_purple_col);
if (XAllocColor(display, colormap, &light_purple_col) == 0){
printf("Failed to get color light purple\n");
exit(-1);
}
else{
printf("Success light purple!\n");
XSetForeground(display, light_purple_gc, light_purple_col.pixel);
}
white_gc = XCreateGC(display, win, 0, 0);
XParseColor(display, colormap, white, &white_col);
if (XAllocColor(display, colormap, &white_col) == 0){
printf("Failed to get color white\n");
exit(-1);
}
else{
printf("Success white!\n");
XSetForeground(display, white_gc, white_col.pixel);
}
while(1){
XNextEvent(display, &report);
switch(report.type){
case Expose:
{
for (i = 0; i <= line_count; i++){
fscanf(fp, "%*s ( %d, %d) ( %d, %d) (%d, %d)", &m[i][0], &m[i][1], &m[i][2], &m[i][3], &m[i][4], &m[i][5]);
}
m[line_count+1][0] = -5;
for (i = 0; i <= line_count ; i++){
for (j=0; j<6; j+=2){
m[i][j] = m[i][j] + 100;
m[i][j+1] = m[i][j+1] + 100;
}
}
for (i = 0; i <=line_count; i++){
//Draw the triangles
XDrawLine(display, win, green_gc, m[i][0], m[i][1], m[i][2], m[i][3]);
XDrawLine(display, win, green_gc, m[i][2], m[i][3], m[i][4], m[i][5]);
XDrawLine(display, win, green_gc, m[i][4], m[i][5], m[i][0], m[i][1]);
}
rewind(fp);
if (valid_vertex[0][0] != 0.0){
for (i= 0; i<k; i++){
if (valid_vertex[i][6] == 0.0 || valid_vertex[i][6] == -4.0){
printf("from (%d, %d) to (%d, %d) length: %f and path length: %f\n", (int)valid_vertex[i][0], (int)valid_vertex[i][1], (int)valid_vertex[i][2], (int)valid_vertex[i][3], valid_vertex[i][4], valid_vertex[i][5]);
XDrawLine(display, win, light_purple_gc, valid_vertex[i][0], valid_vertex[i][1], valid_vertex[i][2], valid_vertex[i][3]);
}
}
XFillArc( display, win, black_gc, start_x, start_y, win_width/200, win_width/200, 0, 360*64);
XFillArc( display, win, black_gc, target_x, target_y, win_width/200, win_width/200, 0, 360*64);
}
else{}
//printf("exposed\n");
XFlush(display);
break;
}
case ButtonPress:
{
//printf("Button press %d, %d.\n",report.xbutton.x, report.xbutton.y);
double distance1;
x = report.xbutton.x;
y = report.xbutton.y;
int inTriangle;
if (report.xbutton.button == Button1){
/* left click */
count++;
inTriangle = check_if_in_triangle(line_count, m, x, y);
if (inTriangle == 0){
XFillArc( display, win, black_gc, x, y, win_width/200, win_width/200, 0, 360*64);
}
}
else{
printf("Closing Window.\n");
XDestroyWindow(display, win);
XCloseDisplay(display);
exit(1);
}
//printf("count: %d\n", count);
if (count == 0){
reset(m, line_count);
start_x = x;
start_y = y;
if (inTriangle == 1){
count = -1;
}
}
else if (count == 1){
if (inTriangle == 0){
target_x = x;
target_y = y;
printf("\n\nStarting point: (%d, %d)\nTarget point: (%d, %d)\n", start_x, start_y, target_x, target_y);
int vertex[line_count][6];
int * nearest_triangles;
int * result_line_seg;
for(i=0;i<=line_count;i++){
//store formatted input file in array m
fscanf(fp, "%*s ( %d, %d) ( %d, %d) (%d, %d)", &vertex[i][0], &vertex[i][1], &vertex[i][2], &vertex[i][3], &vertex[i][4], &vertex[i][5]);
}
rewind(fp);
printf("Total triangles: %d\n", line_count+1);
for (i = 0; i <= line_count ; i++){
for (j=0; j<6; j+=2){
vertex[i][j] = vertex[i][j] + 100;
vertex[i][j+1] = vertex[i][j+1] + 100;
}
}
start_graph(line_count, vertex, start_x, start_y, target_x, target_y);
printf("Applied start_graph()\n");
shortest_path();
printf("Applied shortest_path()\n");
organize();
printf("The shortest path: \n");
for (i= 0; i<k; i++){
if (valid_vertex[i][6] == 0.0 || valid_vertex[i][6] == -4.0){
printf("from (%d, %d) to (%d, %d) length: %f and path length: %f\n", (int)valid_vertex[i][0], (int)valid_vertex[i][1], (int)valid_vertex[i][2], (int)valid_vertex[i][3], valid_vertex[i][4], valid_vertex[i][5]);
XDrawLine(display, win, light_purple_gc, valid_vertex[i][0], valid_vertex[i][1], valid_vertex[i][2], valid_vertex[i][3]);
}
}
printf("DONE\n");
count = -1;
}
}
XFlush(display);
break;
}
default:
break;
}
}
fclose(fp);
return 0;
}
static unsigned long * SetPalette(struct state *st )
{
XWindowAttributes XWinAttribs;
XColor Color, *aColors;
signed short iColor;
float nHalfColors;
XGetWindowAttributes( st->dpy, st->window, &XWinAttribs );
Color.red = RANDOM() % 0xFFFF;
Color.green = RANDOM() % 0xFFFF;
Color.blue = RANDOM() % 0xFFFF;
if( strcasecmp( st->sColor, "random" ) && !XParseColor( st->dpy, XWinAttribs.colormap, st->sColor, &Color ) )
fprintf( stderr, "%s: color %s not found in database. Choosing to random...\n", progname, st->sColor );
#ifdef VERBOSE
printf( "%s: Base color (RGB): <%d, %d, %d>\n", progname, Color.red, Color.green, Color.blue );
#endif /* VERBOSE */
st->iColorCount = get_integer_resource(st->dpy, "ncolors", "Integer" );
if( st->iColorCount < 2 ) st->iColorCount = 2;
if( st->iColorCount > 255 ) st->iColorCount = 255;
aColors = calloc( st->iColorCount, sizeof(XColor) );
st->aiColorVals = calloc( st->iColorCount, sizeof(unsigned long) );
for( iColor=0; iColor<st->iColorCount; iColor++ )
{
nHalfColors = st->iColorCount / 2.0F;
/* Black -> Base Color */
if( iColor < (st->iColorCount/2) )
{
aColors[ iColor ].red = ( Color.red / nHalfColors ) * iColor;
aColors[ iColor ].green = ( Color.green / nHalfColors ) * iColor;
aColors[ iColor ].blue = ( Color.blue / nHalfColors ) * iColor;
}
/* Base Color -> White */
else
{
aColors[ iColor ].red = ( ( ( 0xFFFF - Color.red ) / nHalfColors ) * ( iColor - nHalfColors ) ) + Color.red;
aColors[ iColor ].green = ( ( ( 0xFFFF - Color.green ) / nHalfColors ) * ( iColor - nHalfColors ) ) + Color.green;
aColors[ iColor ].blue = ( ( ( 0xFFFF - Color.blue ) / nHalfColors ) * ( iColor - nHalfColors ) ) + Color.blue;
}
if( !XAllocColor( st->dpy, XWinAttribs.colormap, &aColors[ iColor ] ) )
{
/* start all over with less colors */
XFreeColors( st->dpy, XWinAttribs.colormap, st->aiColorVals, iColor, 0 );
free( aColors );
free( st->aiColorVals );
st->iColorCount--;
aColors = calloc( st->iColorCount, sizeof(XColor) );
st->aiColorVals = calloc( st->iColorCount, sizeof(unsigned long) );
iColor = -1;
}
else
st->aiColorVals[ iColor ] = aColors[ iColor ].pixel;
}
free( aColors );
XSetWindowBackground( st->dpy, st->window, st->aiColorVals[ 0 ] );
return st->aiColorVals;
}
Status
XAllocNamedColor(
register Display *dpy,
Colormap cmap,
_Xconst char *colorname, /* STRING8 */
XColor *hard_def, /* RETURN */
XColor *exact_def) /* RETURN */
{
long nbytes;
xAllocNamedColorReply rep;
xAllocNamedColorReq *req;
XcmsCCC ccc;
XcmsColor cmsColor_exact;
Status ret;
/*
* Let's Attempt to use Xcms and i18n approach to Parse Color
*/
if ((ccc = XcmsCCCOfColormap(dpy, cmap)) != (XcmsCCC)NULL) {
const char *tmpName = colorname;
switch (_XcmsResolveColorString(ccc, &tmpName, &cmsColor_exact,
XcmsRGBFormat)) {
case XcmsSuccess:
case XcmsSuccessWithCompression:
_XcmsRGB_to_XColor(&cmsColor_exact, exact_def, 1);
memcpy((char *)hard_def, (char *)exact_def, sizeof(XColor));
ret = XAllocColor(dpy, cmap, hard_def);
exact_def->pixel = hard_def->pixel;
return(ret);
case XcmsFailure:
case _XCMS_NEWNAME:
/*
* if the result was _XCMS_NEWNAME tmpName points to
* a string in cmsColNm.c:pairs table, for example,
* gray70 would become tekhvc:0.0/70.0/0.0
*/
break;
}
}
/*
* Xcms and i18n approach failed.
*/
LockDisplay(dpy);
GetReq(AllocNamedColor, req);
req->cmap = cmap;
nbytes = req->nbytes = strlen(colorname);
req->length += (nbytes + 3) >> 2; /* round up to mult of 4 */
_XSend(dpy, colorname, nbytes);
/* _XSend is more efficient that Data, since _XReply follows */
if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
UnlockDisplay(dpy);
SyncHandle();
return (0);
}
exact_def->red = rep.exactRed;
exact_def->green = rep.exactGreen;
exact_def->blue = rep.exactBlue;
hard_def->red = rep.screenRed;
hard_def->green = rep.screenGreen;
hard_def->blue = rep.screenBlue;
exact_def->pixel = hard_def->pixel = rep.pixel;
UnlockDisplay(dpy);
SyncHandle();
return (1);
}
dsxc_lutput (void)
/* C-- */
{
float tcol[LVX*3];
int k, istat, ka, kdiv;
char flags;
unsigned short int j;
/* Cbegin */
DSOPEN = F77_NAMED_COMMON(ds_genb).dsopen;
PDSOPEN = F77_NAMED_COMMON(ds_panelb).pdsopen;
NUMDDCOL = F77_NAMED_COMMON(lutacom).numddcol;
(void) dsxc_lutload ( tcol ); /* Load LUT into working LUT */
flags = DoRed | DoGreen | DoBlue;
if ( DSOPEN || PDSOPEN ) {
if ( OWNCOL ) {
kdiv = LVX/NUMDDCOL;
for ( k = 15; k<15+LVX; k++ ) {
ka = 15 + ((k-15)/kdiv);
COLOUR[ka].pixel = PC_ID[ka];
COLOUR[ka].flags = flags;
j = tcol[3*(k-15)+0]*65535.0;
COLOUR[ka].red = j;
j = tcol[3*(k-15)+1]*65535.0;
COLOUR[ka].green = j;
j = tcol[3*(k-15)+2]*65535.0;
COLOUR[ka].blue = j;
}
XStoreColors ( VD_ID, CM_ID, COLOUR, 15+NUMDDCOL );
XInstallColormap ( VD_ID, CM_ID );
XFlush ( VD_ID );
}
else {
for ( k = 15; k < 15+LVX; k++ ) {
COLOUR[k].flags = flags;
j = tcol[3*(k-15)+0]*65535.0;
COLOUR[k].red = j;
j = tcol[3*(k-15)+1]*65535.0;
COLOUR[k].green = j;
j = tcol[3*(k-15)+2]*65535.0;
COLOUR[k].blue = j;
istat = XAllocColor ( VD_ID, CM_ID, &COLOUR[k] );
if ( istat==0 ) {
(void) c_printo ( "ERROR: Colour pixel not allocated" );
PC_ID[k] = 0 ;
}
else
PC_ID[k] = COLOUR[k].pixel;
}
XFlush ( VD_ID );
}
}
}
void CGX_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
{
#if 0
SDL_Surface *sicon;
XWMHints *wmhints;
XImage *icon_image;
Pixmap icon_pixmap;
Pixmap mask_pixmap;
#ifdef USE_ICON_WINDOW
Window icon_window;
#endif
GC GC;
XGCValues GCvalues;
int i, b, dbpp;
SDL_Rect bounds;
Uint8 *LSBmask, *color_tried;
Visual *dvis;
/* Lock the event thread, in multi-threading environments */
SDL_Lock_EventThread();
/* The icon must use the default visual, depth and colormap of the
screen, so it might need a conversion */
dbpp = DefaultDepth(SDL_Display, SDL_Screen);
switch(dbpp) {
case 15:
dbpp = 16; break;
case 24:
dbpp = 32; break;
}
dvis = DefaultVisual(SDL_Display, SDL_Screen);
/* The Visual struct is supposed to be opaque but we cheat a little */
sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
dbpp,
dvis->red_mask, dvis->green_mask,
dvis->blue_mask, 0);
if ( sicon == NULL ) {
goto done;
}
/* If we already have allocated colours from the default colormap,
copy them */
if(SDL_Visual == dvis && SDL_XColorMap == SDL_DisplayColormap
&& this->screen->format->palette && sicon->format->palette) {
memcpy(sicon->format->palette->colors,
this->screen->format->palette->colors,
this->screen->format->palette->ncolors * sizeof(SDL_Color));
}
bounds.x = 0;
bounds.y = 0;
bounds.w = icon->w;
bounds.h = icon->h;
if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 )
goto done;
/* Lock down the colors used in the colormap */
color_tried = NULL;
if ( sicon->format->BitsPerPixel == 8 ) {
SDL_Palette *palette;
Uint8 *p;
XColor wanted;
palette = sicon->format->palette;
color_tried = malloc(palette->ncolors);
if ( color_tried == NULL ) {
goto done;
}
if ( SDL_iconcolors != NULL ) {
free(SDL_iconcolors);
}
SDL_iconcolors = malloc(palette->ncolors
* sizeof(*SDL_iconcolors));
if ( SDL_iconcolors == NULL ) {
free(color_tried);
goto done;
}
memset(color_tried, 0, palette->ncolors);
memset(SDL_iconcolors, 0,
palette->ncolors * sizeof(*SDL_iconcolors));
p = (Uint8 *)sicon->pixels;
for ( i = sicon->w*sicon->h; i > 0; --i, ++p ) {
if ( ! color_tried[*p] ) {
wanted.pixel = *p;
wanted.red = (palette->colors[*p].r<<8);
wanted.green = (palette->colors[*p].g<<8);
wanted.blue = (palette->colors[*p].b<<8);
wanted.flags = (DoRed|DoGreen|DoBlue);
if (XAllocColor(SDL_Display,
SDL_DisplayColormap, &wanted)) {
++SDL_iconcolors[wanted.pixel];
}
color_tried[*p] = 1;
}
}
}
if ( color_tried != NULL ) {
free(color_tried);
}
/* Translate mask data to LSB order and set the icon mask */
i = (sicon->w/8)*sicon->h;
LSBmask = (Uint8 *)malloc(i);
if ( LSBmask == NULL ) {
goto done;
}
memset(LSBmask, 0, i);
while ( --i >= 0 ) {
for ( b=0; b<8; ++b )
LSBmask[i] |= (((mask[i]>>b)&0x01)<<(7-b));
}
mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow,
LSBmask, sicon->w, sicon->h, 1L, 0L, 1);
/* Transfer the image to an X11 pixmap */
icon_image = XCreateImage(SDL_Display,
DefaultVisual(SDL_Display, SDL_Screen),
DefaultDepth(SDL_Display, SDL_Screen),
ZPixmap, 0, (char *)sicon->pixels, sicon->w, sicon->h,
((sicon->format)->BytesPerPixel == 3) ? 32 :
(sicon->format)->BytesPerPixel*8, 0);
icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
DefaultDepth(SDL_Display, SDL_Screen));
GC = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);
XPutImage(SDL_Display, icon_pixmap, GC, icon_image,
0, 0, 0, 0, sicon->w, sicon->h);
XFreeGC(SDL_Display, GC);
XDestroyImage(icon_image);
free(LSBmask);
sicon->pixels = NULL;
#ifdef USE_ICON_WINDOW
/* Create an icon window and set the pixmap as its background */
icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root,
0, 0, sicon->w, sicon->h, 0,
CopyFromParent, CopyFromParent);
XSetWindowBackgroundPixmap(SDL_Display, icon_window, icon_pixmap);
XClearWindow(SDL_Display, icon_window);
#endif
/* Set the window icon to the icon pixmap (and icon window) */
wmhints = XAllocWMHints();
wmhints->flags = (IconPixmapHint | IconMaskHint);
wmhints->icon_pixmap = icon_pixmap;
wmhints->icon_mask = mask_pixmap;
#ifdef USE_ICON_WINDOW
wmhints->flags |= IconWindowHint;
wmhints->icon_window = icon_window;
#endif
XSetWMHints(SDL_Display, WMwindow, wmhints);
XFree(wmhints);
XSync(SDL_Display, False);
done:
SDL_Unlock_EventThread();
if ( sicon != NULL ) {
SDL_FreeSurface(sicon);
}
#endif
return;
}
void init_blue() {
blue_gc = XCreateGC(dis, win, 0, 0);
XParseColor(dis, colormap, blue, &blue_col);
XAllocColor(dis, colormap, &blue_col);
XSetForeground(dis, blue_gc, blue_col.pixel);
}
/*
* NAME
* XcmsAllocNamedColor -
*
* SYNOPSIS
*/
Status
XcmsAllocNamedColor (
Display *dpy,
Colormap cmap,
_Xconst char *colorname,
XcmsColor *pColor_scrn_return,
XcmsColor *pColor_exact_return,
XcmsColorFormat result_format)
/*
* DESCRIPTION
* Finds the color specification associated with the color
* name in the Device-Independent Color Name Database, then
* converts that color specification to an RGB format. This
* RGB value is then used in a call to XAllocColor to allocate
* a read-only color cell.
*
* RETURNS
* 0 if failed to parse string or find any entry in the database.
* 1 if succeeded in converting color name to XcmsColor.
* 2 if succeeded in converting color name to another color name.
*
*/
{
long nbytes;
xAllocNamedColorReply rep;
xAllocNamedColorReq *req;
XColor hard_def;
XColor exact_def;
Status retval1 = 1;
Status retval2 = XcmsSuccess;
XcmsColor tmpColor;
XColor XColor_in_out;
XcmsCCC ccc;
/*
* 0. Check for invalid arguments.
*/
if (dpy == NULL || colorname[0] == '\0' || pColor_scrn_return == 0
|| pColor_exact_return == NULL) {
return(XcmsFailure);
}
if ((ccc = XcmsCCCOfColormap(dpy, cmap)) == (XcmsCCC)NULL) {
return(XcmsFailure);
}
/*
* 1. Convert string to a XcmsColor using Xcms and i18n mechanism
*/
if ((retval1 = _XcmsResolveColorString(ccc, &colorname,
&tmpColor, result_format)) == XcmsFailure) {
return(XcmsFailure);
}
if (retval1 == _XCMS_NEWNAME) {
goto PassToServer;
}
memcpy((char *)pColor_exact_return, (char *)&tmpColor, sizeof(XcmsColor));
/*
* 2. Convert tmpColor to RGB
* Assume pColor_exact_return is now adjusted to Client White Point
*/
if ((retval2 = XcmsConvertColors(ccc, &tmpColor,
1, XcmsRGBFormat, (Bool *) NULL)) == XcmsFailure) {
return(XcmsFailure);
}
/*
* 3. Convert to XColor and call XAllocColor
*/
_XcmsRGB_to_XColor(&tmpColor, &XColor_in_out, 1);
if (XAllocColor(ccc->dpy, cmap, &XColor_in_out) == 0) {
return(XcmsFailure);
}
/*
* 4. pColor_scrn_return
*
* Now convert to the target format.
* We can ignore the return value because we're already in a
* device-dependent format.
*/
_XColor_to_XcmsRGB(ccc, &XColor_in_out, pColor_scrn_return, 1);
if (result_format != XcmsRGBFormat) {
if (result_format == XcmsUndefinedFormat) {
result_format = pColor_exact_return->format;
}
if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format,
(Bool *) NULL) == XcmsFailure) {
return(XcmsFailure);
}
}
return(retval1 > retval2 ? retval1 : retval2);
PassToServer:
/*
* All previous methods failed, so lets pass it to the server
* for parsing.
*/
dpy = ccc->dpy;
LockDisplay(dpy);
GetReq(AllocNamedColor, req);
req->cmap = cmap;
nbytes = req->nbytes = strlen(colorname);
req->length += (nbytes + 3) >> 2; /* round up to mult of 4 */
_XSend(dpy, colorname, nbytes);
/* _XSend is more efficient that Data, since _XReply follows */
if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
UnlockDisplay(dpy);
SyncHandle();
return (0);
}
exact_def.red = rep.exactRed;
exact_def.green = rep.exactGreen;
exact_def.blue = rep.exactBlue;
hard_def.red = rep.screenRed;
hard_def.green = rep.screenGreen;
hard_def.blue = rep.screenBlue;
exact_def.pixel = hard_def.pixel = rep.pixel;
UnlockDisplay(dpy);
SyncHandle();
/*
* Now convert to the target format.
*/
_XColor_to_XcmsRGB(ccc, &exact_def, pColor_exact_return, 1);
_XColor_to_XcmsRGB(ccc, &hard_def, pColor_scrn_return, 1);
if (result_format != XcmsRGBFormat
&& result_format != XcmsUndefinedFormat) {
if (XcmsConvertColors(ccc, pColor_exact_return, 1, result_format,
(Bool *) NULL) == XcmsFailure) {
return(XcmsFailure);
}
if (XcmsConvertColors(ccc, pColor_scrn_return, 1, result_format,
(Bool *) NULL) == XcmsFailure) {
return(XcmsFailure);
}
}
return(XcmsSuccess);
}
static int initGraphics(struct state *st)
{
XGCValues xgcv;
XWindowAttributes xgwa;
/* XSetWindowAttributes xswa;*/
Colormap cmap;
XColor color;
int n, i;
initCMap(st);
XGetWindowAttributes(st->dpy,st->win,&xgwa);
cmap=xgwa.colormap;
/* xswa.backing_store=Always;
XChangeWindowAttributes(st->dpy,st->win,CWBackingStore,&xswa);*/
xgcv.function=GXcopy;
st->delay = get_integer_resource(st->dpy, "delay","Integer");
xgcv.foreground=get_pixel_resource (st->dpy, cmap, "background", "Background");
st->fgc[0]=XCreateGC(st->dpy, st->win, GCForeground|GCFunction,&xgcv);
#ifdef HAVE_COCOA
jwxyz_XSetAntiAliasing (st->dpy, st->fgc[0], False);
#endif
n=0;
if (mono_p) {
xgcv.foreground=get_pixel_resource (st->dpy, cmap, "foreground", "Foreground");
st->fgc[1]=XCreateGC(st->dpy,st->win,GCForeground|GCFunction,&xgcv);
#ifdef HAVE_COCOA
jwxyz_XSetAntiAliasing (st->dpy, st->fgc[1], False);
#endif
for (i=0;i<st->numColors;i+=2) st->fgc[i]=st->fgc[0];
for (i=1;i<st->numColors;i+=2) st->fgc[i]=st->fgc[1];
} else {
for (i = 0; i < st->numColors; i++) {
color.red=st->colors[n++]<<8;
color.green=st->colors[n++]<<8;
color.blue=st->colors[n++]<<8;
color.flags=DoRed|DoGreen|DoBlue;
XAllocColor(st->dpy,cmap,&color);
xgcv.foreground=color.pixel;
st->fgc[i] = XCreateGC(st->dpy, st->win, GCForeground | GCFunction,&xgcv);
#ifdef HAVE_COCOA
jwxyz_XSetAntiAliasing (st->dpy, st->fgc[i], False);
#endif
}
}
st->cgc = XCreateGC(st->dpy,st->win,GCForeground|GCFunction,&xgcv);
XSetGraphicsExposures(st->dpy,st->cgc,False);
#ifdef HAVE_COCOA
jwxyz_XSetAntiAliasing (st->dpy, st->cgc, False);
#endif
st->xsize = xgwa.width;
st->ysize = xgwa.height;
st->xc = st->xsize >> 1;
st->yc = st->ysize >> 1;
st->maxx = 1.0;
st->maxy = st->ysize/(float)st->xsize;
if (st->colorScheme < 0) st->colorScheme = random()%NUM_SCHEMES;
return True;
}
/* PROGRAM EXECUTION BEGINS HERE */
int main(int argc, char** argv)
{
/** Declare variables **/
/* People */
int total_number_of_people = 50;
int total_num_initially_infected = 1;
int total_num_infected = 1;
int our_number_of_people = 50;
int our_person1 = 0;
int our_current_infected_person = 0;
int our_num_initially_infected = 1;
int our_num_infected = 0;
int our_current_location_x = 0;
int our_current_location_y = 0;
int our_num_susceptible = 0;
int our_num_immune = 0;
int our_num_dead = 0;
int my_current_person_id = 0;
int my_num_infected_nearby = 0;
int my_person2 = 0;
/* Environment */
int environment_width = 30;
int environment_height = 30;
/* Disease */
int infection_radius = 3;
int duration_of_disease = 50;
int contagiousness_factor = 30;
int deadliness_factor = 30;
#ifdef SHOW_RESULTS
double our_num_infections = 0.0;
double our_num_infection_attempts = 0.0;
double our_num_deaths = 0.0;
double our_num_recovery_attempts = 0.0;
#endif
/* Time */
int total_number_of_days = 250;
int our_current_day = 0;
int microseconds_per_day = 100000;
/* Movement */
int my_x_move_direction = 0;
int my_y_move_direction = 0;
/* Distributed Memory Information */
int total_number_of_processes = 1;
int our_rank = 0;
//#ifdef MPI
// int current_rank = 0;
// int current_displ = 0;
//#endif
/* getopt */
int c = 0;
/* Integer arrays, a.k.a. integer pointers */
int *x_locations;
int *y_locations;
int *our_x_locations;
int *our_y_locations;
int *our_infected_x_locations;
int *our_infected_y_locations;
int *their_infected_x_locations;
int *their_infected_y_locations;
int *our_num_days_infected;
int *recvcounts;
int *displs;
/* Character arrays, a.k.a. character pointers */
char *states;
char *our_states;
#ifdef TEXT_DISPLAY
/* Array of character arrays, a.k.a. array of character pointers, for text
* display */
char **environment;
#endif
#ifdef X_DISPLAY
/* Declare X-related variables */
Display *display;
Window window;
int screen;
Atom delete_window;
GC gc;
XColor infected_color;
XColor immune_color;
XColor susceptible_color;
XColor dead_color;
Colormap colormap;
char red[] = "#FF0000";
char green[] = "#00FF00";
char black[] = "#000000";
char white[] = "#FFFFFF";
#endif
//#ifdef MPI
/* Each process initializes the distributed memory environment */
//MPI_Init(&argc, &argv);
//#endif
/* ALG I: Each process determines its rank and the total number of processes */
//#ifdef MPI
// MPI_Comm_rank(MPI_COMM_WORLD, &our_rank);
// MPI_Comm_size(MPI_COMM_WORLD, &total_number_of_processes);
//#else
our_rank = 0;
total_number_of_processes = 1;
//#endif
/* ALG II: Each process is given the parameters of the simulation */
/* Get command line options -- this follows the idiom presented in the
* getopt man page (enter 'man 3 getopt' on the shell for more) */
while((c = getopt(argc, argv, "n:i:w:h:t:T:c:d:D:m:")) != -1)
{
switch(c)
{
case 'n':
total_number_of_people = atoi(optarg);
break;
case 'i':
total_num_initially_infected = atoi(optarg);
break;
case 'w':
environment_width = atoi(optarg);
break;
case 'h':
environment_height = atoi(optarg);
break;
case 't':
total_number_of_days = atoi(optarg);
break;
case 'T':
duration_of_disease = atoi(optarg);
break;
case 'c':
contagiousness_factor = atoi(optarg);
break;
case 'd':
infection_radius = atoi(optarg);
break;
case 'D':
deadliness_factor = atoi(optarg);
break;
case 'm':
microseconds_per_day = atoi(optarg);
break;
/* If the user entered "-?" or an unrecognized option, we need
* to print a usage message before exiting. */
case '?':
default:
fprintf(stderr, "Usage: ");
//#ifdef MPI
// fprintf(stderr, "mpirun -np total_number_of_processes ");
//#endif
fprintf(stderr, "%s [-n total_number_of_people][-i total_num_initially_infected][-w environment_width][-h environment_height][-t total_number_of_days][-T duration_of_disease][-c contagiousness_factor][-d infection_radius][-D deadliness_factor][-m microseconds_per_day]\n", argv[0]);
exit(-1);
}
}
argc -= optind;
argv += optind;
/* ALG III: Each process makes sure that the total number of initially
* infected people is less than the total number of people */
if(total_num_initially_infected > total_number_of_people)
{
fprintf(stderr, "ERROR: initial number of infected (%d) must be less than total number of people (%d)\n", total_num_initially_infected,
total_number_of_people);
exit(-1);
}
/* ALG IV: Each process determines the number of people for which it is
* responsible */
our_number_of_people = total_number_of_people / total_number_of_processes;
/* ALG V: The last process is responsible for the remainder */
if(our_rank == total_number_of_processes - 1)
{
our_number_of_people += total_number_of_people % total_number_of_processes;
}
/* ALG VI: Each process determines the number of initially infected people
* for which it is responsible */
our_num_initially_infected = total_num_initially_infected
/ total_number_of_processes;
/* ALG VII: The last process is responsible for the remainder */
if(our_rank == total_number_of_processes - 1)
{
our_num_initially_infected += total_num_initially_infected
% total_number_of_processes;
}
/* Allocate the arrays */
x_locations = (int*)malloc(total_number_of_people * sizeof(int));
y_locations = (int*)malloc(total_number_of_people * sizeof(int));
our_x_locations = (int*)malloc(our_number_of_people * sizeof(int));
our_y_locations = (int*)malloc(our_number_of_people * sizeof(int));
our_infected_x_locations = (int*)malloc(our_number_of_people * sizeof(int));
our_infected_y_locations = (int*)malloc(our_number_of_people * sizeof(int));
their_infected_x_locations = (int*)malloc(total_number_of_people
* sizeof(int));
their_infected_y_locations = (int*)malloc(total_number_of_people
* sizeof(int));
our_num_days_infected = (int*)malloc(our_number_of_people * sizeof(int));
recvcounts = (int*)malloc(total_number_of_processes * sizeof(int));
displs = (int*)malloc(total_number_of_processes * sizeof(int));
states = (char*)malloc(total_number_of_people * sizeof(char));
our_states = (char*)malloc(our_number_of_people * sizeof(char));
#ifdef TEXT_DISPLAY
environment = (char**)malloc(environment_width * environment_height
* sizeof(char*));
for(our_current_location_x = 0;
our_current_location_x <= environment_width - 1;
our_current_location_x++)
{
environment[our_current_location_x] = (char*)malloc(environment_height
* sizeof(char));
}
#endif
/* ALG VIII: Each process seeds the random number generator based on the
* current time */
srandom(time(NULL));
/* ALG IX: Each process spawns threads to set the states of the initially
* infected people and set the count of its infected people */
#pragma omp parallel for private(my_current_person_id) \
reduction(+:our_num_infected)
for(my_current_person_id = 0; my_current_person_id
<= our_num_initially_infected - 1; my_current_person_id++)
{
our_states[my_current_person_id] = INFECTED;
our_num_infected++;
}
/* ALG X: Each process spawns threads to set the states of the rest of its
* people and set the count of its susceptible people */
#pragma omp parallel for private(my_current_person_id) \
reduction(+:our_num_susceptible)
for(my_current_person_id = our_num_initially_infected;
my_current_person_id <= our_number_of_people - 1;
my_current_person_id++)
{
our_states[my_current_person_id] = SUSCEPTIBLE;
our_num_susceptible++;
}
/* ALG XI: Each process spawns threads to set random x and y locations for
* each of its people */
#pragma omp parallel for private(my_current_person_id)
for(my_current_person_id = 0;
my_current_person_id <= our_number_of_people - 1;
my_current_person_id++)
{
our_x_locations[my_current_person_id] = random() % environment_width;
our_y_locations[my_current_person_id] = random() % environment_height;
}
/* ALG XII: Each process spawns threads to initialize the number of days
* infected of each of its people to 0 */
#pragma omp parallel for private(my_current_person_id)
for(my_current_person_id = 0;
my_current_person_id <= our_number_of_people - 1;
my_current_person_id++)
{
our_num_days_infected[my_current_person_id] = 0;
}
/* ALG XIII: Rank 0 initializes the graphics display */
#ifdef X_DISPLAY
if(our_rank == 0)
{
/* Initialize the X Windows Environment
* This all comes from
* http://en.wikibooks.org/wiki/X_Window_Programming/XLib
* http://tronche.com/gui/x/xlib-tutorial
* http://user.xmission.com/~georgeps/documentation/tutorials/
* Xlib_Beginner.html
*/
/* Open a connection to the X server */
display = XOpenDisplay(NULL);
if(display == NULL)
{
fprintf(stderr, "Error: could not open X display\n");
}
screen = DefaultScreen(display);
window = XCreateSimpleWindow(display, RootWindow(display, screen),
0, 0, environment_width * PIXEL_WIDTH_PER_PERSON,
environment_height * PIXEL_HEIGHT_PER_PERSON, 1,
BlackPixel(display, screen), WhitePixel(display, screen));
delete_window = XInternAtom(display, "WM_DELETE_WINDOW", 0);
XSetWMProtocols(display, window, &delete_window, 1);
XSelectInput(display, window, ExposureMask | KeyPressMask);
XMapWindow(display, window);
colormap = DefaultColormap(display, 0);
gc = XCreateGC(display, window, 0, 0);
XParseColor(display, colormap, red, &infected_color);
XParseColor(display, colormap, green, &immune_color);
XParseColor(display, colormap, white, &dead_color);
XParseColor(display, colormap, black, &susceptible_color);
XAllocColor(display, colormap, &infected_color);
XAllocColor(display, colormap, &immune_color);
XAllocColor(display, colormap, &susceptible_color);
XAllocColor(display, colormap, &dead_color);
}
#endif
/* ALG XIV: Each process starts a loop to run the simulation for the
* specified number of days */
for(our_current_day = 0; our_current_day <= total_number_of_days - 1;
our_current_day++)
{
/* ALG XIV.A: Each process determines its infected x locations and
* infected y locations */
our_current_infected_person = 0;
for(our_person1 = 0; our_person1 <= our_number_of_people - 1;
our_person1++)
{
if(our_states[our_person1] == INFECTED)
{
our_infected_x_locations[our_current_infected_person] =
our_x_locations[our_person1];
our_infected_y_locations[our_current_infected_person] =
our_y_locations[our_person1];
our_current_infected_person++;
}
}
//#ifdef MPI
/* ALG XIV.B: Each process sends its count of infected people to all the
* other processes and receives their counts */
// MPI_Allgather(&our_num_infected, 1, MPI_INT, recvcounts, 1,
// MPI_INT, MPI_COMM_WORLD);
// total_num_infected = 0;
// for(current_rank = 0; current_rank <= total_number_of_processes - 1;
// current_rank++)
// {
// total_num_infected += recvcounts[current_rank];
// }
/* Set up the displacements in the receive buffer (see the man page for
* MPI_Allgatherv) */
// current_displ = 0;
// for(current_rank = 0; current_rank <= total_number_of_processes - 1;
// current_rank++)
// {
// displs[current_rank] = current_displ;
// current_displ += recvcounts[current_rank];
// }
/* ALG XIV.C: Each process sends the x locations of its infected people
* to all the other processes and receives the x locations of their
* infected people */
// MPI_Allgatherv(our_infected_x_locations, our_num_infected, MPI_INT,
// their_infected_x_locations, recvcounts, displs,
// MPI_INT, MPI_COMM_WORLD);
/* ALG XIV.D: Each process sends the y locations of its infected people
* to all the other processes and receives the y locations of their
* infected people */
// MPI_Allgatherv(our_infected_y_locations, our_num_infected, MPI_INT,
// their_infected_y_locations, recvcounts, displs,
// MPI_INT, MPI_COMM_WORLD);
//#else
total_num_infected = our_num_infected;
for(my_current_person_id = 0;
my_current_person_id <= total_num_infected - 1;
my_current_person_id++)
{
their_infected_x_locations[my_current_person_id] =
our_infected_x_locations[my_current_person_id];
their_infected_y_locations[my_current_person_id] =
our_infected_y_locations[my_current_person_id];
}
//#endif
#if defined(X_DISPLAY) || defined(TEXT_DISPLAY)
/* ALG XIV.E: If display is enabled, Rank 0 gathers the states, x
* locations, and y locations of the people for which each process is
* responsible */
//#ifdef MPI
/* Set up the receive counts and displacements in the receive buffer
* (see the man page for MPI_Gatherv) */
// current_displ = 0;
// for(current_rank = 0; current_rank <= total_number_of_processes - 1;
// current_rank++)
// {
// displs[current_rank] = current_displ;
// recvcounts[current_rank] = total_number_of_people
// / total_number_of_processes;
// if(current_rank == total_number_of_processes - 1)
// {
// recvcounts[current_rank] += total_number_of_people
// % total_number_of_processes;
// }
// current_displ += recvcounts[current_rank];
// }
// MPI_Gatherv(our_states, our_number_of_people, MPI_CHAR, states,
// recvcounts, displs, MPI_CHAR, 0, MPI_COMM_WORLD);
// MPI_Gatherv(our_x_locations, our_number_of_people, MPI_INT, x_locations,
// recvcounts, displs, MPI_INT, 0, MPI_COMM_WORLD);
// MPI_Gatherv(our_y_locations, our_number_of_people, MPI_INT, y_locations,
// recvcounts, displs, MPI_INT, 0, MPI_COMM_WORLD);
//#else
#pragma omp parallel for private(my_current_person_id)
for(my_current_person_id = 0; my_current_person_id
<= total_number_of_people - 1; my_current_person_id++)
{
states[my_current_person_id] = our_states[my_current_person_id];
x_locations[my_current_person_id]
= our_x_locations[my_current_person_id];
y_locations[my_current_person_id]
= our_y_locations[my_current_person_id];
}
//#endif
#endif
/* ALG XIV.F: If display is enabled, Rank 0 displays a graphic of the
* current day */
#ifdef X_DISPLAY
if(our_rank == 0)
{
XClearWindow(display, window);
for(my_current_person_id = 0; my_current_person_id
<= total_number_of_people - 1; my_current_person_id++)
{
if(states[my_current_person_id] == INFECTED)
{
XSetForeground(display, gc, infected_color.pixel);
}
else if(states[my_current_person_id] == IMMUNE)
{
XSetForeground(display, gc, immune_color.pixel);
}
else if(states[my_current_person_id] == SUSCEPTIBLE)
{
XSetForeground(display, gc, susceptible_color.pixel);
}
else if(states[my_current_person_id] == DEAD)
{
XSetForeground(display, gc, dead_color.pixel);
}
else
{
fprintf(stderr, "ERROR: person %d has state '%c'\n",
my_current_person_id, states[my_current_person_id]);
exit(-1);
}
XFillRectangle(display, window, gc,
x_locations[my_current_person_id]
* PIXEL_WIDTH_PER_PERSON,
y_locations[my_current_person_id]
* PIXEL_HEIGHT_PER_PERSON,
PIXEL_WIDTH_PER_PERSON,
PIXEL_HEIGHT_PER_PERSON);
}
XFlush(display);
}
#endif
#ifdef TEXT_DISPLAY
if(our_rank == 0)
{
for(our_current_location_y = 0;
our_current_location_y <= environment_height - 1;
our_current_location_y++)
{
for(our_current_location_x = 0; our_current_location_x
<= environment_width - 1; our_current_location_x++)
{
environment[our_current_location_x][our_current_location_y]
= ' ';
}
}
for(my_current_person_id = 0;
my_current_person_id <= total_number_of_people - 1;
my_current_person_id++)
{
environment[x_locations[my_current_person_id]]
[y_locations[my_current_person_id]] =
states[my_current_person_id];
}
printf("----------------------\n");
for(our_current_location_y = 0;
our_current_location_y <= environment_height - 1;
our_current_location_y++)
{
for(our_current_location_x = 0; our_current_location_x
<= environment_width - 1; our_current_location_x++)
{
printf("%c", environment[our_current_location_x]
[our_current_location_y]);
}
printf("\n");
}
}
#endif
#if defined(X_DISPLAY) || defined(TEXT_DISPLAY)
/* Wait between frames of animation */
usleep(microseconds_per_day);
#endif
/* ALG XIV.G: For each of the process’s people, each process spawns
* threads to do the following */
#pragma omp parallel for private(my_current_person_id, my_x_move_direction, \
my_y_move_direction)
for(my_current_person_id = 0; my_current_person_id
<= our_number_of_people - 1; my_current_person_id++)
{
/* ALG XIV.G.1: If the person is not dead, then */
if(our_states[my_current_person_id] != DEAD)
{
/* ALG XIV.G.1.a: The thread randomly picks whether the person
* moves left or right or does not move in the x dimension */
my_x_move_direction = (random() % 3) - 1;
/* ALG XIV.G.1.b: The thread randomly picks whether the person
* moves up or down or does not move in the y dimension */
my_y_move_direction = (random() % 3) - 1;
/* ALG XIV.G.1.c: If the person will remain in the bounds of the
* environment after moving, then */
if((our_x_locations[my_current_person_id]
+ my_x_move_direction >= 0)
&& (our_x_locations[my_current_person_id]
+ my_x_move_direction < environment_width)
&& (our_y_locations[my_current_person_id]
+ my_y_move_direction >= 0)
&& (our_y_locations[my_current_person_id]
+ my_y_move_direction < environment_height))
{
/* ALG XIV.G.i: The thread moves the person */
our_x_locations[my_current_person_id]
+= my_x_move_direction;
our_y_locations[my_current_person_id]
+= my_y_move_direction;
}
}
}
/* ALG XIV.H: For each of the process’s people, each process spawns
* threads to do the following */
#pragma omp parallel for private(my_current_person_id, my_num_infected_nearby, \
my_person2) reduction(+:our_num_infection_attempts) \
reduction(+:our_num_infected) reduction(+:our_num_susceptible) \
reduction(+:our_num_infections)
for(my_current_person_id = 0; my_current_person_id
<= our_number_of_people - 1; my_current_person_id++)
{
/* ALG XIV.H.1: If the person is susceptible, then */
if(our_states[my_current_person_id] == SUSCEPTIBLE)
{
/* ALG XIV.H.1.a: For each of the infected people (received
* earlier from all processes) or until the number of infected
* people nearby is 1, the thread does the following */
my_num_infected_nearby = 0;
for(my_person2 = 0; my_person2 <= total_num_infected - 1
&& my_num_infected_nearby < 1; my_person2++)
{
/* ALG XIV.H.1.a.i: If person 1 is within the infection
* radius, then */
if((our_x_locations[my_current_person_id]
> their_infected_x_locations[my_person2]
- infection_radius)
&& (our_x_locations[my_current_person_id]
< their_infected_x_locations[my_person2]
+ infection_radius)
&& (our_y_locations[my_current_person_id]
> their_infected_y_locations[my_person2]
- infection_radius)
&& (our_y_locations[my_current_person_id]
< their_infected_y_locations[my_person2]
+ infection_radius))
{
/* ALG XIV.H.1.a.i.1: The thread increments the number
* of infected people nearby */
my_num_infected_nearby++;
}
}
#ifdef SHOW_RESULTS
if(my_num_infected_nearby >= 1)
our_num_infection_attempts++;
#endif
/* ALG XIV.H.1.b: If there is at least one infected person
* nearby, and a random number less than 100 is less than or
* equal to the contagiousness factor, then */
if(my_num_infected_nearby >= 1 && (random() % 100)
<= contagiousness_factor)
{
/* ALG XIV.H.1.b.i: The thread changes person1’s state to
* infected */
our_states[my_current_person_id] = INFECTED;
/* ALG XIV.H.1.b.ii: The thread updates the counters */
our_num_infected++;
our_num_susceptible--;
#ifdef SHOW_RESULTS
our_num_infections++;
#endif
}
}
}
/* ALG XIV.I: For each of the process’s people, each process spawns
* threads to do the following */
#pragma omp parallel for private(my_current_person_id) \
reduction(+:our_num_recovery_attempts) reduction(+:our_num_dead) \
reduction(+:our_num_infected) reduction(+:our_num_deaths) \
reduction(+:our_num_immune)
for(my_current_person_id = 0; my_current_person_id
<= our_number_of_people - 1; my_current_person_id++)
{
/* ALG XIV.I.1: If the person is infected and has been for the full
* duration of the disease, then */
if(our_states[my_current_person_id] == INFECTED
&& our_num_days_infected[my_current_person_id]
== duration_of_disease)
{
#ifdef SHOW_RESULTS
our_num_recovery_attempts++;
#endif
/* ALG XIV.I.a: If a random number less than 100 is less than
* the deadliness factor, then */
if((random() % 100) < deadliness_factor)
{
/* ALG XIV.I.a.i: The thread changes the person’s state to
* dead */
our_states[my_current_person_id] = DEAD;
/* ALG XIV.I.a.ii: The thread updates the counters */
our_num_dead++;
our_num_infected--;
#ifdef SHOW_RESULTS
our_num_deaths++;
#endif
}
/* ALG XIV.I.b: Otherwise, */
else
{
/* ALG XIV.I.b.i: The thread changes the person’s state to
* immune */
our_states[my_current_person_id] = IMMUNE;
/* ALG XIV.I.b.ii: The thread updates the counters */
our_num_immune++;
our_num_infected--;
}
}
}
/* ALG XIV.J: For each of the process’s people, each process spawns
* threads to do the following */
#pragma omp parallel for private(my_current_person_id)
for(my_current_person_id = 0; my_current_person_id
<= our_number_of_people - 1; my_current_person_id++)
{
/* ALG XIV.J.1: If the person is infected, then */
if(our_states[my_current_person_id] == INFECTED)
{
/* ALG XIV.J.1.a: Increment the number of days the person has
* been infected */
our_num_days_infected[my_current_person_id]++;
}
}
}
/* ALG XV: If X display is enabled, then Rank 0 destroys the X Window and
* closes the display */
#ifdef X_DISPLAY
if(our_rank == 0)
{
XDestroyWindow(display, window);
XCloseDisplay(display);
}
#endif
#ifdef SHOW_RESULTS
printf("Final counts: %d susceptible, %d infected, %d immune, \
%d dead\nActual contagiousness: %f\nActual deadliness: \
%f\n", our_num_susceptible, our_num_infected, our_num_immune,
our_num_dead, 100.0 * (our_num_infections /
(our_num_infection_attempts == 0 ? 1 : our_num_infection_attempts)),
100.0 * (our_num_deaths / (our_num_recovery_attempts == 0 ? 1
: our_num_recovery_attempts)));
#endif
/* Deallocate the arrays -- we have finished using the memory, so now we
* "free" it back to the heap */
#ifdef TEXT_DISPLAY
for(our_current_location_x = environment_width - 1;
our_current_location_x >= 0; our_current_location_x--)
{
free(environment[our_current_location_x]);
}
free(environment);
#endif
free(our_states);
free(states);
free(displs);
free(recvcounts);
free(our_num_days_infected);
free(their_infected_y_locations);
free(their_infected_x_locations);
free(our_infected_y_locations);
free(our_infected_x_locations);
free(our_y_locations);
free(our_x_locations);
free(y_locations);
free(x_locations);
//#ifdef MPI
/* MPI execution is finished; no MPI calls are allowed after this */
// MPI_Finalize();
//#endif
/* The program has finished executing successfully */
return 0;
}
/******************************************************************************
* Routine to allocate the requested colors from the X server. *
* Two stages are performed: *
* 1. Colors are requested directly. *
* 2. If not enough colors can be allocated, the closest current color *
* in current table is selected instead. *
* This allocation is not optimal as when fail to allocate all colors one *
* should pick the right colors to do allocate in order to minimize the *
* closest distance from the unallocated ones under some norm (what is a good *
* norm for the RGB space?). Improve it if you are bored. *
******************************************************************************/
static void AllocateColors2(void)
{
int i, j, Index = 0, Count = 0, XNumOfColors;
char Msg[80];
unsigned long D, Distance, AvgDistance = 0, Red, Green, Blue;
GifBooleanType Failed = FALSE;
XColor *XOldColorTable;
for (i = 0; i < 256; i++) {
if (i < ColorMapSize) { /* Prepere color entry in X format. */
XColorTable[i].red = ColorMap[i].Red << 8;
XColorTable[i].green = ColorMap[i].Green << 8;
XColorTable[i].blue = ColorMap[i].Blue << 8;
XColorTable[i].flags = DoRed | DoGreen | DoBlue;
XPixelTable[i] = -1; /* Not allocated yet. */
}
else
XPixelTable[i] = 0; /* Put reasonable color for out of range. */
}
for (i = 0; i < ColorMapSize; i++) /* Allocate the colors from X: */
if (XAllocColor(XDisplay, XColorMap, &XColorTable[i]))
XPixelTable[i] = XColorTable[i].pixel;
else
Failed = TRUE;
if (Failed) {
XNumOfColors = DisplayCells(XDisplay, XScreen);
XOldColorTable = (XColor *) malloc(sizeof(XColor) * XNumOfColors);
for (i = 0; i < XNumOfColors; i++) XOldColorTable[i].pixel = i;
XQueryColors(XDisplay, XColorMap, XOldColorTable, XNumOfColors);
for (i = 0; i < ColorMapSize; i++) {
/* Allocate closest colors from X: */
if (XPixelTable[i] == -1) { /* Failed to allocate this one. */
Distance = 0xffffffff;
Red = XColorTable[i].red;
Green = XColorTable[i].green;
Blue = XColorTable[i].blue;
for (j = 0; j < XNumOfColors; j++) {
/* Find the closest color in 3D RGB space using L1 norm. */
if ((D = ABS(Red - XOldColorTable[j].red) +
ABS(Green - XOldColorTable[j].green) +
ABS(Blue - XOldColorTable[j].blue)) < Distance) {
Distance = D;
Index = j;
}
}
XPixelTable[i] = Index;
AvgDistance += Distance;
Count++;
}
}
free(XOldColorTable);
sprintf(Msg, "Colors will be approximated (average error = %d).\n",
AvgDistance / Count);
GIF_MESSAGE(Msg);
}
}
int main () {
printf ("X11 demo\n");
Display* display = NULL;
GC graphics_context;
Window window;
int black_colour, white_colour;
{ // create window and display combo
printf ("init window...\n");
display = XOpenDisplay (NULL);
if (!display) {
fprintf (stderr, "ERROR: opening display\n");
return 1;
}
black_colour = BlackPixel (display, DefaultScreen (display));
white_colour = WhitePixel (display, DefaultScreen (display));
// colour map
Colormap colour_map;
char green[] = "#00FF00";
char charcoal[] ="RGBi:0.01/0.02/0.01";
char lcharcoal[] = "RGBi:0.02/0.03/0.02";//"#445544";
char textc[] = "#DDEEDD";
char linenoc[] = "#667766";
char rulerc[] = "#556655";
colour_map = DefaultColormap (display, 0);
// add colours
XParseColor (display, colour_map, green, &green_col);
XAllocColor (display, colour_map, &green_col);
XParseColor (display, colour_map, charcoal, &charcoal_col);
XAllocColor (display, colour_map, &charcoal_col);
XParseColor (display, colour_map, lcharcoal, &lcharcoal_col);
XAllocColor (display, colour_map, &lcharcoal_col);
XParseColor (display, colour_map, textc, &text_col);
XAllocColor (display, colour_map, &text_col);
XParseColor (display, colour_map, rulerc, &ruler_col);
XAllocColor (display, colour_map, &ruler_col);
XParseColor (display, colour_map, linenoc, &lineno_col);
XAllocColor (display, colour_map, &lineno_col);
// note: can use CopyFromParent instead of colour index
// note: there is also XCreateWindow with more params
// simplewindow also clears the window to background colour
// 0,0 is request position, other 0 is border (not used)
window = XCreateSimpleWindow (display, DefaultRootWindow (display), 0, 0,
1024, 768, 0, charcoal_col.pixel, charcoal_col.pixel);
XStoreName (display, window, "Anton's X11 demo");
// get MapNotify events etc.
XSelectInput (display, window, ExposureMask); // was StructureNotifyMask
// put window on screen command
XMapWindow (display, window);
// create graphics context
graphics_context = XCreateGC (display, window, 0, 0);
} // endinitwindow
{ // draw
// note: can also unload a font
const char* font_name = "-*-Monospace-*-10-*";
XFontStruct* font = XLoadQueryFont (display, font_name);
if (!font) {
fprintf (stderr, "ERROR: could not load font %s\n", font_name);
font = XLoadQueryFont (display, "fixed");
if (!font) {
fprintf (stderr, "ERROR: default font fixed did not load\n");
return 1;
}
}
XSetFont (display, graphics_context, font->fid);
event_loop (display, window, graphics_context);
} // enddraw
return 0;
}
XColor *xGetXColor(Display *display,
Colormap cmap,
x_color_list_index_t *list_index,
const char *colorname)
{
int pixval;
int get_next;
x_color_list_t *new_entry, *this_entry;
if (list_index->n_entries == 0) {
new_entry = (x_color_list_t *)
umalloc (sizeof(x_color_list_t));
list_index->first_entry = new_entry;
} else {
this_entry = list_index->first_entry;
get_next = TRUE;
while (get_next) {
if (!strcmp(colorname, this_entry->colorname))
return(&this_entry->x_color);
if (this_entry->next == NULL) {
get_next = FALSE;
} else {
this_entry = this_entry->next;
}
} /* while */
new_entry = (x_color_list_t *)
umalloc (sizeof(x_color_list_t));
this_entry->next = new_entry;
} /* if (list_index ..... */
list_index->n_entries++;
new_entry->next = NULL;
new_entry->duplicate = FALSE;
new_entry->colorname = (char *)
umalloc (strlen(colorname) + 1);
strcpy(new_entry->colorname, colorname);
if (XParseColor(display, cmap, colorname, &new_entry->x_color) == 0) {
fprintf(stderr, "ERROR - xGetXColor\n");
fprintf(stderr, "Cannot match color '%s'\n", colorname);
return(NULL);
}
XAllocColor(display, cmap, &new_entry->x_color);
new_entry->gc = XCreateGC(display, DefaultRootWindow(display),
0, 0);
XSetForeground(display, new_entry->gc, new_entry->x_color.pixel);
/*
* search through the list to check whether the same pixel value has
* been allocated to a previous entry - this sometimes happens
* if the server has run out of color cells. If there is a duplicate
* entry, set the duplicate flag in the new entry
*/
pixval = new_entry->x_color.pixel;
this_entry = list_index->first_entry;
while (this_entry->next != NULL) {
if (this_entry->x_color.pixel == pixval) {
new_entry->duplicate = TRUE;
break;
}
this_entry = this_entry->next;
} /* while */
return(&new_entry->x_color);
}
PetscErrorCode PetscDrawSetUpColormap_Private(Display *display,int screen,Visual *visual,Colormap colormap)
{
int i,found;
Colormap defaultmap = DefaultColormap(display,screen);
XColor colordef;
PetscBool fast = PETSC_FALSE;
PetscErrorCode ierr;
PetscFunctionBegin;
if (colormap) gColormap = colormap;
else gColormap = XCreateColormap(display,RootWindow(display,screen),visual,AllocAll);
cmap_base = 0;
ierr = PetscMemzero(cmap_pixvalues_used,256*sizeof(PetscBool));CHKERRQ(ierr);
/* set the basic colors into the color map */
for (i=0; i<PETSC_DRAW_BASIC_COLORS; i++) {
XParseColor(display,gColormap,colornames[i],&colordef);
/* try to allocate the color in the default-map */
found = XAllocColor(display,defaultmap,&colordef);
/* use it, if it it exists and is not already used in the new colormap */
if (found && colordef.pixel < 256 && !cmap_pixvalues_used[colordef.pixel]) {
cmap_pixvalues_used[colordef.pixel] = PETSC_TRUE;
/* otherwise search for the next available slot */
} else {
while (cmap_pixvalues_used[cmap_base]) cmap_base++;
colordef.pixel = cmap_base;
cmap_pixvalues_used[cmap_base++] = PETSC_TRUE;
}
XStoreColor(display,gColormap,&colordef);
gCmapping[i] = colordef.pixel;
}
/* set the contour colors into the colormap */
ierr = PetscOptionsGetBool(NULL,NULL,"-draw_fast",&fast,NULL);CHKERRQ(ierr);
if (!fast) {
int ncolors = 256-PETSC_DRAW_BASIC_COLORS;
unsigned char *red,*green,*blue;
ierr = PetscMalloc3(ncolors,&red,ncolors,&green,ncolors,&blue);CHKERRQ(ierr);
ierr = PetscDrawUtilitySetCmap(NULL,ncolors,red,green,blue);CHKERRQ(ierr);
for (i=0; i<ncolors; i++) {
colordef.red = (unsigned short)(red[i] << 8);
colordef.green = (unsigned short)(green[i] << 8);
colordef.blue = (unsigned short)(blue[i] << 8);
colordef.flags = DoRed|DoGreen|DoBlue;
/* try to allocate the color in the default-map */
found = XAllocColor(display,defaultmap,&colordef);
/* use it, if it it exists and is not already used in the new colormap */
if (found && colordef.pixel < 256 && !cmap_pixvalues_used[colordef.pixel]) {
cmap_pixvalues_used[colordef.pixel] = PETSC_TRUE;
/* otherwise search for the next available slot */
} else {
while (cmap_pixvalues_used[cmap_base]) cmap_base++;
colordef.pixel = cmap_base;
cmap_pixvalues_used[cmap_base++] = PETSC_TRUE;
}
XStoreColor(display,gColormap,&colordef);
gCmapping[PETSC_DRAW_BASIC_COLORS + i] = colordef.pixel;
}
ierr = PetscFree3(red,green,blue);CHKERRQ(ierr);
}
ierr = PetscInfo(0,"Successfully allocated colors\n");CHKERRQ(ierr);
PetscFunctionReturn(0);
}
void
do_setcustompalette (XColor * inpal)
{
int i, n, me = 0, flag[256], vid;
int depth;
long unsigned int plane_masks[3];
XColor pal[256];
int writeable_p;
display.cmap = XDefaultColormap (display.dpy, display.screen);
depth = DefaultDepth (display.dpy, display.screen);
/* Decide, if the colormap is writable */
{
Visual *visual = DefaultVisual (display.dpy, display.screen);
#if defined(__cplusplus) || defined(c_plusplus)
int visual_class = visual->c_class;
#else
int visual_class = visual->class;
#endif
writeable_p = (visual_class == PseudoColor || visual_class == GrayScale);
}
if (writeable_p)
{
if (XAllocColorCells (display.dpy, display.cmap, 0
,plane_masks, 0, colour_table, 256) == 0)
{
me = (*DefaultVisual (display.dpy, display.screen)).map_entries;
vid = (*DefaultVisual (display.dpy, display.screen)).visualid;
display.cmap = XCreateColormap (display.dpy, display.win
,DefaultVisual (display.dpy, display.screen)
/* ,PseudoColor */
,AllocNone);
if (me == 256 && depth != 24)
{
if (XAllocColorCells (display.dpy, display.cmap, 0
,plane_masks, 0, colour_table, 256) != 0) {
/* printf ("Allocated 256 cells\n"); */
}
else {
printf ("Couldn't allocate 256 cells\n");
}
}
else
for (i = 0; i < 256; i++)
colour_table[i] = i;
}
if (!display.cmap)
HandleError ("No default colour map", FATAL);
}
for (i = 0; i < 256; i++)
flag[i] = 0;
for (n = 0; n < 256; n++)
{
pal[n].red = inpal[n].red << 10;
pal[n].green = inpal[n].green << 10;
pal[n].blue = inpal[n].blue << 10;
pal[n].flags = DoRed | DoGreen | DoBlue;
if (writeable_p)
pal[n].pixel = colour_table[n];
else
{
if (XAllocColor (display.dpy
,display.cmap, &(pal[n])) == 0)
HandleError ("alloc colour failed"
,FATAL);
colour_table[n] = pal[n].pixel;
XSetForeground (display.dpy
,display.pixcolour_gc[n]
,colour_table[n]);
}
flag[n] = 1;
}
if (writeable_p)
{
XStoreColors (display.dpy, display.cmap, pal, 256);
XFlush (display.dpy);
}
XSetWindowColormap (display.dpy, display.win, display.cmap);
}
/*
***********************************************************************
* Allocates colors and fill a pixel value array. Color values are
* truncated with RED_MASK, GREEN_MASK and BLUE_MASK
*
* from,to are the primary colors to use
* maxcols is the number of colors
* colors is the array of pixel values
* light,dark are the colors for the relief
* dr,dg,db are the increment values for the colors
* alloc_relief if colors for relief should be allocated
* incr - 0 if gradient is light to dark, 1 if dark to light
***********************************************************************
*/
int MakeColors(Display *dpy, Drawable d, int from[3], int to[3], int maxcols,
unsigned long *colors, unsigned long *dark,
unsigned long *light, int dr, int dg, int db,
int alloc_relief, int incr)
{
float rv, gv, bv;
float sr,sg,sb;
int red, green, blue;
XColor color;
int i;
sr = (float)dr / (float)maxcols;
sg = (float)dg / (float)maxcols;
sb = (float)db / (float)maxcols;
rv = (float)from[0];
gv = (float)from[1];
bv = (float)from[2];
/* kludge to frce color allocation in the first iteration on any case */
color.red = (from[0] == 0) ? 0xffff : 0;
color.green = 0;
color.blue = 0;
for(i = 0; i < maxcols; i++) {
/* color allocation saver */
red = ((short)rv) & RED_MASK;
green = ((short)gv) & GREEN_MASK;
blue = ((short)bv) & BLUE_MASK;
if (color.red != red || color.green != green || color.blue != blue) {
color.red = red;
color.green = green;
color.blue = blue;
if (XAllocColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)),
&color)==0) {
return 0;
}
}
colors[i] = color.pixel;
rv += sr;
gv += sg;
bv += sb;
if ((rv > 65535.0) || (rv < 0.0)) rv -= sr;
if ((gv > 65535.0) || (gv < 0.0)) gv -= sg;
if ((bv > 65535.0) || (bv < 0.0)) bv -= sb;
}
/* allocate 2 colors for the bevel */
if (alloc_relief) {
if (incr) {
rv = (float)from[0] * 0.8;
gv = (float)from[1] * 0.8;
bv = (float)from[2] * 0.8;
} else {
rv = (float)to[0] * 0.8;
gv = (float)to[1] * 0.8;
bv = (float)to[2] * 0.8;
}
color.red = (unsigned short)(rv<0?0:rv);
color.green = (unsigned short)(gv<0?0:gv);
color.blue = (unsigned short)(bv<0?0:bv);
if (XAllocColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)),&color))
*dark = color.pixel;
else
*dark = colors[incr ? 0 : maxcols-1];
if (incr) {
float avg;
avg = (float)(to[0]+to[1]+to[2])/3;
rv = avg + (float)(to[0]/2);
gv = avg + (float)(to[1]/2);
bv = avg + (float)(to[2]/2);
} else {
float avg;
avg = (float)(from[0]+from[1]+from[2])/3;
rv = avg + (float)(from[0]/2);
gv = avg + (float)(from[1]/2);
bv = avg + (float)(from[2]/2);
}
color.red = (unsigned short)(rv>65535.0 ? 65535.0:rv);
color.green = (unsigned short)(gv>65535.0 ? 65535.0:gv);
color.blue = (unsigned short)(bv>65535.0 ? 65535.0:bv);
if (XAllocColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)),
&color))
*light = color.pixel;
else
*light = colors[incr ? maxcols-1 : 0];
} else {
*light = colors[incr ? maxcols-1 : 0];
*dark = colors[incr ? 0 : maxcols-1];
}
return 1;
}
static Bool InitializeAll(struct state *st)
{
XGCValues xgcv;
XWindowAttributes xgwa;
/* XSetWindowAttributes xswa;*/
Colormap cmap;
XColor color;
int n,i;
double rspeed;
st->cosilines = True;
XGetWindowAttributes(st->dpy,st->win[0],&xgwa);
cmap=xgwa.colormap;
/* xswa.backing_store=Always;
XChangeWindowAttributes(st->dpy,st->win[0],CWBackingStore,&xswa);*/
xgcv.function=GXcopy;
xgcv.foreground=get_pixel_resource (st->dpy, cmap, "background", "Background");
st->fgc[32]=XCreateGC(st->dpy,st->win[0],GCForeground|GCFunction,&xgcv);
n=0;
if (mono_p)
{
st->fgc[0]=st->fgc[32];
xgcv.foreground=get_pixel_resource (st->dpy, cmap, "foreground", "Foreground");
st->fgc[1]=XCreateGC(st->dpy,st->win[0],GCForeground|GCFunction,&xgcv);
for (i=0;i<32;i+=2) st->fgc[i]=st->fgc[0];
for (i=1;i<32;i+=2) st->fgc[i]=st->fgc[1];
} else
for (i=0;i<32;i++)
{
color.red=colors[n++]<<8;
color.green=colors[n++]<<8;
color.blue=colors[n++]<<8;
color.flags=DoRed|DoGreen|DoBlue;
XAllocColor(st->dpy,cmap,&color);
xgcv.foreground=color.pixel;
st->fgc[i]=XCreateGC(st->dpy,st->win[0],GCForeground|GCFunction,&xgcv);
}
st->cgc=XCreateGC(st->dpy,st->win[0],GCForeground|GCFunction,&xgcv);
XSetGraphicsExposures(st->dpy,st->cgc,False);
st->cosilines = get_boolean_resource(st->dpy, "random","Boolean");
#ifdef HAVE_DOUBLE_BUFFER_EXTENSION
if (get_boolean_resource (st->dpy, "useDBE", "Boolean"))
st->usedouble = True;
st->win[1] = xdbe_get_backbuffer (st->dpy, st->win[0], XdbeUndefined);
if (!st->win[1])
{
st->usedouble = False;
st->win[1] = st->win[0];
}
#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
st->delay=get_integer_resource(st->dpy, "delay","Integer");
rspeed=get_float_resource(st->dpy, "speed","Float");
if (rspeed<0.0001 || rspeed>0.2)
{
fprintf(stderr,"Speed not in valid range! (0.0001 - 0.2), using 0.1 \n");
rspeed=0.1;
}
st->sizx=xgwa.width;
st->sizy=xgwa.height;
st->midx=st->sizx>>1;
st->midy=st->sizy>>1;
st->stateX=0;
st->stateY=0;
if (!make_rots(st,rspeed,rspeed))
{
fprintf(stderr,"Not enough memory for tables!\n");
return False;
}
return True;
}
int InitX() {
XColor xColor;
Colormap colormap;
dpy = XOpenDisplay(NULL);
if(dpy == NULL) {
fprintf(stderr, "ERROR: Unable to open X display\n");
return 1;
}
clrBlack = BlackPixel(dpy, DefaultScreen(dpy));
clrWhite = WhitePixel(dpy, DefaultScreen(dpy));
colormap = DefaultColormap(dpy, DefaultScreen(dpy));
XParseColor(dpy, colormap, "red", &xColor);
XAllocColor(dpy, colormap, &xColor);
clrRed = xColor.pixel;
XParseColor(dpy, colormap, "blue", &xColor);
XAllocColor(dpy, colormap, &xColor);
clrBlue = xColor.pixel;
XParseColor(dpy, colormap, "orange", &xColor);
XAllocColor(dpy, colormap, &xColor);
clrOrange = xColor.pixel;
wmDeleteMessage = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
// Create the window
win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0,
400, 300, 8, clrBlack, clrWhite);
XSetWMProtocols(dpy, win, &wmDeleteMessage, 1);
XSelectInput(dpy, win, StructureNotifyMask | ExposureMask | KeyPressMask);
XGCValues values;
XFontStruct *font;
font = XLoadQueryFont(dpy, "fixed");
if(!font) {
fprintf(stderr, "No fixed font?\n");
return 2;
}
values.line_width = 1;
values.line_style = LineSolid;
values.font = font->fid;
gc = XCreateGC(dpy, win, GCLineWidth|GCLineStyle|GCFont,
&values);
XStoreName(dpy, win, "xtemp");
// Map the window (that is, make it appear on the screen)
XMapWindow(dpy, win);
// Tell the GC we draw using black on white
XSetForeground(dpy, gc, clrBlack);
XSetBackground(dpy, gc, clrWhite);
// Wait for the MapNotify event
for(;;) {
XEvent e;
XNextEvent(dpy, &e);
if (e.type == MapNotify)
break;
}
return 0;
}
int main (int argc, char **argv) {
Cursor cursor;
Display *display;
Window root, blub, *blubs = NULL;
unsigned clients;
unsigned long pixel;
char *cname;
XColor color;
int cnt;
Atom prop;
Pixmap save_pixmap = (Pixmap)None;
display = XOpenDisplay(NULL);
if(!display) return 1;
cname = argc == 2 ? argv[1] : "black";
screen = DefaultScreen(display);
root = RootWindow(display, screen);
pixel = BlackPixel(display, screen);
if(XParseColor(display, DefaultColormap(display, screen), cname, &color)) {
if(XAllocColor(display, DefaultColormap(display, screen), &color)) {
pixel = color.pixel;
}
}
XSetWindowBackground(display, root, pixel);
XClearWindow(display, root);
cursor = CreateCursorFromName(display,"watch");
if (cursor) {
XDefineCursor (display, root, cursor);
XFreeCursor (display, cursor);
}
if (fork() == 0) {
Window win;
XEvent xev;
close(0); close(1); close(2);
chdir("/");
display = XOpenDisplay(NULL);
// open a client...
if (display) {
win = XCreateSimpleWindow (
display, root, 0, 0, 1, 1, 0, 0, pixel
);
XSync(display, False);
}
// wait within event loop...
for(;;) XNextEvent(display, &xev);
}
// wait until the child has opened a client
cnt = 100;
do {
if (!XQueryTree (display, root, &blub, &blub, &blubs, &clients)) {
XCloseDisplay(display);
return 0;
}
usleep(50000);
} while(clients < 1 && cnt--);
save_pixmap = XCreatePixmap (display, root, 1, 1, 1);
prop = XInternAtom (display, "_XSETROOT_ID", False);
XChangeProperty (
display, root, prop, XA_PIXMAP, 32,
PropModeReplace, (unsigned char *) &save_pixmap, 1
);
XSetCloseDownMode (display, RetainPermanent);
// enable accessX
// XAccess (display,NULL);
XCloseDisplay(display);
RunWindowManager();
return 0;
}
void init_red() {
red_gc = XCreateGC(dis, win, 0, 0);
XParseColor(dis, colormap, red, &red_col);
XAllocColor(dis, colormap, &red_col);
XSetForeground(dis, red_gc, red_col.pixel);
}
int Init_X (int swidth, int sheight)
{
XGCValues vals;
Colormap TheColormap;
XColor TheColor;
int i;
TheWidth = swidth ;
TheHeight = sheight ;
TheDisplay = XOpenDisplay("\0");
TheRootWindow = DefaultRootWindow(TheDisplay);
TheScreenNumber = DefaultScreen(TheDisplay);
TheDepth = DefaultDepth(TheDisplay, TheScreenNumber);
if (TheDepth != 24) {
printf("24 bit color not supported.\n") ;
printf("Color function not likely to work.\n") ;
}
TheWindow = XCreateSimpleWindow(TheDisplay, TheRootWindow,
0, 0, TheWidth, TheHeight, 0, 0, 0);
if (!TheWindow) return 0 ;
ThePixmap = XCreatePixmap(TheDisplay, TheRootWindow, TheWidth, TheHeight,
TheDepth);
if (!ThePixmap) return 0 ;
TheDrawable = ThePixmap;
XMapWindow(TheDisplay, TheWindow);
XSelectInput(TheDisplay, TheWindow, ExposureMask |
StructureNotifyMask |
PointerMotionMask |
ButtonPressMask |
KeyPressMask );
/*
TheWindowContext = XCreateGC(TheDisplay, TheWindow, 0, 0);
// this is a bad idea ... see test t02.c for an example
// of what can happen to the behavior of the event handler,
// int Handle_Events_X(int *px, int *py)
// if you do this, you'll get runaway calls to Handle_Events
// with the default condition being met and this produces
// a great deal of tearing in the animation of t02.c
*/
/* also a bad idea...same behavior as above
vals.graphics_exposures = 1; // True
*/
// so this is what you want :
vals.graphics_exposures = 0; // False
TheWindowContext = XCreateGC(TheDisplay, TheWindow,
GCGraphicsExposures, &vals);
if (!TheWindowContext) return 0;
ThePixmapContext = XCreateGC(TheDisplay, ThePixmap, 0, 0);
if (!ThePixmapContext) return 0;
TheColormap = DefaultColormap(TheDisplay, TheScreenNumber);
for(i = 0; i < 256; i++) {
TheColor.green = TheColor.blue = TheColor.red = (i << 8) | i;
TheColor.flags = DoRed | DoGreen | DoBlue;
XAllocColor(TheDisplay, TheColormap, &TheColor);
Grays[i] = TheColor.pixel;
}
TheFontInfo = XLoadQueryFont(TheDisplay, TheFont) ;
XSetFont(TheDisplay, TheWindowContext, TheFontInfo->fid) ;
// XClearWindow(TheDisplay, TheWindow);
// XClearArea(TheDisplay, TheWindow, 0,0,0,0,False); // same as above
XClearArea(TheDisplay, TheWindow, 0,0,0,0,True);
// Does the boolean matter here?
// most people expect a white piece of paper
// with a black pencil
Set_Color_Rgb_X (255,255,255) ; // white
Clear_Buffer_X() ; // otherwise you can inherit garbage
// from the parent window
// Set_Color_Rgb_X (255,0,255) ; // purple
// Fill_Rectangle_X(10,10,50,80) ;
// above was just a test
Copy_Buffer_X() ;
XFlush(TheDisplay);
// XSync(TheDisplay, False) ; // seems unnecessary
Set_Color_Rgb_X (0,0,0) ; // black pencil
return 1 ;
}
dsxc_lutcol (void)
/* C-- */
{
int k, ka, kdiv;
Status istat;
unsigned short int c;
char flags;
/* Cbegin */
DSOPEN = F77_NAMED_COMMON(ds_genb).dsopen;
PDSOPEN = F77_NAMED_COMMON(ds_panelb).pdsopen;
NUMDDCOL = F77_NAMED_COMMON(lutacom).numddcol;
flags = DoRed | DoGreen | DoBlue;
if ( DSOPEN || PDSOPEN ) {
(void) dsxc_lutvget();
if ( OWNCOL ) {
kdiv = LVX/NUMDDCOL;
for ( k = 15; k<15+LVX; k++ ) {
ka = 15 + ((k-15)/kdiv);
COLOUR[ka].pixel = PC_ID[ka];
COLOUR[ka].flags = flags;
c = LUTC_VAL[(k-15)][0]*65535.0;
COLOUR[ka].red = c;
c = LUTC_VAL[(k-15)][1]*65535.0;
COLOUR[ka].green = c;
c = LUTC_VAL[(k-15)][2]*65535.0;
COLOUR[ka].blue = c;
}
XStoreColors ( VD_ID, CM_ID, COLOUR, 15+NUMDDCOL );
XInstallColormap ( VD_ID, CM_ID );
XFlush ( VD_ID );
}
else {
for (k = 15; k<15+LVX; k++ ) {
COLOUR[k].flags = flags;
c = LUTC_VAL[(k-15)][0]*65535.0;
COLOUR[k].red = c;
c = LUTC_VAL[(k-15)][1]*65535.0;
COLOUR[k].green = c;
c = LUTC_VAL[(k-15)][2]*65535.0;
COLOUR[k].blue = c;
istat = XAllocColor ( VD_ID, CM_ID, &COLOUR[k] );
if ( istat==0 ) {
(void) c_printo ( "ERROR,x_lut: Colour pixel not allocated" );
PC_ID[k] = 0;
}
else
PC_ID[k] = COLOUR[k].pixel;
}
XFlush ( VD_ID );
}
}
}
static Bool
GradientLoader(XawParams *params, Screen *screen, Colormap colormap, int depth,
Pixmap *pixmap_return, Pixmap *mask_return,
Dimension *width_return, Dimension *height_return)
{
double ired, igreen, iblue, red, green, blue;
XColor start, end, color;
XGCValues values;
GC gc;
double i, inc, x, y, xend, yend;
Pixmap pixmap;
XawArgVal *argval;
int orientation, dimension, steps;
char *value;
if (XmuCompareISOLatin1(params->name, "vertical") == 0)
orientation = VERTICAL;
else if (XmuCompareISOLatin1(params->name, "horizontal") == 0)
orientation = HORIZONTAL;
else
return (False);
if ((argval = XawFindArgVal(params, "dimension")) != NULL
&& argval->value)
{
dimension = atoi(argval->value);
if (dimension <= 0)
return (False);
}
else
dimension = 50;
if ((argval = XawFindArgVal(params, "steps")) != NULL
&& argval->value)
{
steps = atoi(argval->value);
if (steps <= 0)
return (False);
}
else
steps = dimension;
steps = XawMin(steps, dimension);
value = NULL;
if ((argval = XawFindArgVal(params, "start")) != NULL)
value = argval->value;
if (value && !XAllocNamedColor(DisplayOfScreen(screen), colormap, value,
&start, &color))
return (False);
else if (!value)
{
start.pixel = WhitePixelOfScreen(screen);
XQueryColor(DisplayOfScreen(screen), colormap, &start);
}
value = NULL;
if ((argval = XawFindArgVal(params, "end")) != NULL)
value = argval->value;
if (value && !XAllocNamedColor(DisplayOfScreen(screen), colormap, value,
&end, &color))
return (False);
else if (!value)
{
end.pixel = BlackPixelOfScreen(screen);
XQueryColor(DisplayOfScreen(screen), colormap, &end);
}
if ((pixmap = XCreatePixmap(DisplayOfScreen(screen),
RootWindowOfScreen(screen),
orientation == VERTICAL ? 1 : dimension,
orientation == VERTICAL ? dimension : 1, depth))
== 0)
return (False);
ired = (double)(end.red - start.red) / (double)steps;
igreen = (double)(end.green - start.green) / (double)steps;
iblue = (double)(end.blue - start.blue) / (double)steps;
red = color.red = start.red;
green = color.green = start.green;
blue = color.blue = start.blue;
inc = (double)dimension / (double)steps;
gc = XCreateGC(DisplayOfScreen(screen), pixmap, 0, &values);
x = y = 0.0;
if (orientation == VERTICAL)
{
xend = 1;
yend = 0;
}
else
{
xend = 0;
yend = 1;
}
color.flags = DoRed | DoGreen | DoBlue;
XSetForeground(DisplayOfScreen(screen), gc, start.pixel);
for (i = 0.0; i < dimension; i += inc)
{
if ((int)color.red != (int)red || (int)color.green != (int)green
|| (int)color.blue != (int)blue)
{
XFillRectangle(DisplayOfScreen(screen), pixmap, gc, (int)x, (int)y,
(unsigned int)xend, (unsigned int)yend);
color.red = (unsigned short)red;
color.green = (unsigned short)green;
color.blue = (unsigned short)blue;
if (!XAllocColor(DisplayOfScreen(screen), colormap, &color))
{
XFreePixmap(DisplayOfScreen(screen), pixmap);
return (False);
}
XSetForeground(DisplayOfScreen(screen), gc, color.pixel);
if (orientation == VERTICAL)
y = yend;
else
x = xend;
}
red += ired;
green += igreen;
blue += iblue;
if (orientation == VERTICAL)
yend += inc;
else
xend += inc;
}
XFillRectangle(DisplayOfScreen(screen), pixmap, gc, (int)x, (int)y,
(unsigned int)xend, (unsigned int)yend);
*pixmap_return = pixmap;
*mask_return = None;
*width_return = orientation == VERTICAL ? 1 : dimension;
*height_return = orientation == VERTICAL ? dimension : 1;
XFreeGC(DisplayOfScreen(screen), gc);
return (True);
}
WTexSolid *wTextureMakeSolid(WScreen * scr, XColor * color)
{
WTexSolid *texture;
int gcm;
XGCValues gcv;
texture = wmalloc(sizeof(WTexture));
texture->type = WTEX_SOLID;
texture->subtype = 0;
XAllocColor(dpy, scr->w_colormap, color);
texture->normal = *color;
if (color->red == 0 && color->blue == 0 && color->green == 0) {
texture->light.red = 0xb6da;
texture->light.green = 0xb6da;
texture->light.blue = 0xb6da;
texture->dim.red = 0x6185;
texture->dim.green = 0x6185;
texture->dim.blue = 0x6185;
} else {
RColor rgb;
RHSVColor hsv, hsv2;
int v;
rgb.red = color->red >> 8;
rgb.green = color->green >> 8;
rgb.blue = color->blue >> 8;
RRGBtoHSV(&rgb, &hsv);
RHSVtoRGB(&hsv, &rgb);
hsv2 = hsv;
v = hsv.value * 16 / 10;
hsv.value = (v > 255 ? 255 : v);
RHSVtoRGB(&hsv, &rgb);
texture->light.red = rgb.red << 8;
texture->light.green = rgb.green << 8;
texture->light.blue = rgb.blue << 8;
hsv2.value = hsv2.value / 2;
RHSVtoRGB(&hsv2, &rgb);
texture->dim.red = rgb.red << 8;
texture->dim.green = rgb.green << 8;
texture->dim.blue = rgb.blue << 8;
}
texture->dark.red = 0;
texture->dark.green = 0;
texture->dark.blue = 0;
XAllocColor(dpy, scr->w_colormap, &texture->light);
XAllocColor(dpy, scr->w_colormap, &texture->dim);
XAllocColor(dpy, scr->w_colormap, &texture->dark);
gcm = GCForeground | GCBackground | GCGraphicsExposures;
gcv.graphics_exposures = False;
gcv.background = gcv.foreground = texture->light.pixel;
texture->light_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
gcv.background = gcv.foreground = texture->dim.pixel;
texture->dim_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
gcv.background = gcv.foreground = texture->dark.pixel;
texture->dark_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
gcv.background = gcv.foreground = color->pixel;
texture->normal_gc = XCreateGC(dpy, scr->w_win, gcm, &gcv);
return texture;
}
GuiCalibratorX11::GuiCalibratorX11(Calibrator* calibrator0)
: calibrator(calibrator0), time_elapsed(0)
{
display = XOpenDisplay(NULL);
if (display == NULL) {
throw std::runtime_error("Unable to connect to X server");
}
screen_num = DefaultScreen(display);
// Load font and get font information structure
font_info = XLoadQueryFont(display, "9x15");
if (font_info == NULL) {
// fall back to native font
font_info = XLoadQueryFont(display, "fixed");
if (font_info == NULL) {
XCloseDisplay(display);
throw std::runtime_error("Unable to open neither '9x15' nor 'fixed' font");
}
}
#ifdef HAVE_X11_XRANDR
// get screensize from xrandr
int nsizes;
XRRScreenSize* randrsize = XRRSizes(display, screen_num, &nsizes);
if (nsizes != 0) {
set_display_size(randrsize->width, randrsize->height);
} else {
set_display_size(DisplayWidth(display, screen_num),
DisplayHeight(display, screen_num));
}
# else
set_display_size(DisplayWidth(display, screen_num),
DisplayHeight(display, screen_num));
#endif
// Register events on the window
XSetWindowAttributes attributes;
attributes.override_redirect = True;
attributes.event_mask = ExposureMask | KeyPressMask | ButtonPressMask;
win = XCreateWindow(display, RootWindow(display, screen_num),
0, 0, display_width, display_height, 0,
CopyFromParent, InputOutput, CopyFromParent,
CWOverrideRedirect | CWEventMask,
&attributes);
XMapWindow(display, win);
// Listen to events
XGrabKeyboard(display, win, False, GrabModeAsync, GrabModeAsync,
CurrentTime);
calib_input = calibrator->register_events();
if (!calib_input) {
XGrabPointer(display, win, False, ButtonPressMask, GrabModeAsync,
GrabModeAsync, None, None, CurrentTime);
}
Colormap colormap = DefaultColormap(display, screen_num);
XColor color;
for (int i = 0; i != nr_colors; i++) {
XParseColor(display, colormap, colors[i], &color);
XAllocColor(display, colormap, &color);
pixel[i] = color.pixel;
}
XSetWindowBackground(display, win, pixel[GRAY]);
XClearWindow(display, win);
gc = XCreateGC(display, win, 0, NULL);
XSetFont(display, gc, font_info->fid);
// Setup timer for animation
signal(SIGALRM, sigalarm_handler);
struct itimerval timer;
timer.it_value.tv_sec = time_step/1000;
timer.it_value.tv_usec = (time_step % 1000) * 1000;
timer.it_interval = timer.it_value;
setitimer(ITIMER_REAL, &timer, NULL);
}
// #includ ur #life
int main(int argc, char *argv[]) {
bool q = false;
if(argv[1] != NULL && strcmp(argv[1], "-q") == 0) q=true;
Display *disp;
Window win;
XEvent e;
int screen;
int winy = 0;
int winx = 0;
int winheight = 300;
int winwidth = 500;
int borderwidth = 10;
int stdcposx = 20;
int stdcposy = 20;
int cposx = stdcposx;
int cposy = stdcposy;
int lastdeltime = 0;
int lastrowlength = 0;
int lastkeysym = 0;
char *msg = "Clear";
int bwidth=strlen(msg)*6;
int bheight=15;
int btop=20;
int bmargin = 2;
int bleft=winwidth - bwidth - 20;
GC white;
XColor white_color;
Colormap colormap;
char whiteidk[] = "#FFFFFF";
GC red;
XColor red_color;
Colormap rcolormap;
char redidk[] = "#FF0000";
disp = XOpenDisplay(NULL);
if (disp == NULL) {
fprintf(stderr, "Cannot open display\n");
exit(1);
}
screen = DefaultScreen(disp);
win = XCreateSimpleWindow(disp, RootWindow(disp, screen), winx, winy, winwidth, winheight, borderwidth,
BlackPixel(disp, screen), WhitePixel(disp, screen));
XSelectInput(disp, win, ExposureMask | KeyPressMask | ButtonPressMask);
// Window XCreateWindow(display, parent, x, y, width, height, border_width, depth,
// class, visual, valuemask, attributes)
XMapWindow(disp, win);
colormap = DefaultColormap(disp, 0);
white = XCreateGC(disp, win, 0, 0);
XParseColor(disp, colormap, whiteidk, &white_color);
XAllocColor(disp, colormap, &white_color);
XSetForeground(disp, white, white_color.pixel);
rcolormap = DefaultColormap(disp, 0);
red = XCreateGC(disp, win, 0, 0);
XParseColor(disp, colormap, redidk, &red_color);
XAllocColor(disp, colormap, &red_color);
XSetForeground(disp, red, red_color.pixel);
while (1) {
XNextEvent(disp, &e);
if (e.type == Expose)
{
XFillRectangle(disp, win, red, bleft, btop, bwidth, bheight);
XDrawString(disp, win, white, bleft+bmargin, btop+bmargin+9, msg, strlen(msg));
//http://tronche.com/gui/x/xlib/graphics/drawing-text/XDrawString.html
}
if(e.type == 4) // button press
{
int x=e.xbutton.x;
int y=e.xbutton.y;
int button = e.xbutton.button;
if(!q) printf("Button pressed. X: %d, Y: %d Button: %d\n",x,y,button);
if(button == 1)
{
if(y < bheight+btop && x < bwidth+bleft)
{
if(y > btop && x > bleft)
{
if(!q) printf("You've hitten the button!!\nClearing...\n");
XFillRectangle(disp, win, white, 0, 0, winwidth, winheight);
cposx = stdcposx;
cposy = stdcposy;
if(!q) printf("Repainting clearbutton...\n");
XFillRectangle(disp, win, red, bleft, btop, bwidth, bheight);
XDrawString(disp, win, white, bleft+bmargin, btop+bmargin+9, msg, strlen(msg));
}
}
}
}
if (e.type == KeyPress)
{
if(!q) printf("Keycode: %d\n", e.xkey.keycode);
unsigned long keysym = XLookupKeysym(&e.xkey, 0);
if(!q) printf("Keysym: %lu\n",keysym);
char *ascii = XKeysymToString(keysym);
if(!q) printf("ASCII: %s\n",ascii);
if(keysym == 65307 && lastkeysym == 65406) // alt+ESC
{
printf("Exiting...\n");
return 0;
}
else if(keysym == 65293) // line break
{
cposy+=10;
lastrowlength = cposx;
cposx = stdcposx;
}
else if(keysym == 32) // " "
{
cposx+=6;
}
else if(keysym == 65288) // delete
{
time_t now = time(0);
if(!q) printf("Time: %ld\n",now);
int diff = now-lastdeltime;
if(!q) printf("Time since last deletion: %d\n",diff);
XFillRectangle(disp, win, white, cposx-6, cposy-9, 6, 11);
if(diff == 0)
{
XFillRectangle(disp, win, white, cposx-12, cposy-9, 6, 11);
}
lastdeltime = now;
if(cposx <= stdcposx)
{
if(cposy != stdcposy)
{
cposy-=10;
cposx = lastrowlength;
}
}
else
{
cposx-=6;
if(diff == 0 && cposx-6 > stdcposx)
{
cposx-=6;
}
}
}
else if(keysym == 43) // plus
{
XDrawString(disp, win, DefaultGC(disp, screen), cposx, cposy, "+", 1);
cposx+=6;
}
else if(keysym == 44) // comma
{
XDrawString(disp, win, DefaultGC(disp, screen), cposx, cposy, ",", 1);
cposx+=6;
}
else if(keysym == 45) // minus
{
XDrawString(disp, win, DefaultGC(disp, screen), cposx, cposy, "-", 1);
cposx+=6;
}
else if(keysym == 46) // period
{
XDrawString(disp, win, DefaultGC(disp, screen), cposx, cposy, ".", 1);
cposx+=6;
}
else if(keysym == 65289) // tab
{
XDrawString(disp, win, DefaultGC(disp, screen), cposx, cposy, " ", 3);
cposx+=18;
}
else
{
if(lastkeysym != 65506 || lastkeysym != 65505)
{
if(keysym == 49)
{
ascii = "!";
}
else if(keysym == 43)
{
ascii = "?";
}
}
if(keysym != 65506 && keysym != 65505)
{
XDrawString(disp, win, DefaultGC(disp, screen), cposx, cposy, ascii, strlen(ascii));
cposx+=strlen(ascii)*6;
}
}
lastkeysym = keysym;
}
}
XCloseDisplay(disp);
return 0;
}
static Lock *
lockscreen(Display *dpy, int screen) {
char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
unsigned int len;
Lock *lock;
XColor color;
XSetWindowAttributes wa;
Cursor invisible;
int hue1, hue2;
if(dpy == NULL || screen < 0)
return NULL;
lock = malloc(sizeof(Lock));
if(lock == NULL)
return NULL;
lock->screen = screen;
lock->root = RootWindow(dpy, lock->screen);
/* init */
wa.override_redirect = 1;
lock->win = XCreateWindow(dpy, lock->root, 0, 0, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen),
0, DefaultDepth(dpy, lock->screen), CopyFromParent,
DefaultVisual(dpy, lock->screen), CWOverrideRedirect | CWBackPixel, &wa);
/* locked color */
hue1 = rand() % 360;
gen_random_pastel(&color, hue1);
XAllocColor(dpy, DefaultColormap(dpy, lock->screen), &color);
lock->colors[0] = color.pixel;
XSetWindowBackground(dpy, lock->win, lock->colors[0]);
/* trying to unlock color */
hue2 = hue1 + 180;
if (hue2 >= 360) {
hue2 -= 360;
}
gen_random_pastel(&color, hue2);
XAllocColor(dpy, DefaultColormap(dpy, lock->screen), &color);
lock->colors[1] = color.pixel;
lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, &color, &color, 0, 0);
XDefineCursor(dpy, lock->win, invisible);
XMapRaised(dpy, lock->win);
for(len = 1000; len; len--) {
if(XGrabPointer(dpy, lock->root, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
GrabModeAsync, GrabModeAsync, None, invisible, CurrentTime) == GrabSuccess)
break;
usleep(1000);
}
if(running && (len > 0)) {
for(len = 1000; len; len--) {
if(XGrabKeyboard(dpy, lock->root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
== GrabSuccess)
break;
usleep(1000);
}
}
running &= (len > 0);
if(!running) {
unlockscreen(dpy, lock);
lock = NULL;
}
else
XSelectInput(dpy, lock->root, SubstructureNotifyMask);
return lock;
}
void
init_tik_tak(ModeInfo * mi)
{
Display *display = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
int i, max_objects, size_object;
tik_takstruct *tiktak;
/* initialize */
if (tik_taks == NULL) {
if ((tik_taks = (tik_takstruct *) calloc(MI_NUM_SCREENS(mi),
sizeof (tik_takstruct))) == NULL)
return;
}
tiktak = &tik_taks[MI_SCREEN(mi)];
tiktak->mi = mi;
if (tiktak->gc == None) {
if (MI_IS_INSTALL(mi) && MI_NPIXELS(mi) > 2) {
XColor color;
#ifndef STANDALONE
tiktak->fg = MI_FG_PIXEL(mi);
tiktak->bg = MI_BG_PIXEL(mi);
#endif
tiktak->blackpixel = MI_BLACK_PIXEL(mi);
tiktak->whitepixel = MI_WHITE_PIXEL(mi);
if ((tiktak->cmap = XCreateColormap(display, window,
MI_VISUAL(mi), AllocNone)) == None) {
free_tik_tak(display, tiktak);
return;
}
XSetWindowColormap(display, window, tiktak->cmap);
(void) XParseColor(display, tiktak->cmap, "black", &color);
(void) XAllocColor(display, tiktak->cmap, &color);
MI_BLACK_PIXEL(mi) = color.pixel;
(void) XParseColor(display, tiktak->cmap, "white", &color);
(void) XAllocColor(display, tiktak->cmap, &color);
MI_WHITE_PIXEL(mi) = color.pixel;
#ifndef STANDALONE
(void) XParseColor(display, tiktak->cmap, background, &color);
(void) XAllocColor(display, tiktak->cmap, &color);
MI_BG_PIXEL(mi) = color.pixel;
(void) XParseColor(display, tiktak->cmap, foreground, &color);
(void) XAllocColor(display, tiktak->cmap, &color);
MI_FG_PIXEL(mi) = color.pixel;
#endif
tiktak->colors = (XColor *) NULL;
tiktak->ncolors = 0;
}
if ((tiktak->gc = XCreateGC(display, MI_WINDOW(mi),
(unsigned long) 0, (XGCValues *) NULL)) == None) {
free_tik_tak(display, tiktak);
return;
}
}
/* Clear Display */
MI_CLEARWINDOW(mi);
tiktak->painted = False;
XSetFunction(display, tiktak->gc, GXxor);
/*Set up tik_tak data */
tiktak->direction = (LRAND() & 1) ? 1 : -1;
tiktak->win_width = MI_WIDTH(mi);
tiktak->win_height = MI_HEIGHT(mi);
tiktak->num_object = MI_COUNT(mi);
tiktak->x0 = tiktak->win_width / 2;
tiktak->y0 = tiktak->win_height / 2;
max_objects = MI_COUNT(mi);
if (tiktak->num_object == 0) {
tiktak->num_object = DEF_NUM_OBJECT;
max_objects = DEF_NUM_OBJECT;
} else if (tiktak->num_object < 0) {
max_objects = -tiktak->num_object;
tiktak->num_object = NRAND(-tiktak->num_object) + 1;
}
if (tiktak->object == NULL)
if ((tiktak->object = (tik_takobject *) calloc(max_objects,
sizeof (tik_takobject))) == NULL) {
free_tik_tak(display, tiktak);
return;
}
size_object = MIN( tiktak->win_width , tiktak->win_height) / 3;
if ( abs( MI_SIZE(mi) ) > size_object) {
if ( MI_SIZE( mi ) < 0 )
{
size_object = -size_object;
}
}
else
{
size_object = MI_SIZE(mi);
}
if (MI_IS_INSTALL(mi) && MI_NPIXELS(mi) > 2) {
/* Set up colour map */
if (tiktak->colors != NULL) {
if (tiktak->ncolors && !tiktak->no_colors)
free_colors(display, tiktak->cmap, tiktak->colors, tiktak->ncolors);
free(tiktak->colors);
tiktak->colors = (XColor *) NULL;
}
tiktak->ncolors = MI_NCOLORS(mi);
if (tiktak->ncolors < 2)
tiktak->ncolors = 2;
if (tiktak->ncolors <= 2)
tiktak->mono_p = True;
else
tiktak->mono_p = False;
if (tiktak->mono_p)
tiktak->colors = (XColor *) NULL;
else
if ((tiktak->colors = (XColor *) malloc(sizeof (*tiktak->colors) *
(tiktak->ncolors + 1))) == NULL) {
free_tik_tak(display, tiktak);
return;
}
tiktak->cycle_p = has_writable_cells(mi);
if (tiktak->cycle_p) {
if (MI_IS_FULLRANDOM(mi)) {
if (!NRAND(8))
tiktak->cycle_p = False;
else
tiktak->cycle_p = True;
} else {
tiktak->cycle_p = cycle_p;
}
}
if (!tiktak->mono_p) {
if (!(LRAND() % 10))
make_random_colormap(
#ifdef STANDALONE
MI_DISPLAY(mi), MI_WINDOW(mi),
#else
mi,
#endif
tiktak->cmap, tiktak->colors, &tiktak->ncolors,
True, True, &tiktak->cycle_p);
else if (!(LRAND() % 2))
make_uniform_colormap(
#ifdef STANDALONE
MI_DISPLAY(mi), MI_WINDOW(mi),
#else
mi,
#endif
tiktak->cmap, tiktak->colors, &tiktak->ncolors,
True, &tiktak->cycle_p);
else
make_smooth_colormap(
#ifdef STANDALONE
MI_DISPLAY(mi), MI_WINDOW(mi),
#else
mi,
#endif
tiktak->cmap, tiktak->colors, &tiktak->ncolors,
True, &tiktak->cycle_p);
}
XInstallColormap(display, tiktak->cmap);
if (tiktak->ncolors < 2) {
tiktak->ncolors = 2;
tiktak->no_colors = True;
} else
tiktak->no_colors = False;
if (tiktak->ncolors <= 2)
tiktak->mono_p = True;
if (tiktak->mono_p)
tiktak->cycle_p = False;
}
for (i = 0; i < tiktak->num_object; i++) {
tik_takobject *object0;
object0 = &tiktak->object[i];
if (MI_IS_INSTALL(mi) && MI_NPIXELS(mi) > 2) {
if (tiktak->ncolors > 2)
object0->colour = NRAND(tiktak->ncolors - 2) + 2;
else
object0->colour = 1; /* Just in case */
XSetForeground(display, tiktak->gc, tiktak->colors[object0->colour].pixel);
} else {
if (MI_NPIXELS(mi) > 2)
object0->colour = MI_PIXEL(mi, NRAND(MI_NPIXELS(mi)));
else
object0->colour = 1; /*Xor'red so WHITE may not be appropriate */
XSetForeground(display, tiktak->gc, object0->colour);
}
object0->angle = NRAND(90) * PI_RAD;
object0->angle1 = NRAND(90) * PI_RAD;
object0->velocity_a = (NRAND(7) - 3) * PI_RAD;
object0->velocity_a1 = (NRAND(7) - 3) * PI_RAD;
if (size_object == 0)
object0->size_ob = 9;
else if (size_object > 0)
object0->size_ob = size_object;
else
object0->size_ob = NRAND(-size_object) + 1;
object0->size_ob++;
object0->num_point = NRAND(6)+3;
if (LRAND() & 1)
object0->size_mult = 1.0;
else
{
object0->num_point *= 2;
object0->size_mult = 1.0 - ( 1.0 / (float) ((LRAND() & 1) +
2 ) );
}
if (object0->xy != NULL)
free(object0->xy);
if ((object0->xy = (XPoint *) malloc(sizeof( XPoint ) *
(2 * object0->num_point + 2))) == NULL) {
free_tik_tak(display, tiktak);
return;
}
if ((LRAND() & 1) || object0->size_ob < 10 )
{
object0->inner = False;
if ( object0->xy1 != NULL ) free( object0->xy1 );
object0->xy1 = (XPoint *) NULL;
}
else
{
object0->inner = True;
object0->size_ob1 = object0->size_ob -
NRAND( object0->size_ob / 5 ) - 1;
object0->num_point1 = NRAND(6)+3;
if (LRAND() & 1)
object0->size_mult1 = 1.0;
else
{
object0->num_point1 *= 2;
object0->size_mult1 = 1.0 -
( 1.0 / (float) ((LRAND() & 1) + 2 ) );
}
if (object0->xy1 != NULL)
free(object0->xy1);
if ((object0->xy1 = (XPoint *) malloc(sizeof( XPoint ) *
(2 * object0->num_point1 + 2))) == NULL) {
free_tik_tak(display, tiktak);
return;
}
object0->size_mult1 = 1.0;
}
tik_tak_setupobject( mi , object0);
tik_tak_reset_object( object0);
tik_tak_drawobject(mi, object0 );
}
XFlush(display);
XSetFunction(display, tiktak->gc, GXcopy);
}
static BackgroundTexture *parseTexture(RContext * rc, char *text)
{
BackgroundTexture *texture = NULL;
WMPropList *texarray;
WMPropList *val;
int count;
char *tmp;
char *type;
#define GETSTRORGOTO(val, str, i, label) \
val = WMGetFromPLArray(texarray, i);\
if (!WMIsPLString(val)) {\
wwarning("could not parse texture %s", text);\
goto label;\
}\
str = WMGetFromPLString(val)
texarray = WMCreatePropListFromDescription(text);
if (!texarray || !WMIsPLArray(texarray)
|| (count = WMGetPropListItemCount(texarray)) < 2) {
wwarning("could not parse texture %s", text);
if (texarray)
WMReleasePropList(texarray);
return NULL;
}
texture = wmalloc(sizeof(BackgroundTexture));
GETSTRORGOTO(val, type, 0, error);
if (strcasecmp(type, "solid") == 0) {
XColor color;
Pixmap pixmap;
texture->solid = 1;
GETSTRORGOTO(val, tmp, 1, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
XAllocColor(dpy, DefaultColormap(dpy, scr), &color);
pixmap = XCreatePixmap(dpy, root, 8, 8, DefaultDepth(dpy, scr));
XSetForeground(dpy, DefaultGC(dpy, scr), color.pixel);
XFillRectangle(dpy, pixmap, DefaultGC(dpy, scr), 0, 0, 8, 8);
texture->pixmap = pixmap;
texture->color = color;
texture->width = 8;
texture->height = 8;
} else if (strcasecmp(type, "vgradient") == 0
|| strcasecmp(type, "dgradient") == 0 || strcasecmp(type, "hgradient") == 0) {
XColor color;
RColor color1, color2;
RImage *image;
Pixmap pixmap;
RGradientStyle gtype;
int iwidth, iheight;
GETSTRORGOTO(val, tmp, 1, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
color1.red = color.red >> 8;
color1.green = color.green >> 8;
color1.blue = color.blue >> 8;
GETSTRORGOTO(val, tmp, 2, error);
if (!XParseColor(dpy, DefaultColormap(dpy, scr), tmp, &color)) {
wwarning("could not parse color %s in texture %s", tmp, text);
goto error;
}
color2.red = color.red >> 8;
color2.green = color.green >> 8;
color2.blue = color.blue >> 8;
switch (type[0]) {
case 'h':
case 'H':
gtype = RHorizontalGradient;
iwidth = scrWidth;
iheight = 32;
break;
case 'V':
case 'v':
gtype = RVerticalGradient;
iwidth = 32;
iheight = scrHeight;
break;
default:
gtype = RDiagonalGradient;
iwidth = scrWidth;
iheight = scrHeight;
break;
}
image = RRenderGradient(iwidth, iheight, &color1, &color2, gtype);
if (!image) {
wwarning("could not render gradient texture:%s", RMessageForError(RErrorCode));
goto error;
}
if (!RConvertImage(rc, image, &pixmap)) {
wwarning("could not convert texture:%s", RMessageForError(RErrorCode));
RReleaseImage(image);
goto error;
}
texture->width = image->width;
texture->height = image->height;
RReleaseImage(image);
texture->pixmap = pixmap;
} else if (strcasecmp(type, "mvgradient") == 0
static void winopen(void)
{
XWMHints *wmhints;
XClassHint *classhint;
xdpy = XOpenDisplay(NULL);
if (!xdpy)
fz_throw(gapp.ctx, FZ_ERROR_GENERIC, "cannot open display");
XA_CLIPBOARD = XInternAtom(xdpy, "CLIPBOARD", False);
XA_TARGETS = XInternAtom(xdpy, "TARGETS", False);
XA_TIMESTAMP = XInternAtom(xdpy, "TIMESTAMP", False);
XA_UTF8_STRING = XInternAtom(xdpy, "UTF8_STRING", False);
WM_DELETE_WINDOW = XInternAtom(xdpy, "WM_DELETE_WINDOW", False);
NET_WM_STATE = XInternAtom(xdpy, "_NET_WM_STATE", False);
NET_WM_STATE_FULLSCREEN = XInternAtom(xdpy, "_NET_WM_STATE_FULLSCREEN", False);
WM_RELOAD_PAGE = XInternAtom(xdpy, "_WM_RELOAD_PAGE", False);
xscr = DefaultScreen(xdpy);
ximage_init(xdpy, xscr, DefaultVisual(xdpy, xscr));
xcarrow = XCreateFontCursor(xdpy, XC_left_ptr);
xchand = XCreateFontCursor(xdpy, XC_hand2);
xcwait = XCreateFontCursor(xdpy, XC_watch);
xccaret = XCreateFontCursor(xdpy, XC_xterm);
xbgcolor.red = 0x7000;
xbgcolor.green = 0x7000;
xbgcolor.blue = 0x7000;
xshcolor.red = 0x4000;
xshcolor.green = 0x4000;
xshcolor.blue = 0x4000;
XAllocColor(xdpy, DefaultColormap(xdpy, xscr), &xbgcolor);
XAllocColor(xdpy, DefaultColormap(xdpy, xscr), &xshcolor);
xwin = XCreateWindow(xdpy, DefaultRootWindow(xdpy),
10, 10, 200, 100, 0,
ximage_get_depth(),
InputOutput,
ximage_get_visual(),
0,
NULL);
if (xwin == None)
fz_throw(gapp.ctx, FZ_ERROR_GENERIC, "cannot create window");
XSetWindowColormap(xdpy, xwin, ximage_get_colormap());
XSelectInput(xdpy, xwin,
StructureNotifyMask | ExposureMask | KeyPressMask |
PointerMotionMask | ButtonPressMask | ButtonReleaseMask);
mapped = 0;
xgc = XCreateGC(xdpy, xwin, 0, NULL);
XDefineCursor(xdpy, xwin, xcarrow);
wmhints = XAllocWMHints();
if (wmhints)
{
wmhints->flags = IconPixmapHint | IconMaskHint;
xicon = XCreateBitmapFromData(xdpy, xwin,
(char*)mupdf_icon_bitmap_16_bits,
mupdf_icon_bitmap_16_width,
mupdf_icon_bitmap_16_height);
xmask = XCreateBitmapFromData(xdpy, xwin,
(char*)mupdf_icon_bitmap_16_mask_bits,
mupdf_icon_bitmap_16_mask_width,
mupdf_icon_bitmap_16_mask_height);
if (xicon && xmask)
{
wmhints->icon_pixmap = xicon;
wmhints->icon_mask = xmask;
XSetWMHints(xdpy, xwin, wmhints);
}
XFree(wmhints);
}
classhint = XAllocClassHint();
if (classhint)
{
classhint->res_name = "mupdf";
classhint->res_class = "MuPDF";
XSetClassHint(xdpy, xwin, classhint);
XFree(classhint);
}
XSetWMProtocols(xdpy, xwin, &WM_DELETE_WINDOW, 1);
x11fd = ConnectionNumber(xdpy);
}
int
main (int argc, char **argv)
{
Display *dpy;
int opt, ncolors = 0, i;
XColor *allocated;
int nallocated;
XColor color;
Colormap cmap;
while ((opt = getopt (argc, argv, "n:")) != EOF)
switch (opt)
{
case 'n':
ncolors = atoi (optarg);
break;
case '?':
usage (argv[0]);
}
if (ncolors == 0)
usage (argv[0]);
dpy = XOpenDisplay ("");
if (dpy == NULL)
fatal ("Cannot open display");
cmap = DefaultColormap (dpy, 0);
allocated = malloc (ncolors * sizeof *allocated);
nallocated = 0;
memset (&color, 0, sizeof color);
while (nallocated < ncolors
&& color.red < 65536)
{
allocated[nallocated] = color;
if (XAllocColor (dpy, cmap, &allocated[nallocated]))
{
for (i = 0; i < nallocated; ++i)
if (allocated[i].red == allocated[nallocated].red
&& allocated[i].green == allocated[nallocated].green
&& allocated[i].blue == allocated[nallocated].blue)
break;
if (i == nallocated)
{
printf ("allocated %d/%d/%d\n",
allocated[nallocated].red,
allocated[nallocated].green,
allocated[nallocated].blue);
++nallocated;
}
}
++color.red;
++color.green;
++color.blue;
}
fprintf (stderr, "Waiting. Press ^C to stop.\n");
while (1)
sleep (10);
XCloseDisplay (dpy);
return 0;
}
