removed dead code

enabled font hinting

freetype.go

@@ -8,7 +8,6 @@ package canvas
 import (
  "errors"
  "image"
- "image/draw"
 
  "github.com/golang/freetype/raster"
  "github.com/golang/freetype/truetype"
@@ -42,8 +41,6 @@ type frContext struct {
  r *raster.Rasterizer
  f *truetype.Font
  glyphBuf truetype.GlyphBuf
- // dst and src are the destination and source images for drawing.
- dst draw.Image
 
  fontSize fixed.Int26_6
  hinting font.Hinting
@@ -236,37 +233,6 @@ func (c *frContext) recalc() {
  }
 }
 
-// setFont sets the font used to draw text.
-func (c *frContext) setFont(f *truetype.Font) {
- if c.f == f {
- return
- }
- c.f = f
- c.recalc()
-}
-
-// setFontSize sets the font size in points (as in "a 12 point font").
-func (c *frContext) setFontSize(fontSize fixed.Int26_6) {
- if c.fontSize == fontSize {
- return
- }
- c.fontSize = fontSize
- c.recalc()
-}
-
-// setHinting sets the hinting policy.
-func (c *frContext) setHinting(hinting font.Hinting) {
- c.hinting = hinting
- for i := range c.cache {
- c.cache[i] = cacheEntry{}
- }
-}
-
-// setDst sets the destination image for draw operations.
-func (c *frContext) setDst(dst draw.Image) {
- c.dst = dst
-}
-
 func (c *frContext) cacheSize() int {
  if c.f == nil {
  return 0
@@ -282,12 +248,10 @@ func (c *frContext) cacheSize() int {
  return w * h * len(c.cache)
 }
 
-// TODO(nigeltao): implement Context.SetGamma.
-
-// NewContext creates a new Context.
 func newFRContext() *frContext {
  return &frContext{
  r: raster.NewRasterizer(0, 0),
  fontSize: fixed.I(12),
+ hinting: font.HintingFull,
  }
 }