StraightLines is an Adobe AIR application, runs over your desktop to calculate distances, ratios and angles. Straight Lines runs over your document or application, showing the content you were working. You have one or two straight lines that you could place wherever you want. Their measurements, ratios and angles are shown in the panels.
You could move the panels by dragging from the top bar. From this bar you could also hide all the panels, and minimize or close Straight Lines.

StraightLines Features:
1. Horizontal, vertical and oblique ruler.
2. Distance in pixels, centimeters and inches.
3. Ratio and close proportion more relevant.
4. Angle between a line and the horizontal plane.
5. Angle between two lines.
6. Customizable color lines.
7. Customizable background opacity.
8. Support for multiple monitors.

Requirements:
* Adobe AIR

The license of this software is Freeware, you can free download and free use this desktop utility software.