corlinus/prawn-graph
Prawn::Graph adds straightforward native graph drawing to Prawn without the need to depend on anything else. All generated graphs are pure PDF Vector Images. It results in smaller document sizes and less complication.
This library is a wrapper for the Exiftool command-line application (http://www.sno.phy.queensu.ca/~phil/exiftool/) written by Phil Harvey. You will get the full power of Exiftool to Ruby: Reading and writing of EXIF-data, IPTC-data and XMP-data.
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Prawn::Graph adds straightforward native graph drawing to Prawn without the need to depend on anything else. All generated graphs are pure PDF Vector Images. It results in smaller document sizes and less complication.
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