Tim van der Meij e15a2ec523

Annotations: implement support for line annotations ...

This patch implements support for line annotations. Other viewers only
show the popup annotation when hovering over the line, which may have
any orientation. To make this possible, we render an invisible line (SVG
element) over the line on the canvas that acts as the trigger for the
popup annotation. This invisible line has the same starting coordinates,
ending coordinates and width of the line on the canvas.

2017-04-12 23:05:25 +02:00

83 KiB

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