Support mult-data charts and legend.
authorJohn Darrington <john@darrington.wattle.id.au>
Tue, 9 Jun 2009 11:04:25 +0000 (19:04 +0800)
committerJohn Darrington <john@darrington.wattle.id.au>
Tue, 9 Jun 2009 11:04:25 +0000 (19:04 +0800)
commitf7db18ef6a7e50bda368cf9a9288db58446f04c2
tree2491d09558e0c9191ae02e13daffdbf58eca8d30
parenteccddce2d2e67e7ddcdbd93d969ef4c5b6efdb28
Support mult-data charts and legend.

Add support for charts to have datasets with seperate
colours, and a legend to indicate them.
src/output/chart.c
src/output/chart.h
src/output/charts/cartesian.c
src/output/charts/cartesian.h
src/output/charts/plot-chart.c
src/output/charts/plot-chart.h