Thumbelina

View Source Thumbelina (Thumbelina v0.0.2)

Image manipulation api.

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Types

result()

Functions

blur(image, sigma)
brighten(image, brightness)
crop(image, width, height)
flip(image, direction)
greyscale(image)
open(path)
open_all!(path)
resize(image, width, height)
rotate(image, angle)
stream_directory!(path, bytes \\ 65536)

If dealing with a large amount of files on disk and you wouldn't like to use File.open/1 due to the number of open file descriptors and would like control over how many bytes are read into memory at a time. Defaults to 2 ** 16 bytes or ~65kb.

thumbnail(image, new_width, new_height)

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result()

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@type result() :: {:ok, Thumbelina.Image.t()} | {:error, String.t()}

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blur(image, sigma)

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@spec blur(Thumbelina.Image.t(), float()) :: result()
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brighten(image, brightness)

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@spec brighten(Thumbelina.Image.t(), pos_integer()) :: result()
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crop(image, width, height)

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@spec crop(Thumbelina.Image.t(), pos_integer(), pos_integer()) :: result()
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flip(image, direction)

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@spec flip(Thumbelina.Image.t(), :vertical | :horizontal) :: result()
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greyscale(image)

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@spec greyscale(Thumbelina.Image.t()) :: result()
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open(path)

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@spec open(String.t()) :: result()
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open_all!(path)

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@spec open_all!(String.t()) :: [Enumerable.t()]
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resize(image, width, height)

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@spec resize(Thumbelina.Image.t(), pos_integer(), pos_integer()) :: result()
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rotate(image, angle)

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@spec rotate(Thumbelina.Image.t(), pos_integer()) :: result()
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stream_directory!(path, bytes \\ 65536)

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@spec stream_directory!(String.t(), pos_integer()) :: [Enumerable.t()]

If dealing with a large amount of files on disk and you wouldn't like to use File.open/1 due to the number of open file descriptors and would like control over how many bytes are read into memory at a time. Defaults to 2 ** 16 bytes or ~65kb.

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thumbnail(image, new_width, new_height)

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@spec thumbnail(Thumbelina.Image.t(), pos_integer(), pos_integer()) :: result()