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Annotation of OpenXM/src/ox_toolkit/glib.c, Revision 1.4

1.4     ! ohara       1: /* $OpenXM: OpenXM/src/ox_toolkit/glib.c,v 1.3 2000/01/18 12:24:18 takayama Exp $ */
1.1       ohara       2: #include <X11/Xlib.h>
                      3: #include <X11/Xutil.h>
                      4: #include <stdio.h>
                      5:
                      6: #ifdef TEST
                      7: int main()
                      8: {
1.4     ! ohara       9:     int k;
        !            10:     gopen();
        !            11:     for (k=10; k<=500; k++) {
        !            12:         setpixel(k,k);
        !            13:     }
        !            14:     moveto(100,50);
        !            15:     lineto(400,50);
        !            16:     for (k=10; k<=300; k += 20) {
        !            17:         lineto(k,2*k);
        !            18:     }
        !            19:     gFlush();
        !            20:     gclose();
        !            21:     getchar();
1.1       ohara      22: }
                     23:
                     24: #endif
                     25:
                     26: /* -------------------- main code of glib.c ---------------- */
                     27: #define XSIZE 640
                     28: #define YSIZE 400
                     29:
                     30: /* global variables */
                     31: Display *glib_d;
                     32: Window glib_w;
                     33: GC glib_gc;
                     34: XSetWindowAttributes glib_a;
                     35:
                     36: static int glib_x = 0;
                     37: static int glib_y = 0;
                     38:
                     39: /* functions exported */
                     40: int gopen()
                     41: {
1.4     ! ohara      42:     glib_d = XOpenDisplay(NULL);
        !            43:     glib_w = XCreateSimpleWindow(glib_d,RootWindow(glib_d,0),100,100,
        !            44:                                  XSIZE,YSIZE,2,0,BlackPixel(glib_d,0));
        !            45:     glib_a.override_redirect = 1;
        !            46:     XChangeWindowAttributes(glib_d,glib_w,CWOverrideRedirect, &glib_a);
        !            47:     XMapWindow(glib_d,glib_w);
        !            48:     glib_gc = XCreateGC(glib_d,glib_w,0,0);
1.1       ohara      49:
1.4     ! ohara      50:     XSetBackground(glib_d, glib_gc, BlackPixel(glib_d, 0));
        !            51:     XSetForeground(glib_d, glib_gc, WhitePixel(glib_d, 0));
1.1       ohara      52:
1.4     ! ohara      53:     /* intialize line attributes */
        !            54:     XSetLineAttributes(glib_d,glib_gc,1,LineSolid,CapButt,JoinMiter);
1.1       ohara      55: }
                     56:
                     57: int gclose()
                     58: {
1.4     ! ohara      59:     XFlush(glib_d);
1.1       ohara      60: }
                     61:
                     62: int gFlush()
                     63: {
1.4     ! ohara      64:     XFlush(glib_d);
1.1       ohara      65: }
                     66:
                     67:
                     68: int moveto(int x, int y)
                     69: {
1.4     ! ohara      70:     glib_x = x;
        !            71:     glib_y = y;
1.1       ohara      72: }
                     73:
                     74: int lineto(int x, int y)
                     75: {
1.4     ! ohara      76:     XDrawLine(glib_d,glib_w,glib_gc,glib_x,glib_y,x,y);
        !            77:     glib_x = x; glib_y = y;
1.1       ohara      78: }
                     79:
                     80: int setpixel(int x, int y)
                     81: {
1.4     ! ohara      82:     XDrawPoint(glib_d,glib_w,glib_gc,x,y);
1.1       ohara      83: }
                     84: