Пример #1
0
var_dump(imagesy($im_crop));
echo "Palette IMG_CROP_SIDES\n";
$im = imagecreate(99, 99);
imagefilledrectangle($im, 20, 20, 30, 30, 0xff);
$im_crop = imagecropauto($im, IMG_CROP_SIDES);
var_dump(imagesx($im_crop));
var_dump(imagesy($im_crop));
echo "TC IMG_CROP_BLACK\n";
$im = imagecreatetruecolor(50, 50);
imagefilledrectangle($im, 20, 20, 30, 30, 0xff);
$im_crop = imagecropauto($im, IMG_CROP_BLACK);
var_dump(imagesx($im_crop));
var_dump(imagesy($im_crop));
echo "Palette IMG_CROP_BLACK\n";
$im = imagecreate(50, 50);
$bgd = imagecolorallocate($im, 0, 0, 0);
$b = imagecolorallocate($im, 0, 0, 255);
imagefilledrectangle($im, 20, 20, 30, 30, 0xff);
$im_crop = imagecropauto($im, IMG_CROP_BLACK);
var_dump(imagesx($im_crop));
var_dump(imagesy($im_crop));
echo "IMG_CROP_THRESHOLD\n";
$im = imagecreatefrompng(__DIR__ . "/logo_noise.png");
$im_crop = imagecropauto($im, IMG_CROP_THRESHOLD, 0.1, 0x0);
imagepng($im_crop, __DIR__ . "/crop_threshold.png");
var_dump(imagesx($im_crop));
var_dump(imagesy($im_crop));
@unlink(__DIR__ . "/crop_threshold.png");
?>
 
Пример #2
0
 public function autoCrop($mode = 'default', $threshold = 0.5, $color = -1)
 {
     imagecropauto($this->canvas, Convert::toConstant($mode, 'IMG_CROP_'), $threshold, $color);
     return $this;
 }
Пример #3
0
 public function autoCrop(string $mode = 'default', float $threshold = 0.5, int $color = -1) : InternalGD
 {
     imagecropauto($this->canvas, Converter::toConstant($mode, 'IMG_CROP_'), $threshold, $color);
     return $this;
 }
Пример #4
0
//$to_crop_array = array('x' =>310 , 'y' => 0, 'width' => 573, 'height'=> 500);
//$thumb_im = imagecropauto($im ,IMG_CROP_WHITE , .5 ,-1 );
// $thumb_im = imagecrop($im, $to_crop_array);
//imagepng($thumb_im, 'imgOut.png', 9);
//v3
if (!extension_loaded('gd') || !function_exists('imagecrop')) {
    die('skip GD imagecropauto not present; skipping test');
}
?>
 


<?php 
echo "IMG_CROP_WHITE\n";
$im = imagecreatefrompng("orig.png");
$im_crop = imagecropauto($im, IMG_CROP_WHITE);
imagepng($im_crop, "crop_orig.png");
var_dump(imagesx($im_crop));
var_dump(imagesy($im_crop));
@unlink("crop_orig.png");
/*
$image_src = imagecreatefrompng("orig.png");

$croppedImage = imagecropauto($image_src,IMG_CROP_WHITE);

//header( 'Content-Type: image/png');

imagepng($croppedImage);*/
?>
 
Пример #5
-1
 /**
  * 自动裁剪图片(裁剪透明背景或者四周相同颜色)
  *
  * @return \cn\asarea\image\GD
  */
 public function cropAuto()
 {
     if ($this->isEmpty()) {
         return $this;
     }
     $this->_img = imagecropauto($this->img(), IMG_CROP_DEFAULT);
     return $this;
 }