为什么 Ghostscript 不喜欢我的 PDF 的 ICC 配置文件?

Leo*_*lis 1 imagemagick ghostscript

我可以运行以下 GhostScript 成功地将多个 PDF 合并到一个文件中:

gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=test.pdf file1.pdf file2.pdf file3.pdf
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我还需要向 PDF 添加自定义叠加层,因此我执行以下操作:

convert -density 300 -quality 100 file1.pdf -font /usr/share/fonts/urw-base35/NimbusSansNarrow-Regular.otf -pointsize 15 -fill '#000000' -draw 'rectangle 21,1114,675,1220' -fill white -annotate +440+1160 '1 / 3' -annotate +34+1213 'file1.pdf' file1_a.pdf
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...对于每个 PDF,然后我再次运行第一个gs命令来合并这些带注释的 PDF,但是当我这样做时,我收到以下错误:

   **** Error: ICCbased space /N value does not match the ICC profile.
                 Using the number of channels from the profile.
                 Output may be incorrect.
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我确实找到了一些看起来相关的东西,表明 PDF 是错误的:https://bugs.ghostscript.com/show_bug.cgi ?id=697223

好吧,从根本上来说,您的 PDF 文件已损坏。它使用ICCBased色彩空间,并且色彩空间中声明的分量数量与ICC配置文件的实际内容不匹配。

如果这确实与我的情况有关,我不确定这是否是我注释后的 PDF,或者原始文件中是否已经存在某些底层内容(上面示例中的 file1.pdf 等)。如前所述,当我只处理原始文件时,它们可以工作,但在注释它们之后就不行了。

奇怪的是,这种情况在今天下午 3 点左右开始发生,在当天早些时候大约 2 小时前成功运行之后,没有发生任何代码或环境更改,而且它已经以这种方式运行了几个月,没有出现任何问题。原始 PDF 来自外部来源。

接下来我可以在哪里查找以找出此问题的原因?

更新

以下是注释前后单个文件之一的转储:

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    date:modify: 2020-07-09T10:15:48+00:00
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Run Code Online (Sandbox Code Playgroud)

Image: 1160914_a.pdf
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         1: (    0,    0,    0,44204) #000000000000ACAC srgba(0,0,0,0.67451)
         1: (    0,    0,    0,42662) #000000000000A6A6 srgba(0,0,0,0.65098)
         1: (    0,    0,    0,41891) #000000000000A3A3 srgba(0,0,0,0.639216)
         1: (    0,    0,    0,39578) #0000000000009A9A srgba(0,0,0,0.603922)
         1: (    0,    0,    0,30583) #0000000000007777 srgba(0,0,0,0.466667)
         1: (    0,    0,    0,21845) #0000000000005555 srgba(0,0,0,0.333333)
         1: (    0,    0,    0,17990) #0000000000004646 srgba(0,0,0,0.27451)
         1: (    0,    0,    0,18247) #0000000000004747 srgba(0,0,0,0.278431)
         1: (    0,    0,    0,16962) #0000000000004242 srgba(0,0,0,0.258824)
         1: (    0,    0,    0,14392) #0000000000003838 srgba(0,0,0,0.219608)
         1: (    0,    0,    0,10794) #0000000000002A2A srgba(0,0,0,0.164706)
         1: (    0,    0,    0,10537) #0000000000002929 srgba(0,0,0,0.160784)
         1: (    0,    0,    0, 6682) #0000000000001A1A srgba(0,0,0,0.101961)
         1: (    0,    0,    0, 3855) #0000000000000F0F srgba(0,0,0,0.0588235)
         1: (    0,    0,    0, 3341) #0000000000000D0D srgba(0,0,0,0.0509804)
         1: (    0,    0,    0, 1028) #0000000000000404 srgba(0,0,0,0.0156863)
         1: (    0,    0, 5654,65535) #000000001616FFFF srgba(0,0,22,1)
         1: (    0,    0,13364,65535) #000000003434FFFF srgba(0,0,52,1)
         1: (    0,    0,16191,    0) #000000003F3F0000 srgba(0,0,63,0)
         1: (    0,    0,16448,65535) #000000004040FFFF srgba(0,0,64,1)
         1: (    0,    0,20046,    0) #000000004E4E0000 srgba(0,0,78,0)
         1: (    0,    0,25186,    0) #0000000062620000 srgba(0,0,98,0)
         1: (    0,    0,33153,    0) #0000000081810000 srgba(0,0,129,0)
         1: (    0,    0,37779,    0) #0000000093930000 srgba(0,0,147,0)
         1: (    0,    0,40349,    0) #000000009D9D0000 srgba(0,0,157,0)
         1: (    0,    0,46774,    0) #00000000B6B60000 srgba(0,0,182,0)
         1: (    0,    0,49601,    0) #00000000C1C10000 srgba(0,0,193,0)
         1: (    0,    0,52171,    0) #00000000CBCB0000 srgba(0,0,203,0)
         1: (    0,  257,59881,    0) #00000101E9E90000 srgba(0,1,233,0)
         1: (    0, 1285,55512,    0) #00000505D8D80000 srgba(0,5,216,0)
         1: (    0, 3084,64250,65535) #00000C0CFAFAFFFF srgba(0,12,250,1)
         1: (    0, 7967,63736,65535) #00001F1FF8F8FFFF srgba(0,31,248,1)
         1: (    0,10280,64764,17476) #00002828FCFC4444 srgba(0,40,252,0.266667)
         1: (    0,11822,65021,    0) #00002E2EFDFD0000 srgba(0,46,253,0)
         8: (    0,12079,65535,    0) #00002F2FFFFF0000 srgba(0,47,255,0)
         1: (    0,14392,65535,    0) #00003838FFFF0000 srgba(0,56,255,0)
         4: (    0,16191,65535,    0) #00003F3FFFFF0000 srgba(0,63,255,0)
         1: (    0,17990,65535,    0) #00004646FFFF0000 srgba(0,70,255,0)
         1: (    0,18761,65535,65535) #00004949FFFFFFFF srgba(0,73,255,1)
         2: (    0,20817,65535,    0) #00005151FFFF0000 srgba(0,81,255,0)
         1: (    0,33410,65535,    0) #00008282FFFF0000 srgba(0,130,255,0)
         1: (    0,41377,65535,65535) #0000A1A1FFFFFFFF srgba(0,161,255,1)
         1: (    0,42919,65535,    0) #0000A7A7FFFF0000 srgba(0,167,255,0)
         1: (    0,52171,65535,    0) #0000CBCBFFFF0000 srgba(0,203,255,0)
         2: (    0,53199,65535,    0) #0000CFCFFFFF0000 srgba(0,207,255,0)
         1: (    0,57054,65535,    0) #0000DEDEFFFF0000 srgba(0,222,255,0)
         1: (    0,58853,65535,    0) #0