XFA: merge patch from CL 815103002

Update freetype to 2.5.4.

Put freetype into third_party directory, cleaning up header files.

Previously freetype header files are in core/src/fxge/freetype and core/include/thirdparties. There were also multiple fx_freetype.h.

This patch removes the additional Foxit wrapper to make further update easier.

Notice, for original freetype source code, the following files are modified and need to be updated accordingly in future update:

third_party/freetype/include/config/ftmodule.h
third_party/freetype/include/config/ftoption.h

BUG=407341
R=thestig@chromium.org

Review URL: https://codereview.chromium.org/815103002

1 files changed, 405 insertions, 0 deletions

diff --git a/third_party/freetype/src/base/ftgloadr.c b/third_party/freetype/src/base/ftgloadr.c
new file mode 100644
index 0000000000..3cc5c7a805
--- /dev/null
+++ b/third_party/freetype/src/base/ftgloadr.c
@@ -0,0 +1,405 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftgloadr.c                                                             */
+/*                                                                         */
+/*    The FreeType glyph loader (body).                                    */
+/*                                                                         */
+/*  Copyright 2002-2006, 2010, 2013 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_INTERNAL_DEBUG_H
+#include FT_INTERNAL_GLYPH_LOADER_H
+#include FT_INTERNAL_MEMORY_H
+#include FT_INTERNAL_OBJECTS_H
+
+#undef  FT_COMPONENT
+#define FT_COMPONENT  trace_gloader
+
+
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*****                                                               *****/
+  /*****                                                               *****/
+  /*****                    G L Y P H   L O A D E R                    *****/
+  /*****                                                               *****/
+  /*****                                                               *****/
+  /*************************************************************************/
+  /*************************************************************************/
+  /*************************************************************************/
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* The glyph loader is a simple object which is used to load a set of    */
+  /* glyphs easily.  It is critical for the correct loading of composites. */
+  /*                                                                       */
+  /* Ideally, one can see it as a stack of abstract `glyph' objects.       */
+  /*                                                                       */
+  /*   loader.base     Is really the bottom of the stack.  It describes a  */
+  /*                   single glyph image made of the juxtaposition of     */
+  /*                   several glyphs (those `in the stack').              */
+  /*                                                                       */
+  /*   loader.current  Describes the top of the stack, on which a new      */
+  /*                   glyph can be loaded.                                */
+  /*                                                                       */
+  /*   Rewind          Clears the stack.                                   */
+  /*   Prepare         Set up `loader.current' for addition of a new glyph */
+  /*                   image.                                              */
+  /*   Add             Add the `current' glyph image to the `base' one,    */
+  /*                   and prepare for another one.                        */
+  /*                                                                       */
+  /* The glyph loader is now a base object.  Each driver used to           */
+  /* re-implement it in one way or the other, which wasted code and        */
+  /* energy.                                                               */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+  /* create a new glyph loader */
+  FT_BASE_DEF( FT_Error )
+  FT_GlyphLoader_New( FT_Memory        memory,
+                      FT_GlyphLoader  *aloader )
+  {
+    FT_GlyphLoader  loader = NULL;
+    FT_Error        error;
+
+
+    if ( !FT_NEW( loader ) )
+    {
+      loader->memory = memory;
+      *aloader       = loader;
+    }
+    return error;
+  }
+
+
+  /* rewind the glyph loader - reset counters to 0 */
+  FT_BASE_DEF( void )
+  FT_GlyphLoader_Rewind( FT_GlyphLoader  loader )
+  {
+    FT_GlyphLoad  base    = &loader->base;
+    FT_GlyphLoad  current = &loader->current;
+
+
+    base->outline.n_points   = 0;
+    base->outline.n_contours = 0;
+    base->num_subglyphs      = 0;
+
+    *current = *base;
+  }
+
+
+  /* reset the glyph loader, frees all allocated tables */
+  /* and starts from zero                               */
+  FT_BASE_DEF( void )
+  FT_GlyphLoader_Reset( FT_GlyphLoader  loader )
+  {
+    FT_Memory memory = loader->memory;
+
+
+    FT_FREE( loader->base.outline.points );
+    FT_FREE( loader->base.outline.tags );
+    FT_FREE( loader->base.outline.contours );
+    FT_FREE( loader->base.extra_points );
+    FT_FREE( loader->base.subglyphs );
+
+    loader->base.extra_points2 = NULL;
+
+    loader->max_points    = 0;
+    loader->max_contours  = 0;
+    loader->max_subglyphs = 0;
+
+    FT_GlyphLoader_Rewind( loader );
+  }
+
+
+  /* delete a glyph loader */
+  FT_BASE_DEF( void )
+  FT_GlyphLoader_Done( FT_GlyphLoader  loader )
+  {
+    if ( loader )
+    {
+      FT_Memory memory = loader->memory;
+
+
+      FT_GlyphLoader_Reset( loader );
+      FT_FREE( loader );
+    }
+  }
+
+
+  /* re-adjust the `current' outline fields */
+  static void
+  FT_GlyphLoader_Adjust_Points( FT_GlyphLoader  loader )
+  {
+    FT_Outline*  base    = &loader->base.outline;
+    FT_Outline*  current = &loader->current.outline;
+
+
+    current->points   = base->points   + base->n_points;
+    current->tags     = base->tags     + base->n_points;
+    current->contours = base->contours + base->n_contours;
+
+    /* handle extra points table - if any */
+    if ( loader->use_extra )
+    {
+      loader->current.extra_points  = loader->base.extra_points +
+                                      base->n_points;
+
+      loader->current.extra_points2 = loader->base.extra_points2 +
+                                      base->n_points;
+    }
+  }
+
+
+  FT_BASE_DEF( FT_Error )
+  FT_GlyphLoader_CreateExtra( FT_GlyphLoader  loader )
+  {
+    FT_Error   error;
+    FT_Memory  memory = loader->memory;
+
+
+    if ( !FT_NEW_ARRAY( loader->base.extra_points, 2 * loader->max_points ) )
+    {
+      loader->use_extra          = 1;
+      loader->base.extra_points2 = loader->base.extra_points +
+                                   loader->max_points;
+
+      FT_GlyphLoader_Adjust_Points( loader );
+    }
+    return error;
+  }
+
+
+  /* re-adjust the `current' subglyphs field */
+  static void
+  FT_GlyphLoader_Adjust_Subglyphs( FT_GlyphLoader  loader )
+  {
+    FT_GlyphLoad  base    = &loader->base;
+    FT_GlyphLoad  current = &loader->current;
+
+
+    current->subglyphs = base->subglyphs + base->num_subglyphs;
+  }
+
+
+  /* Ensure that we can add `n_points' and `n_contours' to our glyph.      */
+  /* This function reallocates its outline tables if necessary.  Note that */
+  /* it DOESN'T change the number of points within the loader!             */
+  /*                                                                       */
+  FT_BASE_DEF( FT_Error )
+  FT_GlyphLoader_CheckPoints( FT_GlyphLoader  loader,
+                              FT_UInt         n_points,
+                              FT_UInt         n_contours )
+  {
+    FT_Memory    memory  = loader->memory;
+    FT_Error     error   = FT_Err_Ok;
+    FT_Outline*  base    = &loader->base.outline;
+    FT_Outline*  current = &loader->current.outline;
+    FT_Bool      adjust  = 0;
+
+    FT_UInt      new_max, old_max;
+
+
+    /* check points & tags */
+    new_max = base->n_points + current->n_points + n_points;
+    old_max = loader->max_points;
+
+    if ( new_max > old_max )
+    {
+      new_max = FT_PAD_CEIL( new_max, 8 );
+
+      if ( new_max > FT_OUTLINE_POINTS_MAX )
+        return FT_THROW( Array_Too_Large );
+
+      if ( FT_RENEW_ARRAY( base->points, old_max, new_max ) ||
+           FT_RENEW_ARRAY( base->tags,   old_max, new_max ) )
+        goto Exit;
+
+      if ( loader->use_extra )
+      {
+        if ( FT_RENEW_ARRAY( loader->base.extra_points,
+                             old_max * 2, new_max * 2 ) )
+          goto Exit;
+
+        FT_ARRAY_MOVE( loader->base.extra_points + new_max,
+                       loader->base.extra_points + old_max,
+                       old_max );
+
+        loader->base.extra_points2 = loader->base.extra_points + new_max;
+      }
+
+      adjust = 1;
+      loader->max_points = new_max;
+    }
+
+    /* check contours */
+    old_max = loader->max_contours;
+    new_max = base->n_contours + current->n_contours +
+              n_contours;
+    if ( new_max > old_max )
+    {
+      new_max = FT_PAD_CEIL( new_max, 4 );
+
+      if ( new_max > FT_OUTLINE_CONTOURS_MAX )
+        return FT_THROW( Array_Too_Large );
+
+      if ( FT_RENEW_ARRAY( base->contours, old_max, new_max ) )
+        goto Exit;
+
+      adjust = 1;
+      loader->max_contours = new_max;
+    }
+
+    if ( adjust )
+      FT_GlyphLoader_Adjust_Points( loader );
+
+  Exit:
+    if ( error )
+      FT_GlyphLoader_Reset( loader );
+
+    return error;
+  }
+
+
+  /* Ensure that we can add `n_subglyphs' to our glyph. this function */
+  /* reallocates its subglyphs table if necessary.  Note that it DOES */
+  /* NOT change the number of subglyphs within the loader!            */
+  /*                                                                  */
+  FT_BASE_DEF( FT_Error )
+  FT_GlyphLoader_CheckSubGlyphs( FT_GlyphLoader  loader,
+                                 FT_UInt         n_subs )
+  {
+    FT_Memory     memory = loader->memory;
+    FT_Error      error  = FT_Err_Ok;
+    FT_UInt       new_max, old_max;
+
+    FT_GlyphLoad  base    = &loader->base;
+    FT_GlyphLoad  current = &loader->current;
+
+
+    new_max = base->num_subglyphs + current->num_subglyphs + n_subs;
+    old_max = loader->max_subglyphs;
+    if ( new_max > old_max )
+    {
+      new_max = FT_PAD_CEIL( new_max, 2 );
+      if ( FT_RENEW_ARRAY( base->subglyphs, old_max, new_max ) )
+        goto Exit;
+
+      loader->max_subglyphs = new_max;
+
+      FT_GlyphLoader_Adjust_Subglyphs( loader );
+    }
+
+  Exit:
+    return error;
+  }
+
+
+  /* prepare loader for the addition of a new glyph on top of the base one */
+  FT_BASE_DEF( void )
+  FT_GlyphLoader_Prepare( FT_GlyphLoader  loader )
+  {
+    FT_GlyphLoad  current = &loader->current;
+
+
+    current->outline.n_points   = 0;
+    current->outline.n_contours = 0;
+    current->num_subglyphs      = 0;
+
+    FT_GlyphLoader_Adjust_Points   ( loader );
+    FT_GlyphLoader_Adjust_Subglyphs( loader );
+  }
+
+
+  /* add current glyph to the base image -- and prepare for another */
+  FT_BASE_DEF( void )
+  FT_GlyphLoader_Add( FT_GlyphLoader  loader )
+  {
+    FT_GlyphLoad  base;
+    FT_GlyphLoad  current;
+
+    FT_UInt       n_curr_contours;
+    FT_UInt       n_base_points;
+    FT_UInt       n;
+
+
+    if ( !loader )
+      return;
+
+    base    = &loader->base;
+    current = &loader->current;
+
+    n_curr_contours = current->outline.n_contours;
+    n_base_points   = base->outline.n_points;
+
+    base->outline.n_points =
+      (short)( base->outline.n_points + current->outline.n_points );
+    base->outline.n_contours =
+      (short)( base->outline.n_contours + current->outline.n_contours );
+
+    base->num_subglyphs += current->num_subglyphs;
+
+    /* adjust contours count in newest outline */
+    for ( n = 0; n < n_curr_contours; n++ )
+      current->outline.contours[n] =
+        (short)( current->outline.contours[n] + n_base_points );
+
+    /* prepare for another new glyph image */
+    FT_GlyphLoader_Prepare( loader );
+  }
+
+
+  FT_BASE_DEF( FT_Error )
+  FT_GlyphLoader_CopyPoints( FT_GlyphLoader  target,
+                             FT_GlyphLoader  source )
+  {
+    FT_Error  error;
+    FT_UInt   num_points   = source->base.outline.n_points;
+    FT_UInt   num_contours = source->base.outline.n_contours;
+
+
+    error = FT_GlyphLoader_CheckPoints( target, num_points, num_contours );
+    if ( !error )
+    {
+      FT_Outline*  out = &target->base.outline;
+      FT_Outline*  in  = &source->base.outline;
+
+
+      FT_ARRAY_COPY( out->points, in->points,
+                     num_points );
+      FT_ARRAY_COPY( out->tags, in->tags,
+                     num_points );
+      FT_ARRAY_COPY( out->contours, in->contours,
+                     num_contours );
+
+      /* do we need to copy the extra points? */
+      if ( target->use_extra && source->use_extra )
+      {
+        FT_ARRAY_COPY( target->base.extra_points, source->base.extra_points,
+                       num_points );
+        FT_ARRAY_COPY( target->base.extra_points2, source->base.extra_points2,
+                       num_points );
+      }
+
+      out->n_points   = (short)num_points;
+      out->n_contours = (short)num_contours;
+
+      FT_GlyphLoader_Adjust_Points( target );
+    }
+
+    return error;
+  }
+
+
+/* END */