nfnt/resize/resize.go

83 …scaleX, scaleY := calcFactors(width, height, float64(img.Bounds().Dx()), float64(img.Bounds().Dy()…
85 		width = uint(0.7 + float64(img.Bounds().Dx())/scaleX)
102 		return resizeNearest(width, height, scaleX, scaleY, img, interp)
118 		coeffs, offset, filterLength := createWeights8(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
124 				resizeRGBA(input, slice, scaleX, coeffs, offset, filterLength)
147 		coeffs, offset, filterLength := createWeights8(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
153 				resizeNRGBA(input, slice, scaleX, coeffs, offset, filterLength)
178 		coeffs, offset, filterLength := createWeights8(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
185 				resizeYCbCr(in, slice, scaleX, coeffs, offset, filterLength)
207 		coeffs, offset, filterLength := createWeights16(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
213 				resizeRGBA64(input, slice, scaleX, coeffs, offset, filterLength)
236 		coeffs, offset, filterLength := createWeights16(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
242 				resizeNRGBA64(input, slice, scaleX, coeffs, offset, filterLength)
265 		coeffs, offset, filterLength := createWeights8(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
271 				resizeGray(input, slice, scaleX, coeffs, offset, filterLength)
294 		coeffs, offset, filterLength := createWeights16(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
300 				resizeGray16(input, slice, scaleX, coeffs, offset, filterLength)
323 		coeffs, offset, filterLength := createWeights16(temp.Bounds().Dy(), taps, blur, scaleX, kernel)
329 				resizeGeneric(img, slice, scaleX, coeffs, offset, filterLength)
349 func resizeNearest(width, height uint, scaleX, scaleY float64, img image.Image, interp Interpolatio…  argument
361 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
367 				nearestRGBA(input, slice, scaleX, coeffs, offset, filterLength)
390 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
396 				nearestNRGBA(input, slice, scaleX, coeffs, offset, filterLength)
420 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
427 				nearestYCbCr(in, slice, scaleX, coeffs, offset, filterLength)
449 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
455 				nearestRGBA64(input, slice, scaleX, coeffs, offset, filterLength)
478 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
484 				nearestNRGBA64(input, slice, scaleX, coeffs, offset, filterLength)
507 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
513 				nearestGray(input, slice, scaleX, coeffs, offset, filterLength)
536 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
542 				nearestGray16(input, slice, scaleX, coeffs, offset, filterLength)
565 		coeffs, offset, filterLength := createWeightsNearest(temp.Bounds().Dy(), taps, blur, scaleX)
571 				nearestGeneric(img, slice, scaleX, coeffs, offset, filterLength)
593 func calcFactors(width, height uint, oldWidth, oldHeight float64) (scaleX, scaleY float64) {
596 			scaleX = 1.0
600 			scaleX = scaleY
603 		scaleX = oldWidth / float64(width)
605 			scaleY = scaleX