Irrlicht Engine

Unzip and copy into your irrlicht media directory.

The ZIP file can be found here: http://www.irrlicht3d.de/forum/viewtopi ... =4&t=43405

In the demo font "media/bigfont.png" the small character 'k' shows a '_' above.

Follow this link to look at the screenshot:
http://www.irrlicht3d.de/forum/viewtopi ... =4&t=10505

The problem is that all GUI rectangles are using rectangles that have a lower/right corner outside of their drawing area.

The drawing methods will do same. So it's ok.

If you are using this rectangle to check for mouse clicks if they are inside this drawing area you may get a wrong answer.

This ...

Any test numbers which show the problem?

Please do some brain storming.
This is much easier than simple numbers.

If the upper/left corner is inside the rectangle
and the the lower/right corner is outside then

upper/left <= position is correct
lower/right >= position is incorrect

because both ...

Look at file "rect.h"

The methods are:
1) ok, if the lower/right corner is outside the rectangle
2) ok, if the lower/right corner is outside the rectangle
3) ok, if the lower/right corner is inside the rectangle

I think (3) is wrong. It should be:

return (
UpperLeftCorner.X <= pos.X ...

Here is a simple example of a radio button with a frame to group and handle these radio buttons.

Follow the link into the german forum and have a look to the screenshot.

The screenshot and source files can be found here: http://www.irrlicht3d.de/forum/viewtopi ... =25&t=3564