Add SDF HintingMode

love2d · Sep 1, 2023 · 0abff32 · 0abff32
1 parent 2deb627
commit 0abff32
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Showing 3 changed files with 6 additions and 0 deletions.
diff --git a/src/modules/font/TrueTypeRasterizer.cpp b/src/modules/font/TrueTypeRasterizer.cpp
@@ -46,6 +46,7 @@ StringMap<TrueTypeRasterizer::Hinting, TrueTypeRasterizer::HINTING_MAX_ENUM>::En
  {"light", HINTING_LIGHT},
  {"mono", HINTING_MONO},
  {"none", HINTING_NONE},
+ {"sdf", HINTING_SDF},
 };
 
 StringMap<TrueTypeRasterizer::Hinting, TrueTypeRasterizer::HINTING_MAX_ENUM> TrueTypeRasterizer::hintings(TrueTypeRasterizer::hintingEntries, sizeof(TrueTypeRasterizer::hintingEntries));

diff --git a/src/modules/font/TrueTypeRasterizer.h b/src/modules/font/TrueTypeRasterizer.h
@@ -41,6 +41,7 @@ class TrueTypeRasterizer : public Rasterizer
  HINTING_LIGHT,
  HINTING_MONO,
  HINTING_NONE,
+ HINTING_SDF,
  HINTING_MAX_ENUM
  };
 

diff --git a/src/modules/font/freetype/TrueTypeRasterizer.cpp b/src/modules/font/freetype/TrueTypeRasterizer.cpp
@@ -97,6 +97,8 @@ GlyphData *TrueTypeRasterizer::getGlyphData(uint32 glyph) const
  FT_Render_Mode rendermode = FT_RENDER_MODE_NORMAL;
  if (hinting == HINTING_MONO)
  rendermode = FT_RENDER_MODE_MONO;
+ else if (hinting == HINTING_SDF)
+ rendermode = FT_RENDER_MODE_SDF;
 
  err = FT_Glyph_To_Bitmap(&ftglyph, rendermode, 0, 1);
 
@@ -206,6 +208,8 @@ FT_UInt TrueTypeRasterizer::hintingToLoadOption(Hinting hint)
  return FT_LOAD_TARGET_LIGHT;
  case HINTING_MONO:
  return FT_LOAD_TARGET_MONO;
+ case HINTING_SDF:
+ return FT_LOAD_RENDER;
  case HINTING_NONE:
  return FT_LOAD_NO_HINTING;
  }