/**
* @param string $op
*/
public function operate($op, $other)
{
$value = Less_Functions::operate($op, $this->value, $other->value);
$unit = clone $this->unit;
if ($op === '+' || $op === '-') {
if (!$unit->numerator && !$unit->denominator) {
$unit->numerator = $other->unit->numerator;
$unit->denominator = $other->unit->denominator;
} elseif (!$other->unit->numerator && !$other->unit->denominator) {
// do nothing
} else {
$other = $other->convertTo($this->unit->usedUnits());
if (Less_Parser::$options['strictUnits'] && $other->unit->toString() !== $unit->toCSS()) {
throw new Less_Exception_Compiler("Incompatible units. Change the units or use the unit function. Bad units: '" . $unit->toString() . "' and " . $other->unit->toString() + "'.");
}
$value = Less_Functions::operate($op, $this->value, $other->value);
}
} elseif ($op === '*') {
$unit->numerator = array_merge($unit->numerator, $other->unit->numerator);
$unit->denominator = array_merge($unit->denominator, $other->unit->denominator);
sort($unit->numerator);
sort($unit->denominator);
$unit->cancel();
} elseif ($op === '/') {
$unit->numerator = array_merge($unit->numerator, $other->unit->denominator);
$unit->denominator = array_merge($unit->denominator, $other->unit->numerator);
sort($unit->numerator);
sort($unit->denominator);
$unit->cancel();
}
return new Less_Tree_Dimension($value, $unit);
}
public function contrast($color, $dark = null, $light = null, $threshold = null)
{
// filter: contrast(3.2);
// should be kept as is, so check for color
if (!$color instanceof Less_Tree_Color) {
return null;
}
if (!$light) {
$light = $this->rgba(255, 255, 255, 1.0);
}
if (!$dark) {
$dark = $this->rgba(0, 0, 0, 1.0);
}
if (!$dark instanceof Less_Tree_Color) {
throw new Less_Exception_Compiler('The second argument to contrast must be a color' . ($dark instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : ''));
}
if (!$light instanceof Less_Tree_Color) {
throw new Less_Exception_Compiler('The third argument to contrast must be a color' . ($light instanceof Less_Tree_Expression ? ' (did you forgot commas?)' : ''));
}
//Figure out which is actually light and dark!
if ($dark->luma() > $light->luma()) {
$t = $light;
$light = $dark;
$dark = $t;
}
if (!$threshold) {
$threshold = 0.43;
} else {
$threshold = Less_Functions::number($threshold);
}
if ($color->luma() < $threshold) {
return $light;
} else {
return $dark;
}
}
function toHex($v)
{
$ret = '#';
foreach ($v as $c) {
$c = Less_Functions::clamp(Less_Parser::round($c), 255);
if ($c < 16) {
$ret .= '0';
}
$ret .= dechex($c);
}
return $ret;
}
/**
* Generates the CSS
*
* @return string
*/
public function generateCSS()
{
$output = new Less_Output_Mapped($this->contentsMap, $this);
// catch the output
$this->root->genCSS($output);
$sourceMapUrl = $this->getOption('sourceMapURL');
$sourceMapFilename = $this->getOption('sourceMapFilename');
$sourceMapContent = $this->generateJson();
$sourceMapWriteTo = $this->getOption('sourceMapWriteTo');
if (!$sourceMapUrl && $sourceMapFilename) {
$sourceMapUrl = $this->normalizeFilename($sourceMapFilename);
}
// write map to a file
if ($sourceMapWriteTo) {
$this->saveMap($sourceMapWriteTo, $sourceMapContent);
}
// inline the map
if (!$sourceMapUrl) {
$sourceMapUrl = sprintf('data:application/json,%s', Less_Functions::encodeURIComponent($sourceMapContent));
}
if ($sourceMapUrl) {
$output->add(sprintf('/*# sourceMappingURL=%s */', $sourceMapUrl));
}
return $output->toString();
}
public function contrast($color, $dark = null, $light = null, $threshold = null)
{
// filter: contrast(3.2);
// should be kept as is, so check for color
if (!property_exists($color, 'rgb')) {
return null;
}
if (!$light) {
$light = $this->rgba(255, 255, 255, 1.0);
}
if (!$dark) {
$dark = $this->rgba(0, 0, 0, 1.0);
}
//Figure out which is actually light and dark!
if ($dark->luma() > $light->luma()) {
$t = $light;
$light = $dark;
$dark = $t;
}
if (!$threshold) {
$threshold = 0.43;
} else {
$threshold = Less_Functions::number($threshold);
}
if ($color->luma() < $threshold) {
return $light;
} else {
return $dark;
}
}
/**
* The PHP LESS parser dies trying to dynamically generate
* the tab SVG CSS, so process it manually instead.
* @param string $light
* @param string $dark
* @return string
*/
protected static function makeTabSvg($light, $dark)
{
/*
* Desaturate and darken the dark color
*/
$dark = substr($dark, 1);
// Remove the #
$func = new \Less_Functions(null);
$value = new \Less_Tree_Dimension('14.5', '%');
$color = new \Less_Tree_Color($dark);
$color = $func->desaturate($color, $value);
$value = new \Less_Tree_Dimension('5', '%');
$black = new \Less_Tree_Color('000000');
$color = $func->mix($black, $color, $value);
$dark = $color->toRGB();
/*
* SVG Definition
*/
$svg = '';
$svg .= '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" x="0px" y="0px" width="100px" height="110px" viewBox="0 0 100 110" enable-background="new 0 0 100 110" xml:space="preserve">';
$svg .= '<path d="M0,30C5,30,10,0,20,0c5,0,60,0,65,0c10,0,10,30,15,30"/>';
$svg .= '<path fill="' . $light . '" d="M0,70c5,0,10-30,20-30c0,10,0,15,0,15v15"/>';
$svg .= '<path fill="' . $light . '" d="M100,70c-5,0-10-30-20-30c0,10,0,15,0,15v15"/>';
$svg .= '<path fill="' . $dark . '" d="M0,110c5,0,10-30,20-30c0,10,0,15,0,15v15"/>';
$svg .= '<path fill="' . $dark . '" d="M100,110c-5,0-10-30-20-30c0,10,0,15,0,15v15"/>';
$svg .= '</svg>';
/*
* Escape CSS
*/
$revert = ['%21' => '!', '%2A' => '*', '%27' => "'", '%3F' => '?', '%26' => '&', '%2C' => ',', '%2F' => '/', '%40' => '@', '%2B' => '+', '%24' => '$'];
$svg = strtr(rawurlencode($svg), $revert);
/*
* Add header
*/
$svg = 'data:image/svg+xml;charset=UTF-8,' . $svg;
/*
* Compile CSS
*/
$css = '';
$css .= '.fancy-layout .control-tabs.master-tabs > div > div.tabs-container > ul.nav-tabs > li a > span.title:before,';
$css .= '.fancy-layout.control-tabs.master-tabs > div > div.tabs-container > ul.nav-tabs > li a > span.title:before,';
$css .= '.fancy-layout .control-tabs.master-tabs > div > div.tabs-container > ul.nav-tabs > li a > span.title:after,';
$css .= '.fancy-layout.control-tabs.master-tabs > div > div.tabs-container > ul.nav-tabs > li a > span.title:after {';
$css .= "background-image: url('" . $svg . "')}";
return $css;
}
public function jmdarken($color, $amount)
{
if ($color instanceof Less_Tree_Color) {
$hsl = $color->toHSL();
$hsl['l'] -= $hsl['l'] * $amount->value / 100;
$hsl['l'] = self::clamp($hsl['l']);
return $this->hsla($hsl['h'], $hsl['s'], $hsl['l'], $hsl['a']);
}
Less_Functions::Expected('color', $color);
}
public function ConfigurableEmailTheme()
{
$env = new Less_Environment($this->lessEnvOptions());
$less = new Less_Functions($env);
$panelColor = trim((string) $this->owner->PrimaryColor, '#');
if (!$panelColor) {
$panelColor = '666';
}
$btnColor = trim((string) $this->owner->CtaColor, '#');
if (!$btnColor) {
$btnColor = $panelColor;
}
$headerColor = trim((string) $this->owner->SecondaryColor, '#');
if (!$headerColor) {
$headerColor = $panelColor;
}
return array('header_color' => '#' . $headerColor, 'header_font_color' => $less->contrast(new Less_Tree_Color($headerColor), new Less_Tree_Color('000000'), new Less_Tree_Color('ffffff'), new Less_Tree_Dimension(0.6))->toRGB(), 'footer_color' => '#' . $panelColor, 'footer_font_color' => $less->contrast(new Less_Tree_Color($panelColor), new Less_Tree_Color('000000'), new Less_Tree_Color('ffffff'), new Less_Tree_Dimension(0.6))->toRGB(), 'panel_color' => '#' . $panelColor, 'panel_border_color' => $less->darken(new Less_Tree_Color($panelColor), new Less_Tree_Dimension(15))->toRGB(), 'panel_font_color' => $less->contrast(new Less_Tree_Color($panelColor), new Less_Tree_Color('000000'), new Less_Tree_Color('ffffff'), new Less_Tree_Dimension(0.6))->toRGB(), 'btn_color' => '#' . $btnColor, 'btn_border_color' => $less->darken(new Less_Tree_Color($btnColor), new Less_Tree_Dimension(15))->toRGB(), 'btn_font_color' => $less->contrast(new Less_Tree_Color($btnColor), new Less_Tree_Color('000000'), new Less_Tree_Color('ffffff'), new Less_Tree_Dimension(0.6))->toRGB());
}
/**
* @param string $op
*/
public function operate($op, $other)
{
$rgb = array();
$alpha = $this->alpha * (1 - $other->alpha) + $other->alpha;
for ($c = 0; $c < 3; $c++) {
$rgb[$c] = Less_Functions::operate($op, $this->rgb[$c], $other->rgb[$c]);
}
return new Less_Tree_Color($rgb, $alpha);
}
