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  21 example may not be published in printed form or distributed with any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 UWORD __chip myImageData[] =
  79     {
  80     /* first bitplane of data,
  81     ** open rectangle.
  82     */
  83     0xFFFF, 0xFF00,
  84     0xC000, 0x0300,
  85     0xC000, 0x0300,
  86     0xC000, 0x0300,
  87     0xC000, 0x0300,
  88     0xC000, 0x0300,
  89     0xC000, 0x0300,
  90     0xC000, 0x0300,
  91     0xC000, 0x0300,
  92     0xFFFF, 0xFF00,
  93
  94     /* second bitplane of data,
  95     ** filled rectangle to appear within open rectangle.
  96     */
  97     0x0000, 0x0000,
  98     0x0000, 0x0000,
  99     0x0000, 0x0000,
 100     0x00FF, 0x0000,
 101     0x00FF, 0x0000,
 102     0x00FF, 0x0000,
 103     0x00FF, 0x0000,
 104     0x0000, 0x0000,
 105     0x0000, 0x0000,
 106     0x0000, 0x0000,
 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
 125 IntuitionBase = (struct IntuitionBase *)OpenLibrary("intuition.library",37);
 126 if (IntuitionBase != NULL)
 127     {
 128     if (NULL != (scr = OpenScreenTags(NULL,
 129                         SA_Depth,       4,
 130                         SA_Pens,        (IPTR) &pens,
 131                         TAG_END)))
 132         {
 133 #ifdef __AROS__
 134         if (NULL != (win = OpenWindowTags(NULL,
 135                             WA_RMBTrap,      TRUE,
 136                             WA_CustomScreen, (IPTR) scr,
 137                             WA_IDCMP,        IDCMP_RAWKEY,
 138                             TAG_END)))
 139 #else
 140         if (NULL != (win = OpenWindowTags(NULL,
 141                             WA_RMBTrap,      TRUE,
 142                             WA_CustomScreen, scr,
 143                             TAG_END)))
 144 #endif
 145             {
 146             myImage.LeftEdge    = MYIMAGE_LEFT;
 147             myImage.TopEdge     = MYIMAGE_TOP;
 148             myImage.Width       = MYIMAGE_WIDTH;
 149             myImage.Height      = MYIMAGE_HEIGHT;
 150             myImage.Depth       = MYIMAGE_DEPTH;
 151             myImage.ImageData   = myImageData;
 152             myImage.PlanePick   = 0x3;              /* use first two bitplanes */
 153             myImage.PlaneOnOff  = 0x0;              /* clear all unused planes  */
 154             myImage.NextImage   = NULL;
 155
 156             /* Draw the image into the first two bitplanes */
 157             DrawImage(win->RPort,&myImage,10,10);
 158
 159             /* Draw the same image at a new location */
 160             DrawImage(win->RPort,&myImage,100,10);
 161
 162             /* Change the image to use the second and fourth bitplanes,
 163             ** PlanePick is 1010 binary or 0xA,
 164             ** and draw it again at a different location
 165             */
 166             myImage.PlanePick = 0xA;
 167             DrawImage(win->RPort,&myImage,10,50);
 168
 169             /* Now set all the bits in the first bitplane with PlaneOnOff.
 170             ** This will make all the bits set in the second bitplane
 171             ** appear as color 3 (0011 binary), all the bits set in the
 172             ** fourth bitplane appear as color 9 (1001 binary) and all
 173             ** other pixels will be color 1 (0001 binary.  If there were
 174             ** any points in the image where both bits were set, they
 175             ** would appear as color 11 (1011 binary).
 176             ** Draw the image at a different location.
 177             */
 178             myImage.PlaneOnOff = 0x1;
 179             DrawImage(win->RPort,&myImage,100,50);
 180
 181 #ifdef __AROS__
 182             /* Wait for a keypress */
 183             Wait (1L << win->UserPort->mp_SigBit);
 184 #else
 185             /* Wait a bit, then quit.
 186             ** In a real application, this would be an event loop, like the
 187             ** one described in the Intuition Input and Output Methods chapter.
 188             */
 189             Delay(200);
 190 #endif
 191
 192             CloseWindow(win);
 193             }
 194         CloseScreen(scr);
 195         }
 196     CloseLibrary((struct Library *)IntuitionBase);
 197     }
 198     return 0;
 199 }