Maven module :un.api : api-image :
Class : un.api.color.Blending
Extends/Implements : -
Subclasses : -

Blending is a technique to merge two colors.
The most known blending and AlphaBlending using Porter-Duff rules.
author  Johann Sorel

Variables : -
Functions : blend, blend, blendPreMul, blend, blendPreMul, blend, blendPreMul


Blend colors.
param  src Source color.
param  dst Destination color.
return  blended color
Color blend (Color src, Color dst)


Blend ARGB colors.
Alpha not premultiplied in source and destination.
param  src Source color.
param  dst Destination color.
return  blended color
int blend (int src, int dst)


Blend ARGB colors.
Alpha premultiplied in source and destination.
param  src Source color ARGB.
param  dst Destination color ARGB.
return  blended color
int blendPreMul (int src, int dst)


Blend a single color.
Alpha not premultiplied in source and destination.
param  src RGBA source color, not null
param  dst RGBA destination color, not null
param  buffer RGBA result buffer, not null
return  buffer same as given buffer.
float[] blend (float[] src, float[] dst, float[] buffer)


Blend a single color.
Alpha premultiplied in source and destination.
param  src RGBA source color, not null
param  dst RGBA destination color, not null
param  buffer RGBA result buffer, not null
return  buffer same as given buffer.
float[] blendPreMul (float[] src, float[] dst, float[] buffer)


Blend multiple colors in one call.
Alpha not premultiplied in source and destination.
param  src RGBA source color, not null
param  srcOffset start index in source array
param  dst RGBA destination color, not null
param  dstOffset start index in destination array
param  buffer RGBA result buffer, not null
param  bufOffset start index in result buffer array
param  nbElement number of color to transform
return  buffer same as given buffer.
float[] blend (float[] src, int srcOffset, float[] dst, int dstOffset, float[] buffer, int bufOffset, int nbElement)


Blend multiple colors in one call.
Alpha premultiplied in source and destination.
param  src RGBA source color, not null
param  srcOffset start index in source array
param  dst RGBA destination color, not null
param  dstOffset start index in destination array
param  buffer RGBA result buffer, not null
param  bufOffset start index in result buffer array
return  buffer same as given buffer.
float[] blendPreMul (float[] src, int srcOffset, float[] dst, int dstOffset, float[] buffer, int bufOffset, int nbElement)