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fixedscalers.go
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fixedscalers.go
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// Copyright 2013 Benoît Amiaux. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package rez
// This file is auto-generated - do not modify
func h8scale2Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
si := 0
for y := 0; y < height; y++ {
c := cof
s := src[si:]
d := dst[di:]
for x, xoff := range off[:width] {
pix := int(s[xoff+0])*int(c[0]) +
int(s[xoff+1])*int(c[1])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
c = c[2:]
}
di += dp
si += sp
}
}
func v8scale2Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
for _, yoff := range off[:height] {
src = src[sp*int(yoff):]
d := dst[di:]
for x := range d[:width] {
pix := int(src[sp*0+x])*int(cof[0]) +
int(src[sp*1+x])*int(cof[1])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
}
cof = cof[2:]
di += dp
}
}
func h8scale4Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
si := 0
for y := 0; y < height; y++ {
c := cof
s := src[si:]
d := dst[di:]
for x, xoff := range off[:width] {
pix := int(s[xoff+0])*int(c[0]) +
int(s[xoff+1])*int(c[1]) +
int(s[xoff+2])*int(c[2]) +
int(s[xoff+3])*int(c[3])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
c = c[4:]
}
di += dp
si += sp
}
}
func v8scale4Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
for _, yoff := range off[:height] {
src = src[sp*int(yoff):]
d := dst[di:]
for x := range d[:width] {
pix := int(src[sp*0+x])*int(cof[0]) +
int(src[sp*1+x])*int(cof[1]) +
int(src[sp*2+x])*int(cof[2]) +
int(src[sp*3+x])*int(cof[3])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
}
cof = cof[4:]
di += dp
}
}
func h8scale6Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
si := 0
for y := 0; y < height; y++ {
c := cof
s := src[si:]
d := dst[di:]
for x, xoff := range off[:width] {
pix := int(s[xoff+0])*int(c[0]) +
int(s[xoff+1])*int(c[1]) +
int(s[xoff+2])*int(c[2]) +
int(s[xoff+3])*int(c[3]) +
int(s[xoff+4])*int(c[4]) +
int(s[xoff+5])*int(c[5])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
c = c[6:]
}
di += dp
si += sp
}
}
func v8scale6Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
for _, yoff := range off[:height] {
src = src[sp*int(yoff):]
d := dst[di:]
for x := range d[:width] {
pix := int(src[sp*0+x])*int(cof[0]) +
int(src[sp*1+x])*int(cof[1]) +
int(src[sp*2+x])*int(cof[2]) +
int(src[sp*3+x])*int(cof[3]) +
int(src[sp*4+x])*int(cof[4]) +
int(src[sp*5+x])*int(cof[5])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
}
cof = cof[6:]
di += dp
}
}
func h8scale8Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
si := 0
for y := 0; y < height; y++ {
c := cof
s := src[si:]
d := dst[di:]
for x, xoff := range off[:width] {
pix := int(s[xoff+0])*int(c[0]) +
int(s[xoff+1])*int(c[1]) +
int(s[xoff+2])*int(c[2]) +
int(s[xoff+3])*int(c[3]) +
int(s[xoff+4])*int(c[4]) +
int(s[xoff+5])*int(c[5]) +
int(s[xoff+6])*int(c[6]) +
int(s[xoff+7])*int(c[7])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
c = c[8:]
}
di += dp
si += sp
}
}
func v8scale8Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
for _, yoff := range off[:height] {
src = src[sp*int(yoff):]
d := dst[di:]
for x := range d[:width] {
pix := int(src[sp*0+x])*int(cof[0]) +
int(src[sp*1+x])*int(cof[1]) +
int(src[sp*2+x])*int(cof[2]) +
int(src[sp*3+x])*int(cof[3]) +
int(src[sp*4+x])*int(cof[4]) +
int(src[sp*5+x])*int(cof[5]) +
int(src[sp*6+x])*int(cof[6]) +
int(src[sp*7+x])*int(cof[7])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
}
cof = cof[8:]
di += dp
}
}
func h8scale10Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
si := 0
for y := 0; y < height; y++ {
c := cof
s := src[si:]
d := dst[di:]
for x, xoff := range off[:width] {
pix := int(s[xoff+0])*int(c[0]) +
int(s[xoff+1])*int(c[1]) +
int(s[xoff+2])*int(c[2]) +
int(s[xoff+3])*int(c[3]) +
int(s[xoff+4])*int(c[4]) +
int(s[xoff+5])*int(c[5]) +
int(s[xoff+6])*int(c[6]) +
int(s[xoff+7])*int(c[7]) +
int(s[xoff+8])*int(c[8]) +
int(s[xoff+9])*int(c[9])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
c = c[10:]
}
di += dp
si += sp
}
}
func v8scale10Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
for _, yoff := range off[:height] {
src = src[sp*int(yoff):]
d := dst[di:]
for x := range d[:width] {
pix := int(src[sp*0+x])*int(cof[0]) +
int(src[sp*1+x])*int(cof[1]) +
int(src[sp*2+x])*int(cof[2]) +
int(src[sp*3+x])*int(cof[3]) +
int(src[sp*4+x])*int(cof[4]) +
int(src[sp*5+x])*int(cof[5]) +
int(src[sp*6+x])*int(cof[6]) +
int(src[sp*7+x])*int(cof[7]) +
int(src[sp*8+x])*int(cof[8]) +
int(src[sp*9+x])*int(cof[9])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
}
cof = cof[10:]
di += dp
}
}
func h8scale12Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
si := 0
for y := 0; y < height; y++ {
c := cof
s := src[si:]
d := dst[di:]
for x, xoff := range off[:width] {
pix := int(s[xoff+0])*int(c[0]) +
int(s[xoff+1])*int(c[1]) +
int(s[xoff+2])*int(c[2]) +
int(s[xoff+3])*int(c[3]) +
int(s[xoff+4])*int(c[4]) +
int(s[xoff+5])*int(c[5]) +
int(s[xoff+6])*int(c[6]) +
int(s[xoff+7])*int(c[7]) +
int(s[xoff+8])*int(c[8]) +
int(s[xoff+9])*int(c[9]) +
int(s[xoff+10])*int(c[10]) +
int(s[xoff+11])*int(c[11])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
c = c[12:]
}
di += dp
si += sp
}
}
func v8scale12Go(dst, src []byte, cof, off []int16,
taps, width, height, dp, sp int) {
di := 0
for _, yoff := range off[:height] {
src = src[sp*int(yoff):]
d := dst[di:]
for x := range d[:width] {
pix := int(src[sp*0+x])*int(cof[0]) +
int(src[sp*1+x])*int(cof[1]) +
int(src[sp*2+x])*int(cof[2]) +
int(src[sp*3+x])*int(cof[3]) +
int(src[sp*4+x])*int(cof[4]) +
int(src[sp*5+x])*int(cof[5]) +
int(src[sp*6+x])*int(cof[6]) +
int(src[sp*7+x])*int(cof[7]) +
int(src[sp*8+x])*int(cof[8]) +
int(src[sp*9+x])*int(cof[9]) +
int(src[sp*10+x])*int(cof[10]) +
int(src[sp*11+x])*int(cof[11])
d[x] = u8((pix + 1<<(Bits-1)) >> Bits)
}
cof = cof[12:]
di += dp
}
}