[freetype2] anuj-distance-field 59cc0f7 04/95: * include/freetype/ftimage.h (FT_Render_Mode_): Added new pixel mode.

[Anuj Verma]

branch: anuj-distance-field
commit 59cc0f79cf461c0766d388f1d495c6349cc037d3
Author: Anuj Verma <anujv@iitbhilai.ac.in>
Commit: Anuj Verma <anujv@iitbhilai.ac.in>

    * include/freetype/ftimage.h (FT_Render_Mode_): Added new pixel mode.
---
 [GSoC]ChangeLog            | 6 ++++++
 include/freetype/ftimage.h | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/[GSoC]ChangeLog b/[GSoC]ChangeLog
index 076a7eb..f3c597c 100644
--- a/[GSoC]ChangeLog
+++ b/[GSoC]ChangeLog
@@ -1,5 +1,11 @@
 2020-06-19  Anuj Verma  <anujv@iitbhilai.ac.in>
 
+       * include/freetype/ftimage.h (FT_Render_Mode_): Added new
+         pixel mode `FT_PIXEL_MODE_GRAY16' which will be used
+         to represent signed values while rendering to SDF bitmap.
+
+2020-06-19  Anuj Verma  <anujv@iitbhilai.ac.in>
+
        * include/freetype/freetype.h (FT_Render_Mode_): Added new
          rendermode `FT_RENDER_MODE_SDF' which will be used by the
          `sdf' module to generate signed distance fields from glyph's
diff --git a/include/freetype/ftimage.h b/include/freetype/ftimage.h
index 29b907a..426b094 100644
--- a/include/freetype/ftimage.h
+++ b/include/freetype/ftimage.h
@@ -157,6 +157,12 @@ FT_BEGIN_HEADER
    *     in font files according to the OpenType specification.  We haven't
    *     found a single font using this format, however.
    *
+   *   FT_PIXEL_MODE_GRAY16 ::
+   *     A 16-bit per pixel bitmap used to represent signed distances in a 
+   *     signed distance field bitmap.  This is currently only used while
+   *     rendering using @FT_RENDER_MODE_SDF.  Note that this is a 2.14
+   *     fixed-point fractional value.
+   *
    *   FT_PIXEL_MODE_LCD ::
    *     An 8-bit bitmap, representing RGB or BGR decimated glyph images used
    *     for display on LCD displays; the bitmap is three times wider than
@@ -184,6 +190,7 @@ FT_BEGIN_HEADER
     FT_PIXEL_MODE_GRAY,
     FT_PIXEL_MODE_GRAY2,
     FT_PIXEL_MODE_GRAY4,
+    FT_PIXEL_MODE_GRAY16,
     FT_PIXEL_MODE_LCD,
     FT_PIXEL_MODE_LCD_V,
     FT_PIXEL_MODE_BGRA,