nfnt/resize/resize.go

83 …scaleX, scaleY := calcFactors(width, height, float64(img.Bounds().Dx()), float64(img.Bounds().Dy()…
88 		height = uint(0.7 + float64(img.Bounds().Dy())/scaleY)
102 		return resizeNearest(width, height, scaleX, scaleY, img, interp)
130 		coeffs, offset, filterLength = createWeights8(result.Bounds().Dy(), taps, blur, scaleY, kernel)
136 				resizeRGBA(temp, slice, scaleY, coeffs, offset, filterLength)
159 		coeffs, offset, filterLength = createWeights8(result.Bounds().Dy(), taps, blur, scaleY, kernel)
165 				resizeRGBA(temp, slice, scaleY, coeffs, offset, filterLength)
190 		coeffs, offset, filterLength = createWeights8(result.Bounds().Dy(), taps, blur, scaleY, kernel)
196 				resizeYCbCr(temp, slice, scaleY, coeffs, offset, filterLength)
219 		coeffs, offset, filterLength = createWeights16(result.Bounds().Dy(), taps, blur, scaleY, kernel)
225 				resizeRGBA64(temp, slice, scaleY, coeffs, offset, filterLength)
248 		coeffs, offset, filterLength = createWeights16(result.Bounds().Dy(), taps, blur, scaleY, kernel)
254 				resizeRGBA64(temp, slice, scaleY, coeffs, offset, filterLength)
277 		coeffs, offset, filterLength = createWeights8(result.Bounds().Dy(), taps, blur, scaleY, kernel)
283 				resizeGray(temp, slice, scaleY, coeffs, offset, filterLength)
306 		coeffs, offset, filterLength = createWeights16(result.Bounds().Dy(), taps, blur, scaleY, kernel)
312 				resizeGray16(temp, slice, scaleY, coeffs, offset, filterLength)
335 		coeffs, offset, filterLength = createWeights16(result.Bounds().Dy(), taps, blur, scaleY, kernel)
341 				resizeRGBA64(temp, slice, scaleY, coeffs, offset, filterLength)
349 func resizeNearest(width, height uint, scaleX, scaleY float64, img image.Image, interp Interpolatio…
373 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
379 				nearestRGBA(temp, slice, scaleY, coeffs, offset, filterLength)
402 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
408 				nearestNRGBA(temp, slice, scaleY, coeffs, offset, filterLength)
432 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
438 				nearestYCbCr(temp, slice, scaleY, coeffs, offset, filterLength)
461 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
467 				nearestRGBA64(temp, slice, scaleY, coeffs, offset, filterLength)
490 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
496 				nearestNRGBA64(temp, slice, scaleY, coeffs, offset, filterLength)
519 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
525 				nearestGray(temp, slice, scaleY, coeffs, offset, filterLength)
548 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
554 				nearestGray16(temp, slice, scaleY, coeffs, offset, filterLength)
577 		coeffs, offset, filterLength = createWeightsNearest(result.Bounds().Dy(), taps, blur, scaleY)
583 				nearestRGBA64(temp, slice, scaleY, coeffs, offset, filterLength)
593 func calcFactors(width, height uint, oldWidth, oldHeight float64) (scaleX, scaleY float64) {
597 			scaleY = 1.0
599 			scaleY = oldHeight / float64(height)
600 			scaleX = scaleY
605 			scaleY = scaleX
607 			scaleY = oldHeight / float64(height)