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Comparing Microsoft Word renderings with PDF export

Comparing Office document renderings

Sometime ago I came up with the idea of automated comparison of how different Office applications render Microsoft documents. Here is some output and thoughts.

office2007beta2/4-1-1-23.tiff abiword/4-1-1-23.tiff:  89.45% similar.
office2007beta2/2-19-1-1.tiff freepdfconvert/2-19-1-1.tiff:  98.44% similar.
office2007beta2/2-19-14-7.tiff freepdfconvert/2-19-14-7.tiff:  99.61% similar.
office2007beta2/4-1-1-23.tiff freepdfconvert/4-1-1-23.tiff:  96.48% similar.
office2007beta2/2-19-1-1.tiff neevia/2-19-1-1.tiff:  98.44% similar.
office2007beta2/2-19-14-7.tiff neevia/2-19-14-7.tiff:  99.61% similar.
office2007beta2/4-1-1-23.tiff neevia/4-1-1-23.tiff:  94.92% similar.
office2007beta2/2-19-1-1.tiff OO/2-19-1-1.tiff:  91.80% similar.
office2007beta2/2-19-14-7.tiff OO/2-19-14-7.tiff:  99.22% similar.
office2007beta2/4-1-1-23.tiff OO/4-1-1-23.tiff:  88.28% similar.

If there is a way to hack Microsoft Office 2007beta2 to create (correct) PDFs from them command (cmd) line, then this technique has a hope. I can’t be bothered to go through hundreds of test cases. Since Neevia and “freepdfconvert” are so close to Microsoft Office2007 renderings in my tests, perhaps they could be used as a base reference.