Use color setter
Add y ticks
Fix tick width
WIP: Add text legend
Add point margin
Better legend text position
Wip: draw a square baloon
Fix baloon bottom left corner
Draw a round baloon
Use a join function to improve readability
Create a baloon path generator
Use a round pen to draw ticks
Put baloonPath at the begining of the file
Group balloons, text and point
Centralize balloon text
Merge branch 'feature/point-tag'