draw: factor out some float64 to uint32 conversions.
This will make the upcoming "implement masks" change easier.
Change-Id: I2b316a0b25f98779d9cd076e64266c617464a08e
Reviewed-on: https://go-review.googlesource.com/8999
Reviewed-by: Rob Pike <r@golang.org>
diff --git a/draw/gen.go b/draw/gen.go
index adc5b7d..2d24a54 100644
--- a/draw/gen.go
+++ b/draw/gen.go
@@ -296,6 +296,32 @@
}
`
+ case "convFtou":
+ args, _ := splitArgs(suffix)
+ if len(args) != 2 {
+ return ""
+ }
+
+ switch d.sType {
+ default:
+ return argf(args, ""+
+ "$0r := uint32($1r)\n"+
+ "$0g := uint32($1g)\n"+
+ "$0b := uint32($1b)\n"+
+ "$0a := uint32($1a)",
+ )
+ case "*image.Gray":
+ return argf(args, ""+
+ "$0r := uint32($1r)",
+ )
+ case "*image.YCbCr":
+ return argf(args, ""+
+ "$0r := uint32($1r)\n"+
+ "$0g := uint32($1g)\n"+
+ "$0b := uint32($1b)",
+ )
+ }
+
case "outputu":
args, _ := splitArgs(suffix)
if len(args) != 3 {
@@ -310,20 +336,20 @@
case "Image":
return argf(args, ""+
"qr, qg, qb, qa := dst.At($0, $1).RGBA()\n"+
- "$2a1 := 0xffff - uint32($2a)\n"+
- "dstColorRGBA64.R = uint16(qr*$2a1/0xffff + uint32($2r))\n"+
- "dstColorRGBA64.G = uint16(qg*$2a1/0xffff + uint32($2g))\n"+
- "dstColorRGBA64.B = uint16(qb*$2a1/0xffff + uint32($2b))\n"+
- "dstColorRGBA64.A = uint16(qa*$2a1/0xffff + uint32($2a))\n"+
+ "$2a1 := 0xffff - $2a\n"+
+ "dstColorRGBA64.R = uint16(qr*$2a1/0xffff + $2r)\n"+
+ "dstColorRGBA64.G = uint16(qg*$2a1/0xffff + $2g)\n"+
+ "dstColorRGBA64.B = uint16(qb*$2a1/0xffff + $2b)\n"+
+ "dstColorRGBA64.A = uint16(qa*$2a1/0xffff + $2a)\n"+
"dst.Set($0, $1, dstColor)",
)
case "*image.RGBA":
return argf(args, ""+
- "$2a1 := (0xffff - uint32($2a)) * 0x101\n"+
- "dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*$2a1/0xffff + uint32($2r)) >> 8)\n"+
- "dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*$2a1/0xffff + uint32($2g)) >> 8)\n"+
- "dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*$2a1/0xffff + uint32($2b)) >> 8)\n"+
- "dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*$2a1/0xffff + uint32($2a)) >> 8)",
+ "$2a1 := (0xffff - $2a) * 0x101\n"+
+ "dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*$2a1/0xffff + $2r) >> 8)\n"+
+ "dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*$2a1/0xffff + $2g) >> 8)\n"+
+ "dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*$2a1/0xffff + $2b) >> 8)\n"+
+ "dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*$2a1/0xffff + $2a) >> 8)",
)
}
@@ -363,14 +389,14 @@
switch d.sType {
default:
return argf(args, ""+
- "dst.Pix[d+0] = uint8(uint32($2r) >> 8)\n"+
- "dst.Pix[d+1] = uint8(uint32($2g) >> 8)\n"+
- "dst.Pix[d+2] = uint8(uint32($2b) >> 8)\n"+
- "dst.Pix[d+3] = uint8(uint32($2a) >> 8)",
+ "dst.Pix[d+0] = uint8($2r >> 8)\n"+
+ "dst.Pix[d+1] = uint8($2g >> 8)\n"+
+ "dst.Pix[d+2] = uint8($2b >> 8)\n"+
+ "dst.Pix[d+3] = uint8($2a >> 8)",
)
case "*image.Gray":
return argf(args, ""+
- "out := uint8(uint32($2r) >> 8)\n"+
+ "out := uint8($2r >> 8)\n"+
"dst.Pix[d+0] = out\n"+
"dst.Pix[d+1] = out\n"+
"dst.Pix[d+2] = out\n"+
@@ -378,9 +404,9 @@
)
case "*image.YCbCr":
return argf(args, ""+
- "dst.Pix[d+0] = uint8(uint32($2r) >> 8)\n"+
- "dst.Pix[d+1] = uint8(uint32($2g) >> 8)\n"+
- "dst.Pix[d+2] = uint8(uint32($2b) >> 8)\n"+
+ "dst.Pix[d+0] = uint8($2r >> 8)\n"+
+ "dst.Pix[d+1] = uint8($2g >> 8)\n"+
+ "dst.Pix[d+2] = uint8($2b >> 8)\n"+
"dst.Pix[d+3] = 0xff",
)
}
@@ -991,7 +1017,8 @@
s11 := $srcf[sr.Min.X + int(sx1), sr.Min.Y + int(sy1)]
$blend[xFrac1, s01, xFrac0, s11]
$blend[yFrac1, s10, yFrac0, s11]
- $outputu[dr.Min.X + int(dx), dr.Min.Y + int(dy), s11]
+ $convFtou[p, s11]
+ $outputu[dr.Min.X + int(dx), dr.Min.Y + int(dy), p]
}
}
}
@@ -1046,7 +1073,8 @@
s11 := $srcf[sx1, sy1]
$blend[xFrac1, s01, xFrac0, s11]
$blend[yFrac1, s10, yFrac0, s11]
- $outputu[dr.Min.X + int(dx), dr.Min.Y + int(dy), s11]
+ $convFtou[p, s11]
+ $outputu[dr.Min.X + int(dx), dr.Min.Y + int(dy), p]
}
}
}
diff --git a/draw/impl.go b/draw/impl.go
index 6555fc2..eb7cda3 100644
--- a/draw/impl.go
+++ b/draw/impl.go
@@ -208,7 +208,7 @@
sx := (2*uint64(dx) + 1) * sw / dw2
pi := (sr.Min.Y+int(sy)-src.Rect.Min.Y)*src.Stride + (sr.Min.X + int(sx) - src.Rect.Min.X)
pr := uint32(src.Pix[pi]) * 0x101
- out := uint8(uint32(pr) >> 8)
+ out := uint8(pr >> 8)
dst.Pix[d+0] = out
dst.Pix[d+1] = out
dst.Pix[d+2] = out
@@ -232,11 +232,11 @@
pr := uint32(src.Pix[pi+0]) * pa / 0xff
pg := uint32(src.Pix[pi+1]) * pa / 0xff
pb := uint32(src.Pix[pi+2]) * pa / 0xff
- pa1 := (0xffff - uint32(pa)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + uint32(pr)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + uint32(pg)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + uint32(pb)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + uint32(pa)) >> 8)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -256,10 +256,10 @@
pr := uint32(src.Pix[pi+0]) * pa / 0xff
pg := uint32(src.Pix[pi+1]) * pa / 0xff
pb := uint32(src.Pix[pi+2]) * pa / 0xff
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
- dst.Pix[d+3] = uint8(uint32(pa) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -279,11 +279,11 @@
pg := uint32(src.Pix[pi+1]) * 0x101
pb := uint32(src.Pix[pi+2]) * 0x101
pa := uint32(src.Pix[pi+3]) * 0x101
- pa1 := (0xffff - uint32(pa)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + uint32(pr)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + uint32(pg)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + uint32(pb)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + uint32(pa)) >> 8)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -303,10 +303,10 @@
pg := uint32(src.Pix[pi+1]) * 0x101
pb := uint32(src.Pix[pi+2]) * 0x101
pa := uint32(src.Pix[pi+3]) * 0x101
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
- dst.Pix[d+3] = uint8(uint32(pa) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -346,9 +346,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -389,9 +389,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -432,9 +432,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -475,9 +475,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -494,11 +494,11 @@
for dx := int32(adr.Min.X); dx < int32(adr.Max.X); dx, d = dx+1, d+4 {
sx := (2*uint64(dx) + 1) * sw / dw2
pr, pg, pb, pa := src.At(sr.Min.X+int(sx), sr.Min.Y+int(sy)).RGBA()
- pa1 := (0xffff - uint32(pa)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + uint32(pr)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + uint32(pg)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + uint32(pb)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + uint32(pa)) >> 8)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -514,10 +514,10 @@
for dx := int32(adr.Min.X); dx < int32(adr.Max.X); dx, d = dx+1, d+4 {
sx := (2*uint64(dx) + 1) * sw / dw2
pr, pg, pb, pa := src.At(sr.Min.X+int(sx), sr.Min.Y+int(sy)).RGBA()
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
- dst.Pix[d+3] = uint8(uint32(pa) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -535,11 +535,11 @@
sx := (2*uint64(dx) + 1) * sw / dw2
pr, pg, pb, pa := src.At(sr.Min.X+int(sx), sr.Min.Y+int(sy)).RGBA()
qr, qg, qb, qa := dst.At(dr.Min.X+int(dx), dr.Min.Y+int(dy)).RGBA()
- pa1 := 0xffff - uint32(pa)
- dstColorRGBA64.R = uint16(qr*pa1/0xffff + uint32(pr))
- dstColorRGBA64.G = uint16(qg*pa1/0xffff + uint32(pg))
- dstColorRGBA64.B = uint16(qb*pa1/0xffff + uint32(pb))
- dstColorRGBA64.A = uint16(qa*pa1/0xffff + uint32(pa))
+ pa1 := 0xffff - pa
+ dstColorRGBA64.R = uint16(qr*pa1/0xffff + pr)
+ dstColorRGBA64.G = uint16(qg*pa1/0xffff + pg)
+ dstColorRGBA64.B = uint16(qb*pa1/0xffff + pb)
+ dstColorRGBA64.A = uint16(qa*pa1/0xffff + pa)
dst.Set(dr.Min.X+int(dx), dr.Min.Y+int(dy), dstColor)
}
}
@@ -579,7 +579,7 @@
}
pi := (sy0-src.Rect.Min.Y)*src.Stride + (sx0 - src.Rect.Min.X)
pr := uint32(src.Pix[pi]) * 0x101
- out := uint8(uint32(pr) >> 8)
+ out := uint8(pr >> 8)
dst.Pix[d+0] = out
dst.Pix[d+1] = out
dst.Pix[d+2] = out
@@ -604,11 +604,11 @@
pr := uint32(src.Pix[pi+0]) * pa / 0xff
pg := uint32(src.Pix[pi+1]) * pa / 0xff
pb := uint32(src.Pix[pi+2]) * pa / 0xff
- pa1 := (0xffff - uint32(pa)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + uint32(pr)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + uint32(pg)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + uint32(pb)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + uint32(pa)) >> 8)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -629,10 +629,10 @@
pr := uint32(src.Pix[pi+0]) * pa / 0xff
pg := uint32(src.Pix[pi+1]) * pa / 0xff
pb := uint32(src.Pix[pi+2]) * pa / 0xff
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
- dst.Pix[d+3] = uint8(uint32(pa) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -653,11 +653,11 @@
pg := uint32(src.Pix[pi+1]) * 0x101
pb := uint32(src.Pix[pi+2]) * 0x101
pa := uint32(src.Pix[pi+3]) * 0x101
- pa1 := (0xffff - uint32(pa)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + uint32(pr)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + uint32(pg)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + uint32(pb)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + uint32(pa)) >> 8)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -678,10 +678,10 @@
pg := uint32(src.Pix[pi+1]) * 0x101
pb := uint32(src.Pix[pi+2]) * 0x101
pa := uint32(src.Pix[pi+3]) * 0x101
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
- dst.Pix[d+3] = uint8(uint32(pa) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -722,9 +722,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -766,9 +766,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -810,9 +810,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -854,9 +854,9 @@
} else if pb > 0xffff {
pb = 0xffff
}
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -874,11 +874,11 @@
continue
}
pr, pg, pb, pa := src.At(sx0, sy0).RGBA()
- pa1 := (0xffff - uint32(pa)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + uint32(pr)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + uint32(pg)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + uint32(pb)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + uint32(pa)) >> 8)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -895,10 +895,10 @@
continue
}
pr, pg, pb, pa := src.At(sx0, sy0).RGBA()
- dst.Pix[d+0] = uint8(uint32(pr) >> 8)
- dst.Pix[d+1] = uint8(uint32(pg) >> 8)
- dst.Pix[d+2] = uint8(uint32(pb) >> 8)
- dst.Pix[d+3] = uint8(uint32(pa) >> 8)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -917,11 +917,11 @@
}
pr, pg, pb, pa := src.At(sx0, sy0).RGBA()
qr, qg, qb, qa := dst.At(dr.Min.X+int(dx), dr.Min.Y+int(dy)).RGBA()
- pa1 := 0xffff - uint32(pa)
- dstColorRGBA64.R = uint16(qr*pa1/0xffff + uint32(pr))
- dstColorRGBA64.G = uint16(qg*pa1/0xffff + uint32(pg))
- dstColorRGBA64.B = uint16(qb*pa1/0xffff + uint32(pb))
- dstColorRGBA64.A = uint16(qa*pa1/0xffff + uint32(pa))
+ pa1 := 0xffff - pa
+ dstColorRGBA64.R = uint16(qr*pa1/0xffff + pr)
+ dstColorRGBA64.G = uint16(qg*pa1/0xffff + pg)
+ dstColorRGBA64.B = uint16(qb*pa1/0xffff + pb)
+ dstColorRGBA64.A = uint16(qa*pa1/0xffff + pa)
dst.Set(dr.Min.X+int(dx), dr.Min.Y+int(dy), dstColor)
}
}
@@ -1189,7 +1189,8 @@
s11r := float64(s11ru)
s11r = xFrac1*s01r + xFrac0*s11r
s11r = yFrac1*s10r + yFrac0*s11r
- out := uint8(uint32(s11r) >> 8)
+ pr := uint32(s11r)
+ out := uint8(pr >> 8)
dst.Pix[d+0] = out
dst.Pix[d+1] = out
dst.Pix[d+2] = out
@@ -1285,11 +1286,15 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- s11a1 := (0xffff - uint32(s11a)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*s11a1/0xffff + uint32(s11r)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*s11a1/0xffff + uint32(s11g)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*s11a1/0xffff + uint32(s11b)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*s11a1/0xffff + uint32(s11a)) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -1381,10 +1386,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
- dst.Pix[d+3] = uint8(uint32(s11a) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -1476,11 +1485,15 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- s11a1 := (0xffff - uint32(s11a)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*s11a1/0xffff + uint32(s11r)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*s11a1/0xffff + uint32(s11g)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*s11a1/0xffff + uint32(s11b)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*s11a1/0xffff + uint32(s11a)) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -1572,10 +1585,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
- dst.Pix[d+3] = uint8(uint32(s11a) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -1744,9 +1761,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -1916,9 +1936,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -2088,9 +2111,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -2260,9 +2286,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -2339,11 +2368,15 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- s11a1 := (0xffff - uint32(s11a)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*s11a1/0xffff + uint32(s11r)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*s11a1/0xffff + uint32(s11g)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*s11a1/0xffff + uint32(s11b)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*s11a1/0xffff + uint32(s11a)) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -2419,10 +2452,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
- dst.Pix[d+3] = uint8(uint32(s11a) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -2499,12 +2536,16 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
qr, qg, qb, qa := dst.At(dr.Min.X+int(dx), dr.Min.Y+int(dy)).RGBA()
- s11a1 := 0xffff - uint32(s11a)
- dstColorRGBA64.R = uint16(qr*s11a1/0xffff + uint32(s11r))
- dstColorRGBA64.G = uint16(qg*s11a1/0xffff + uint32(s11g))
- dstColorRGBA64.B = uint16(qb*s11a1/0xffff + uint32(s11b))
- dstColorRGBA64.A = uint16(qa*s11a1/0xffff + uint32(s11a))
+ pa1 := 0xffff - pa
+ dstColorRGBA64.R = uint16(qr*pa1/0xffff + pr)
+ dstColorRGBA64.G = uint16(qg*pa1/0xffff + pg)
+ dstColorRGBA64.B = uint16(qb*pa1/0xffff + pb)
+ dstColorRGBA64.A = uint16(qa*pa1/0xffff + pa)
dst.Set(dr.Min.X+int(dx), dr.Min.Y+int(dy), dstColor)
}
}
@@ -2582,10 +2623,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dstColorRGBA64.R = uint16(s11r)
- dstColorRGBA64.G = uint16(s11g)
- dstColorRGBA64.B = uint16(s11b)
- dstColorRGBA64.A = uint16(s11a)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dstColorRGBA64.R = uint16(pr)
+ dstColorRGBA64.G = uint16(pg)
+ dstColorRGBA64.B = uint16(pb)
+ dstColorRGBA64.A = uint16(pa)
dst.Set(dr.Min.X+int(dx), dr.Min.Y+int(dy), dstColor)
}
}
@@ -2646,7 +2691,8 @@
s11r := float64(s11ru)
s11r = xFrac1*s01r + xFrac0*s11r
s11r = yFrac1*s10r + yFrac0*s11r
- out := uint8(uint32(s11r) >> 8)
+ pr := uint32(s11r)
+ out := uint8(pr >> 8)
dst.Pix[d+0] = out
dst.Pix[d+1] = out
dst.Pix[d+2] = out
@@ -2743,11 +2789,15 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- s11a1 := (0xffff - uint32(s11a)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*s11a1/0xffff + uint32(s11r)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*s11a1/0xffff + uint32(s11g)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*s11a1/0xffff + uint32(s11b)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*s11a1/0xffff + uint32(s11a)) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -2840,10 +2890,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
- dst.Pix[d+3] = uint8(uint32(s11a) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -2936,11 +2990,15 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- s11a1 := (0xffff - uint32(s11a)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*s11a1/0xffff + uint32(s11r)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*s11a1/0xffff + uint32(s11g)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*s11a1/0xffff + uint32(s11b)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*s11a1/0xffff + uint32(s11a)) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -3033,10 +3091,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
- dst.Pix[d+3] = uint8(uint32(s11a) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -3206,9 +3268,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -3379,9 +3444,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -3552,9 +3620,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -3725,9 +3796,12 @@
s11r = yFrac1*s10r + yFrac0*s11r
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
dst.Pix[d+3] = 0xff
}
}
@@ -3805,11 +3879,15 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- s11a1 := (0xffff - uint32(s11a)) * 0x101
- dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*s11a1/0xffff + uint32(s11r)) >> 8)
- dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*s11a1/0xffff + uint32(s11g)) >> 8)
- dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*s11a1/0xffff + uint32(s11b)) >> 8)
- dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*s11a1/0xffff + uint32(s11a)) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ pa1 := (0xffff - pa) * 0x101
+ dst.Pix[d+0] = uint8((uint32(dst.Pix[d+0])*pa1/0xffff + pr) >> 8)
+ dst.Pix[d+1] = uint8((uint32(dst.Pix[d+1])*pa1/0xffff + pg) >> 8)
+ dst.Pix[d+2] = uint8((uint32(dst.Pix[d+2])*pa1/0xffff + pb) >> 8)
+ dst.Pix[d+3] = uint8((uint32(dst.Pix[d+3])*pa1/0xffff + pa) >> 8)
}
}
}
@@ -3886,10 +3964,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dst.Pix[d+0] = uint8(uint32(s11r) >> 8)
- dst.Pix[d+1] = uint8(uint32(s11g) >> 8)
- dst.Pix[d+2] = uint8(uint32(s11b) >> 8)
- dst.Pix[d+3] = uint8(uint32(s11a) >> 8)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dst.Pix[d+0] = uint8(pr >> 8)
+ dst.Pix[d+1] = uint8(pg >> 8)
+ dst.Pix[d+2] = uint8(pb >> 8)
+ dst.Pix[d+3] = uint8(pa >> 8)
}
}
}
@@ -3967,12 +4049,16 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
qr, qg, qb, qa := dst.At(dr.Min.X+int(dx), dr.Min.Y+int(dy)).RGBA()
- s11a1 := 0xffff - uint32(s11a)
- dstColorRGBA64.R = uint16(qr*s11a1/0xffff + uint32(s11r))
- dstColorRGBA64.G = uint16(qg*s11a1/0xffff + uint32(s11g))
- dstColorRGBA64.B = uint16(qb*s11a1/0xffff + uint32(s11b))
- dstColorRGBA64.A = uint16(qa*s11a1/0xffff + uint32(s11a))
+ pa1 := 0xffff - pa
+ dstColorRGBA64.R = uint16(qr*pa1/0xffff + pr)
+ dstColorRGBA64.G = uint16(qg*pa1/0xffff + pg)
+ dstColorRGBA64.B = uint16(qb*pa1/0xffff + pb)
+ dstColorRGBA64.A = uint16(qa*pa1/0xffff + pa)
dst.Set(dr.Min.X+int(dx), dr.Min.Y+int(dy), dstColor)
}
}
@@ -4051,10 +4137,14 @@
s11g = yFrac1*s10g + yFrac0*s11g
s11b = yFrac1*s10b + yFrac0*s11b
s11a = yFrac1*s10a + yFrac0*s11a
- dstColorRGBA64.R = uint16(s11r)
- dstColorRGBA64.G = uint16(s11g)
- dstColorRGBA64.B = uint16(s11b)
- dstColorRGBA64.A = uint16(s11a)
+ pr := uint32(s11r)
+ pg := uint32(s11g)
+ pb := uint32(s11b)
+ pa := uint32(s11a)
+ dstColorRGBA64.R = uint16(pr)
+ dstColorRGBA64.G = uint16(pg)
+ dstColorRGBA64.B = uint16(pb)
+ dstColorRGBA64.A = uint16(pa)
dst.Set(dr.Min.X+int(dx), dr.Min.Y+int(dy), dstColor)
}
}
