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All shapes have three properties that affect how they look: Fill Paint, Stroke Paint, and Stroke Style. 

• Fill Paint is a property of type Paint that represents the interior or fill : Determines the interior color of the shape.
• Stroke Paint property (also a Paint) represents the : Represents the color of the shape's outline.
• Stroke Style property is a property of type Stroke that affects : Determines the thickness, corners, and dash properties of the shape's outline.

Fill Paint

Editing Paints

Both the Fill and Stroke paints can be a variety of different types of paints. To edit a shape's fill or stroke paint, you can either use the paint dropdown in the Property Editor table by clicking on the Edit  icon or open up the dedicated Fill and Stroke panel from the View menu.

Paint Types

The top of the paint editor is a selection area that allows you to choose between the five different types of paints.

1. No Paint  when used as a fill paint, then the interior of the shape will be transparent. If used as the stroke paint, then the paint's outline will not be drawn.    
   
   
2. Solid Color Paint  is equivalent to the Color type used elsewhere throughout the component library. A solid color is any color, including an alpha (transparency) level.
    
3. Linear gradient  smoothly blends any number of colors along a straight line across the shape. Each color is called a Stop. Each stop is represented as a drag-able control on a horizontal preview of the gradient in the gradient editor. You can click on a stop to select it and change its color or drag it to reposition it. You can right-click on it to remove it. You can right-click on the preview strip to add new stops and change the gradient's cycle mode.
    
4. Radial gradient  are similar to linear paints except that the colors emanate from a point creating an ellipse of each hue. Radial paints are configured in the same way as linear paints.
    
5. Pattern paint uses a repeating pixel-pattern with two different colors. You can pick a pattern from the dropdown or create your own using the built-in pattern editor.

Gradients

Gradient Paint Bounds

The two gradient paints, Linear and Radial, are more than a list of colored stops, they also need to be placed relative to the shape. The same gradient may look wildly different depending on how it is placed against the shape. By default, a Linear gradient will run horizontally across the width of the entire shape, but this is readily changed. By switching to the Gradient Tool located on the drawing tools toolbar, you can drag handles around to change the orientation of the gradient.  You can even make the gradient larger or smaller depending on how big you want it to be. 

Gradient Cycles

The two gradient paints (Linear and Radial) both have a cycle mode that you can change by right-clicking within the preview strip. 

The cycle modes are illustrated below: No Cycle, Reflect, and Repeat.

1. No Cycle - The first and last stops are repeated forever after the edge of the gradient bounds.
   
2. Reflect - Beyond the bounds of the gradient, it will be reflected and drawn in reverse, and then reflected again, creating a smooth repetition.
   
3. Repeat -  Beyond the bounds of the gradient, it will be repeated forever.

 Setting a Gradient 

1. In the Designer, select your component.
2. In the Property Editor under Appearance, click the Edit  icon.
3. Select either the Linear or Radial gradient.
4. You will see two stops: white and black. Click on each Stop and choose a different color. 
5. If you want to add an additional stop, right click on the color bar and select Add stop. You can also add / remove Stops, and select your desired cycle: No Cycle, Reflect or Repeat.
   
   
   
   
6. Close the Color Selector by clicking the X in the upper right corner.
7. With your component still selected on your window, and click the Gradient  tool in the toolbar. You'll notice a line on your component. Now, you can drag the line's handles to change the orientation and lengthen or shorten the gradient. 
   
   
    
8. Here are a few examples of what you can do with gradients: 
   
   
   1. Radial - No cycle
   2. Linear - Reflective
   3. Linear - with a 3rd Stop
   4. Linear - Repeat