workbench/demos/compleximage.c

   1 ;/* compleximage.c - program to show the use of a complex Intuition Image.
   2 lc -b1 -cfist -v -y -j73 compleximage.c
   3 blink FROM LIB:c.o compleximage.o TO compleximage LIB 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  21 example may not be published in printed form or distributed with any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 #define INTUI_V36_NAMES_ONLY
  35
  36 #include <exec/types.h>
  37 #include <intuition/intuition.h>
  38 #include <intuition/intuitionbase.h>
  39
  40 #include <proto/exec.h>
  41 #include <proto/dos.h>
  42 #include <proto/intuition.h>
  43
  44 #include <stdio.h>
  45
  46 static const char version[] __attribute__((used)) = "$VER: compleximage 41.1 (14.3.1997)\n";
  47
  48 #ifdef __AROS__
  49 #ifdef __chip
  50 #undef __chip
  51 #endif
  52 #define __chip
  53 #include <proto/alib.h>
  54 #endif
  55
  56 #ifdef LATTICE
  57 int CXBRK(void)    { return(0); }  /* Disable Lattice CTRL/C handling */
  58 int chkabort(void) { return(0); }  /* really */
  59 #endif
  60
  61 struct IntuitionBase *IntuitionBase = NULL;
  62
  63 #define MYIMAGE_LEFT    (0)
  64 #define MYIMAGE_TOP     (0)
  65 #define MYIMAGE_WIDTH   (24)
  66 #define MYIMAGE_HEIGHT  (10)
  67 #define MYIMAGE_DEPTH   (2)
  68
  69 /* This is the image data.  It is a two bitplane open rectangle which
  70 ** is 24 pixels wide and 10 high.  Make sure that it is in CHIP memory,
  71 ** or allocate a block of chip memory with a call like:
  72 **
  73 **     AllocMem(data_size,MEMF_CHIP)
  74 **
  75 ** and copy the data to that block.  See the Exec chapter on
  76 ** Memory Allocation for more information on AllocMem().
  77 */
  78 UBYTE __chip myImageData[] =
  79     {
  80     /* first bitplane of data,
  81     ** open rectangle.
  82     */
  83     0xFF,0xFF, 0xFF,0x00,
  84     0xC0,0x00, 0x03,0x00,
  85     0xC0,0x00, 0x03,0x00,
  86     0xC0,0x00, 0x03,0x00,
  87     0xC0,0x00, 0x03,0x00,
  88     0xC0,0x00, 0x03,0x00,
  89     0xC0,0x00, 0x03,0x00,
  90     0xC0,0x00, 0x03,0x00,
  91     0xC0,0x00, 0x03,0x00,
  92     0xFF,0xFF, 0xFF,0x00,
  93
  94     /* second bitplane of data,
  95     ** filled rectangle to appear within open rectangle.
  96     */
  97     0x00,0x00, 0x00,0x00,
  98     0x00,0x00, 0x00,0x00,
  99     0x00,0x00, 0x00,0x00,
 100     0x00,0xFF, 0x00,0x00,
 101     0x00,0xFF, 0x00,0x00,
 102     0x00,0xFF, 0x00,0x00,
 103     0x00,0xFF, 0x00,0x00,
 104     0x00,0x00, 0x00,0x00,
 105     0x00,0x00, 0x00,0x00,
 106     0x00,0x00, 0x00,0x00,
 107     };
 108
 109 /* used to get the "new look" on a custom screen */
 110 UWORD pens[] = { ~0 };
 111
 112
 113 /*
 114 ** main routine. Open required library and window and draw the images.
 115 ** This routine opens a very simple window with no IDCMP.  See the
 116 ** chapters on "Windows" and "Input and Output Methods" for more info.
 117 ** Free all resources when done.
 118 */
 119 int main(int argc, char *argv[])
 120 {
 121 struct Screen *scr;
 122 struct Window *win;
 123 struct Image myImage;
 124 BOOL quitme = FALSE;
 125 struct IntuiMessage *imsg;
 126
 127 IntuitionBase = (struct IntuitionBase *)OpenLibrary("intuition.library",37);
 128 if (IntuitionBase != NULL)
 129     {
 130     if (NULL != (scr = OpenScreenTags(NULL,
 131                         SA_Depth,       4,
 132                         SA_Pens,        (IPTR) &pens,
 133                         TAG_END)))
 134         {
 135 #ifdef __AROS__
 136         if (NULL != (win = OpenWindowTags(NULL,
 137                             WA_RMBTrap,      TRUE,
 138                             WA_CustomScreen, (IPTR) scr,
 139                             WA_IDCMP,        IDCMP_RAWKEY|IDCMP_CLOSEWINDOW,
 140                             WA_Activate,     TRUE,
 141                             WA_CloseGadget,  TRUE,
 142                             WA_Width,        200,
 143                             WA_Height,       200,
 144                             TAG_END)))
 145 #else
 146         if (NULL != (win = OpenWindowTags(NULL,
 147                             WA_RMBTrap,      TRUE,
 148                             WA_CustomScreen, scr,
 149                             TAG_END)))
 150 #endif
 151             {
 152             myImage.LeftEdge    = MYIMAGE_LEFT;
 153             myImage.TopEdge     = MYIMAGE_TOP;
 154             myImage.Width       = MYIMAGE_WIDTH;
 155             myImage.Height      = MYIMAGE_HEIGHT;
 156             myImage.Depth       = MYIMAGE_DEPTH;
 157             myImage.ImageData   = (UWORD *)myImageData;
 158             myImage.PlanePick   = 0x3;              /* use first two bitplanes */
 159             myImage.PlaneOnOff  = 0x0;              /* clear all unused planes  */
 160             myImage.NextImage   = NULL;
 161
 162             /* Draw the image into the first two bitplanes */
 163             DrawImage(win->RPort,&myImage,20,50);
 164
 165             /* Draw the same image at a new location */
 166             DrawImage(win->RPort,&myImage,100,50);
 167
 168             /* Change the image to use the second and fourth bitplanes,
 169             ** PlanePick is 1010 binary or 0xA,
 170             ** and draw it again at a different location
 171             */
 172             myImage.PlanePick = 0xA;
 173             DrawImage(win->RPort,&myImage,20,100);
 174
 175             /* Now set all the bits in the first bitplane with PlaneOnOff.
 176             ** This will make all the bits set in the second bitplane
 177             ** appear as color 3 (0011 binary), all the bits set in the
 178             ** fourth bitplane appear as color 9 (1001 binary) and all
 179             ** other pixels will be color 1 (0001 binary.  If there were
 180             ** any points in the image where both bits were set, they
 181             ** would appear as color 11 (1011 binary).
 182             ** Draw the image at a different location.
 183             */
 184             myImage.PlaneOnOff = 0x1;
 185             DrawImage(win->RPort,&myImage,100,50);
 186
 187 #ifdef __AROS__
 188             while (!quitme)
 189             {
 190                 WaitPort(win->UserPort);
 191
 192                 while ((imsg = (struct IntuiMessage *)GetMsg(win->UserPort)))
 193                 {
 194                     switch (imsg->Class)
 195                     {
 196                         case IDCMP_CLOSEWINDOW:
 197                             quitme = TRUE;
 198                             break;
 199                         #if 0
 200                         case IDCMP_RAWKEY: // bug or feature? The program immediately exits
 201                                            // when querying for RAWKEY
 202                             printf("code %d\n", imsg->Code);
 203                             quitme = TRUE;
 204                             break;
 205                         #endif
 206                     }
 207
 208                     ReplyMsg((struct Message *)imsg);
 209                 }
 210             }
 211
 212 #else
 213             /* Wait a bit, then quit.
 214             ** In a real application, this would be an event loop, like the
 215             ** one described in the Intuition Input and Output Methods chapter.
 216             */
 217             Delay(200);
 218 #endif
 219
 220             CloseWindow(win);
 221             }
 222         CloseScreen(scr);
 223         }
 224     CloseLibrary((struct Library *)IntuitionBase);
 225     }
 226     return 0;
 227 }