有没有CMYK图形库?

问题描述

我正在寻找具有CMYK支持(JPG或TIF)的图形库.我必须先读取一个大图像文件，再读取一个小图像文件，然后再写第二个.输出也必须是CMYK(不进行任何CMYK-> RGB转换).有吗(C#/C ++/Java或其他)

I'm looking for graphics library with CMYK support(JPG or TIF). I have to read one big image file and one small, then write second on first. Output have to be also CMYK(without any CMYK->RGB conversion). There are any? (C#/C++/Java or somthing else)

推荐答案

(免责声明，我为Atalasoft工作) Atalasoft dotImage 将以CMYK格式读写图像，并在CMYK空间中执行叠加操作.

(Disclaimer, I work for Atalasoft)Atalasoft dotImage will read and write images in as CMYK as well as perform overlay operations in CMYK space.

您需要执行的代码是:

public void OverlayCMYKOnCMYK(Stream bottomStm, Stream topStm, Point location, Steam outStm)
{
    using (AtalaImage bottom = new AtalaImage(bottomStm, null), top = new AtalaImage(topStm, null)) {
        // might want to check that both bottom and top have the same PixelFormat
        // OverlayCommand will silently do conversions if they don't match.
        OverlayCommand overlay = new OverlayCommand(top, location);
        overlay.Apply(bottom);
        bottom.Save(outStm, new TiffEncoder(), null);
   }
}

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