phpchartdir.softLighting

A special shading effect that looks like gradient coloring.

This effect is best explained by viewing the examples.

Example	Description
Soft Multi-Bar Chart	The bars are shaded using soft lighting effect, with light direction from Top, and raised effect of 4 pixels.
Soft Bar Shading	The bars are shaded using soft lighting effect, with light direction from Left, and raised effect of 4 pixels.
Spline Line Chart	The title is shaded using soft lighting effect, with light direction from Right, and raised effect of 4 pixels.

The softLighting method returns an integer representing this effect. The integer can be used as the third argument to Box.setBackground to apply the effect to Box objects (including derived objects such as TextBox objects). It may also be used as the second argument to Layer.setBorderColor for BarLayer or BoxWhiskerLayer objects to apply the effect to bars or boxes.

Argument	Default	Description
direction	Top	The direction of the lighting, which must be one of the predefined constants Top, Bottom, Right or Left.
raisedEffect	4	With soft lighting effect, the object will appear to have some 3D depth. The raisedEffect argument controls the amount of 3D depth in pixels.