Removed libfreetype fork, replacing it with a submodule and some Inferno-specific files.

Retained the license documents and updated the header files.

1 files changed, 0 insertions, 658 deletions

diff --git a/libfreetype/ftoutln.c b/libfreetype/ftoutln.c
deleted file mode 100644
index c59043bc..00000000
--- a/libfreetype/ftoutln.c
+++ /dev/null
@@ -1,658 +0,0 @@
-/***************************************************************************/
-/*                                                                         */
-/*  ftoutln.c                                                              */
-/*                                                                         */
-/*    FreeType outline management (body).                                  */
-/*                                                                         */
-/*  Copyright 1996-2001, 2002 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.                                        */
-/*                                                                         */
-/***************************************************************************/
-
-
-  /*************************************************************************/
-  /*                                                                       */
-  /* All functions are declared in freetype.h.                             */
-  /*                                                                       */
-  /*************************************************************************/
-
-
-#include <ft2build.h>
-#include FT_OUTLINE_H
-#include FT_INTERNAL_OBJECTS_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_outline
-
-
-  static
-  const FT_Outline  null_outline = { 0, 0, 0, 0, 0, 0 };
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_Decompose( FT_Outline*              outline,
-                        const FT_Outline_Funcs*  func_interface,
-                        void*                    user )
-  {
-#undef SCALED
-#define SCALED( x )  ( ( (x) << shift ) - delta )
-
-    FT_Vector   v_last;
-    FT_Vector   v_control;
-    FT_Vector   v_start;
-
-    FT_Vector*  point;
-    FT_Vector*  limit;
-    char*       tags;
-
-    FT_Error    error;
-
-    FT_Int   n;         /* index of contour in outline     */
-    FT_UInt  first;     /* index of first point in contour */
-    FT_Int   tag;       /* current point's state           */
-
-    FT_Int   shift;
-    FT_Pos   delta;
-
-
-    if ( !outline || !func_interface )
-      return FT_Err_Invalid_Argument;
-
-    shift = func_interface->shift;
-    delta = func_interface->delta;
-    first = 0;
-
-    for ( n = 0; n < outline->n_contours; n++ )
-    {
-      FT_Int  last;  /* index of last point in contour */
-
-
-      last  = outline->contours[n];
-      limit = outline->points + last;
-
-      v_start = outline->points[first];
-      v_last  = outline->points[last];
-
-      v_start.x = SCALED( v_start.x ); v_start.y = SCALED( v_start.y );
-      v_last.x  = SCALED( v_last.x );  v_last.y  = SCALED( v_last.y );
-
-      v_control = v_start;
-
-      point = outline->points + first;
-      tags  = outline->tags  + first;
-      tag   = FT_CURVE_TAG( tags[0] );
-
-      /* A contour cannot start with a cubic control point! */
-      if ( tag == FT_CURVE_TAG_CUBIC )
-        goto Invalid_Outline;
-
-      /* check first point to determine origin */
-      if ( tag == FT_CURVE_TAG_CONIC )
-      {
-        /* first point is conic control.  Yes, this happens. */
-        if ( FT_CURVE_TAG( outline->tags[last] ) == FT_CURVE_TAG_ON )
-        {
-          /* start at last point if it is on the curve */
-          v_start = v_last;
-          limit--;
-        }
-        else
-        {
-          /* if both first and last points are conic,         */
-          /* start at their middle and record its position    */
-          /* for closure                                      */
-          v_start.x = ( v_start.x + v_last.x ) / 2;
-          v_start.y = ( v_start.y + v_last.y ) / 2;
-
-          v_last = v_start;
-        }
-        point--;
-        tags--;
-      }
-
-      error = func_interface->move_to( &v_start, user );
-      if ( error )
-        goto Exit;
-
-      while ( point < limit )
-      {
-        point++;
-        tags++;
-
-        tag = FT_CURVE_TAG( tags[0] );
-        switch ( tag )
-        {
-        case FT_CURVE_TAG_ON:  /* emit a single line_to */
-          {
-            FT_Vector  vec;
-
-
-            vec.x = SCALED( point->x );
-            vec.y = SCALED( point->y );
-
-            error = func_interface->line_to( &vec, user );
-            if ( error )
-              goto Exit;
-            continue;
-          }
-
-        case FT_CURVE_TAG_CONIC:  /* consume conic arcs */
-          v_control.x = SCALED( point->x );
-          v_control.y = SCALED( point->y );
-
-        Do_Conic:
-          if ( point < limit )
-          {
-            FT_Vector  vec;
-            FT_Vector  v_middle;
-
-
-            point++;
-            tags++;
-            tag = FT_CURVE_TAG( tags[0] );
-
-            vec.x = SCALED( point->x );
-            vec.y = SCALED( point->y );
-
-            if ( tag == FT_CURVE_TAG_ON )
-            {
-              error = func_interface->conic_to( &v_control, &vec, user );
-              if ( error )
-                goto Exit;
-              continue;
-            }
-
-            if ( tag != FT_CURVE_TAG_CONIC )
-              goto Invalid_Outline;
-
-            v_middle.x = ( v_control.x + vec.x ) / 2;
-            v_middle.y = ( v_control.y + vec.y ) / 2;
-
-            error = func_interface->conic_to( &v_control, &v_middle, user );
-            if ( error )
-              goto Exit;
-
-            v_control = vec;
-            goto Do_Conic;
-          }
-
-          error = func_interface->conic_to( &v_control, &v_start, user );
-          goto Close;
-
-        default:  /* FT_CURVE_TAG_CUBIC */
-          {
-            FT_Vector  vec1, vec2;
-
-
-            if ( point + 1 > limit                             ||
-                 FT_CURVE_TAG( tags[1] ) != FT_CURVE_TAG_CUBIC )
-              goto Invalid_Outline;
-
-            point += 2;
-            tags  += 2;
-
-            vec1.x = SCALED( point[-2].x ); vec1.y = SCALED( point[-2].y );
-            vec2.x = SCALED( point[-1].x ); vec2.y = SCALED( point[-1].y );
-
-            if ( point <= limit )
-            {
-              FT_Vector  vec;
-
-
-              vec.x = SCALED( point->x );
-              vec.y = SCALED( point->y );
-
-              error = func_interface->cubic_to( &vec1, &vec2, &vec, user );
-              if ( error )
-                goto Exit;
-              continue;
-            }
-
-            error = func_interface->cubic_to( &vec1, &vec2, &v_start, user );
-            goto Close;
-          }
-        }
-      }
-
-      /* close the contour with a line segment */
-      error = func_interface->line_to( &v_start, user );
-
-    Close:
-      if ( error )
-        goto Exit;
-
-      first = last + 1;
-    }
-
-    return 0;
-
-  Exit:
-    return error;
-
-  Invalid_Outline:
-    return FT_Err_Invalid_Outline;
-  }
-
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_New_Internal( FT_Memory    memory,
-                           FT_UInt      numPoints,
-                           FT_Int       numContours,
-                           FT_Outline  *anoutline )
-  {
-    FT_Error  error;
-
-
-    if ( !anoutline || !memory )
-      return FT_Err_Invalid_Argument;
-
-    *anoutline = null_outline;
-
-    if ( FT_NEW_ARRAY( anoutline->points,   numPoints * 2L ) ||
-         FT_NEW_ARRAY( anoutline->tags,     numPoints      ) ||
-         FT_NEW_ARRAY( anoutline->contours, numContours    ) )
-      goto Fail;
-
-    anoutline->n_points    = (FT_UShort)numPoints;
-    anoutline->n_contours  = (FT_Short)numContours;
-    anoutline->flags      |= FT_OUTLINE_OWNER;
-
-    return FT_Err_Ok;
-
-  Fail:
-    anoutline->flags |= FT_OUTLINE_OWNER;
-    FT_Outline_Done_Internal( memory, anoutline );
-
-    return error;
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_New( FT_Library   library,
-                  FT_UInt      numPoints,
-                  FT_Int       numContours,
-                  FT_Outline  *anoutline )
-  {
-    if ( !library )
-      return FT_Err_Invalid_Library_Handle;
-
-    return FT_Outline_New_Internal( library->memory, numPoints,
-                                    numContours, anoutline );
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_Check( FT_Outline*  outline )
-  {
-    if ( outline )
-    {
-      FT_Int  n_points   = outline->n_points;
-      FT_Int  n_contours = outline->n_contours;
-      FT_Int  end0, end;
-      FT_Int  n;
-
-
-      /* empty glyph? */
-      if ( n_points == 0 && n_contours == 0 )
-        return 0;
-
-      /* check point and contour counts */
-      if ( n_points <= 0 || n_contours <= 0 )
-        goto Bad;
-
-      end0 = end = -1;
-      for ( n = 0; n < n_contours; n++ )
-      {
-        end = outline->contours[n];
-
-        /* note that we don't accept empty contours */
-        if ( end <= end0 || end >= n_points )
-          goto Bad;
-
-        end0 = end;
-      }
-
-      if ( end != n_points - 1 )
-        goto Bad;
-
-      /* XXX: check the tags array */
-      return 0;
-    }
-
-  Bad:
-    return FT_Err_Invalid_Argument;
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_Copy( FT_Outline*  source,
-                   FT_Outline  *target )
-  {
-    FT_Int  is_owner;
-
-
-    if ( !source            || !target            ||
-         source->n_points   != target->n_points   ||
-         source->n_contours != target->n_contours )
-      return FT_Err_Invalid_Argument;
-
-    FT_MEM_COPY( target->points, source->points,
-                 source->n_points * sizeof ( FT_Vector ) );
-
-    FT_MEM_COPY( target->tags, source->tags,
-                 source->n_points * sizeof ( FT_Byte ) );
-
-    FT_MEM_COPY( target->contours, source->contours,
-                 source->n_contours * sizeof ( FT_Short ) );
-
-    /* copy all flags, except the `FT_OUTLINE_OWNER' one */
-    is_owner      = target->flags & FT_OUTLINE_OWNER;
-    target->flags = source->flags;
-
-    target->flags &= ~FT_OUTLINE_OWNER;
-    target->flags |= is_owner;
-
-    return FT_Err_Ok;
-  }
-
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_Done_Internal( FT_Memory    memory,
-                            FT_Outline*  outline )
-  {
-    if ( outline )
-    {
-      if ( outline->flags & FT_OUTLINE_OWNER )
-      {
-        FT_FREE( outline->points   );
-        FT_FREE( outline->tags     );
-        FT_FREE( outline->contours );
-      }
-      *outline = null_outline;
-
-      return FT_Err_Ok;
-    }
-    else
-      return FT_Err_Invalid_Argument;
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_Done( FT_Library   library,
-                   FT_Outline*  outline )
-  {
-    /* check for valid `outline' in FT_Outline_Done_Internal() */
-
-    if ( !library )
-      return FT_Err_Invalid_Library_Handle;
-
-    return FT_Outline_Done_Internal( library->memory, outline );
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( void )
-  FT_Outline_Get_CBox( FT_Outline*  outline,
-                       FT_BBox     *acbox )
-  {
-    FT_Pos  xMin, yMin, xMax, yMax;
-
-
-    if ( outline && acbox )
-    {
-      if ( outline->n_points == 0 )
-      {
-        xMin = 0;
-        yMin = 0;
-        xMax = 0;
-        yMax = 0;
-      }
-      else
-      {
-        FT_Vector*  vec   = outline->points;
-        FT_Vector*  limit = vec + outline->n_points;
-
-
-        xMin = xMax = vec->x;
-        yMin = yMax = vec->y;
-        vec++;
-
-        for ( ; vec < limit; vec++ )
-        {
-          FT_Pos  x, y;
-
-
-          x = vec->x;
-          if ( x < xMin ) xMin = x;
-          if ( x > xMax ) xMax = x;
-
-          y = vec->y;
-          if ( y < yMin ) yMin = y;
-          if ( y > yMax ) yMax = y;
-        }
-      }
-      acbox->xMin = xMin;
-      acbox->xMax = xMax;
-      acbox->yMin = yMin;
-      acbox->yMax = yMax;
-    }
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( void )
-  FT_Outline_Translate( FT_Outline*  outline,
-                        FT_Pos       xOffset,
-                        FT_Pos       yOffset )
-  {
-    FT_UShort   n;
-    FT_Vector*  vec = outline->points;
-
-
-    for ( n = 0; n < outline->n_points; n++ )
-    {
-      vec->x += xOffset;
-      vec->y += yOffset;
-      vec++;
-    }
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( void )
-  FT_Outline_Reverse( FT_Outline*  outline )
-  {
-    FT_UShort  n;
-    FT_Int     first, last;
-
-
-    first = 0;
-
-    for ( n = 0; n < outline->n_contours; n++ )
-    {
-      last  = outline->contours[n];
-
-      /* reverse point table */
-      {
-        FT_Vector*  p = outline->points + first;
-        FT_Vector*  q = outline->points + last;
-        FT_Vector   swap;
-
-
-        while ( p < q )
-        {
-          swap = *p;
-          *p   = *q;
-          *q   = swap;
-          p++;
-          q--;
-        }
-      }
-
-      /* reverse tags table */
-      {
-        char*  p = outline->tags + first;
-        char*  q = outline->tags + last;
-        char   swap;
-
-
-        while ( p < q )
-        {
-          swap = *p;
-          *p   = *q;
-          *q   = swap;
-          p++;
-          q--;
-        }
-      }
-
-      first = last + 1;
-    }
-
-    outline->flags ^= FT_OUTLINE_REVERSE_FILL;
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_Render( FT_Library         library,
-                     FT_Outline*        outline,
-                     FT_Raster_Params*  params )
-  {
-    FT_Error     error;
-    FT_Bool      update = 0;
-    FT_Renderer  renderer;
-    FT_ListNode  node;
-
-
-    if ( !library )
-      return FT_Err_Invalid_Library_Handle;
-
-    if ( !params )
-      return FT_Err_Invalid_Argument;
-
-    renderer = library->cur_renderer;
-    node     = library->renderers.head;
-
-    params->source = (void*)outline;
-
-    error = FT_Err_Cannot_Render_Glyph;
-    while ( renderer )
-    {
-      error = renderer->raster_render( renderer->raster, params );
-      if ( !error || FT_ERROR_BASE( error ) != FT_Err_Cannot_Render_Glyph )
-        break;
-
-      /* FT_Err_Cannot_Render_Glyph is returned if the render mode   */
-      /* is unsupported by the current renderer for this glyph image */
-      /* format                                                      */
-
-      /* now, look for another renderer that supports the same */
-      /* format                                                */
-      renderer = FT_Lookup_Renderer( library, FT_GLYPH_FORMAT_OUTLINE,
-                                     &node );
-      update   = 1;
-    }
-
-    /* if we changed the current renderer for the glyph image format */
-    /* we need to select it as the next current one                  */
-    if ( !error && update && renderer )
-      FT_Set_Renderer( library, renderer, 0, 0 );
-
-    return error;
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( FT_Error )
-  FT_Outline_Get_Bitmap( FT_Library   library,
-                         FT_Outline*  outline,
-                         FT_Bitmap   *abitmap )
-  {
-    FT_Raster_Params  params;
-
-
-    if ( !abitmap )
-      return FT_Err_Invalid_Argument;
-
-    /* other checks are delayed to FT_Outline_Render() */
-
-    params.target = abitmap;
-    params.flags  = 0;
-
-    if ( abitmap->pixel_mode == FT_PIXEL_MODE_GRAY  ||
-         abitmap->pixel_mode == FT_PIXEL_MODE_LCD   ||
-         abitmap->pixel_mode == FT_PIXEL_MODE_LCD_V )
-      params.flags |= FT_RASTER_FLAG_AA;
-
-    return FT_Outline_Render( library, outline, &params );
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( void )
-  FT_Vector_Transform( FT_Vector*  vector,
-                       FT_Matrix*  matrix )
-  {
-    FT_Pos xz, yz;
-
-
-    if ( !vector || !matrix )
-      return;
-
-    xz = FT_MulFix( vector->x, matrix->xx ) +
-         FT_MulFix( vector->y, matrix->xy );
-
-    yz = FT_MulFix( vector->x, matrix->yx ) +
-         FT_MulFix( vector->y, matrix->yy );
-
-    vector->x = xz;
-    vector->y = yz;
-  }
-
-
-  /* documentation is in ftoutln.h */
-
-  FT_EXPORT_DEF( void )
-  FT_Outline_Transform( FT_Outline*  outline,
-                        FT_Matrix*   matrix )
-  {
-    FT_Vector*  vec = outline->points;
-    FT_Vector*  limit = vec + outline->n_points;
-
-
-    for ( ; vec < limit; vec++ )
-      FT_Vector_Transform( vec, matrix );
-  }
-
-
-/* END */