Draws a solidly coloured line on the given framebuffer at (x, y) within the
framebuffer<!-- -->'s current model-view coordinate space.
| framebuffer |
A Framebuffer to draw too. |
| line |
a LayoutLine |
| x |
X coordinate to render the line at |
| y |
Y coordinate to render the line at |
| color |
color to use when rendering the line |