179 lines
4.1 KiB
PHP
179 lines
4.1 KiB
PHP
<?php
|
||
|
||
namespace Fastknife\Domain\Vo;
|
||
|
||
use Fastknife\Utils\MathUtils;
|
||
use Intervention\Image\Image;
|
||
use Intervention\Image\ImageManagerStatic;
|
||
|
||
abstract class ImageVo
|
||
{
|
||
/**
|
||
* @var Image
|
||
*/
|
||
public $image;
|
||
|
||
public $src;
|
||
|
||
private $pickMaps = [];
|
||
|
||
private $finishCallback;
|
||
|
||
public function __construct($src)
|
||
{
|
||
$this->src = $src;
|
||
$this->initImage($src);
|
||
}
|
||
|
||
public function initImage($src)
|
||
{
|
||
$this->image = ImageManagerStatic::make($src);
|
||
}
|
||
|
||
/**
|
||
* 获取图片中某一个位置的rgba值
|
||
* @param $x
|
||
* @param $y
|
||
* @return array
|
||
*/
|
||
public function getPickColor($x, $y): array
|
||
{
|
||
if (!isset($this->pickMaps[$x][$y])) {
|
||
$this->pickMaps[$x][$y] = $this->image->pickColor($x, $y);
|
||
}
|
||
return $this->pickMaps[$x][$y];
|
||
}
|
||
|
||
|
||
/**
|
||
* 设置图片指定位置的颜色值
|
||
*/
|
||
public function setPixel($color, $x, $y)
|
||
{
|
||
$this->image->pixel($color, $x, $y);
|
||
}
|
||
|
||
/**
|
||
* @param int $x
|
||
* @param int $y
|
||
* @return array
|
||
*/
|
||
public function getBlurValue(int $x, int $y): array
|
||
{
|
||
$image = $this->image;
|
||
$red = [];
|
||
$green = [];
|
||
$blue = [];
|
||
$alpha = [];
|
||
foreach ([
|
||
[0, 1], [0, -1],
|
||
[1, 0], [-1, 0],
|
||
[1, 1], [1, -1],
|
||
[-1, 1], [-1, -1],
|
||
] as $distance) //边框取5个点，4个角取3个点，其余取8个点
|
||
{
|
||
$pointX = $x + $distance[0];
|
||
$pointY = $y + $distance[1];
|
||
if ($pointX < 0 || $pointX >= $image->getWidth() || $pointY < 0 || $pointY >= $image->height()) {
|
||
continue;
|
||
}
|
||
[$r, $g, $b, $a] = $this->getPickColor($pointX, $pointY);
|
||
$red[] = $r;
|
||
$green[] = $g;
|
||
$blue[] = $b;
|
||
$alpha[] = $a;
|
||
}
|
||
return [MathUtils::avg($red), MathUtils::avg($green), MathUtils::avg($blue), MathUtils::avg($alpha)];
|
||
}
|
||
|
||
|
||
/**
|
||
* 是否不透明
|
||
* @param $x
|
||
* @param $y
|
||
* @return bool
|
||
*/
|
||
public function isOpacity($x, $y): bool
|
||
{
|
||
return $this->getPickColor($x, $y)[3] > 0.5;
|
||
}
|
||
|
||
/**
|
||
* 是否为边框
|
||
* @param bool $isOpacity
|
||
* @param int $x
|
||
* @param int $y
|
||
* @return bool
|
||
*/
|
||
public function isBoundary(bool $isOpacity, int $x, int $y): bool
|
||
{
|
||
$image = $this->image;
|
||
if ($x >= $image->width() - 1 || $y >= $image->height() - 1) {
|
||
return false;
|
||
}
|
||
$right = [$x + 1, $y];
|
||
$down = [$x, $y + 1];
|
||
if (
|
||
$isOpacity && !$this->isOpacity(...$right)
|
||
|| !$isOpacity && $this->isOpacity(...$right)
|
||
|| $isOpacity && !$this->isOpacity(...$down)
|
||
|| !$isOpacity && $this->isOpacity(...$down)
|
||
) {
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* 模糊图片
|
||
* @param $targetX
|
||
* @param $targetY
|
||
*/
|
||
public function vagueImage($targetX, $targetY)
|
||
{
|
||
$blur = $this->getBlurValue($targetX, $targetY);
|
||
$this->setPixel($blur, $targetX, $targetY);
|
||
}
|
||
|
||
|
||
/**
|
||
* @return array
|
||
*/
|
||
public function getPickMaps(): array
|
||
{
|
||
return $this->pickMaps;
|
||
}
|
||
|
||
/**
|
||
* @param array $pickMaps
|
||
*/
|
||
public function setPickMaps(array $pickMaps): void
|
||
{
|
||
$this->pickMaps = $pickMaps;
|
||
}
|
||
|
||
/**
|
||
* 提前初始化像素
|
||
*/
|
||
public function preparePickMaps()
|
||
{
|
||
$width = $this->image->getWidth();
|
||
$height = $this->image->getHeight();
|
||
for ($x = 0; $x < $width; $x++) {
|
||
for ($y = 0; $y < $height; $y++) {
|
||
$this->getPickColor($x, $y);
|
||
}
|
||
}
|
||
}
|
||
|
||
public function setFinishCallback($finishCallback){
|
||
$this->finishCallback = $finishCallback;
|
||
}
|
||
|
||
public function __destruct()
|
||
{
|
||
if(!empty($this->finishCallback) && $this->finishCallback instanceof \Closure){
|
||
($this->finishCallback)($this);
|
||
}
|
||
}
|
||
} |