crunchy-rocks/freetype
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Have face.Glyph return an advance width, not the new dot.

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This tracks an upstream change in the x/exp/shiny/font package.
This commit is contained in:
Nigel Tao 2015-08-31 11:34:42 +10:00
parent 8a4428169d
commit 03bdcc0fe1
1 changed files with 3 additions and 7 deletions
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10
truetype/face.go
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@ -239,7 +239,7 @@ func (a *face) Kern(r0, r1 rune) fixed.Int26_6 {
// Glyph satisfies the font.Face interface.
func (a *face) Glyph(dot fixed.Point26_6, r rune) (
newDot fixed.Point26_6, dr image.Rectangle, mask image.Image, maskp image.Point, ok bool) {
dr image.Rectangle, mask image.Image, maskp image.Point, advance fixed.Int26_6, ok bool) {
// Quantize to the sub-pixel granularity.
dotX := (dot.X + a.subPixelBiasX) & a.subPixelMaskX
@ -265,17 +265,13 @@ func (a *face) Glyph(dot fixed.Point26_6, r rune) (
var ok bool
v, ok = a.rasterize(index, fx, fy)
if !ok {
return fixed.Point26_6{}, image.Rectangle{}, nil, image.Point{}, false
return image.Rectangle{}, nil, image.Point{}, 0, false
}
a.cache[cIndex] = cacheEntry{k, v}
} else {
v = a.cache[cIndex].val
}
newDot = fixed.Point26_6{
X: dot.X + v.advanceWidth,
Y: dot.Y,
}
dr.Min = image.Point{
X: ix + v.offset.X,
Y: iy + v.offset.Y,
@ -284,7 +280,7 @@ func (a *face) Glyph(dot fixed.Point26_6, r rune) (
X: dr.Min.X + v.gw,
Y: dr.Min.Y + v.gh,
}
return newDot, dr, a.masks, image.Point{Y: a.paintOffset}, true
return dr, a.masks, image.Point{Y: a.paintOffset}, v.advanceWidth, true
}
func (a *face) GlyphBounds(r rune) (bounds fixed.Rectangle26_6, advance fixed.Int26_6, ok bool) {