There are several ways to create a colored floor plan in Home Designer Pro, one of which would involve using fill patterns and changing line styles.
Creating a screenshot is easy to accomplish by following the instructions applicable for your operating system linked here.
To add depth and interest to a picture of a floor plan, overlay it on top of a view of the 3D model.
Use the Export Picture option while in a camera view to create a camera view image that can be saved on your computer.
One method of sharing your plan ideas with someone else is to export an image of your floor plan.
Home Designer makes it easy to import and create custom materials using image files.
A digital picture of a floor plan can be imported and then used as a template for creating your drawing.
Import images of plants and other objects to add custom details to your plans.
A picture imported into floor plan view can be resized or cropped using it's edit handles.
The Grow All Plants tool lets you see how your selected plants will increase in size over time.
There isn't a way to convert a digital image into a 3D model in Chief Architect; however, you can use an image of a floor plan as a template to trace over.