Viewing file:  img_crop_to_file.php (4.52 KB) -rw-r--r--
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<?php
$pagina_actual="administrar-fotos-productos";
$categoria_actual="productos";
require_once("includes/config.php");
require_once("includes/funciones.php");
$id=cadena_segura($_GET["id"],11);
/*
* !!! THIS IS JUST AN EXAMPLE !!!, PLEASE USE ImageMagick or some other quality image processing libraries
*/
$imgUrl = $_POST['imgUrl'];
// original sizes
$imgInitW = $_POST['imgInitW'];
$imgInitH = $_POST['imgInitH'];
// resized sizes
$imgW = $_POST['imgW'];
$imgH = $_POST['imgH'];
// offsets
$imgY1 = $_POST['imgY1'];
$imgX1 = $_POST['imgX1'];
// crop box
$cropW = $_POST['cropW'];
$cropH = $_POST['cropH'];
// rotation angle
$angle = $_POST['rotation'];
$jpeg_quality = 80;
$output_filename = "temp/croppedImg_".rand();
// uncomment line below to save the cropped image in the same location as the original image.
//$output_filename = dirname($imgUrl). "/croppedImg_".rand();
$what = getimagesize($imgUrl);
switch(strtolower($what['mime']))
{
case 'image/png':
$img_r = imagecreatefrompng($imgUrl);
$source_image = imagecreatefrompng($imgUrl);
$type = '.png';
break;
case 'image/jpeg':
$img_r = imagecreatefromjpeg($imgUrl);
$source_image = imagecreatefromjpeg($imgUrl);
error_log("jpg");
$type = '.jpeg';
break;
case 'image/gif':
$img_r = imagecreatefromgif($imgUrl);
$source_image = imagecreatefromgif($imgUrl);
$type = '.gif';
break;
default: die('image type not supported');
}
//Check write Access to Directory
if(!is_writable(dirname($output_filename))){
$response = Array(
"status" => 'error',
"message" => 'Can`t write cropped File'
);
}else{
/*
// resize the original image to size of editor
$resizedImage = imagecreatetruecolor($imgW, $imgH);
imagecopyresampled($resizedImage, $source_image, 0, 0, 0, 0, $imgW, $imgH, $imgInitW, $imgInitH);
// rotate the rezized image
$rotated_image = imagerotate($resizedImage, -$angle, 0);
// find new width & height of rotated image
$rotated_width = imagesx($rotated_image);
$rotated_height = imagesy($rotated_image);
// diff between rotated & original sizes
$dx = $rotated_width - $imgW;
$dy = $rotated_height - $imgH;
// crop rotated image to fit into original rezized rectangle
$cropped_rotated_image = imagecreatetruecolor($imgW, $imgH);
imagecolortransparent($cropped_rotated_image, imagecolorallocate($cropped_rotated_image, 0, 0, 0));
imagecopyresampled($cropped_rotated_image, $rotated_image, 0, 0, $dx / 2, $dy / 2, $imgW, $imgH, $imgW, $imgH);
// crop image into selected area
$final_image = imagecreatetruecolor($cropW, $cropH);
imagecolortransparent($final_image, imagecolorallocate($final_image, 0, 0, 0));
imagecopyresampled($final_image, $cropped_rotated_image, 0, 0, $imgX1, $imgY1, $cropW, $cropH, $cropW, $cropH);
// finally output png image
//imagepng($final_image, $output_filename.$type, $png_quality);
imagejpeg($final_image, $output_filename.$type, $jpeg_quality);
*/
//extra cds
$timestamp=time();
//thumb
$resizedImage = imagecreatetruecolor($imgW, $imgH);
imagecopyresampled($resizedImage, $source_image, 0, 0, 0, 0, $imgW, $imgH, $imgInitW, $imgInitH);
$final_image = imagecreatetruecolor($cropW, $cropH);
imagecopyresampled($final_image, $resizedImage, 0, 0, $imgX1, $imgY1, $cropW, $cropH, $cropW, $cropH);
imageinterlace($final_image, true);//progresiva
imagejpeg($final_image, $carpeta_productos_thumb.$timestamp.$type, $jpeg_quality);
//original
$resizedImage = imagecreatetruecolor($imgW*$ancho_productos_original/$cropW, $imgH*$alto_productos_original/$cropH);
imagecopyresampled($resizedImage, $source_image, 0, 0, 0, 0, $imgW*$ancho_productos_original/$cropW, $imgH*$alto_productos_original/$cropH, $imgInitW, $imgInitH);
//hasta aca tengo la imagen achicada un poco sin crop
$final_image = imagecreatetruecolor($ancho_productos_original, $alto_productos_original);
imagecopyresampled($final_image, $resizedImage, 0, 0, $imgX1*$ancho_productos_original/$cropW, $imgY1*$alto_productos_original/$cropH, $ancho_productos_original, $alto_productos_original, $ancho_productos_original, $alto_productos_original);
imageinterlace($final_image, true);//progresiva
imagejpeg($final_image, $carpeta_productos_original.$timestamp.$type, $jpeg_quality);
$nombre_archivo=$timestamp.$type;
$result=$mysqli->query("
INSERT INTO foto_producto (id_producto, nombre, orden)
VALUES (
'$id',
'$nombre_archivo',
'99999'
)");
//hasta aca
$response = Array(
"status" => 'success',
"url" => $output_filename.$type
);
}
print json_encode($response);
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