示例#1
0
 /**
  * @inheritdoc
  */
 public function generateCSS(Context $context, OutputInterface $output)
 {
     if ($context->strictUnits && !$this->unit->isSingular()) {
         throw new CompilerException(sprintf('Multiple units in dimension. Correct the units or use the unit function. Bad unit: %s', $this->unit->toString()));
     }
     $value = Util::round($context, $this->value);
     $strValue = (string) $value;
     if ($value !== 0 && $value < 1.0E-6 && $value > -1.0E-6) {
         $strValue = Math::toFixed($value, 20);
     }
     // remove trailing zeros
     $strValue = Math::clean($strValue);
     // Zero values doesn't need a unit
     if ($context->compress) {
         if ($value == 0 && $this->unit->isLength()) {
             $output->add($strValue);
             return;
         }
         // Float values doesn't need a leading zero
         if ($value > 0 && $value < 1) {
             $strValue = substr($strValue, 1);
         }
     }
     $output->add($strValue);
     // pass to unit
     $this->unit->generateCSS($context, $output);
 }
示例#2
0
文件: Color.php 项目: jxav/iless
 /**
  * Returns the color as HEX string (when transparency present, in RGBA model)
  *
  * @param boolean $compress Compress the color?
  * @param boolean $canShorten Can the color be shortened if possible?
  * @return string
  */
 public function toString($compress = false, $canShorten = false)
 {
     if ($this->isTransparentKeyword) {
         return 'transparent';
     }
     if ($this->originalForm) {
         return $this->originalForm;
     }
     $alpha = Math::toFixed($this->alpha + 2.0E-16, 8);
     if ($alpha < 1) {
         $fixedRGB = $this->getFixedRGB();
         return sprintf('rgba(%s)', join($compress ? ',' : ', ', [$fixedRGB[0], $fixedRGB[1], $fixedRGB[2], Math::clean($this->clamp($alpha, 1))]));
     }
     // prevent named colors
     if ($this->keyword) {
         return $this->keyword;
     }
     $color = [];
     foreach ($this->getFixedRgb() as $i) {
         $color[] = str_pad(dechex(Math::round($i)), 2, '0', STR_PAD_LEFT);
     }
     $color = join('', $color);
     // convert color to short format
     if ($canShorten && $color[0] === $color[1] && $color[2] === $color[3] && $color[4] === $color[5]) {
         $color = $color[0] . $color[2] . $color[4];
     }
     $color = '#' . $color;
     return $color;
 }