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Annotation of OpenXM/src/ox_toolkit/glib.c, Revision 1.2

1.2     ! ohara       1: /* $OpenXM$ */
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: {
                      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();
                     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: {
                     42:        glib_d = XOpenDisplay(NULL);
                     43:        glib_w = XCreateSimpleWindow(glib_d,RootWindow(glib_d,0),100,100,
                     44:                                                                 XSIZE,YSIZE,2,0,1);
                     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);
                     49:
                     50:        XSetBackground(glib_d, glib_gc, BlackPixel(glib_d, 0));
                     51:        XSetForeground(glib_d, glib_gc, WhitePixel(glib_d, 0));
                     52:
                     53:        /* intialize line attributes */
                     54:        XSetLineAttributes(glib_d,glib_gc,1,LineSolid,CapButt,JoinMiter);
                     55: }
                     56:
                     57: int gclose()
                     58: {
                     59:        XFlush(glib_d);
                     60: }
                     61:
                     62: int gFlush()
                     63: {
                     64:        XFlush(glib_d);
                     65: }
                     66:
                     67:
                     68: int moveto(int x, int y)
                     69: {
                     70:        glib_x = x;
                     71:        glib_y = y;
                     72: }
                     73:
                     74: int lineto(int x, int y)
                     75: {
                     76:        XDrawLine(glib_d,glib_w,glib_gc,glib_x,glib_y,x,y);
                     77:        glib_x = x; glib_y = y;
                     78: }
                     79:
                     80: int setpixel(int x, int y)
                     81: {
                     82:        XDrawPoint(glib_d,glib_w,glib_gc,x,y);
                     83: }
                     84: