misc/libfreetype/src/base/ftsynth.c
changeset 9372 915436ff64ab
parent 9371 f3840de881bd
child 9373 b769a8e38cbd
--- a/misc/libfreetype/src/base/ftsynth.c	Thu Jul 25 23:16:06 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,160 +0,0 @@
-/***************************************************************************/
-/*                                                                         */
-/*  ftsynth.c                                                              */
-/*                                                                         */
-/*    FreeType synthesizing code for emboldening and slanting (body).      */
-/*                                                                         */
-/*  Copyright 2000-2001, 2002, 2003, 2004, 2005, 2006, 2010 by             */
-/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
-/*                                                                         */
-/*  This file is part of the FreeType project, and may only be used,       */
-/*  modified, and distributed under the terms of the FreeType project      */
-/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
-/*  this file you indicate that you have read the license and              */
-/*  understand and accept it fully.                                        */
-/*                                                                         */
-/***************************************************************************/
-
-
-#include <ft2build.h>
-#include FT_SYNTHESIS_H
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_OBJECTS_H
-#include FT_OUTLINE_H
-#include FT_BITMAP_H
-
-
-  /*************************************************************************/
-  /*                                                                       */
-  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
-  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
-  /* messages during execution.                                            */
-  /*                                                                       */
-#undef  FT_COMPONENT
-#define FT_COMPONENT  trace_synth
-
-  /*************************************************************************/
-  /*************************************************************************/
-  /****                                                                 ****/
-  /****   EXPERIMENTAL OBLIQUING SUPPORT                                ****/
-  /****                                                                 ****/
-  /*************************************************************************/
-  /*************************************************************************/
-
-  /* documentation is in ftsynth.h */
-
-  FT_EXPORT_DEF( void )
-  FT_GlyphSlot_Oblique( FT_GlyphSlot  slot )
-  {
-    FT_Matrix    transform;
-    FT_Outline*  outline = &slot->outline;
-
-
-    /* only oblique outline glyphs */
-    if ( slot->format != FT_GLYPH_FORMAT_OUTLINE )
-      return;
-
-    /* we don't touch the advance width */
-
-    /* For italic, simply apply a shear transform, with an angle */
-    /* of about 12 degrees.                                      */
-
-    transform.xx = 0x10000L;
-    transform.yx = 0x00000L;
-
-    transform.xy = 0x06000L;
-    transform.yy = 0x10000L;
-
-    FT_Outline_Transform( outline, &transform );
-  }
-
-
-  /*************************************************************************/
-  /*************************************************************************/
-  /****                                                                 ****/
-  /****   EXPERIMENTAL EMBOLDENING/OUTLINING SUPPORT                    ****/
-  /****                                                                 ****/
-  /*************************************************************************/
-  /*************************************************************************/
-
-
-  /* documentation is in ftsynth.h */
-
-  FT_EXPORT_DEF( void )
-  FT_GlyphSlot_Embolden( FT_GlyphSlot  slot )
-  {
-    FT_Library  library = slot->library;
-    FT_Face     face    = slot->face;
-    FT_Error    error;
-    FT_Pos      xstr, ystr;
-
-
-    if ( slot->format != FT_GLYPH_FORMAT_OUTLINE &&
-         slot->format != FT_GLYPH_FORMAT_BITMAP  )
-      return;
-
-    /* some reasonable strength */
-    xstr = FT_MulFix( face->units_per_EM,
-                      face->size->metrics.y_scale ) / 24;
-    ystr = xstr;
-
-    if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
-    {
-      /* ignore error */
-      (void)FT_Outline_Embolden( &slot->outline, xstr );
-
-      /* this is more than enough for most glyphs; if you need accurate */
-      /* values, you have to call FT_Outline_Get_CBox                   */
-      xstr = xstr * 2;
-      ystr = xstr;
-    }
-    else /* slot->format == FT_GLYPH_FORMAT_BITMAP */
-    {
-      /* round to full pixels */
-      xstr &= ~63;
-      if ( xstr == 0 )
-        xstr = 1 << 6;
-      ystr &= ~63;
-
-      /*
-       * XXX: overflow check for 16-bit system, for compatibility
-       *      with FT_GlyphSlot_Embolden() since freetype-2.1.10.
-       *      unfortunately, this function return no informations
-       *      about the cause of error.
-       */
-      if ( ( ystr >> 6 ) > FT_INT_MAX || ( ystr >> 6 ) < FT_INT_MIN )
-      {
-        FT_TRACE1(( "FT_GlyphSlot_Embolden:" ));
-        FT_TRACE1(( "too strong embolding parameter ystr=%d\n", ystr ));
-        return;
-      }
-      error = FT_GlyphSlot_Own_Bitmap( slot );
-      if ( error )
-        return;
-
-      error = FT_Bitmap_Embolden( library, &slot->bitmap, xstr, ystr );
-      if ( error )
-        return;
-    }
-
-    if ( slot->advance.x )
-      slot->advance.x += xstr;
-
-    if ( slot->advance.y )
-      slot->advance.y += ystr;
-
-    slot->metrics.width        += xstr;
-    slot->metrics.height       += ystr;
-    slot->metrics.horiBearingY += ystr;
-    slot->metrics.horiAdvance  += xstr;
-    slot->metrics.vertBearingX -= xstr / 2;
-    slot->metrics.vertBearingY += ystr;
-    slot->metrics.vertAdvance  += ystr;
-
-    /* XXX: 16-bit overflow case must be excluded before here */
-    if ( slot->format == FT_GLYPH_FORMAT_BITMAP )
-      slot->bitmap_top += (FT_Int)( ystr >> 6 );
-  }
-
-
-/* END */