Julia 将RGB值的矩阵另存为图像

假设我有

c = RGB{Normed{UInt8,8}}[
        RGB{N0f8}(1.0,1.0,1.0) RGB{N0f8}(0.0,0.502,0.0) RGB{N0f8}(1.0,0.0,0.0);
        RGB{N0f8}(1.0,0.0,0.0) RGB{N0f8}(1.0,1.0,1.0) RGB{N0f8}(0.0,0.0,0.0);
        RGB{N0f8}(0.0,0.502,0.0) RGB{N0f8}(0.0,0.0,0.0) RGB{N0f8}(0.0,0.502,0.0)]

如何将其保存为PNG或JPG格式的图像

请注意，我不只是需要这些颜色的9个像素，而是更大的图片。比如：

---

您可以使用

Images.jl

软件包中的

save

功能（还应安装

FileIO.jl

和

ImageMagick.jl

进行必要的转换）。要将其保存为更大的图片，您应借助

repeat

功能手动将阵列调整为所需大小

using Images

c = RGB{Normed{UInt8,8}}[
        RGB{N0f8}(1.0,1.0,1.0) RGB{N0f8}(0.0,0.502,0.0) RGB{N0f8}(1.0,0.0,0.0);
        RGB{N0f8}(1.0,0.0,0.0) RGB{N0f8}(1.0,1.0,1.0) RGB{N0f8}(0.0,0.0,0.0);
        RGB{N0f8}(0.0,0.502,0.0) RGB{N0f8}(0.0,0.0,0.0) RGB{N0f8}(0.0,0.502,0.0)]

c2 = repeat(c, inner = (50, 50))

save("/tmp/test.png", c2)

---

这里50x50 in

c2

定义是单个单元格的像素大小。

这就是我现在要做的事情。：）有一个自定义的重复功能，谢谢你指出！