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56 changes: 56 additions & 0 deletions CHANGELOG.md
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# ImageTransformations

## Version `v0.9.0`

This release contains numerous enhancements as well as quite a few deprecations. There are also
internal changes that may cause small numerical differences from previous versions; these may be
most obvious at the borders of the image, where decisions about inbounds/out-of-bounds can determine
whether a "fill-value" is used instead of interpolation.

- ![BREAKING][badge-breaking] Previously, `SubArray` passed to `invwarpedview` will use out-of-domain values to build a better result on the border. This violated the array abstraction and has therefore been removed. ([#138][github-138])
- ![BREAKING][badge-breaking] Rounding for numerical stability in `warp` is now applied to the corner points instead of to the transformation coefficients. ([#143][github-143])
- ![Deprecation][badge-deprecation] `degree` and `fill` arguments are deprecated in favor of their keyword versions `method` and `fillvalue`. ([#116][github-116])
- ![Deprecation][badge-deprecation] `invwarpedview` is deprecated in favor of `InvWarpedView`. ([#116][github-116], [#138][github-138])
- ![Deprecation][badge-deprecation] `warpedview` is deprecated in favor of `WarpedView`. ([#116][github-116])
- ![Enhancement][badge-enhancement] `restrict`/`restrict!` are moved to more lightweight package [ImageBase.jl]. ([#127][github-127])
- ![Enhancement][badge-enhancement] `imresize` now works on transparent colorant types(e.g., `ARGB`). ([#126][github-126])
- ![Enhancement][badge-enhancement] `restrict` now works on 0-argument colorant types(e.g., `ARGB32`). ([ImageBase#3][github-base-3])
- ![Bugfix][badge-bugfix] Interpolations v0.13.3 compatibility (though 0.13.4 is now required). ([#132][github-132])
- ![Bugfix][badge-bugfix] `restrict` on singleton dimension is now a no-op. ([ImageBase#8][github-base-8])
- ![Bugfix][badge-bugfix] `restrict` on `OffsetArray` always returns an `OffsetArray` result. ([ImageBase#4][github-base-4])

[github-143]: https://github.com/JuliaImages/ImageTransformations.jl/pull/143
[github-138]: https://github.com/JuliaImages/ImageTransformations.jl/pull/138
[github-132]: https://github.com/JuliaImages/ImageTransformations.jl/pull/132
[github-127]: https://github.com/JuliaImages/ImageTransformations.jl/pull/127
[github-126]: https://github.com/JuliaImages/ImageTransformations.jl/pull/126
[github-116]: https://github.com/JuliaImages/ImageTransformations.jl/pull/116
[github-base-8]: https://github.com/JuliaImages/ImageBase.jl/pull/8
[github-base-4]: https://github.com/JuliaImages/ImageBase.jl/pull/4
[github-base-3]: https://github.com/JuliaImages/ImageBase.jl/pull/3


[ImageBase.jl]: https://github.com/JuliaImages/ImageBase.jl


[badge-breaking]: https://img.shields.io/badge/BREAKING-red.svg
[badge-deprecation]: https://img.shields.io/badge/deprecation-orange.svg
[badge-feature]: https://img.shields.io/badge/feature-green.svg
[badge-enhancement]: https://img.shields.io/badge/enhancement-blue.svg
[badge-bugfix]: https://img.shields.io/badge/bugfix-purple.svg
[badge-security]: https://img.shields.io/badge/security-black.svg
[badge-experimental]: https://img.shields.io/badge/experimental-lightgrey.svg
[badge-maintenance]: https://img.shields.io/badge/maintenance-gray.svg

<!--
# Badges

![BREAKING][badge-breaking]
![Deprecation][badge-deprecation]
![Feature][badge-feature]
![Enhancement][badge-enhancement]
![Bugfix][badge-bugfix]
![Security][badge-security]
![Experimental][badge-experimental]
![Maintenance][badge-maintenance]
-->
2 changes: 1 addition & 1 deletion Project.toml
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name = "ImageTransformations"
uuid = "02fcd773-0e25-5acc-982a-7f6622650795"
version = "0.8.12"
version = "0.9.0"

[deps]
AxisAlgorithms = "13072b0f-2c55-5437-9ae7-d433b7a33950"
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3 changes: 0 additions & 3 deletions src/ImageTransformations.jl
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Expand Up @@ -8,10 +8,7 @@ using Interpolations, AxisAlgorithms
using OffsetArrays
using ColorVectorSpace

import Base: eltype, size, length
using Base: tail, Indices
using Base.Cartesian
using .ColorTypes: AbstractGray, TransparentGray, TransparentRGB

# these two symbols previously live in ImageTransformations
import ImageBase: restrict, restrict!
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6 changes: 3 additions & 3 deletions src/autorange.jl
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Expand Up @@ -54,12 +54,12 @@ struct CornerIterator{I<:CartesianIndex}
end
CornerIterator(R::CartesianIndices) = CornerIterator(first(R), last(R))

eltype(::Type{CornerIterator{I}}) where {I} = I
Base.eltype(::Type{CornerIterator{I}}) where {I} = I
Base.Iterators.IteratorSize(::Type{CornerIterator{I}}) where {I<:CartesianIndex{N}} where {N} = Base.Iterators.HasShape{N}()

# in 0.6 we could write: 1 .+ (iter.stop.I .- iter.start.I .!= 0)
size(iter::CornerIterator{CartesianIndex{N}}) where {N} = ntuple(d->iter.stop.I[d]-iter.start.I[d]==0 ? 1 : 2, Val(N))::NTuple{N,Int}
length(iter::CornerIterator) = prod(size(iter))
Base.size(iter::CornerIterator{CartesianIndex{N}}) where {N} = ntuple(d->iter.stop.I[d]-iter.start.I[d]==0 ? 1 : 2, Val(N))::NTuple{N,Int}
Base.length(iter::CornerIterator) = prod(size(iter))

@inline function Base.iterate(iter::CornerIterator{<:CartesianIndex})
if any(map(>, iter.start.I, iter.stop.I))
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15 changes: 10 additions & 5 deletions src/compat.jl
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Expand Up @@ -6,8 +6,13 @@
@inline isnothing(x) = x === nothing
end

# FIXME: upstream https://github.com/JuliaGraphics/ColorVectorSpace.jl/issues/75
@inline _nan(::Type{HSV{Float16}}) = HSV{Float16}(NaN16,NaN16,NaN16)
@inline _nan(::Type{HSV{Float32}}) = HSV{Float32}(NaN32,NaN32,NaN32)
@inline _nan(::Type{HSV{Float64}}) = HSV{Float64}(NaN,NaN,NaN)
@inline _nan(::Type{T}) where {T} = nan(T)
if hasmethod(nan, Tuple{Type{HSV{Float32},}})
# requires ColorTypes v0.11 and ColorVectorSpace v0.9.4
# https://github.com/JuliaGraphics/ColorVectorSpace.jl/issues/75
@inline _nan(::Type{T}) where T = nan(T)
else
@inline _nan(::Type{HSV{Float16}}) = HSV{Float16}(NaN16,NaN16,NaN16)
@inline _nan(::Type{HSV{Float32}}) = HSV{Float32}(NaN32,NaN32,NaN32)
@inline _nan(::Type{HSV{Float64}}) = HSV{Float64}(NaN,NaN,NaN)
@inline _nan(::Type{T}) where {T} = nan(T)
end