workbench/demos/rtscreen.c

   1 #include <libraries/reqtools.h>
   2 #include <proto/exec.h>
   3 #include <proto/reqtools.h>
   4
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <stdlib.h>
   8
   9 #define PROGNAME "rtscreen"
  10
  11 struct ReqToolsBase *ReqToolsBase;
  12
  13 static void cleanup(char *msg)
  14 {
  15     if (msg) printf(PROGNAME ": %s\n", msg);
  16
  17     if (ReqToolsBase) CloseLibrary((struct Library *)ReqToolsBase);
  18
  19     exit(0);
  20 }
  21
  22 static void openlibs(void)
  23 {
  24     ReqToolsBase = (struct ReqToolsBase *)OpenLibrary("reqtools.library", 0);
  25     if (!ReqToolsBase) cleanup("Can't open reqtools.library");
  26 }
  27
  28 static void action(void)
  29 {
  30     struct rtScreenModeRequester *req;
  31
  32     struct TagItem tags[] =
  33     {
  34         {RTSC_Flags, SCREQF_OVERSCANGAD|SCREQF_AUTOSCROLLGAD|SCREQF_SIZEGADS|SCREQF_DEPTHGAD},
  35         {TAG_DONE                                                                           }
  36     };
  37
  38     if ((req = rtAllocRequestA(RT_SCREENMODEREQ, tags)))
  39     {
  40         rtScreenModeRequestA(req, "Title", tags);
  41         rtFreeRequest(req);
  42     }
  43 }
  44
  45 int main(void)
  46 {
  47     openlibs();
  48     action();
  49     cleanup(0);
  50
  51     return 0;
  52 }