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/** | |
* Calculates numbers to the mathmatical power (exponent) | |
* | |
* @since 1.0.0 | |
* | |
* @param int $number The number to increase | |
* @param int $exponent The power to increase the number by | |
* | |
* @return int The new number | |
*/ | |
@function pow( $number, $exponent ) { | |
$value: 1; | |
@if $exponent > 0 { | |
@for $i from 1 through $exponent { | |
$value: $value * $number; | |
} | |
} | |
@return $value; | |
} | |
/** | |
* Removes units from values for easier modification | |
* | |
* @since 1.0.0 | |
* | |
* @param int $number The number to strip units from | |
* | |
* @return int The number without the unit | |
*/ | |
@function strip-unit( $number ) { | |
@if type-of( $number ) == 'number' and not unitless( $number ) { | |
@return $number / ( $number * 0 + 1 ); | |
} | |
@return $number; | |
} | |
/** | |
* Calculates the line height based on multiple parameters | |
* | |
* @since 1.0.0 | |
* | |
* @param int $font-size The font size | |
* @param int $content-width The width of the content area | |
* @param int $ratio The ratio. Default 1.61803398875 (golden ratio) | |
* | |
* @return int The calculated line height | |
*/ | |
@function calculate-line-height( $font-size, $content-width, $ratio: 1.61803398875 ) { | |
$font-size: strip-unit( $font-size ); | |
$content-width: strip-unit( $content-width ); | |
@return $ratio - ( ( 1 / ( 2 * $ratio ) ) * ( 1 - ( $content-width / ( pow( ( $font-size * $ratio ), 2 ) ) ) ) ); | |
} |
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