function watermark::_get_ave_color in ImageCache Actions 8

Same name and namespace in other branches

1. 5.3 watermark.inc \watermark::_get_ave_color()
2. 5.2 watermark.inc \watermark::_get_ave_color()
3. 6.2 watermark.inc \watermark::_get_ave_color()
4. 6 watermark.inc \watermark::_get_ave_color()
5. 7 watermark.inc \watermark::_get_ave_color()

Get an average color.

Parameters

int $color_a:

int $color_b:

float $alpha_level:

Return value

float

1 call to watermark::_get_ave_color()

watermark::create_watermark in ./watermark.inc

TODO

File

./watermark.inc, line 90

Routine for image layering.

Class

watermark

@file Routine for image layering.

Code

function _get_ave_color($color_a, $color_b, $alpha_level) {
  return round($color_a * (1 - $alpha_level) + $color_b * $alpha_level);
}