Vmeda.Online/src/theme/helpers/custom.mixins.scss
2023-02-07 10:05:51 +01:00

310 lines
8.6 KiB
SCSS

@use "sass:math" as math;
/**
* App custom mixins for SCSS
* ----------------------------------------------------------------------------
* Place here our custom mixins.
*/
// Mixes a color with black to create its shade.
// Default to bootstrap level 6.
// --------------------------------------------------------------------------------------------
@function get-color-shade-percent($color, $percent: 48%) {
@return mix(#000, $color, $percent);
}
// Mixes a color with white to create its tint.
// Default to bootstrap level -10.
// --------------------------------------------------------------------------------------------
@function get-color-tint-percent($color, $percent: 80%) {
@return mix(#fff, $color, $percent);
}
// Ionic Colors
// --------------------------------------------------
// Generates the color classes and variables based on the
// colors map
@mixin generate-color($color-name, $colors, $theme) {
$color-themes: map-get($colors, $color-name);
$base: map-get($color-themes, $theme);
@if $theme == 'dark' {
$base: mix(map-get($color-themes, 'light'), white, 80%) !default;
}
@include generate-color-variants($color-name, $base);
}
@mixin generate-color-variants($color-name, $base) {
$contrast: get_contrast_color($base);
$shade: get-color-shade-percent($base);
$tint: get-color-tint-percent($base);
--#{$color-name}: #{$base};
--#{$color-name}-shade: #{$shade};
--#{$color-name}-tint: #{$tint};
--#{$color-name}-contrast: #{$contrast};
// Internal ionic use only.
--ion-color-#{$color-name}: var(--#{$color-name});
--ion-color-#{$color-name}-base: var(--ion-color-#{$color-name});
--ion-color-#{$color-name}-rgb: #{color-to-rgb-list($base)};
--ion-color-#{$color-name}-contrast: #{$contrast};
--ion-color-#{$color-name}-contrast-rgb: #{color-to-rgb-list($contrast)};
--ion-color-#{$color-name}-shade: #{$shade};
--ion-color-#{$color-name}-tint: #{$tint};
.ion-color-#{$color-name} {
--ion-color: var(--ion-color-#{$color-name});
--ion-color-base: var(--ion-color-#{$color-name}-base);
--ion-color-rgb: var(--ion-color-#{$color-name}-rgb);
--ion-color-contrast: var(--ion-color-#{$color-name}-contrast);
--ion-color-contrast-rgb: var(--ion-color-#{$color-name}-contrast-rgb);
--ion-color-shade: var(--ion-color-#{$color-name}-shade);
--ion-color-tint: var(--ion-color-#{$color-name}-tint);
}
}
@mixin core-focus() {
outline: none;
position: relative;
&::after {
@include position(0, 0, 0, 0);
position: absolute;
content: "";
opacity: 1;
z-index: 1;
@include core-focus-style();
}
}
@mixin core-focus-style() {
box-shadow: inset 0 0 var(--a11y-focus-width) 1px var(--a11y-focus-color);
border-radius: var(--border-radius);
// Thicker option:
// border: var(--a11y-focus-width) solid var(--a11y-focus-color);
}
@mixin core-transition($properties: all, $duration: 500ms, $timing-function: ease-in-out) {
$transitions: ();
@each $property in $properties {
$transitions: append($transitions, $property $duration $timing-function, comma);
}
-webkit-transition: $transitions;
transition: $transitions;
}
@mixin sr-only() {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
/**
* Same as item-push-svg-url but admits flip-rtl
*/
@mixin push-arrow-color($fill: 626262, $flip-rtl: false) {
$item-detail-push-svg: "<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 20'><path d='M2,20l-2-2l8-8L0,2l2-2l10,10L2,20z' fill='#{$fill}'/></svg>";
@include svg-background-image($item-detail-push-svg, $flip-rtl);
}
@mixin border-start($px, $type: null, $color: null) {
@include property-horizontal(border, $px $type $color, null);
}
@mixin border-end($px, $type: null, $color: null) {
@include property-horizontal(border, null, $px $type $color);
}
@mixin safe-area-border-start($px, $type, $color) {
$safe-area-position: calc(var(--ion-safe-area-left) + #{$px});
@include border-start($safe-area-position, $type, $color);
}
@mixin safe-area-border-end($px, $type, $color) {
$safe-area-position: calc(var(--ion-safe-area-right) + #{$px});
@include border-end($safe-area-position, $type, $color);
}
@mixin safe-area-margin-horizontal($start, $end: $start) {
$safe-area-end: null;
$safe-area-start: null;
@if ($end) {
$safe-area-end: calc(var(--ion-safe-area-right) + #{$end});
}
@if ($start) {
$safe-area-start: calc(var(--ion-safe-area-left) + #{$start});
}
@include margin-horizontal($safe-area-start, $safe-area-end);
}
@mixin safe-area-margin-start($start, $end) {
$safe-area-start: calc(var(--ion-safe-area-left) + #{$start});
@include margin-horizontal($safe-area-start, $end);
}
@mixin safe-area-margin-end($start, $end) {
$safe-area-end: calc(var(--ion-safe-area-right) + #{$end});
@include margin-horizontal($start, $safe-area-end);
}
@mixin safe-area-padding-horizontal($start, $end: $start) {
$safe-area-end: null;
$safe-area-start: null;
@if ($end) {
$safe-area-end: calc(var(--ion-safe-area-right) + #{$end});
}
@if ($start) {
$safe-area-start: calc(var(--ion-safe-area-left) + #{$start});
}
@include padding-horizontal($safe-area-start, $safe-area-end);
}
@mixin safe-area-padding-start($start, $end) {
$safe-area-start: calc(var(--ion-safe-area-left) + #{$start});
@include padding-horizontal($safe-area-start, $end);
}
@mixin safe-area-padding-end($start, $end) {
$safe-area-end: calc(var(--ion-safe-area-right) + #{$end});
@include padding-horizontal($start, $safe-area-end);
}
@mixin safe-area-position($top: null, $end: null, $bottom: null, $start: null) {
$safe-area-start: calc(var(--ion-safe-area-left) + #{$start});
$safe-area-end: calc(var(--ion-safe-area-right) + #{$end});
@include position($top, $safe-area-end, $bottom, $safe-area-start);
}
@mixin core-headings() {
h1 {
font-size: 26px;
}
h2, .item-heading {
font-size: 24px;
}
h3 {
font-size: 22px;
}
h4 {
font-size: 20px;
}
h5 {
font-size: 18px;
}
h6 {
font-size: 16px;
}
}
@mixin darkmode() {
$root: #{&};
@at-root #{add-root-selector($root, "html.dark")} {
@content;
}
}
@mixin horizontal_scroll_item($width, $min-width, $max-width) {
flex: 0 0 $width;
min-width: $min-width;
max-width: $max-width;
align-self: stretch;
display: block;
ion-card {
--vertical-margin: 10px;
--horizontal-margin: 10px;
width: calc(100% - var(--horizontal-margin) - var(--horizontal-margin));
height: calc(100% - var(--vertical-margin) - var(--vertical-margin));
margin: var(--vertical-margin) var(--horizontal-margin);
@media (max-width: 360px) {
--horizontal-margin: 6px;
}
}
}
// Color mixins.
@function get_brightness($color) {
@return (red($color) + green($color) + blue($color)) / 3;
}
// Get the better color contrast using WCAG algorythm.
@function get_contrast_color($color) {
$lumiance: luminance($color);
// White lumiance is 1.
$whiteContrast: ($lumiance + 0.05) / (1 + 0.05);
// White lumiance is 0.
$blackContrast: (0.05) / ($lumiance + 0.05);
@return if($whiteContrast < $blackContrast, white, black);
}
// Color contrast using yiq aproximation with 150 threshold.
@function get_contrast_color_yiq($color, $dark: black, $light: white) {
$r: red($color);
$g: green($color);
$b: blue($color);
$yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
@return if($yiq >= 128, $dark, $light);
}
// WCAG contrast algorithm
@function check-contrast($foreground, $background) {
$foregroundLumiance: luminance($foreground);
$backgroundLuminance: luminance($background);
@if ($backgroundLuminance < $foregroundLumiance) {
@return ($backgroundLuminance + 0.05) / ($foregroundLumiance + 0.05);
} @else {
@return ($foregroundLumiance + 0.05) / ($backgroundLuminance + 0.05);
}
}
@function luminance($color) {
$r: red($color);
$g: green($color);
$b: blue($color);
$r: component-luminance($r);
$g: component-luminance($g);
$b: component-luminance($b);
@return $r * 0.2126 + $g * 0.7152 + $b * 0.0722;
}
@function component-luminance($value) {
$value: $value / 255;
@if ($value <= 0.03928) {
@return $value / 12.92;
} @else {
@return math.pow(($value + 0.055) / 1.055, 2.4);
}
}