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 int main()
  19 {
  20     Display *display;
  21     Window win;
  22     XEvent report;
  23     XClassHint chint;
  24     Atom delete_win, protocols;
  25     int quit;
  26
  27     struct RrInstance *inst;
  28     struct RrSurface *sur;
  29     struct RrColor pri, sec;
  30
  31     if (!(display = XOpenDisplay(NULL))) {
  32         fprintf(stderr, "couldn't connect to X server in DISPLAY\n");
  33         return EXIT_FAILURE;
  34     }
  35     XSetErrorHandler(x_error_handler);
  36     win = XCreateWindow(display, RootWindow(display, DefaultScreen(display)),
  37                         10, 10, 100, 100, 0,
  38                         CopyFromParent,   /* depth */
  39                         CopyFromParent,   /* class */
  40                         CopyFromParent,   /* visual */
  41                         0,                /* valuemask */
  42                         0);               /* attributes */
  43     XMapWindow(display, win);
  44     XSelectInput(display, win, ExposureMask | StructureNotifyMask);
  45
  46     chint.res_name = "rendertest";
  47     chint.res_class = "Rendertest";
  48     XSetClassHint(display, win, &chint);
  49
  50     delete_win = XInternAtom(display, "WM_DELETE_WINDOW", False);
  51     protocols = XInternAtom(display, "WM_PROTOCOLS", False);
  52     XSetWMProtocols(display, win, &delete_win, 1);
  53
  54     /* init Render */
  55     if (!(inst = RrInit(display, DefaultScreen(display)))) {
  56         fprintf(stderr, "couldn't initialize the Render library "
  57                 "(no suitable GL support found)\n");
  58         return EXIT_FAILURE;
  59     }
  60
  61     sur = RrSurfaceNew(inst, RR_SURFACE_PLANAR, win, 0);
  62     RrSurfaceSetArea(sur, 10, 10, 100, 100);
  63     RrColorSet(&pri, 0, 0, 0, 0);
  64     RrColorSet(&pri, 1, 1, 1, 0);
  65     RrPlanarSet(sur, RR_PLANAR_VERTICAL, &pri, &sec);
  66
  67     quit = 0;
  68     while (!quit) {
  69         XNextEvent(display, &report);
  70         switch (report.type) {
  71         case ClientMessage:
  72             if ((Atom)report.xclient.message_type == protocols)
  73                 if ((Atom)report.xclient.data.l[0] == delete_win)
  74                     quit = 1;
  75         case Expose:
  76             RrPaint(sur);
  77             break;
  78         case ConfigureNotify:
  79             RrSurfaceSetArea(sur,
  80                              report.xconfigure.x,
  81                              report.xconfigure.y,
  82                              report.xconfigure.width,
  83                              report.xconfigure.height);
  84             break;
  85         }
  86
  87     }
  88
  89     RrDestroy(inst);
  90
  91     return 1;
  92 }