workbench/demos/shadowborder.c

   1 ;/* shadowborder.c - Execute me to compile me with SAS C 5.10
   2 LC -b1 -cfistq -v -y -j73 shadowborder.c
   3 Blink FROM LIB:c.o,shadowborder.o TO shadowborder LIBRARY LIB:LC.lib,LIB:Amiga.lib
   4 quit
   5 */
   6
   7 /*
   8 Copyright (c) 1992 Commodore-Amiga, Inc.
   9
  10 This example is provided in electronic form by Commodore-Amiga, Inc. for
  11 use with the "Amiga ROM Kernel Reference Manual: Libraries", 3rd Edition,
  12 published by Addison-Wesley (ISBN 0-201-56774-1).
  13
  14 The "Amiga ROM Kernel Reference Manual: Libraries" contains additional
  15 information on the correct usage of the techniques and operating system
  16 functions presented in these examples.  The source and executable code
  17 of these examples may only be distributed in free electronic form, via
  18 bulletin board or as part of a fully non-commercial and freely
  19 redistributable diskette.  Both the source and executable code (including
  20 comments) must be included, without modification, in any copy.  This
  21 example may not be published in printed form or distributed with any
  22 commercial product.  However, the programming techniques and support
  23 routines set forth in these examples may be used in the development
  24 of original executable software products for Commodore Amiga computers.
  25
  26 All other rights reserved.
  27
  28 This example is provided "as-is" and is subject to change; no
  29 warranties are made.  All use is at your own risk. No liability or
  30 responsibility is assumed.
  31 */
  32
  33 /*
  34 ** shadowborder.c - program to show the use of an Intuition Border.
  35 */
  36 #define INTUI_V36_NAMES_ONLY
  37
  38 #include <exec/types.h>
  39 #include <intuition/intuition.h>
  40
  41 #include <proto/exec.h>
  42 #include <proto/dos.h>
  43 #include <proto/intuition.h>
  44
  45 #include <stdio.h>
  46
  47 static const char version[] __attribute__((used)) = "$VER: shadowborder 41.1 (14.3.1997)\n";
  48
  49 #ifdef __AROS__
  50 #include <proto/alib.h>
  51 #endif
  52
  53 #ifdef LATTICE
  54 int CXBRK(void)    { return(0); }  /* Disable Lattice CTRL/C handling */
  55 int chkabort(void) { return(0); }  /* really */
  56 #endif
  57
  58 struct IntuitionBase *IntuitionBase = NULL;
  59
  60 #define MYBORDER_LEFT   (0)
  61 #define MYBORDER_TOP    (0)
  62
  63 /* This is the border data. */
  64 WORD myBorderData[] =
  65     {
  66     0,0, 50,0, 50,30, 0,30, 0,0,
  67     };
  68
  69
  70 /*
  71 ** main routine. Open required library and window and draw the images.
  72 ** This routine opens a very simple window with no IDCMP.  See the
  73 ** chapters on "Windows" and "Input and Output Methods" for more info.
  74 ** Free all resources when done.
  75 */
  76 int main(int argc, char **argv)
  77 {
  78 struct Screen   *screen;
  79 struct DrawInfo *drawinfo;
  80 struct Window   *win;
  81 struct Border    shineBorder;
  82 struct Border    shadowBorder;
  83
  84 ULONG mySHADOWPEN = 1;  /* set default values for pens */
  85 ULONG mySHINEPEN  = 2;  /* in case can't get info...   */
  86
  87 IntuitionBase = (struct IntuitionBase *)OpenLibrary("intuition.library",37);
  88 if (IntuitionBase)
  89     {
  90     if ((screen = LockPubScreen(NULL)))
  91         {
  92         if ((drawinfo = GetScreenDrawInfo(screen)))
  93             {
  94             /* Get a copy of the correct pens for the screen.
  95             ** This is very important in case the user or the
  96             ** application has the pens set in a unusual way.
  97             */
  98             mySHADOWPEN = drawinfo->dri_Pens[SHADOWPEN];
  99             mySHINEPEN  = drawinfo->dri_Pens[SHINEPEN];
 100
 101             FreeScreenDrawInfo(screen,drawinfo);
 102             }
 103         UnlockPubScreen(NULL,screen);
 104         }
 105
 106     /* open a simple window on the workbench screen for displaying
 107     ** a border.  An application would probably never use such a
 108     ** window, but it is useful for demonstrating graphics...
 109     */
 110 #ifdef __AROS__
 111     if ((win = OpenWindowTags(NULL,
 112                         WA_PubScreen,  (IPTR)screen,
 113                         WA_RMBTrap,      TRUE,
 114                         WA_IDCMP,       IDCMP_RAWKEY,
 115                         TAG_END)))
 116 #else
 117     if ((win = OpenWindowTags(NULL,
 118                         WA_PubScreen,  screen,
 119                         WA_RMBTrap,      TRUE,
 120                         TAG_END)))
 121 #endif
 122         {
 123         /* set information specific to the shadow component of the border */
 124         shadowBorder.LeftEdge   = MYBORDER_LEFT + 1;
 125         shadowBorder.TopEdge    = MYBORDER_TOP + 1;
 126         shadowBorder.FrontPen   = mySHADOWPEN;
 127         shadowBorder.NextBorder = &shineBorder;
 128
 129         /* set information specific to the shine component of the border */
 130         shineBorder.LeftEdge    = MYBORDER_LEFT;
 131         shineBorder.TopEdge     = MYBORDER_TOP;
 132         shineBorder.FrontPen    = mySHINEPEN;
 133         shineBorder.NextBorder  = NULL;
 134
 135         /* the following attributes are the same for both borders. */
 136         shadowBorder.BackPen    = shineBorder.BackPen   = 0;
 137         shadowBorder.DrawMode   = shineBorder.DrawMode  = JAM1;
 138         shadowBorder.Count      = shineBorder.Count     = 5;
 139         shadowBorder.XY         = shineBorder.XY        = myBorderData;
 140
 141         /* Draw the border at 10,10 */
 142         DrawBorder(win->RPort,&shadowBorder,20,50);
 143
 144         /* Draw the border again at 100,10 */
 145         DrawBorder(win->RPort,&shadowBorder,100,50);
 146
 147 #ifdef __AROS__
 148         Wait (1L << win->UserPort->mp_SigBit);
 149 #else
 150         /* Wait a bit, then quit.
 151         ** In a real application, this would be an event loop, like the
 152         ** one described in the Intuition Input and Output Methods chapter.
 153         */
 154         Delay(200);
 155 #endif
 156
 157         CloseWindow(win);
 158         }
 159     CloseLibrary((struct Library *)IntuitionBase);
 160     }
 161     return 0;
 162 }