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Change image rendering in kino
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akash-akya committed Jul 26, 2024
1 parent 4dea947 commit 14bdb0c
Showing 1 changed file with 56 additions and 19 deletions.
75 changes: 56 additions & 19 deletions lib/vix/vips/image.ex
Original file line number Diff line number Diff line change
Expand Up @@ -1224,31 +1224,68 @@ defmodule Vix.Vips.Image do
alias Vix.Vips.Image

def to_livebook(image) do
attributes = attributes_from_image(image)
{:ok, encoded} = Image.write_to_buffer(image, ".png")
image = Kino.Image.new(encoded, :png)
tabs = Kino.Layout.tabs(Image: image, Attributes: attributes)
Kino.Render.to_livebook(tabs)
{:ok, buf} = Image.write_to_buffer(image, ".png")

Kino.Layout.grid([Kino.Image.new(buf, "image/png"), image_info(image)])
|> Kino.Render.to_livebook()
end

defp attributes_from_image(image) do
data =
for field <- ~w(width height bands interpretation format filename) do
case Image.header_value(image, field) do
{:ok, value} ->
{String.capitalize(field), value}
defp image_info(image) do
height = Image.height(image)
width = Image.width(image)

{:error, _error} ->
nil
end
filename =
case Image.header_value(image, "filename") do
{:ok, filename} -> Path.basename(filename)
{:error, _} -> ""
end
|> Enum.filter(& &1)

data =
(data ++ [{"Has alpha band?", Image.has_alpha?(image)}])
|> Enum.map(fn {k, v} -> [{"Attribute", k}, {"Value", v}] end)
"""
<span style="color: #61758a; background-color: #e1e8f0; border-radius: .5rem; padding: .1rem;">
<code style="padding: .5rem; vertical-align: middle; line-height: 1.25rem;">
#{filename}, #{width}x#{height} #{format(image)}, #{Image.bands(image)} bands, #{interpretation(image)}
</code>
</span>
"""
|> Kino.HTML.new()
end

Kino.DataTable.new(data, name: "Image Metadata")
defp format(image) do

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Function is too complex (cyclomatic complexity is 11, max is 9).
case Image.format(image) do
:VIPS_FORMAT_UCHAR -> "8-bit unsigned integer"
:VIPS_FORMAT_CHAR -> "8-bit signed integer"
:VIPS_FORMAT_USHORT -> "16-bit unsigned integer"
:VIPS_FORMAT_SHORT -> "16-bit signed integer"
:VIPS_FORMAT_UINT -> "32-bit unsigned integer"
:VIPS_FORMAT_INT -> "32-bit signed integer"
:VIPS_FORMAT_FLOAT -> "32-bit float"
:VIPS_FORMAT_COMPLEX -> "64-bit complex"
:VIPS_FORMAT_DOUBLE -> "64-bit float"
:VIPS_FORMAT_DPCOMPLEX -> "128-bit complex"
end
end

defp interpretation(image) do

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Function is too complex (cyclomatic complexity is 19, max is 9).
case Image.interpretation(image) do
:VIPS_INTERPRETATION_MULTIBAND -> "multiband"
:VIPS_INTERPRETATION_B_W -> "mono"
:VIPS_INTERPRETATION_HISTOGRAM -> "histogram"
:VIPS_INTERPRETATION_XYZ -> "XYZ"
:VIPS_INTERPRETATION_LAB -> "Lab"
:VIPS_INTERPRETATION_CMYK -> "CMYK"
:VIPS_INTERPRETATION_LABQ -> "LabQ"
:VIPS_INTERPRETATION_RGB -> "RGB"
:VIPS_INTERPRETATION_UCS -> "UCS"
:VIPS_INTERPRETATION_LCH -> "LCh"
:VIPS_INTERPRETATION_LABS -> "LabS"
:VIPS_INTERPRETATION_sRGB -> "sRGB"
:VIPS_INTERPRETATION_YXY -> "Yxy"
:VIPS_INTERPRETATION_FOURIER -> "Fourier"
:VIPS_INTERPRETATION_RGB16 -> "RGB16"
:VIPS_INTERPRETATION_GREY16 -> "GREY16"
:VIPS_INTERPRETATION_ARRAY -> "Array"
:VIPS_INTERPRETATION_scRGB -> "scRGB"
end
end
end
end
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