forked from gitea/gitea
Fix Avatar Resize (resize algo NearestNeighbor -> Bilinear) (#12745)
* Update Vendor github.com/nfnt/resize * switch resize algo NearestNeighbor -> Bilinear
This commit is contained in:
6543
GitHub
parent
332dbe7393
commit
f7b3e06026
2
go.mod
2
go.mod
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@ -73,7 +73,7 @@ require (
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github.com/minio/minio-go/v7 v7.0.4
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github.com/mitchellh/go-homedir v1.1.0
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github.com/msteinert/pam v0.0.0-20151204160544-02ccfbfaf0cc
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github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5
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github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
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github.com/niklasfasching/go-org v1.3.2
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github.com/oliamb/cutter v0.2.2
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github.com/olivere/elastic/v7 v7.0.9
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4
go.sum
4
go.sum
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@ -703,8 +703,8 @@ github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOl
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github.com/msteinert/pam v0.0.0-20151204160544-02ccfbfaf0cc h1:z1PgdCCmYYVL0BoJTUgmAq1p7ca8fzYIPsNyfsN3xAU=
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github.com/msteinert/pam v0.0.0-20151204160544-02ccfbfaf0cc/go.mod h1:np1wUFZ6tyoke22qDJZY40URn9Ae51gX7ljIWXN5TJs=
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github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
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github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5 h1:BvoENQQU+fZ9uukda/RzCAL/191HHwJA5b13R6diVlY=
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github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
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github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
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github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
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github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
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github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
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github.com/niklasfasching/go-org v1.3.2 h1:ZKTSd+GdJYkoZl1pBXLR/k7DRiRXnmB96TRiHmHdzwI=
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@ -89,6 +89,6 @@ func Prepare(data []byte) (*image.Image, error) {
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}
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}
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img = resize.Resize(AvatarSize, AvatarSize, img, resize.NearestNeighbor)
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img = resize.Resize(AvatarSize, AvatarSize, img, resize.Bilinear)
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return &img, nil
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}
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@ -1,7 +1,7 @@
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language: go
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go:
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- 1.1
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- 1.2
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- 1.3
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- tip
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- "1.x"
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- "1.1"
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- "1.4"
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- "1.10"
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@ -1,3 +1,5 @@
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# This package is no longer being updated! Please look for alternatives if that bothers you.
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Resize
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======
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@ -78,6 +78,7 @@ var blur = 1.0
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// If one of the parameters width or height is set to 0, its size will be calculated so that
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// the aspect ratio is that of the originating image.
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// The resizing algorithm uses channels for parallel computation.
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// If the input image has width or height of 0, it is returned unchanged.
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func Resize(width, height uint, img image.Image, interp InterpolationFunction) image.Image {
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scaleX, scaleY := calcFactors(width, height, float64(img.Bounds().Dx()), float64(img.Bounds().Dy()))
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if width == 0 {
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@ -92,6 +93,11 @@ func Resize(width, height uint, img image.Image, interp InterpolationFunction) i
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return img
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}
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// Input image has no pixels
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if img.Bounds().Dx() <= 0 || img.Bounds().Dy() <= 0 {
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return img
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}
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if interp == NearestNeighbor {
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return resizeNearest(width, height, scaleX, scaleY, img, interp)
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}
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@ -88,70 +88,34 @@ func newYCC(r image.Rectangle, s image.YCbCrSubsampleRatio) *ycc {
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return &ycc{Pix: buf, Stride: 3 * w, Rect: r, SubsampleRatio: s}
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}
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// Copy of image.YCbCrSubsampleRatio constants - this allows us to support
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// older versions of Go where these constants are not defined (i.e. Go 1.4)
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const (
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ycbcrSubsampleRatio444 image.YCbCrSubsampleRatio = iota
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ycbcrSubsampleRatio422
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ycbcrSubsampleRatio420
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ycbcrSubsampleRatio440
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ycbcrSubsampleRatio411
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ycbcrSubsampleRatio410
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)
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// YCbCr converts ycc to a YCbCr image with the same subsample ratio
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// as the YCbCr image that ycc was generated from.
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func (p *ycc) YCbCr() *image.YCbCr {
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ycbcr := image.NewYCbCr(p.Rect, p.SubsampleRatio)
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var off int
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switch ycbcr.SubsampleRatio {
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case image.YCbCrSubsampleRatio422:
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for y := ycbcr.Rect.Min.Y; y < ycbcr.Rect.Max.Y; y++ {
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yy := (y - ycbcr.Rect.Min.Y) * ycbcr.YStride
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cy := (y - ycbcr.Rect.Min.Y) * ycbcr.CStride
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for x := ycbcr.Rect.Min.X; x < ycbcr.Rect.Max.X; x++ {
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xx := (x - ycbcr.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx/2
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ycbcr.Y[yi] = p.Pix[off+0]
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ycbcr.Cb[ci] = p.Pix[off+1]
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ycbcr.Cr[ci] = p.Pix[off+2]
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off += 3
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}
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}
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case image.YCbCrSubsampleRatio420:
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for y := ycbcr.Rect.Min.Y; y < ycbcr.Rect.Max.Y; y++ {
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yy := (y - ycbcr.Rect.Min.Y) * ycbcr.YStride
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cy := (y/2 - ycbcr.Rect.Min.Y/2) * ycbcr.CStride
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for x := ycbcr.Rect.Min.X; x < ycbcr.Rect.Max.X; x++ {
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xx := (x - ycbcr.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx/2
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ycbcr.Y[yi] = p.Pix[off+0]
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ycbcr.Cb[ci] = p.Pix[off+1]
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ycbcr.Cr[ci] = p.Pix[off+2]
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off += 3
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}
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}
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case image.YCbCrSubsampleRatio440:
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for y := ycbcr.Rect.Min.Y; y < ycbcr.Rect.Max.Y; y++ {
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yy := (y - ycbcr.Rect.Min.Y) * ycbcr.YStride
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cy := (y/2 - ycbcr.Rect.Min.Y/2) * ycbcr.CStride
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for x := ycbcr.Rect.Min.X; x < ycbcr.Rect.Max.X; x++ {
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xx := (x - ycbcr.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx
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ycbcr.Y[yi] = p.Pix[off+0]
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ycbcr.Cb[ci] = p.Pix[off+1]
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ycbcr.Cr[ci] = p.Pix[off+2]
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off += 3
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}
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}
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default:
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// Default to 4:4:4 subsampling.
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for y := ycbcr.Rect.Min.Y; y < ycbcr.Rect.Max.Y; y++ {
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yy := (y - ycbcr.Rect.Min.Y) * ycbcr.YStride
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cy := (y - ycbcr.Rect.Min.Y) * ycbcr.CStride
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for x := ycbcr.Rect.Min.X; x < ycbcr.Rect.Max.X; x++ {
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xx := (x - ycbcr.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx
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ycbcr.Y[yi] = p.Pix[off+0]
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ycbcr.Cb[ci] = p.Pix[off+1]
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ycbcr.Cr[ci] = p.Pix[off+2]
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off += 3
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}
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}
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case ycbcrSubsampleRatio422:
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return p.ycbcr422(ycbcr)
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case ycbcrSubsampleRatio420:
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return p.ycbcr420(ycbcr)
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case ycbcrSubsampleRatio440:
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return p.ycbcr440(ycbcr)
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case ycbcrSubsampleRatio444:
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return p.ycbcr444(ycbcr)
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case ycbcrSubsampleRatio411:
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return p.ycbcr411(ycbcr)
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case ycbcrSubsampleRatio410:
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return p.ycbcr410(ycbcr)
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}
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return ycbcr
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}
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@ -159,69 +123,265 @@ func (p *ycc) YCbCr() *image.YCbCr {
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// imageYCbCrToYCC converts a YCbCr image to a ycc image for resizing.
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func imageYCbCrToYCC(in *image.YCbCr) *ycc {
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w, h := in.Rect.Dx(), in.Rect.Dy()
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r := image.Rect(0, 0, w, h)
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buf := make([]uint8, 3*w*h)
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p := ycc{Pix: buf, Stride: 3 * w, Rect: r, SubsampleRatio: in.SubsampleRatio}
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var off int
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p := ycc{
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Pix: make([]uint8, 3*w*h),
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Stride: 3 * w,
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Rect: image.Rect(0, 0, w, h),
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SubsampleRatio: in.SubsampleRatio,
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}
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switch in.SubsampleRatio {
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case image.YCbCrSubsampleRatio422:
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for y := in.Rect.Min.Y; y < in.Rect.Max.Y; y++ {
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yy := (y - in.Rect.Min.Y) * in.YStride
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cy := (y - in.Rect.Min.Y) * in.CStride
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for x := in.Rect.Min.X; x < in.Rect.Max.X; x++ {
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xx := (x - in.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx/2
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p.Pix[off+0] = in.Y[yi]
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p.Pix[off+1] = in.Cb[ci]
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p.Pix[off+2] = in.Cr[ci]
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off += 3
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}
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}
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case image.YCbCrSubsampleRatio420:
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for y := in.Rect.Min.Y; y < in.Rect.Max.Y; y++ {
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yy := (y - in.Rect.Min.Y) * in.YStride
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cy := (y/2 - in.Rect.Min.Y/2) * in.CStride
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for x := in.Rect.Min.X; x < in.Rect.Max.X; x++ {
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xx := (x - in.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx/2
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p.Pix[off+0] = in.Y[yi]
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p.Pix[off+1] = in.Cb[ci]
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p.Pix[off+2] = in.Cr[ci]
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off += 3
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}
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}
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case image.YCbCrSubsampleRatio440:
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for y := in.Rect.Min.Y; y < in.Rect.Max.Y; y++ {
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yy := (y - in.Rect.Min.Y) * in.YStride
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cy := (y/2 - in.Rect.Min.Y/2) * in.CStride
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for x := in.Rect.Min.X; x < in.Rect.Max.X; x++ {
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xx := (x - in.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx
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p.Pix[off+0] = in.Y[yi]
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p.Pix[off+1] = in.Cb[ci]
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p.Pix[off+2] = in.Cr[ci]
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off += 3
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}
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}
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default:
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// Default to 4:4:4 subsampling.
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for y := in.Rect.Min.Y; y < in.Rect.Max.Y; y++ {
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yy := (y - in.Rect.Min.Y) * in.YStride
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cy := (y - in.Rect.Min.Y) * in.CStride
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for x := in.Rect.Min.X; x < in.Rect.Max.X; x++ {
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xx := (x - in.Rect.Min.X)
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yi := yy + xx
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ci := cy + xx
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p.Pix[off+0] = in.Y[yi]
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p.Pix[off+1] = in.Cb[ci]
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p.Pix[off+2] = in.Cr[ci]
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off += 3
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}
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}
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case ycbcrSubsampleRatio422:
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return convertToYCC422(in, &p)
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case ycbcrSubsampleRatio420:
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return convertToYCC420(in, &p)
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case ycbcrSubsampleRatio440:
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return convertToYCC440(in, &p)
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case ycbcrSubsampleRatio444:
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return convertToYCC444(in, &p)
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case ycbcrSubsampleRatio411:
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return convertToYCC411(in, &p)
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case ycbcrSubsampleRatio410:
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return convertToYCC410(in, &p)
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}
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return &p
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}
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func (p *ycc) ycbcr422(ycbcr *image.YCbCr) *image.YCbCr {
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var off int
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Pix := p.Pix
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Y := ycbcr.Y
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Cb := ycbcr.Cb
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Cr := ycbcr.Cr
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for y := 0; y < ycbcr.Rect.Max.Y-ycbcr.Rect.Min.Y; y++ {
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yy := y * ycbcr.YStride
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cy := y * ycbcr.CStride
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for x := 0; x < ycbcr.Rect.Max.X-ycbcr.Rect.Min.X; x++ {
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ci := cy + x/2
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Y[yy+x] = Pix[off+0]
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Cb[ci] = Pix[off+1]
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Cr[ci] = Pix[off+2]
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off += 3
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}
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}
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return ycbcr
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}
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func (p *ycc) ycbcr420(ycbcr *image.YCbCr) *image.YCbCr {
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var off int
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Pix := p.Pix
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Y := ycbcr.Y
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Cb := ycbcr.Cb
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Cr := ycbcr.Cr
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for y := 0; y < ycbcr.Rect.Max.Y-ycbcr.Rect.Min.Y; y++ {
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yy := y * ycbcr.YStride
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cy := (y / 2) * ycbcr.CStride
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for x := 0; x < ycbcr.Rect.Max.X-ycbcr.Rect.Min.X; x++ {
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ci := cy + x/2
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Y[yy+x] = Pix[off+0]
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Cb[ci] = Pix[off+1]
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Cr[ci] = Pix[off+2]
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off += 3
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}
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}
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return ycbcr
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}
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func (p *ycc) ycbcr440(ycbcr *image.YCbCr) *image.YCbCr {
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var off int
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Pix := p.Pix
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Y := ycbcr.Y
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Cb := ycbcr.Cb
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Cr := ycbcr.Cr
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for y := 0; y < ycbcr.Rect.Max.Y-ycbcr.Rect.Min.Y; y++ {
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yy := y * ycbcr.YStride
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cy := (y / 2) * ycbcr.CStride
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for x := 0; x < ycbcr.Rect.Max.X-ycbcr.Rect.Min.X; x++ {
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ci := cy + x
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Y[yy+x] = Pix[off+0]
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Cb[ci] = Pix[off+1]
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Cr[ci] = Pix[off+2]
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off += 3
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}
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}
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return ycbcr
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}
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func (p *ycc) ycbcr444(ycbcr *image.YCbCr) *image.YCbCr {
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var off int
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Pix := p.Pix
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Y := ycbcr.Y
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Cb := ycbcr.Cb
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Cr := ycbcr.Cr
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for y := 0; y < ycbcr.Rect.Max.Y-ycbcr.Rect.Min.Y; y++ {
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yy := y * ycbcr.YStride
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cy := y * ycbcr.CStride
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for x := 0; x < ycbcr.Rect.Max.X-ycbcr.Rect.Min.X; x++ {
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ci := cy + x
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Y[yy+x] = Pix[off+0]
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Cb[ci] = Pix[off+1]
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Cr[ci] = Pix[off+2]
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off += 3
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}
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}
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return ycbcr
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}
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func (p *ycc) ycbcr411(ycbcr *image.YCbCr) *image.YCbCr {
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var off int
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Pix := p.Pix
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Y := ycbcr.Y
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Cb := ycbcr.Cb
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Cr := ycbcr.Cr
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for y := 0; y < ycbcr.Rect.Max.Y-ycbcr.Rect.Min.Y; y++ {
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yy := y * ycbcr.YStride
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cy := y * ycbcr.CStride
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for x := 0; x < ycbcr.Rect.Max.X-ycbcr.Rect.Min.X; x++ {
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ci := cy + x/4
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Y[yy+x] = Pix[off+0]
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Cb[ci] = Pix[off+1]
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Cr[ci] = Pix[off+2]
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off += 3
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}
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}
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return ycbcr
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}
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func (p *ycc) ycbcr410(ycbcr *image.YCbCr) *image.YCbCr {
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var off int
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Pix := p.Pix
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Y := ycbcr.Y
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Cb := ycbcr.Cb
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Cr := ycbcr.Cr
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for y := 0; y < ycbcr.Rect.Max.Y-ycbcr.Rect.Min.Y; y++ {
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yy := y * ycbcr.YStride
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cy := (y / 2) * ycbcr.CStride
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for x := 0; x < ycbcr.Rect.Max.X-ycbcr.Rect.Min.X; x++ {
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ci := cy + x/4
|
||||
Y[yy+x] = Pix[off+0]
|
||||
Cb[ci] = Pix[off+1]
|
||||
Cr[ci] = Pix[off+2]
|
||||
off += 3
|
||||
}
|
||||
}
|
||||
return ycbcr
|
||||
}
|
||||
|
||||
func convertToYCC422(in *image.YCbCr, p *ycc) *ycc {
|
||||
var off int
|
||||
Pix := p.Pix
|
||||
Y := in.Y
|
||||
Cb := in.Cb
|
||||
Cr := in.Cr
|
||||
for y := 0; y < in.Rect.Max.Y-in.Rect.Min.Y; y++ {
|
||||
yy := y * in.YStride
|
||||
cy := y * in.CStride
|
||||
for x := 0; x < in.Rect.Max.X-in.Rect.Min.X; x++ {
|
||||
ci := cy + x/2
|
||||
Pix[off+0] = Y[yy+x]
|
||||
Pix[off+1] = Cb[ci]
|
||||
Pix[off+2] = Cr[ci]
|
||||
off += 3
|
||||
}
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func convertToYCC420(in *image.YCbCr, p *ycc) *ycc {
|
||||
var off int
|
||||
Pix := p.Pix
|
||||
Y := in.Y
|
||||
Cb := in.Cb
|
||||
Cr := in.Cr
|
||||
for y := 0; y < in.Rect.Max.Y-in.Rect.Min.Y; y++ {
|
||||
yy := y * in.YStride
|
||||
cy := (y / 2) * in.CStride
|
||||
for x := 0; x < in.Rect.Max.X-in.Rect.Min.X; x++ {
|
||||
ci := cy + x/2
|
||||
Pix[off+0] = Y[yy+x]
|
||||
Pix[off+1] = Cb[ci]
|
||||
Pix[off+2] = Cr[ci]
|
||||
off += 3
|
||||
}
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func convertToYCC440(in *image.YCbCr, p *ycc) *ycc {
|
||||
var off int
|
||||
Pix := p.Pix
|
||||
Y := in.Y
|
||||
Cb := in.Cb
|
||||
Cr := in.Cr
|
||||
for y := 0; y < in.Rect.Max.Y-in.Rect.Min.Y; y++ {
|
||||
yy := y * in.YStride
|
||||
cy := (y / 2) * in.CStride
|
||||
for x := 0; x < in.Rect.Max.X-in.Rect.Min.X; x++ {
|
||||
ci := cy + x
|
||||
Pix[off+0] = Y[yy+x]
|
||||
Pix[off+1] = Cb[ci]
|
||||
Pix[off+2] = Cr[ci]
|
||||
off += 3
|
||||
}
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func convertToYCC444(in *image.YCbCr, p *ycc) *ycc {
|
||||
var off int
|
||||
Pix := p.Pix
|
||||
Y := in.Y
|
||||
Cb := in.Cb
|
||||
Cr := in.Cr
|
||||
for y := 0; y < in.Rect.Max.Y-in.Rect.Min.Y; y++ {
|
||||
yy := y * in.YStride
|
||||
cy := y * in.CStride
|
||||
for x := 0; x < in.Rect.Max.X-in.Rect.Min.X; x++ {
|
||||
ci := cy + x
|
||||
Pix[off+0] = Y[yy+x]
|
||||
Pix[off+1] = Cb[ci]
|
||||
Pix[off+2] = Cr[ci]
|
||||
off += 3
|
||||
}
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func convertToYCC411(in *image.YCbCr, p *ycc) *ycc {
|
||||
var off int
|
||||
Pix := p.Pix
|
||||
Y := in.Y
|
||||
Cb := in.Cb
|
||||
Cr := in.Cr
|
||||
for y := 0; y < in.Rect.Max.Y-in.Rect.Min.Y; y++ {
|
||||
yy := y * in.YStride
|
||||
cy := y * in.CStride
|
||||
for x := 0; x < in.Rect.Max.X-in.Rect.Min.X; x++ {
|
||||
ci := cy + x/4
|
||||
Pix[off+0] = Y[yy+x]
|
||||
Pix[off+1] = Cb[ci]
|
||||
Pix[off+2] = Cr[ci]
|
||||
off += 3
|
||||
}
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
||||
func convertToYCC410(in *image.YCbCr, p *ycc) *ycc {
|
||||
var off int
|
||||
Pix := p.Pix
|
||||
Y := in.Y
|
||||
Cb := in.Cb
|
||||
Cr := in.Cr
|
||||
for y := 0; y < in.Rect.Max.Y-in.Rect.Min.Y; y++ {
|
||||
yy := y * in.YStride
|
||||
cy := (y / 2) * in.CStride
|
||||
for x := 0; x < in.Rect.Max.X-in.Rect.Min.X; x++ {
|
||||
ci := cy + x/4
|
||||
Pix[off+0] = Y[yy+x]
|
||||
Pix[off+1] = Cb[ci]
|
||||
Pix[off+2] = Cr[ci]
|
||||
off += 3
|
||||
}
|
||||
}
|
||||
return p
|
||||
}
|
||||
|
|
|
|||
|
|
@ -597,7 +597,7 @@ github.com/mschoch/smat
|
|||
# github.com/msteinert/pam v0.0.0-20151204160544-02ccfbfaf0cc
|
||||
## explicit
|
||||
github.com/msteinert/pam
|
||||
# github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5
|
||||
# github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
|
||||
## explicit
|
||||
github.com/nfnt/resize
|
||||
# github.com/niklasfasching/go-org v1.3.2
|
||||
|
|
|
|||
Loading…
Reference in New Issue