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[]byteからpngか判断

Go
画像

Posted at 2018-10-22

func isPng(image []byte) bool {
	imageHead := image[0:8]
	var pngHead = []byte{0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A}
	return reflect.DeepEqual(imageHead, pngHead)
}

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