asn1_createLineart.c

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/*******************************************************************************
 * Copyright © 2014 The DTVKit Open Software Foundation Ltd (www.dtvkit.org)
 * Copyright © 2004 Ocean Blue Software Ltd
 * Copyright © 2000 Koninklijke Philips Electronics N.V
 *
 * This file is part of a DTVKit Software Component
 * You are permitted to copy, modify or distribute this file subject to the terms
 * of the DTVKit 1.0 Licence which can be found in licence.txt or at www.dtvkit.org
 *
 * THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
 * EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
 *
 * If you or your organisation is not a member of DTVKit then you have access
 * to this source code outside of the terms of the licence agreement
 * and you are expected to delete this and any associated files immediately.
 * Further information on DTVKit, membership and terms can be found at www.dtvkit.org
 *******************************************************************************/
/*---includes for this file--------------------------------------------------*/
#include <stdio.h>
#include "vpa1_sys.h"
#include "vpa1_tgs.h"
#include "fpa1_syn.h"
#include "asn1_sys.h"

#include "mh5base.h"
#include "mh5lineart.h"
#include "asn1_createExtras.h"
#include "asn1_createVisible.h"
#include "asn1_createLineart.h"
#include "tmcolor.h"


/*---constant definitions for this file--------------------------------------*/


/*---local typedef structs for this file-------------------------------------*/

/*---local (static) variable declarations for this file----------------------*/

/*---local function definitions----------------------------------------------*/

/*---global function definitions---------------------------------------------*/

MHEG5Ingredient* asn1_createLineart(fpa1_syntaxList *listPtr, MHEG5Final clazz, U32BIT size )
{
   MHEG5Lineart *lineart;
   asnErr errVal = 0;
   fpa1_syntaxList *currItem;

   DPL5((">> asn1_decodeLineart(%X)\n", listPtr));

   assert( listPtr );

   lineart = (MHEG5Lineart *)MHEG5getMem( size );
   if (lineart)
   {
      /* defaults */
      memset(lineart, 0, size);
      lineart->visible.ingredient.root.clazz = clazz;
      lineart->borderedBoundingBox = MHEG5TRUE;
      lineart->originalLineWidth = 1;
      lineart->originalLineStyle = 1; /* solid */
      MHEG5colourInit(&lineart->originalRefLineColour, OSDgetColour(BLACKCOLOR));
      MHEG5colourInit(&lineart->originalRefFillColour, OSDgetColour(TRANSPARENTCOLOR));

      /* searches current set of tags for local tags */
      currItem = listPtr->children;
      while (currItem != NULL)
      {
         /* most objects will have more than one local tag */
         switch (currItem->tag)
         {
            case BBBOX:
               lineart->borderedBoundingBox = (currItem->data.boolData == 0) ? MHEG5FALSE : MHEG5TRUE;
               break;
            case OLWIDTH:
               lineart->originalLineWidth = currItem->data.intData;
               break;
            case OLSTYLE:
               lineart->originalLineStyle = currItem->data.intData;
               break;
            case ORLCOLOUR:
               errVal |= asn1_decodeColour(currItem, &lineart->originalRefLineColour);
               break;
            case ORFCOLOUR:
               errVal |= asn1_decodeColour(currItem, &lineart->originalRefFillColour);
               break;
            default:
               break;
         }
         currItem = currItem->next;
      }
      /* decode inherited tags */
      errVal |= asn1_decodeVisible(listPtr, &lineart->visible);
      if (errVal != ASN_NO_ERROR)
      {
         #if (DPLEVEL >= 2)
         DPL2(("WARNING:[ASN.1] asn1_decodeLineart() Fails\n"));
         #endif /* DPLEVEL >= 2 */
         MHEG5freeMem( lineart );
         lineart = NULL;
      }
   }

   DPL5(("<< asn1_decodeLineart() %X\n", lineart));
   return (MHEG5Ingredient *)lineart;
}