vipsx gallery

source

the input every entry below starts from

Resize

240×300 · 30441 bytes · 246µs

govips: Resize

vips.Resize(im, 0.5, nil)

Resize, nearest neighbour

120×150 · 11031 bytes · 175µs

govips: Resize + KernelNearest

vips.Resize(im, 0.25, &vips.ResizeOptions{
    Kernel: vips.Ptr(vips.KernelNearest),  // KernelNearest is 0, and it is sent
})

ThumbnailImage

320×400 · 47889 bytes · 248µs

govips: Thumbnail

vips.ThumbnailImage(im, 400, nil)

Smartcrop

400×400 · 58133 bytes · 6.815ms

govips: SmartCrop

vips.Smartcrop(im, 400, 400, &vips.SmartcropOptions{
    Interesting: vips.Ptr(vips.InterestingAttention),
})

ExtractArea

320×240 · 25233 bytes · 56µs

govips: Crop / ExtractArea

vips.ExtractArea(im, 80, 80, 320, 240)

Rot

600×480 · 92717 bytes · 28µs

govips: Rotate

vips.Rot(im, vips.AngleD90)

Rotate, arbitrary angle

598×690 · 94240 bytes · 314µs

govips: Similarity

vips.Rotate(im, 12.5, nil)

Flip

480×600 · 92747 bytes · 48µs

govips: Flip

vips.Flip(im, vips.DirectionVertical)

Autorot

480×600 · 92736 bytes · 43µs

govips: AutoRotate

vips.Autorot(im)

Embed

720×720 · 104404 bytes · 38µs

govips: Embed / EmbedBackground

vips.Embed(im, 60, 60, 720, 720, &vips.EmbedOptions{
    Extend: vips.Ptr(vips.ExtendWhite),
})

Gravity

700×700 · 100678 bytes · 34µs

govips: Gravity

vips.Gravity(im, vips.CompassDirectionWest, 700, 700, nil)

Replicate

960×1200 · 368614 bytes · 31µs

govips: Replicate

vips.Replicate(im, 2, 2)

Zoom

960×1200 · 272240 bytes · 38µs

govips: Zoom

vips.Zoom(im, 2, 2)

Gaussblur

480×600 · 41827 bytes · 570µs

govips: GaussianBlur

vips.Gaussblur(im, 4.0, nil)

Sharpen

480×600 · 123768 bytes · 1.138ms

govips: Sharpen

vips.Sharpen(im, &vips.SharpenOptions{
    Sigma: vips.Ptr(1.5), M2: vips.Ptr(8.0),
})

Sobel

480×600 · 221987 bytes · 635µs

govips: Sobel

vips.Sobel(im)

Canny

480×600 · 63659 bytes · 1.007ms

govips: (not in govips)

vips.Canny(im, &vips.CannyOptions{Sigma: vips.Ptr(1.4)})

Invert

480×600 · 92774 bytes · 65µs

govips: Invert

vips.Invert(im)

Gamma

480×600 · 100559 bytes · 180µs

govips: Gamma

vips.Gamma(im, &vips.GammaOptions{Exponent: vips.Ptr(2.2)})

Linear

480×600 · 88239 bytes · 90µs

govips: Linear / Linear1

vips.Linear(im, []float64{1.4, 1, 0.8}, []float64{-20, 0, 20}, nil)

Colourspace to b-w

480×600 · 65018 bytes · 60µs

govips: ToColorSpace

vips.Colourspace(im, vips.InterpretationBW, nil)

Rank, median filter

480×600 · 67557 bytes · 335µs

govips: Rank

vips.Rank(im, 5, 5, 12)

Recomb, sepia

480×600 · 78939 bytes · 1.475ms

govips: Recomb

m, _ := matrix3x3(sepia...)
vips.Recomb(im, m)

HistEqual

480×600 · 125888 bytes · 1.723ms

govips: HistogramNormalise

vips.HistEqual(im, nil)

HistFind on band 0

256×256 · 5301 bytes · 1.876ms

govips: HistogramFind

hist, _ := vips.HistFind(im, &vips.HistFindOptions{
    Band: vips.Ptr(0),  // band 0, not every band
})
norm, _ := vips.HistNorm(hist)
vips.HistPlot(norm)

Flatten onto red

480×600 · 92736 bytes · 299µs

govips: Flatten

// bandjoin_const rather than addalpha: addalpha only became an
// operation after 8.15, and this runs on 8.12 too.
rgba, _ := vips.BandjoinConst(im, []float64{255})
vips.Flatten(rgba, &vips.FlattenOptions{
    Background: vips.Ptr([]float64{255, 0, 0}),
})

ExtractBand

480×600 · 66944 bytes · 37µs

govips: ExtractBand

vips.ExtractBand(im, 0, nil)

BandjoinConst

480×600 · 92928 bytes · 132µs

govips: BandJoinConst

vips.BandjoinConst(im, []float64{128})

Composite2, saturate

480×600 · 92736 bytes · 1.111ms

govips: Composite

blur, _ := vips.Gaussblur(im, 12.0, nil)
vips.Composite2(im, blur, vips.BlendModeSaturate, nil)

Text over an image

480×600 · 93160 bytes · 127.54ms

govips: Label

txt, _ := vips.Text("vipsx", &vips.TextOptions{
    Font: vips.Ptr("sans bold 72"), Rgba: vips.Ptr(true),
})
base, _ := vips.BandjoinConst(im, []float64{255})
vips.Composite2(base, txt, vips.BlendModeOver, &vips.Composite2Options{
    X: vips.Ptr(40), Y: vips.Ptr(40),
})

DrawRect

480×600 · 96220 bytes · 1.939ms

govips: DrawRect

own, _ := vips.Copy(im, nil)   // draw_* mutate in place
vips.DrawRect(own, []float64{255, 0, 0}, 60, 60, 300, 200, nil)

Arrayjoin

960×600 · 161885 bytes · 494µs

govips: ArrayJoin

gray, _ := vips.Colourspace(im, vips.InterpretationBW, nil)
back, _ := vips.Colourspace(gray, vips.InterpretationSrgb, nil)
vips.Arrayjoin([]*vips.Image{im, back}, &vips.ArrayjoinOptions{
    Across: vips.Ptr(2),
})

Similarity

394×437 · 46483 bytes · 448µs

govips: Similarity

vips.Similarity(im, &vips.SimilarityOptions{
    Scale: vips.Ptr(0.6), Angle: vips.Ptr(20.0),
})

Affine, shear

660×600 · 95013 bytes · 289µs

govips: (not in govips)

vips.Affine(im, []float64{1, 0.3, 0, 1}, nil)

Falsecolour

480×600 · 238517 bytes · 243µs

govips: (not in govips)

gray, _ := vips.Colourspace(im, vips.InterpretationBW, nil)
vips.Falsecolour(gray)