render2/test.c

   1 #include <stdio.h>
   2 #include <X11/Xlib.h>
   3 #include <X11/Xatom.h>
   4 #include <X11/extensions/shape.h>
   5 #include <string.h>
   6 #include <stdlib.h>
   7 #include "render.h"
   8 #include <glib.h>
   9
  10 static int x_error_handler(Display * disp, XErrorEvent * error)
  11 {
  12     char buf[1024];
  13     XGetErrorText(disp, error->error_code, buf, 1024);
  14     printf("%s\n", buf);
  15     return 0;
  16 }
  17
  18 #define X 10
  19 #define Y 10
  20 #define W 100
  21 #define H 100
  22
  23 int main()
  24 {
  25     Display *display;
  26     Window win;
  27     XEvent report, report2;
  28     XClassHint chint;
  29     Atom delete_win, protocols;
  30     int quit;
  31
  32     struct RrInstance *inst;
  33     struct RrSurface *sur;
  34     struct RrColor pri, sec;
  35
  36     if (!(display = XOpenDisplay(NULL))) {
  37         fprintf(stderr, "couldn't connect to X server in DISPLAY\n");
  38         return EXIT_FAILURE;
  39     }
  40     XSetErrorHandler(x_error_handler);
  41     win = XCreateWindow(display, RootWindow(display, DefaultScreen(display)),
  42                         X, Y, W, H, 0,
  43                         CopyFromParent,   /* depth */
  44                         CopyFromParent,   /* class */
  45                         CopyFromParent,   /* visual */
  46                         0,                /* valuemask */
  47                         0);               /* attributes */
  48     XMapWindow(display, win);
  49     XSelectInput(display, win, ExposureMask | StructureNotifyMask);
  50
  51     chint.res_name = "rendertest";
  52     chint.res_class = "Rendertest";
  53     XSetClassHint(display, win, &chint);
  54
  55     delete_win = XInternAtom(display, "WM_DELETE_WINDOW", False);
  56     protocols = XInternAtom(display, "WM_PROTOCOLS", False);
  57     XSetWMProtocols(display, win, &delete_win, 1);
  58
  59     /* init Render */
  60     if (!(inst = RrInstanceNew(display, DefaultScreen(display)))) {
  61         fprintf(stderr, "couldn't initialize the Render library "
  62                 "(no suitable GL support found)\n");
  63         return EXIT_FAILURE;
  64     }
  65
  66     sur = RrSurfaceNew(inst, RR_SURFACE_PLANAR, win, 0);
  67     RrSurfaceSetArea(sur, X, Y, W, H);
  68     RrColorSet(&pri, 0, 0, 0, 0);
  69     RrColorSet(&sec, 1, 1, 1, 0);
  70     RrPlanarSet(sur, RR_PLANAR_PIPECROSS, RR_RAISED_INNER, &pri, &sec,
  71                 0, NULL);
  72
  73     quit = 0;
  74     while (!quit) {
  75         XNextEvent(display, &report);
  76         switch (report.type) {
  77         case ClientMessage:
  78             if ((Atom)report.xclient.message_type == protocols)
  79                 if ((Atom)report.xclient.data.l[0] == delete_win)
  80                     quit = 1;
  81         case Expose:
  82             if (XCheckTypedWindowEvent(display, win, ConfigureNotify,
  83                                        &report2)) {
  84                 XPutBackEvent(display, &report);
  85                 XPutBackEvent(display, &report2);
  86                 /* fall through ... */
  87             } else {
  88                 while (XCheckTypedWindowEvent(display, win, Expose, &report));
  89                 RrPaint(sur);
  90                 break;
  91             }
  92         case ConfigureNotify:
  93             while (XCheckTypedWindowEvent(display, win, ConfigureNotify,
  94                                           &report));
  95             RrSurfaceSetSize(sur,
  96                              report.xconfigure.width,
  97                              report.xconfigure.height);
  98             break;
  99         }
 100
 101     }
 102
 103     RrInstanceFree(inst);
 104
 105     return 1;
 106 }