testsuite/misc-ming.all/empty_clip_action_test.c

   1 /*
   2  *   Copyright (C) 2005-2013 Free Software Foundation, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  16  *
  17  */
  18
  19
  20 #include <stdlib.h>
  21 #include <stdio.h>
  22 #include <ming.h>
  23 #include <assert.h>
  24
  25 #include "ming_utils.h"
  26
  27 #define OUTPUT_VERSION  6
  28 #define OUTPUT_FILENAME  "empty_clip_action_test.swf"
  29
  30 // So this is about as hacky as you get.  The idea is that we change the
  31 // CHANGEOBJECT2 tag so that the first action (containing just a single
  32 // null-byte) is truncated to nothing: event_length is updated to zero, the
  33 // following two bytes are skipped and then of course the tag length itself has
  34 // to be reduced by one.
  35
  36 // So far as I'm aware you can't do this programmatically in Ming, but of
  37 // course if the output stream ever changes this will be completely broken.
  38 void spesiulOutputMethod(byte b, void *data);
  39 void spesiulOutputMethod(byte b, void *data)
  40 {
  41     static long count = 0;
  42     byte c = b;
  43     FILE *f = (FILE *)data;
  44
  45     if (count == 0x293b) {
  46         assert( b == 122);
  47         c = 120;
  48     }
  49     if (count == 0x2953) {
  50         assert( b == 2);
  51         c = 0;
  52     }
  53     if (count == 0x2954 || count == 0x2955) {
  54          assert( b == 0);
  55          ++count;
  56          return;
  57     }
  58
  59     fputc(c, f);
  60     ++count;
  61 }
  62
  63
  64
  65 int
  66 main(int argc, char** argv)
  67 {
  68   SWFMovie mo;
  69   SWFMovieClip  mc2, dejagnuclip;
  70   SWFDisplayItem it2;
  71   FILE* fh;
  72
  73   const char *srcdir=".";
  74   if ( argc>1 )
  75     srcdir=argv[1];
  76   else
  77   {
  78       fprintf(stderr, "Usage: %s <mediadir>\n", argv[0]);
  79       return 1;
  80   }
  81
  82   Ming_init();
  83   mo = newSWFMovieWithVersion(OUTPUT_VERSION);
  84   SWFMovie_setDimension(mo, 800, 600);
  85   SWFMovie_setRate (mo, 12.0);
  86
  87   dejagnuclip = get_dejagnu_clip((SWFBlock)get_default_font(srcdir), 10, 0, 0, 800, 600);
  88   SWFMovie_add(mo, (SWFBlock)dejagnuclip);
  89   add_actions(mo, "x2=0;");
  90   SWFMovie_nextFrame(mo);  /* 1st frame */
  91
  92
  93   mc2 = newSWFMovieClip();
  94
  95   it2 = SWFMovie_add(mo, (SWFBlock)mc2);
  96   SWFDisplayItem_setDepth(it2, 20);
  97   SWFDisplayItem_setName(it2, "mc2");
  98   SWFDisplayItem_addAction(it2,
  99     compileSWFActionCode(""),
 100     SWFACTION_KEYPRESS);
 101   SWFDisplayItem_addAction(it2,
 102     compileSWFActionCode(" _root.note('onClipEnterFrame triggered'); "
 103                          " _root.x2 = 14; "),
 104     SWFACTION_ENTERFRAME);
 105
 106   SWFMovie_nextFrame(mo); /* 2nd frame */
 107
 108   check_equals(mo, "_root.x2", "14");
 109   SWFMovie_nextFrame(mo); /* 3rd frame */
 110
 111   SWFDisplayItem_remove(it2);
 112
 113   SWFMovie_nextFrame(mo); /* 4th frame */
 114
 115   add_actions(mo, " _root.totals(); stop(); ");
 116   SWFMovie_nextFrame(mo); /* 5th frame */
 117
 118   // Output movie
 119   puts("Saving " OUTPUT_FILENAME );
 120
 121   // ..but wait! Now entering crazy-land.
 122   fh = fopen(OUTPUT_FILENAME, "w");
 123   SWFMovie_output(mo, spesiulOutputMethod, fh);
 124   fclose(fh);
 125   return 0;
 126 }
 127