root/swfs/simple_viewer.c

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DEFINITIONS

This source file includes following definitions.
  1. main

/* simple_viewer.c

   Creates the swf file simple_viewer.swf. 
   I'm not much of an designer. Suggestions and improvements concerning
   this file or simple_viewer.swf are highly welcome. -mk
   
   Part of the swftools package.

   Copyright (c) 2000, 2001 Matthias Kramm <kramm@quiss.org>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include <stdio.h>
#include <fcntl.h>
#include <math.h>
#include "rfxswf.h"

TAG* tag;

int button_sizex = 20; //button size in pixels
int button_sizey = 20; 

RGBA button_colors[6]=
{{0,0x00,0x00,0x80}, //Idle      left
 {0,0x00,0x00,0x80}, //   "      right
 {0,0x20,0x20,0xc0}, //MouseOver left
 {0,0x20,0x20,0xc0}, //   "      right
 {0,0x10,0x10,0xff}, //Down      left
 {0,0x10,0x10,0xff}};//   "      right

int useDefineButton2 = 0; // set this to 1 to use DefineButton2 Tags
                          // instead of DefineButton1
#define SUBTITLES 1
//#define USE_WATERMARK 1   // set this flag to print-protect your swfs

#define ID_WATERMARK 64

int main (int argc,char ** argv)
{ SWF swf;
  RGBA rgb;
  SRECT r;
  SHAPE* s;
  MATRIX m;
  ActionTAG*a1,*a2,*a3;
  S32 width=1024,height = 768;
  
  int f,i,ls1,fs1;
  int count;
  int t;

  memset(&swf,0x00,sizeof(SWF));        // set global movie parameters

  swf.fileVersion    = 4;               // make flash 4 compatible swf
  swf.frameRate      = 0x1900;          // about 0x19 frames per second
  
  swf.movieSize.xmax = 20*width;        // flash units: 1 pixel = 20 units
  swf.movieSize.ymax = 20*height;

  swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
  tag = swf.firstTag;
  rgb.r = 0xff;
  rgb.g = 0xff;
  rgb.b = 0xff;
  swf_SetRGB(tag,&rgb);
 
  // initialize matrix
  m.sx = 65536; //scale
  m.sy = 65536;
  m.r0 = 0; //rotate
  m.r1 = 0;
  m.tx = 0; //move
  m.ty = 0;

  /* the "viewport" object will be replaced by swfcombine
     with the object to browse. It is placed at the
     upper left corner (0,0), by setting m.tx and m.ty
     to 0. Therefore, the buttons are "in" the viewport,
     not above it*/
  tag = swf_InsertTag(tag,ST_DEFINESPRITE);
  swf_SetU16(tag, 23); //id
  swf_SetU16(tag, 0); //frames
  tag = swf_InsertTag(tag,ST_END);
  tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
  m.tx = 0; //move
  m.ty = 0;
  swf_ObjectPlace(tag, 23, 1,&m,0,"viewport");
    
#ifdef USE_WATERMARK

  // Insert Alpha watermark to avoid printing

  tag = swf_InsertTag(tag,ST_DEFINESHAPE3);
  swf_ShapeNew(&s);
  rgb.r = rgb.g = rgb.b = 0xff;
  rgb.a = 0x08;
  fs1 = swf_ShapeAddSolidFillStyle(s,&rgb);
  swf_SetU16(tag,ID_WATERMARK);
  r.xmin = r.ymin = 0;
  r.xmax = 20*width;
  r.ymax = 20*height;
  swf_SetRect(tag,&r); // cover whole viewport
  swf_SetShapeHeader(tag,s);
  swf_ShapeSetAll(tag,s,0,0,0,fs1,0);
  swf_ShapeSetLine(tag,s,20*width,0);
  swf_ShapeSetLine(tag,s,0,20*height);
  swf_ShapeSetLine(tag,s,-20*width,0);
  swf_ShapeSetLine(tag,s,0,-20*height);
  swf_ShapeSetEnd(tag);
  swf_ShapeFree(s);  

#endif // USE_WATERMARK

  for(count=0;count<6;count++)
  {
      tag = swf_InsertTag(tag,ST_DEFINESHAPE);
      swf_ShapeNew(&s);               // create new shape instance
      rgb.r = rgb.b = rgb.g = 0x00;           
      ls1 = swf_ShapeAddLineStyle(s,40,&rgb);
      rgb = button_colors[count];
      fs1 = swf_ShapeAddSolidFillStyle(s,&rgb);
      swf_SetU16(tag,32+count);                // now set character ID
      r.xmin = 0;
      r.ymin = 0;
      r.xmax = 20*width;
      r.ymax = 20*height;
      swf_SetRect(tag,&r);              // set shape bounds
      swf_SetShapeHeader(tag,s);        // write all styles to tag
      if(count&1)
      {
          swf_ShapeSetAll(tag,s,0,0,ls1,fs1,0); // move to (0,0), select linestyle ls1 and no fillstyle
          /* SetLine coordinates are relative.
             It's important that the start and end points match, otherwise
             the Macromedia Flash player will crash. */
          swf_ShapeSetLine(tag,s,20*button_sizex,20*button_sizey);
          swf_ShapeSetLine(tag,s,-20*button_sizex,20*button_sizey);
          swf_ShapeSetLine(tag,s,0,-40*button_sizey);
      } else {
          swf_ShapeSetAll(tag,s,20*button_sizex,0,ls1,fs1,0);
          swf_ShapeSetLine(tag,s,-20*button_sizex,20*button_sizey);
          swf_ShapeSetLine(tag,s,20*button_sizex,20*button_sizey);
          swf_ShapeSetLine(tag,s,0,-40*button_sizey);
      }
      swf_ShapeSetEnd(tag);   // finish drawing
      swf_ShapeFree(s);   // clean shape structure (which isn't needed anymore after writing the tag)
  }

    a1 = action_SetTarget(0, "viewport");
    a1 = action_PreviousFrame(a1);
    a1 = action_SetTarget(a1, "");
    a1 = action_End(a1);

    a2 = action_SetTarget(0, "viewport");
    a2 = action_NextFrame(a2);
    a2 = action_SetTarget(a2,"");
    a2 = action_End(a2);

    a3 = action_SetTarget(0,"viewport");
    a3 = action_Stop(a3);
    a3 = action_SetTarget(a3,"");
#ifdef SUBTITLES
    a3 = action_PushString(a3,"/:subtitle");
    a3 = action_PushString(a3,""); //reset variable
    a3 = action_SetVariable(a3);
#endif
    a3 = action_End(a3);

  for(t=0;t<2;t++)
  {
      if(!useDefineButton2)
      {
          tag = swf_InsertTag(tag,ST_DEFINEBUTTON);
          swf_SetU16(tag,30+t); //id
          swf_ButtonSetRecord(tag,BS_UP|BS_HIT,32+t,1,NULL,NULL);
          swf_ButtonSetRecord(tag,BS_OVER,34+t,1,NULL,NULL);
          swf_ButtonSetRecord(tag,BS_DOWN,36+t,1,NULL,NULL);
          swf_SetU8(tag,0); // end of button records
         
          if(t)
            swf_ActionSet(tag,a2);
          else
            swf_ActionSet(tag,a1);
      }
      else
      {
          tag = swf_InsertTag(tag,ST_DEFINEBUTTON2);
          swf_SetU16(tag,30+t); //id
          swf_ButtonSetFlags(tag, 0); //menu=no
          swf_ButtonSetRecord(tag,BS_UP|BS_HIT,32+t,1,NULL,NULL);
          swf_ButtonSetRecord(tag,BS_OVER,34+t,1,NULL,NULL);
          swf_ButtonSetRecord(tag,BS_DOWN,36+t,1,NULL,NULL);
          swf_SetU8(tag,0); // end of button records

          swf_ButtonSetCondition(tag, BC_OVERDOWN_OVERUP);
          if(t)
            swf_ActionSet(tag,a2);
          else
            swf_ActionSet(tag,a1);
           
          swf_ButtonPostProcess(tag, 1); // don't forget!
      }
  }

  tag = swf_InsertTag(tag,ST_DOACTION);
  swf_ActionSet(tag,a3);

  m.tx = 0; //move
  m.ty = 0;
  tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
  swf_ObjectPlace(tag, 30, 3,&m,0,0);
  m.tx = button_sizex*30;
  tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
  swf_ObjectPlace(tag, 31, 4,&m,0,0);

#ifdef USE_WATERMARK

  // place watermark

  tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
  swf_ObjectPlace(tag, ID_WATERMARK, 2, &m, 0,0);

#endif // USE_WATERMARK
  
  swf_ActionFree(a1);
  swf_ActionFree(a2);
  swf_ActionFree(a3);

#ifdef SUBTITLES
  tag = swf_InsertTag(tag,ST_DEFINEFONT2); {
      U8 data[] = {0x90, 0x00, 0x0f, 0x54, 0x69, 0x6d, 0x65, 0x73, 
                   0x20, 0x4e, 0x65, 0x77, 0x20, 0x52, 0x6f, 0x6d, 
                   0x61, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
                   0x00, 0x00, 0x00, 0x00};
      swf_SetU16(tag, 0x76); //id
      swf_SetBlock(tag, data, sizeof(data));
  }
  tag = swf_InsertTag(tag,ST_DEFINEEDITTEXT); {
      EditTextLayout layout;
      layout.align = 0;
      layout.leftmargin = 0;
      layout.rightmargin = 0;
      layout.indent = 0;
      layout.leading = 0;

      swf_SetU16(tag, 0x77);//id
      r.xmin = button_sizex*60;
      r.xmax = r.xmin+ 826*20;
      r.ymin = 0;
      r.ymax = button_sizey*80;
      rgb.r = rgb.g = rgb.b = 0;
      rgb.a = 255;
      swf_SetEditText(tag, ET_MULTILINE|ET_READONLY, r, 0, &rgb, 0, 0x76, button_sizey*40, &layout, "/:subtitle");
      m.tx = m.ty = 0;
  }
  tag = swf_InsertTag(tag,ST_PLACEOBJECT2);
  swf_ObjectPlace(tag, 0x77, 5,&m,0,0);
#endif

  tag = swf_InsertTag(tag,ST_SHOWFRAME);
  tag = swf_InsertTag(tag,ST_END);
  

  f = open("simple_viewer.swf",O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
  if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");
  close(f);

  swf_FreeTags(&swf);                       // cleanup
  return 0;
}



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