BrushBlend Class Reference

Inherits Brush.

List of all members.

---

Detailed Description

A blending brush that takes any number of input brushes and layers them together.

Public Types
enum	Blend {   Normal = 0, Multiply = 1, Add = 2, Subtract = 3,   Difference = 4, Darken = 5, Lighten = 6, Hue = 7,   Saturation = 8, Color = 9, Luminance = 10 }
	The available blending modes that determines the blending color from the current (a) and layer (b) colors. More...
Public Member Functions
void	add (Brush brush)
	Add an opaque layer to the brush using normal blend mode.
void	add (Brush brush, Blend blend)
	Add an opaque layer to the brush.
void	add (Brush brush, Blend blend, ubyte alpha)
	Add a layer to the brush.
Color	eval (float x, float y)
	Cycle through the layers on the brush, sampling at each point and blending the colors together.
Static Public Member Functions
Color	blendColor (Color a, Color b, Blend m)
	Get the blending color from the current color (a), the layer color (b), and the blending mode (m).
Public Attributes
Layer[]	layers
	The list of layers in the brush, modified using add.

---

Member Enumeration Documentation

enum BrushBlend::Blend

The available blending modes that determines the blending color from the current (a) and layer (b) colors. Enumeration values: Normal  Normal blending (b). Multiply  Multiply the colors together (a * b). Add  Add the colors together (a + b). Subtract  Subtract the colors (a - b). Difference  Get the difference between the colors (abs (a - b)). Darken  Get the minimum intensity of each channel (min (a, b)). Lighten  Get the maximum intensity of each channel (max (a, b)). Hue  Use the hue from the layer color (a with hue from b). Saturation  Use the saturation from the layer color (a with saturation from b). Color  Use the hue and saturation from the layer color (a with hue and saturation from b). Luminance  Use the luminance/value from the layer color (a with luminance from b).

---

Member Function Documentation

Color BrushBlend.eval (  float  x, float  y )

Cycle through the layers on the brush, sampling at each point and blending the colors together. The blending mode of the first layer is ignored (but its opacity is not). Reimplemented from Brush.

---

Member Data Documentation

Layer [] BrushBlend.layers

The list of layers in the brush, modified using add. You can modify this list to your pleasure; however, pointers to it will be invalidated by an add call.

---

The documentation for this class was generated from the following file:

• brush.d

---