resize

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v0.0.0-...-7c3cb44 Latest Latest Go to latest Published: Sep 24, 2021 License: MIT Imports: 2 Imported by: 0

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func Resize(width, height uint, img image.Image, interp r.InterpolationFunction) image.Image

Resize 使用插值函数 interp 将图像缩放到新的宽度和高度。将返回具有给定尺寸的新图像。如果参数宽度或高度之一设置为 0，则将计算其大小，以便纵横比是原始图像的纵横比。调整大小算法使用通道进行并行计算。如果输入图像的宽度或高度为 0，则原样返回。

func Thumbnail(maxWidth, maxHeight uint, img image.Image, interp r.InterpolationFunction) image.Image

Thumbnail 将提供的图像缩小到最大宽度和高度，保留原始纵横比并使用插值函数 interp。如果原始尺寸已经小于提供的约束，它将返回原始图像，而不对其进行处理。

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