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Merge pull request #22 from ksimka/patch-1 

Fix max alpha value: 1<<32-1, not 1<<16-1.

This was missed in 8a442816.
This commit is contained in:
Nigel Tao 2016-01-29 13:25:26 +11:00
parent 724061d635 23cf3c9a64
commit 2b7eb15daa
1 changed files with 2 additions and 2 deletions
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4
raster/paint.go
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@ -197,7 +197,7 @@ func (m *MonochromePainter) Paint(ss []Span, done bool) {
if m.y == s.Y && m.x1 == s.X0 {
m.x1 = s.X1
} else {
ss[j] = Span{m.y, m.x0, m.x1, 1<<32 - 1}
ss[j] = Span{m.y, m.x0, m.x1, 1<<16 - 1}
j++
m.y, m.x0, m.x1 = s.Y, s.X0, s.X1
}
@ -205,7 +205,7 @@ func (m *MonochromePainter) Paint(ss []Span, done bool) {
}
if done {
// Flush the accumulated Span.
finalSpan := Span{m.y, m.x0, m.x1, 1<<32 - 1}
finalSpan := Span{m.y, m.x0, m.x1, 1<<16 - 1}
if j < len(ss) {
ss[j] = finalSpan
j++