aw/go-resize
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Merge branch 'YCC'

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This commit is contained in:
Charlie Vieth 2014-08-12 16:11:40 -04:00
commit df655f3f70
2 changed files with 12 additions and 12 deletions
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14
converter.go
View File

@ -41,7 +41,7 @@ func clampUint16(in int64) uint16 {
} }
func resizeGeneric(in image.Image, out *image.RGBA64, scale float64, coeffs []int32, offset []int, filterLength int) { func resizeGeneric(in image.Image, out *image.RGBA64, scale float64, coeffs []int32, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Bounds().Dx(), in.Bounds().Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
for x := newBounds.Min.X; x < newBounds.Max.X; x++ { for x := newBounds.Min.X; x < newBounds.Max.X; x++ {
@ -89,7 +89,7 @@ func resizeGeneric(in image.Image, out *image.RGBA64, scale float64, coeffs []in
} }
func resizeRGBA(in *image.RGBA, out *image.RGBA, scale float64, coeffs []int16, offset []int, filterLength int) { func resizeRGBA(in *image.RGBA, out *image.RGBA, scale float64, coeffs []int16, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 4 minX := oldBounds.Min.X * 4
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 4 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 4
@ -131,7 +131,7 @@ func resizeRGBA(in *image.RGBA, out *image.RGBA, scale float64, coeffs []int16,
} }
func resizeRGBA64(in *image.RGBA64, out *image.RGBA64, scale float64, coeffs []int32, offset []int, filterLength int) { func resizeRGBA64(in *image.RGBA64, out *image.RGBA64, scale float64, coeffs []int32, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 8 minX := oldBounds.Min.X * 8
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 8 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 8
@ -181,7 +181,7 @@ func resizeRGBA64(in *image.RGBA64, out *image.RGBA64, scale float64, coeffs []i
} }
func resizeGray(in *image.Gray, out *image.Gray, scale float64, coeffs []int16, offset []int, filterLength int) { func resizeGray(in *image.Gray, out *image.Gray, scale float64, coeffs []int16, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X minX := oldBounds.Min.X
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) maxX := (oldBounds.Max.X - oldBounds.Min.X - 1)
@ -217,7 +217,7 @@ func resizeGray(in *image.Gray, out *image.Gray, scale float64, coeffs []int16,
} }
func resizeGray16(in *image.Gray16, out *image.Gray16, scale float64, coeffs []int32, offset []int, filterLength int) { func resizeGray16(in *image.Gray16, out *image.Gray16, scale float64, coeffs []int32, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 2 minX := oldBounds.Min.X * 2
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 2 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 2
@ -255,7 +255,7 @@ func resizeGray16(in *image.Gray16, out *image.Gray16, scale float64, coeffs []i
} }
func resizeYCbCr(in *ycc, out *ycc, scale float64, coeffs []int16, offset []int, filterLength int) { func resizeYCbCr(in *ycc, out *ycc, scale float64, coeffs []int16, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 3 minX := oldBounds.Min.X * 3
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 3 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 3
@ -295,7 +295,7 @@ func resizeYCbCr(in *ycc, out *ycc, scale float64, coeffs []int16, offset []int,
} }
func nearestYCbCr(in *ycc, out *ycc, scale float64, coeffs []bool, offset []int, filterLength int) { func nearestYCbCr(in *ycc, out *ycc, scale float64, coeffs []bool, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 3 minX := oldBounds.Min.X * 3
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 3 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 3

10
nearest.go
View File

@ -35,7 +35,7 @@ func floatToUint16(x float32) uint16 {
} }
func nearestGeneric(in image.Image, out *image.RGBA64, scale float64, coeffs []bool, offset []int, filterLength int) { func nearestGeneric(in image.Image, out *image.RGBA64, scale float64, coeffs []bool, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Bounds().Dx(), in.Bounds().Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
for x := newBounds.Min.X; x < newBounds.Max.X; x++ { for x := newBounds.Min.X; x < newBounds.Max.X; x++ {
@ -82,7 +82,7 @@ func nearestGeneric(in image.Image, out *image.RGBA64, scale float64, coeffs []b
} }
func nearestRGBA(in *image.RGBA, out *image.RGBA, scale float64, coeffs []bool, offset []int, filterLength int) { func nearestRGBA(in *image.RGBA, out *image.RGBA, scale float64, coeffs []bool, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 4 minX := oldBounds.Min.X * 4
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 4 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 4
@ -123,7 +123,7 @@ func nearestRGBA(in *image.RGBA, out *image.RGBA, scale float64, coeffs []bool,
} }
func nearestRGBA64(in *image.RGBA64, out *image.RGBA64, scale float64, coeffs []bool, offset []int, filterLength int) { func nearestRGBA64(in *image.RGBA64, out *image.RGBA64, scale float64, coeffs []bool, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 8 minX := oldBounds.Min.X * 8
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 8 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 8
@ -172,7 +172,7 @@ func nearestRGBA64(in *image.RGBA64, out *image.RGBA64, scale float64, coeffs []
} }
func nearestGray(in *image.Gray, out *image.Gray, scale float64, coeffs []bool, offset []int, filterLength int) { func nearestGray(in *image.Gray, out *image.Gray, scale float64, coeffs []bool, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X minX := oldBounds.Min.X
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) maxX := (oldBounds.Max.X - oldBounds.Min.X - 1)
@ -207,7 +207,7 @@ func nearestGray(in *image.Gray, out *image.Gray, scale float64, coeffs []bool,
} }
func nearestGray16(in *image.Gray16, out *image.Gray16, scale float64, coeffs []bool, offset []int, filterLength int) { func nearestGray16(in *image.Gray16, out *image.Gray16, scale float64, coeffs []bool, offset []int, filterLength int) {
oldBounds := in.Bounds() oldBounds := image.Rect(0, 0, in.Rect.Dx(), in.Rect.Dy())
newBounds := out.Bounds() newBounds := out.Bounds()
minX := oldBounds.Min.X * 2 minX := oldBounds.Min.X * 2
maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 2 maxX := (oldBounds.Max.X - oldBounds.Min.X - 1) * 2