pcfutil.c

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Hash : 44bb3035
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Date : 2004-04-25T20:15:11

* src/pcf/pcfdrivr.c: Revert change from 2004-04-17. * src/pcf/pcfutil.c: Use FT_LOCAL_DEF. * src/pcf/pcfutil.h: Include FT_CONFIG_CONFIG_H. Use FT_BEGIN_HEADER and FT_END_HEADER. Use FT_LOCAL. 2004-04-24 George Williams <gww@silcom.com> Add support for Apple's distortable font technology (in GX fonts). * devel/ftoption.h, include/freetype/config/ftoption.h (TT_CONFIG_OPTION_GX_VAR_SUPPORT): New macro. * include/freetype/ftmm.h (FT_Var_Axis, FT_Var_Named_Style, FT_MM_Var): New structures. (FT_Get_MM_Var, FT_Set_Var_Design_Coordinates, FT_Set_Var_Blend_Coordinates): New function declarations. * include/freetype/internal/services/svmm.h (FT_Get_MM_Var_Func, FT_Set_Var_Design_Func): New typedefs. Update MultiMasters service. * include/freetype/internal/tttypes.h [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include FT_MULTIPLE_MASTERS_H. (GX_Blend) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New typedef. (TT_Face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New members `doblend' and `blend'. * include/freetype/tttags.h (TTAG_avar, TTAG_cvar, TTAG_gvar): New macros. * include/freetype/internal/fttrace.h: Add `ttgxvar'. * src/base/ftmm.c (FT_Get_MM_Var, FT_Set_Var_Design_Coordinates, FT_Set_Var_Blend_Coordinates): New functions. * src/sfnt/sfobjs.c (sfnt_load_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Set FT_FACE_FLAG_MULTIPLE_MASTERS flag for GX var fonts. * src/truetype/ttgxvar.c, src/truetype/ttgxvar.h: New files. * src/truetype/truetype.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.c. * src/truetype/ttdriver.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include FT_MULTIPLE_MASTERS_H, FT_SERVICE_MULTIPLE_MASTERS_H, and ttgxvar.h. (tt_service_gx_multi_masters) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New service. (tt_services) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated. * src/truetype/ttgload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.h. (TT_Process_Simple_Glyph, load_truetype_glyph) [TT_CONFIG_OPTION_GX_VAR_SUPPORT] :Support GX var fonts. * src/truetype/ttobjs.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.h. (tt_done_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call tt_done_blend. * src/truetype/ttpload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.h. (tt_face_load_cvt) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call tt_face_vary_cvt. * src/truetype/rules.mk (TT_DRV_SRC): Add ttgxvar.c. * src/type1/t1driver.c (t1_service_multi_masters): Add T1_Get_MM_Var and T1_Set_Var_Design. * src/type1/t1load.c (FT_INT_TO_FIXED, FT_FIXED_TO_INT): New macros. (T1_Get_MM_Var, T1_Set_Var_Design): New functions. * src/type1/t1load.h (T1_Get_MM_Var, T1_Set_Var_Design): New function declarations.

src/pcf/pcfutil.c

/*

Copyright 1990, 1994, 1998  The Open Group

All Rights Reserved.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.

*/
/* $XFree86: xc/lib/font/util/utilbitmap.c,v 1.3 1999/08/22 08:58:58 dawes Exp $ */

/*
 * Author:  Keith Packard, MIT X Consortium
 */

/* Modified for use with FreeType */


#include <ft2build.h>
#include "pcfutil.h"


  /* Utility functions for reformatting font bitmaps */

  static const unsigned char  _reverse_byte[0x100] =
  {
    0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
    0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
    0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
    0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
    0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
    0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
    0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
    0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
    0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
    0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
    0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
    0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
    0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
    0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
    0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
    0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
    0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
    0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
    0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
    0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
    0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
    0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
    0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
    0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
    0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
    0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
    0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
    0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
    0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
    0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
    0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
    0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
  };

  /*
   *  Invert bit order within each BYTE of an array.
   */

  FT_LOCAL_DEF( void )
  BitOrderInvert( unsigned char*  buf,
                  int             nbytes )
  {
    const unsigned char*  rev = _reverse_byte;


    for ( ; --nbytes >= 0; buf++ )
      *buf = rev[*buf];
  }


  /*
   *  Invert byte order within each 16-bits of an array.
   */

  FT_LOCAL_DEF( void )
  TwoByteSwap( unsigned char*  buf,
               int             nbytes )
  {
    unsigned char  c;


    for ( ; nbytes > 0; nbytes -= 2, buf += 2 )
    {
      c      = buf[0];
      buf[0] = buf[1];
      buf[1] = c;
    }
  }

  /*
   *  Invert byte order within each 32-bits of an array.
   */

  FT_LOCAL_DEF( void )
  FourByteSwap( unsigned char*  buf,
                int             nbytes )
  {
    unsigned char  c;


    for ( ; nbytes > 0; nbytes -= 4, buf += 4 )
    {
      c      = buf[0];
      buf[0] = buf[3];
      buf[3] = c;

      c      = buf[1];
      buf[1] = buf[2];
      buf[2] = c;
    }
  }


/* END */

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