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ImageDataメモ

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概要

ImageDataインターフェースのメモ

ImageDataインターフェース

CanvasRenderingContext2D.getImageData()で取得したデータの形式

プロパティ

height

高さのピクセル数
型はunsigned longとのことだが、JavaScriptではnumber

width

幅のピクセル数
型はunsigned longとのことだが、JavaScriptではnumber

data

画像データの一次元配列。
RGBAの順番でデータ(Uint8ClampedArray)が格納されている。

  • R: Red
  • G: Green
  • B: Blue
  • A: Alpha ※ 透過度 (数が小さいほど透過度が高い)

イメージ画像(3x3の画像の場合)
9B2D2536-1C5D-489E-90E1-8498F630EBB1.jpg

参考

ImageData

Miracle-T-Shirt09
ベンチプレス:80kg、デッドリフト:130kg、スクワット:190kg。MDD(Muscle-Driven Development)エバンジェリスト。 https://twitter.com/MiracleTShirt09
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