Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 351 insertions, 0 deletions

diff --git a/freetype/src/base/ftlcdfil.c b/freetype/src/base/ftlcdfil.c
new file mode 100644
index 000000000..80640111c
--- /dev/null
+++ b/freetype/src/base/ftlcdfil.c
@@ -0,0 +1,351 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftlcdfil.c                                                             */
+/*                                                                         */
+/*    FreeType API for color filtering of subpixel bitmap glyphs (body).   */
+/*                                                                         */
+/*  Copyright 2006, 2008, 2009 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_LCD_FILTER_H
+#include FT_IMAGE_H
+#include FT_INTERNAL_OBJECTS_H
+
+
+#ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING
+
+/* define USE_LEGACY to implement the legacy filter */
+#define  USE_LEGACY
+
+  /* FIR filter used by the default and light filters */
+  static void
+  _ft_lcd_filter_fir( FT_Bitmap*      bitmap,
+                      FT_Render_Mode  mode,
+                      FT_Library      library )
+  {
+    FT_Byte*  weights = library->lcd_weights;
+    FT_UInt   width   = (FT_UInt)bitmap->width;
+    FT_UInt   height  = (FT_UInt)bitmap->rows;
+
+
+    /* horizontal in-place FIR filter */
+    if ( mode == FT_RENDER_MODE_LCD && width >= 4 )
+    {
+      FT_Byte*  line = bitmap->buffer;
+
+
+      for ( ; height > 0; height--, line += bitmap->pitch )
+      {
+        FT_UInt  fir[5];
+        FT_UInt  val1, xx;
+
+
+        val1   = line[0];
+        fir[0] = weights[2] * val1;
+        fir[1] = weights[3] * val1;
+        fir[2] = weights[4] * val1;
+        fir[3] = 0;
+        fir[4] = 0;
+
+        val1    = line[1];
+        fir[0] += weights[1] * val1;
+        fir[1] += weights[2] * val1;
+        fir[2] += weights[3] * val1;
+        fir[3] += weights[4] * val1;
+
+        for ( xx = 2; xx < width; xx++ )
+        {
+          FT_UInt  val, pix;
+
+
+          val    = line[xx];
+          pix    = fir[0] + weights[0] * val;
+          fir[0] = fir[1] + weights[1] * val;
+          fir[1] = fir[2] + weights[2] * val;
+          fir[2] = fir[3] + weights[3] * val;
+          fir[3] =          weights[4] * val;
+
+          pix        >>= 8;
+          pix         |= -( pix >> 8 );
+          line[xx - 2] = (FT_Byte)pix;
+        }
+
+        {
+          FT_UInt  pix;
+
+
+          pix          = fir[0] >> 8;
+          pix         |= -( pix >> 8 );
+          line[xx - 2] = (FT_Byte)pix;
+
+          pix          = fir[1] >> 8;
+          pix         |= -( pix >> 8 );
+          line[xx - 1] = (FT_Byte)pix;
+        }
+      }
+    }
+
+    /* vertical in-place FIR filter */
+    else if ( mode == FT_RENDER_MODE_LCD_V && height >= 4 )
+    {
+      FT_Byte*  column = bitmap->buffer;
+      FT_Int    pitch  = bitmap->pitch;
+
+
+      for ( ; width > 0; width--, column++ )
+      {
+        FT_Byte*  col = column;
+        FT_UInt   fir[5];
+        FT_UInt   val1, yy;
+
+
+        val1   = col[0];
+        fir[0] = weights[2] * val1;
+        fir[1] = weights[3] * val1;
+        fir[2] = weights[4] * val1;
+        fir[3] = 0;
+        fir[4] = 0;
+        col   += pitch;
+
+        val1    = col[0];
+        fir[0] += weights[1] * val1;
+        fir[1] += weights[2] * val1;
+        fir[2] += weights[3] * val1;
+        fir[3] += weights[4] * val1;
+        col    += pitch;
+
+        for ( yy = 2; yy < height; yy++ )
+        {
+          FT_UInt  val, pix;
+
+
+          val    = col[0];
+          pix    = fir[0] + weights[0] * val;
+          fir[0] = fir[1] + weights[1] * val;
+          fir[1] = fir[2] + weights[2] * val;
+          fir[2] = fir[3] + weights[3] * val;
+          fir[3] =          weights[4] * val;
+
+          pix           >>= 8;
+          pix            |= -( pix >> 8 );
+          col[-2 * pitch] = (FT_Byte)pix;
+          col            += pitch;
+        }
+
+        {
+          FT_UInt  pix;
+
+
+          pix             = fir[0] >> 8;
+          pix            |= -( pix >> 8 );
+          col[-2 * pitch] = (FT_Byte)pix;
+
+          pix         = fir[1] >> 8;
+          pix        |= -( pix >> 8 );
+          col[-pitch] = (FT_Byte)pix;
+        }
+      }
+    }
+  }
+
+
+#ifdef USE_LEGACY
+
+  /* intra-pixel filter used by the legacy filter */
+  static void
+  _ft_lcd_filter_legacy( FT_Bitmap*      bitmap,
+                         FT_Render_Mode  mode,
+                         FT_Library      library )
+  {
+    FT_UInt  width  = (FT_UInt)bitmap->width;
+    FT_UInt  height = (FT_UInt)bitmap->rows;
+    FT_Int   pitch  = bitmap->pitch;
+
+    static const int  filters[3][3] =
+    {
+      { 65538 * 9/13, 65538 * 1/6, 65538 * 1/13 },
+      { 65538 * 3/13, 65538 * 4/6, 65538 * 3/13 },
+      { 65538 * 1/13, 65538 * 1/6, 65538 * 9/13 }
+    };
+
+    FT_UNUSED( library );
+
+
+    /* horizontal in-place intra-pixel filter */
+    if ( mode == FT_RENDER_MODE_LCD && width >= 3 )
+    {
+      FT_Byte*  line = bitmap->buffer;
+
+
+      for ( ; height > 0; height--, line += pitch )
+      {
+        FT_UInt  xx;
+
+
+        for ( xx = 0; xx < width; xx += 3 )
+        {
+          FT_UInt  r = 0;
+          FT_UInt  g = 0;
+          FT_UInt  b = 0;
+          FT_UInt  p;
+
+
+          p  = line[xx];
+          r += filters[0][0] * p;
+          g += filters[0][1] * p;
+          b += filters[0][2] * p;
+
+          p  = line[xx + 1];
+          r += filters[1][0] * p;
+          g += filters[1][1] * p;
+          b += filters[1][2] * p;
+
+          p  = line[xx + 2];
+          r += filters[2][0] * p;
+          g += filters[2][1] * p;
+          b += filters[2][2] * p;
+
+          line[xx]     = (FT_Byte)( r / 65536 );
+          line[xx + 1] = (FT_Byte)( g / 65536 );
+          line[xx + 2] = (FT_Byte)( b / 65536 );
+        }
+      }
+    }
+    else if ( mode == FT_RENDER_MODE_LCD_V && height >= 3 )
+    {
+      FT_Byte*  column = bitmap->buffer;
+
+
+      for ( ; width > 0; width--, column++ )
+      {
+        FT_Byte*  col     = column;
+        FT_Byte*  col_end = col + height * pitch;
+
+
+        for ( ; col < col_end; col += 3 * pitch )
+        {
+          FT_UInt  r = 0;
+          FT_UInt  g = 0;
+          FT_UInt  b = 0;
+          FT_UInt  p;
+
+
+          p  = col[0];
+          r += filters[0][0] * p;
+          g += filters[0][1] * p;
+          b += filters[0][2] * p;
+
+          p  = col[pitch];
+          r += filters[1][0] * p;
+          g += filters[1][1] * p;
+          b += filters[1][2] * p;
+
+          p  = col[pitch * 2];
+          r += filters[2][0] * p;
+          g += filters[2][1] * p;
+          b += filters[2][2] * p;
+
+          col[0]         = (FT_Byte)( r / 65536 );
+          col[pitch]     = (FT_Byte)( g / 65536 );
+          col[2 * pitch] = (FT_Byte)( b / 65536 );
+        }
+      }
+    }
+  }
+
+#endif /* USE_LEGACY */
+
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Library_SetLcdFilter( FT_Library     library,
+                           FT_LcdFilter   filter )
+  {
+    static const FT_Byte  light_filter[5] =
+                            { 0, 85, 86, 85, 0 };
+    /* the values here sum up to a value larger than 256, */
+    /* providing a cheap gamma correction                 */
+    static const FT_Byte  default_filter[5] =
+                            { 0x10, 0x40, 0x70, 0x40, 0x10 };
+
+
+    if ( library == NULL )
+      return FT_Err_Invalid_Argument;
+
+    switch ( filter )
+    {
+    case FT_LCD_FILTER_NONE:
+      library->lcd_filter_func = NULL;
+      library->lcd_extra       = 0;
+      break;
+
+    case FT_LCD_FILTER_DEFAULT:
+#if defined( FT_FORCE_LEGACY_LCD_FILTER )
+
+      library->lcd_filter_func = _ft_lcd_filter_legacy;
+      library->lcd_extra       = 0;
+
+#elif defined( FT_FORCE_LIGHT_LCD_FILTER )
+
+      ft_memcpy( library->lcd_weights, light_filter, 5 );
+      library->lcd_filter_func = _ft_lcd_filter_fir;
+      library->lcd_extra       = 2;
+
+#else
+
+      ft_memcpy( library->lcd_weights, default_filter, 5 );
+      library->lcd_filter_func = _ft_lcd_filter_fir;
+      library->lcd_extra       = 2;
+
+#endif
+
+      break;
+
+    case FT_LCD_FILTER_LIGHT:
+      ft_memcpy( library->lcd_weights, light_filter, 5 );
+      library->lcd_filter_func = _ft_lcd_filter_fir;
+      library->lcd_extra       = 2;
+      break;
+
+#ifdef USE_LEGACY
+
+    case FT_LCD_FILTER_LEGACY:
+      library->lcd_filter_func = _ft_lcd_filter_legacy;
+      library->lcd_extra       = 0;
+      break;
+
+#endif
+
+    default:
+      return FT_Err_Invalid_Argument;
+    }
+
+    library->lcd_filter = filter;
+    return 0;
+  }
+
+#else /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Library_SetLcdFilter( FT_Library    library,
+                           FT_LcdFilter  filter )
+  {
+    FT_UNUSED( library );
+    FT_UNUSED( filter );
+
+    return FT_Err_Unimplemented_Feature;
+  }
+
+#endif /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
+
+
+/* END */