Skip to main content

NDArray::toImage

public function toImage(): GdImage;

Convert an array of shape (3, h, w) to a PHP-GD RGB image.

Notes

note

PHP-GD REQUIRED

The PHP-GD extension must be installed during NumPower compilation for this function to be available.

tip

GPU SUPPORTED

This operation is supported by GPU (VRAM) and contains a custom CUDA kernel.

Examples

use \NDArray as nd;

$gd_image_array = nd::array(imagecreatefromjpeg("test_img.jpg"));

print_r($gd_image_array->shape());

// Your operations here
// ...
// End of operations

$gd_image = $gd_image_array->toImage();
print_r($gd_image); // Now we have a GD image
imagejpeg($gd_image, "out.jpg"); // Save the image

Array
(
    [0] => 3
    [1] => 1200
    [2] => 1920
)
GdImage Object
(
)

Notes
Examples