/**
* @param \pavlinter\display2\objects\Image $image
* @param \Imagine\Gd\Image $originalImage
* @return static
* @throws InvalidConfigException
*/
public function resize($image, $originalImage)
{
if (empty($image->width)) {
throw new InvalidConfigException('The "width" property must be set for "' . $image::className() . '".');
}
if (empty($image->height)) {
throw new InvalidConfigException('The "height" property must be set for "' . $image::className() . '".');
}
/* @var $size \Imagine\Image\Box */
$size = $originalImage->getSize();
$wDivider = $size->getWidth() >= $image->width ? $size->getWidth() / $image->width : 0;
$hDivider = $size->getHeight() >= $image->height ? $size->getHeight() / $image->height : 0;
$w = $image->width;
// if image smaller
$h = $image->height;
// if image smaller
if ($wDivider > $hDivider) {
if ($size->getHeight() >= $image->height) {
$w = $size->getWidth() / $hDivider;
$h = $image->height;
}
} else {
//$wDivider <= $hDivider
if ($size->getWidth() >= $image->width) {
$w = $image->width;
$h = $size->getHeight() / $wDivider;
}
}
$Box = new Box($w, $h);
$newImage = $originalImage->thumbnail($Box);
$boxNew = $newImage->getSize();
$x = ($Box->getWidth() - $boxNew->getWidth()) / 2;
$y = ($Box->getHeight() - $boxNew->getHeight()) / 2;
$point = new \Imagine\Image\Point($x, $y);
$palette = new \Imagine\Image\Palette\RGB();
$color = $palette->color($image->bgColor, $image->bgAlpha);
return \yii\imagine\Image::getImagine()->create($Box, $color)->paste($newImage, $point);
}
/**
* 缩略图
* @param Image $image
* @return ImageInterface
*/
protected function thumbnail(Image $image)
{
return $image->thumbnail($this->thumbBox, $this->thumbMode);
}