test/graphics/showvisregion.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <exec/exec.h>
   7 #include <dos/dos.h>
   8 #include <intuition/intuition.h>
   9 #include <intuition/intuitionbase.h>
  10 #include <intuition/screens.h>
  11 #include <graphics/clip.h>
  12 #include <graphics/rastport.h>
  13 #include <proto/exec.h>
  14 #include <proto/dos.h>
  15 #include <proto/graphics.h>
  16 #include <proto/layers.h>
  17 #include <clib/arossupport_protos.h>
  18
  19 #include <stdio.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22
  23 #define ARG_TEMPLATE "FAST=F/S,NUMBERS=N/S"
  24
  25 #define ARG_FAST    0
  26 #define ARG_NUMBERS 1
  27 #define NUM_ARGS    2
  28
  29 struct IntuitionBase *IntuitionBase = NULL;
  30 struct GfxBase *GfxBase = NULL;
  31
  32 static struct Screen *scr;
  33 static struct Window *win;
  34 static struct Layer *lay;
  35 static struct RDArgs *MyArgs;
  36 static IPTR Args[NUM_ARGS];
  37 static char s[256];
  38
  39 static void Cleanup(char *msg)
  40 {
  41     WORD rc;
  42
  43     if (msg)
  44     {
  45         printf("crlist: %s\n",msg);
  46         rc = RETURN_WARN;
  47     } else {
  48         rc = RETURN_OK;
  49     }
  50
  51     if (MyArgs) FreeArgs(MyArgs);
  52
  53     if (GfxBase) CloseLibrary((struct Library *)GfxBase);
  54     if (IntuitionBase) CloseLibrary((struct Library *)IntuitionBase);
  55
  56     exit(rc);
  57 }
  58
  59 static void OpenLibs(void)
  60 {
  61     if (!(IntuitionBase = (struct IntuitionBase *)OpenLibrary("intuition.library",0)))
  62     {
  63         Cleanup("Can´t open intuition.library!");
  64     }
  65
  66     if (!(GfxBase = (struct GfxBase *)OpenLibrary("graphics.library",0)))
  67     {
  68         Cleanup("Can´t open graphics.library!");
  69     }
  70 }
  71
  72 static void GetArguments(void)
  73 {
  74     if (!(MyArgs = ReadArgs(ARG_TEMPLATE,Args,0)))
  75     {
  76         Fault(IoErr(),0,s,255);
  77         Cleanup(s);
  78     }
  79 }
  80
  81 static void Action(void)
  82 {
  83     struct RastPort *rp;
  84     struct Region *reg;
  85     struct RegionRectangle *rr;
  86     WORD x, y, i, count = 0;
  87
  88     puts("Activate the window whose visible region you want to see.\n");
  89     puts("You have 3 seconds of time!\n\n");
  90
  91     Delay(3*50);
  92
  93     win = IntuitionBase->ActiveWindow;
  94     scr = win->WScreen;
  95
  96     if (!win) Cleanup("No active window!");
  97
  98     if (!(rp = CloneRastPort(&win->WScreen->RastPort)))
  99     {
 100         Cleanup("Can´t clone screen rastport!");
 101     }
 102     SetDrMd(rp,JAM1);
 103
 104     lay = win->WLayer;
 105
 106     reg = lay->VisibleRegion;
 107     rr = reg->RegionRectangle;
 108     while(rr)
 109     {
 110         WORD x1 = reg->bounds.MinX + rr->bounds.MinX;
 111         WORD y1 = reg->bounds.MinY + rr->bounds.MinY;
 112         WORD x2 = reg->bounds.MinX + rr->bounds.MaxX;
 113         WORD y2 = reg->bounds.MinY + rr->bounds.MaxY;
 114
 115         printf("#%04d (%4d,%4d) - (%4d, %4d)  Size: %4d x %4d\n",
 116                 ++count,
 117                 x1,
 118                 y1,
 119                 x2,
 120                 y2,
 121                 x2 - x1 + 1,
 122                 y2 - y1 + 1);
 123
 124         for(i = 0; i < (Args[ARG_FAST] ? 1 : 8);i++)
 125         {
 126             SetAPen(rp,1 + (i & 1));
 127             RectFill(rp,x1,y1,x2,y1);
 128             RectFill(rp,x2,y1,x2,y2);
 129             RectFill(rp,x1,y2,x2,y2);
 130             RectFill(rp,x1,y1,x1,y2);
 131
 132             if (!Args[ARG_FAST]) Delay(10);
 133         }
 134
 135         if (Args[ARG_NUMBERS])
 136         {
 137             sprintf(s,"%d",count);
 138             i = TextLength(rp,s,strlen(s));
 139
 140             x = (x1 + x2 - i) / 2;
 141             y = (y1 + y2 - rp->TxHeight) / 2;
 142
 143             if (x < 0)
 144             {
 145                 x = 0;
 146             } else if (x >= scr->Width - i)
 147             {
 148                 x = scr->Width - i - 1;
 149             }
 150
 151             if (y < 0)
 152             {
 153                 y = 0;
 154             } else if (y >= scr->Height - rp->TxHeight)
 155             {
 156                 y = scr->Height - rp->TxHeight - 1;
 157             }
 158
 159             i = strlen(s);
 160
 161             SetAPen(rp,1);
 162             Move(rp,x + 1, y + 1 + rp->TxBaseline);
 163             Text(rp,s,i);
 164
 165             SetAPen(rp,2);
 166             Move(rp,x, y + rp->TxBaseline);
 167             Text(rp,s,i);
 168         }
 169         rr = rr->Next;
 170     }
 171
 172     FreeRastPort(rp);
 173 }
 174
 175 int main(void)
 176 {
 177     OpenLibs();
 178     GetArguments();
 179     Action();
 180     Cleanup(0);
 181
 182     return 0;
 183 }
 184