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vertical rhythm function for calculating rhythms without returning a property

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This commit is contained in:
Eric Meyer 2011-04-12 15:13:42 -06:00
parent e66c822503
commit bc4e3eeb44
2 changed files with 29 additions and 20 deletions
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2
Gemfile.lock
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@ -7,7 +7,7 @@ GIT
PATH
remote: .
specs:
compass (0.11.beta.6.7c5f831)
compass (0.11.beta.6.e66c822)
chunky_png (~> 1.1.0)
sass (>= 3.1.0.alpha.249)

47
frameworks/compass/stylesheets/compass/typography/_vertical_rhythm.scss
View File

@ -25,16 +25,16 @@ $base-half-leader: $base-leader / 2;
@mixin establish-baseline($font-size: $base-font-size) {
body {
font-size: $font-size / $ie-font-ratio;
@include adjust-leading-to(1, $font-size);
@include adjust-leading-to(1, $font-size);
}
html>body {
font-size: $font-size;
}
font-size: $font-size;
}
}
// Show a background image that can be used to debug your alignments.
@mixin debug-vertical-alignment($img: 'underline.png') {
background: url($img);
background: url($img);
}
// Adjust a block to have a different font size and leading to maintain the rhythm.
@ -44,37 +44,46 @@ $base-half-leader: $base-leader / 2;
// Use $from_size to adjust from a non-base font-size.
@mixin adjust-font-size-to($to-size, $lines: ceil($to-size / $base-line-height), $from-size: $base-font-size) {
font-size: 1em * $to-size / $from-size;
@include adjust-leading-to($lines, $to-size);
@include adjust-leading-to($lines, $to-size);
}
@mixin adjust-leading-to($lines, $font-size: $base-font-size) {
line-height: 1em * $lines * $base-line-height / $font-size;
line-height: 1em * $lines * $base-line-height / $font-size;
}
// Calculate rhythm units
@function rhythm(
$lines: 1,
$font-size: $base-font-size
) {
$rhythm: 1em * $lines * $base-line-height / $font-size;
@return $rhythm;
}
// Apply leading whitespace
@mixin leader($lines: 1, $font-size: $base-font-size, $property: margin) {
#{$property}-top: 1em * $lines * $base-line-height / $font-size;
#{$property}-top: rhythm($lines, $font-size);
}
@mixin padding-leader($lines: 1, $font-size: $base-font-size) {
@include leader($lines, $font-size, padding);
@include leader($lines, $font-size, padding);
}
@mixin margin-leader($lines: 1, $font-size: $base-font-size) {
@include leader($lines, $font-size, margin);
@include leader($lines, $font-size, margin);
}
// Apply trailing whitespace
@mixin trailer($lines: 1, $font-size: $base-font-size, $property: margin) {
#{$property}-bottom: 1em * $lines * $base-line-height / $font-size;
#{$property}-bottom: rhythm($lines, $font-size);
}
@mixin padding-trailer($lines: 1, $font-size: $base-font-size) {
@include trailer($lines, $font-size, padding);
@include trailer($lines, $font-size, padding);
}
@mixin margin-trailer($lines: 1, $font-size: $base-font-size) {
@include trailer($lines, $font-size, margin);
@include trailer($lines, $font-size, margin);
}
// Whitespace application shortcut
@ -90,9 +99,9 @@ $base-half-leader: $base-leader / 2;
@mixin apply-side-rhythm-border($side, $width: 1px, $lines: 1, $font-size: $base-font-size, $border-style: $default-rhythm-border-style) {
border-#{$side}: {
style: $border-style;
width: 1em * $width / $font-size;
width: 1em * $width / $font-size;
};
padding-#{$side}: 1em / $font-size * ($lines * $base-line-height - $width);
padding-#{$side}: 1em / $font-size * ($lines * $base-line-height - $width);
}
// Aplly rhythm borders equally to all sides
@ -100,25 +109,25 @@ $base-half-leader: $base-leader / 2;
border: {
style: $border-style;
width: 1em * $width / $font-size; };
padding: 1em / $font-size * ($lines * $base-line-height - $width);
padding: 1em / $font-size * ($lines * $base-line-height - $width);
}
// Apply a leading rhythm border
@mixin leading-border($width: 1px, $lines: 1, $font-size: $base-font-size, $border-style: $default-rhythm-border-style) {
@include apply-side-rhythm-border(top, $width, $lines, $font-size, $border-style);
@include apply-side-rhythm-border(top, $width, $lines, $font-size, $border-style);
}
// Apply a trailing rhythm border
@mixin trailing-border($width: 1px, $lines: 1, $font-size: $base-font-size, $border-style: $default-rhythm-border-style) {
@include apply-side-rhythm-border(bottom, $width, $lines, $font-size, $border-style);
@include apply-side-rhythm-border(bottom, $width, $lines, $font-size, $border-style);
}
// Apply both leading and trailing rhythm borders
@mixin horizontal-borders($width: 1px, $lines: 1, $font-size: $base-font-size, $border-style: $default-rhythm-border-style) {
@include leading-border($width, $lines, $font-size, $border-style);
@include trailing-border($width, $lines, $font-size, $border-style);
@include trailing-border($width, $lines, $font-size, $border-style);
}
@mixin h-borders($width: 1px, $lines: 1, $font-size: $base-font-size, $border-style: $default-rhythm-border-style) {
@include horizontal-borders($width, $lines, $font-size, $border-style);
@include horizontal-borders($width, $lines, $font-size, $border-style);
}