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, 306 insertions, 0 deletions

diff --git a/third_party/freetype/src/raster/ftrend1.c b/third_party/freetype/src/raster/ftrend1.c
new file mode 100644
index 0000000000..aa7f6d5664
--- /dev/null
+++ b/third_party/freetype/src/raster/ftrend1.c
@@ -0,0 +1,306 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftrend1.c                                                              */
+/*                                                                         */
+/*    The FreeType glyph rasterizer interface (body).                      */
+/*                                                                         */
+/*  Copyright 1996-2003, 2005, 2006, 2011, 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_OBJECTS_H
+#include FT_OUTLINE_H
+#include "ftrend1.h"
+#include "ftraster.h"
+#include "rastpic.h"
+
+#include "rasterrs.h"
+
+
+  /* initialize renderer -- init its raster */
+  static FT_Error
+  ft_raster1_init( FT_Renderer  render )
+  {
+    FT_Library  library = FT_MODULE_LIBRARY( render );
+
+
+    render->clazz->raster_class->raster_reset( render->raster,
+                                               library->raster_pool,
+                                               library->raster_pool_size );
+
+    return FT_Err_Ok;
+  }
+
+
+  /* set render-specific mode */
+  static FT_Error
+  ft_raster1_set_mode( FT_Renderer  render,
+                       FT_ULong     mode_tag,
+                       FT_Pointer   data )
+  {
+    /* we simply pass it to the raster */
+    return render->clazz->raster_class->raster_set_mode( render->raster,
+                                                         mode_tag,
+                                                         data );
+  }
+
+
+  /* transform a given glyph image */
+  static FT_Error
+  ft_raster1_transform( FT_Renderer       render,
+                        FT_GlyphSlot      slot,
+                        const FT_Matrix*  matrix,
+                        const FT_Vector*  delta )
+  {
+    FT_Error error = FT_Err_Ok;
+
+
+    if ( slot->format != render->glyph_format )
+    {
+      error = FT_THROW( Invalid_Argument );
+      goto Exit;
+    }
+
+    if ( matrix )
+      FT_Outline_Transform( &slot->outline, matrix );
+
+    if ( delta )
+      FT_Outline_Translate( &slot->outline, delta->x, delta->y );
+
+  Exit:
+    return error;
+  }
+
+
+  /* return the glyph's control box */
+  static void
+  ft_raster1_get_cbox( FT_Renderer   render,
+                       FT_GlyphSlot  slot,
+                       FT_BBox*      cbox )
+  {
+    FT_MEM_ZERO( cbox, sizeof ( *cbox ) );
+
+    if ( slot->format == render->glyph_format )
+      FT_Outline_Get_CBox( &slot->outline, cbox );
+  }
+
+
+  /* convert a slot's glyph image into a bitmap */
+  static FT_Error
+  ft_raster1_render( FT_Renderer       render,
+                     FT_GlyphSlot      slot,
+                     FT_Render_Mode    mode,
+                     const FT_Vector*  origin )
+  {
+    FT_Error     error;
+    FT_Outline*  outline;
+    FT_BBox      cbox;
+    FT_UInt      width, height, pitch;
+    FT_Bitmap*   bitmap;
+    FT_Memory    memory;
+
+    FT_Raster_Params  params;
+
+
+    /* check glyph image format */
+    if ( slot->format != render->glyph_format )
+    {
+      error = FT_THROW( Invalid_Argument );
+      goto Exit;
+    }
+
+    /* check rendering mode */
+#ifndef FT_CONFIG_OPTION_PIC
+    if ( mode != FT_RENDER_MODE_MONO )
+    {
+      /* raster1 is only capable of producing monochrome bitmaps */
+      if ( render->clazz == &ft_raster1_renderer_class )
+        return FT_THROW( Cannot_Render_Glyph );
+    }
+    else
+    {
+      /* raster5 is only capable of producing 5-gray-levels bitmaps */
+      if ( render->clazz == &ft_raster5_renderer_class )
+        return FT_THROW( Cannot_Render_Glyph );
+    }
+#else /* FT_CONFIG_OPTION_PIC */
+    /* When PIC is enabled, we cannot get to the class object      */
+    /* so instead we check the final character in the class name   */
+    /* ("raster5" or "raster1"). Yes this is a hack.               */
+    /* The "correct" thing to do is have different render function */
+    /* for each of the classes.                                    */
+    if ( mode != FT_RENDER_MODE_MONO )
+    {
+      /* raster1 is only capable of producing monochrome bitmaps */
+      if ( render->clazz->root.module_name[6] == '1' )
+        return FT_THROW( Cannot_Render_Glyph );
+    }
+    else
+    {
+      /* raster5 is only capable of producing 5-gray-levels bitmaps */
+      if ( render->clazz->root.module_name[6] == '5' )
+        return FT_THROW( Cannot_Render_Glyph );
+    }
+#endif /* FT_CONFIG_OPTION_PIC */
+
+    outline = &slot->outline;
+
+    /* translate the outline to the new origin if needed */
+    if ( origin )
+      FT_Outline_Translate( outline, origin->x, origin->y );
+
+    /* compute the control box, and grid fit it */
+    FT_Outline_Get_CBox( outline, &cbox );
+
+    /* undocumented but confirmed: bbox values get rounded */
+#if 1
+    cbox.xMin = FT_PIX_ROUND( cbox.xMin );
+    cbox.yMin = FT_PIX_ROUND( cbox.yMin );
+    cbox.xMax = FT_PIX_ROUND( cbox.xMax );
+    cbox.yMax = FT_PIX_ROUND( cbox.yMax );
+#else
+    cbox.xMin = FT_PIX_FLOOR( cbox.xMin );
+    cbox.yMin = FT_PIX_FLOOR( cbox.yMin );
+    cbox.xMax = FT_PIX_CEIL( cbox.xMax );
+    cbox.yMax = FT_PIX_CEIL( cbox.yMax );
+#endif
+
+    width  = (FT_UInt)( ( cbox.xMax - cbox.xMin ) >> 6 );
+    height = (FT_UInt)( ( cbox.yMax - cbox.yMin ) >> 6 );
+
+    if ( width > FT_USHORT_MAX || height > FT_USHORT_MAX )
+    {
+      error = FT_THROW( Invalid_Argument );
+      goto Exit;
+    }
+
+    bitmap = &slot->bitmap;
+    memory = render->root.memory;
+
+    /* release old bitmap buffer */
+    if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP )
+    {
+      FT_FREE( bitmap->buffer );
+      slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP;
+    }
+
+    /* allocate new one, depends on pixel format */
+    if ( !( mode & FT_RENDER_MODE_MONO ) )
+    {
+      /* we pad to 32 bits, only for backwards compatibility with FT 1.x */
+      pitch              = FT_PAD_CEIL( width, 4 );
+      bitmap->pixel_mode = FT_PIXEL_MODE_GRAY;
+      bitmap->num_grays  = 256;
+    }
+    else
+    {
+      pitch              = ( ( width + 15 ) >> 4 ) << 1;
+      bitmap->pixel_mode = FT_PIXEL_MODE_MONO;
+    }
+
+    bitmap->width = width;
+    bitmap->rows  = height;
+    bitmap->pitch = pitch;
+
+    if ( FT_ALLOC_MULT( bitmap->buffer, pitch, height ) )
+      goto Exit;
+
+    slot->internal->flags |= FT_GLYPH_OWN_BITMAP;
+
+    /* translate outline to render it into the bitmap */
+    FT_Outline_Translate( outline, -cbox.xMin, -cbox.yMin );
+
+    /* set up parameters */
+    params.target = bitmap;
+    params.source = outline;
+    params.flags  = 0;
+
+    if ( bitmap->pixel_mode == FT_PIXEL_MODE_GRAY )
+      params.flags |= FT_RASTER_FLAG_AA;
+
+    /* render outline into the bitmap */
+    error = render->raster_render( render->raster, &params );
+
+    FT_Outline_Translate( outline, cbox.xMin, cbox.yMin );
+
+    if ( error )
+      goto Exit;
+
+    slot->format      = FT_GLYPH_FORMAT_BITMAP;
+    slot->bitmap_left = (FT_Int)( cbox.xMin >> 6 );
+    slot->bitmap_top  = (FT_Int)( cbox.yMax >> 6 );
+
+  Exit:
+    return error;
+  }
+
+
+  FT_DEFINE_RENDERER( ft_raster1_renderer_class,
+
+      FT_MODULE_RENDERER,
+      sizeof ( FT_RendererRec ),
+
+      "raster1",
+      0x10000L,
+      0x20000L,
+
+      0,    /* module specific interface */
+
+      (FT_Module_Constructor)ft_raster1_init,
+      (FT_Module_Destructor) 0,
+      (FT_Module_Requester)  0
+    ,
+
+    FT_GLYPH_FORMAT_OUTLINE,
+
+    (FT_Renderer_RenderFunc)   ft_raster1_render,
+    (FT_Renderer_TransformFunc)ft_raster1_transform,
+    (FT_Renderer_GetCBoxFunc)  ft_raster1_get_cbox,
+    (FT_Renderer_SetModeFunc)  ft_raster1_set_mode,
+
+    (FT_Raster_Funcs*)    &FT_STANDARD_RASTER_GET
+  )
+
+
+  /* This renderer is _NOT_ part of the default modules; you will need */
+  /* to register it by hand in your application.  It should only be    */
+  /* used for backwards-compatibility with FT 1.x anyway.              */
+  /*                                                                   */
+  FT_DEFINE_RENDERER( ft_raster5_renderer_class,
+
+      FT_MODULE_RENDERER,
+      sizeof ( FT_RendererRec ),
+
+      "raster5",
+      0x10000L,
+      0x20000L,
+
+      0,    /* module specific interface */
+
+      (FT_Module_Constructor)ft_raster1_init,
+      (FT_Module_Destructor) 0,
+      (FT_Module_Requester)  0
+    ,
+
+    FT_GLYPH_FORMAT_OUTLINE,
+
+    (FT_Renderer_RenderFunc)   ft_raster1_render,
+    (FT_Renderer_TransformFunc)ft_raster1_transform,
+    (FT_Renderer_GetCBoxFunc)  ft_raster1_get_cbox,
+    (FT_Renderer_SetModeFunc)  ft_raster1_set_mode,
+
+    (FT_Raster_Funcs*)    &FT_STANDARD_RASTER_GET
+  )
+
+
+/* END */