diff options
Diffstat (limited to 'lib/public/Color.php')
| -rw-r--r-- | lib/public/Color.php | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/public/Color.php b/lib/public/Color.php index e2cabd9c2fc..d5b2a92a6ac 100644 --- a/lib/public/Color.php +++ b/lib/public/Color.php @@ -126,6 +126,20 @@ class Color { } /** + * Alpha blend another color with a given opacity to this color + * + * @return Color The new color + * @since 25.0.0 + */ + public function alphaBlending(float $opacity, Color $source): Color { + return new Color( + (int)((1 - $opacity) * $source->red() + $opacity * $this->red()), + (int)((1 - $opacity) * $source->green() + $opacity * $this->green()), + (int)((1 - $opacity) * $source->blue() + $opacity * $this->blue()) + ); + } + + /** * Calculate steps between two Colors * @param int $steps start color * @param Color[] $ends end color |