pixel to inch/cms conversion ...

[pphiremath]

I am working on a ruler/scale that can be embeded inside scrollpane to track the mouse position on the document inside its viewport.

I am new to jide, I just want to know if there already was some widget that does something similar to this or some utility method that gives me a correct mapping from a pixel to inches/cms considering the current resolution of the screen.

Thanks.

[JIDE Support]

No, we dont' have it. Sounds like an interesting component. If you made, maybe you can use it to exchange for a free JIDE license.

Thanks,

[Walter Laan]

We made a simple ruler based on Swing scroll demo, see Rule.java there.

Note that java Graphics assumes 72dpi, usually ignoring the OS/desktop dpi settings. So we just hardcoded the pixels per cm to
private static final double PPC = 28.3464; // pixels per centimer

[JIDE Support]

Thanks for the link, Walter.

pphiremath, this demo should give you a good starting point.

Thanks,