misc/libfreetype/src/cache/ftcimage.c
author unc0rr
Wed, 05 Dec 2012 23:51:04 +0400
branchflibqtfrontend
changeset 8230 bd4b8f9488a4
parent 5172 88f2e05288ba
permissions -rw-r--r--
Show who's in game to spectators
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/***************************************************************************/
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/*                                                                         */
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/*  ftcimage.c                                                             */
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/*                                                                         */
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/*    FreeType Image cache (body).                                         */
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/*                                                                         */
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/*  Copyright 2000-2001, 2003, 2004, 2006, 2010 by                         */
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/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
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/*                                                                         */
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/*  This file is part of the FreeType project, and may only be used,       */
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/*  modified, and distributed under the terms of the FreeType project      */
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/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
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/*  this file you indicate that you have read the license and              */
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/*  understand and accept it fully.                                        */
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/*                                                                         */
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/***************************************************************************/
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#include <ft2build.h>
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#include FT_CACHE_H
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#include "ftcimage.h"
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#include FT_INTERNAL_MEMORY_H
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#include "ftccback.h"
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#include "ftcerror.h"
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  /* finalize a given glyph image node */
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  FT_LOCAL_DEF( void )
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  ftc_inode_free( FTC_Node   ftcinode,
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                  FTC_Cache  cache )
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  {
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    FTC_INode  inode = (FTC_INode)ftcinode;
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    FT_Memory  memory = cache->memory;
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    if ( inode->glyph )
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    {
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      FT_Done_Glyph( inode->glyph );
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      inode->glyph = NULL;
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    }
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    FTC_GNode_Done( FTC_GNODE( inode ), cache );
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    FT_FREE( inode );
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  }
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  FT_LOCAL_DEF( void )
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  FTC_INode_Free( FTC_INode  inode,
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                  FTC_Cache  cache )
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  {
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    ftc_inode_free( FTC_NODE( inode ), cache );
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  }
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  /* initialize a new glyph image node */
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  FT_LOCAL_DEF( FT_Error )
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  FTC_INode_New( FTC_INode   *pinode,
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                 FTC_GQuery   gquery,
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                 FTC_Cache    cache )
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  {
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    FT_Memory  memory = cache->memory;
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    FT_Error   error;
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    FTC_INode  inode  = NULL;
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    if ( !FT_NEW( inode ) )
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    {
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      FTC_GNode         gnode  = FTC_GNODE( inode );
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      FTC_Family        family = gquery->family;
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      FT_UInt           gindex = gquery->gindex;
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      FTC_IFamilyClass  clazz  = FTC_CACHE__IFAMILY_CLASS( cache );
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      /* initialize its inner fields */
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      FTC_GNode_Init( gnode, gindex, family );
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      /* we will now load the glyph image */
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      error = clazz->family_load_glyph( family, gindex, cache,
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                                        &inode->glyph );
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      if ( error )
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      {
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        FTC_INode_Free( inode, cache );
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        inode = NULL;
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      }
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    }
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    *pinode = inode;
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    return error;
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  }
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  FT_LOCAL_DEF( FT_Error )
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  ftc_inode_new( FTC_Node   *ftcpinode,
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                 FT_Pointer  ftcgquery,
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                 FTC_Cache   cache )
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  {
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    FTC_INode  *pinode = (FTC_INode*)ftcpinode;
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    FTC_GQuery  gquery = (FTC_GQuery)ftcgquery;
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    return FTC_INode_New( pinode, gquery, cache );
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  }
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  FT_LOCAL_DEF( FT_Offset )
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  ftc_inode_weight( FTC_Node   ftcinode,
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                    FTC_Cache  ftccache )
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  {
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    FTC_INode  inode = (FTC_INode)ftcinode;
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    FT_Offset  size  = 0;
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    FT_Glyph   glyph = inode->glyph;
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    FT_UNUSED( ftccache );
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    switch ( glyph->format )
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    {
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    case FT_GLYPH_FORMAT_BITMAP:
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      {
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        FT_BitmapGlyph  bitg;
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        bitg = (FT_BitmapGlyph)glyph;
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        size = bitg->bitmap.rows * ft_labs( bitg->bitmap.pitch ) +
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               sizeof ( *bitg );
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      }
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      break;
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    case FT_GLYPH_FORMAT_OUTLINE:
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      {
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        FT_OutlineGlyph  outg;
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        outg = (FT_OutlineGlyph)glyph;
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        size = outg->outline.n_points *
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                 ( sizeof ( FT_Vector ) + sizeof ( FT_Byte ) ) +
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               outg->outline.n_contours * sizeof ( FT_Short ) +
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               sizeof ( *outg );
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      }
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      break;
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    default:
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      ;
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    }
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    size += sizeof ( *inode );
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    return size;
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  }
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#if 0
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  FT_LOCAL_DEF( FT_Offset )
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  FTC_INode_Weight( FTC_INode  inode )
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  {
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    return ftc_inode_weight( FTC_NODE( inode ), NULL );
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  }
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#endif /* 0 */
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88f2e05288ba aaand let's add freetype as well while we are at it
koda
parents:
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/* END */