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Test functions

resource_random_jpg()

Description

Generates a random JPEG image for a given resource with random background color and text.

This function creates an image of specified dimensions with a random background color
and text indicating the resource reference. The image is then saved to the resource's
designated path and also triggers the creation of previews for the resource.

Parameters

ColumnTypeDefaultDescription
$resource int The reference ID of the resource for which the image is being created.
$width int The width of the generated image in pixels.
$height int The height of the generated image in pixels.

Return

bool Returns true on success, indicating that the image was created and saved successfully.

Location

include/test_functions.php lines 17 to 37

Definition

 
function resource_random_jpg($resource,$width, $height)
    {
    // Set random colours 
    $bg_r =  mt_rand(0,255);
    $bg_g = mt_rand(0,255);
    $bg_b = mt_rand(0,255);

    // Create image
    $test_image = imagecreate($width, $height);
    $text_r = $bg_r < 128 ? $bg_r + 100 : $bg_r - 100;
    $text_g = $bg_g < 128 ? $bg_g + 100 : $bg_g - 100;
    $text_b = $bg_b < 128 ? $bg_b + 100 : $bg_b - 100;
    $text_col = imagecolorallocate($test_image, $text_r, $text_g, $text_b);
    imagestring($test_image, 5, 20, 15,  'Image ' . $resource, $text_col);

    $path = get_resource_path($resource,true,'',true,'jpg');
    imagejpeg($test_image, $path,50);
    create_previews($resource,false,'jpg');

    return true;
    }

This article was last updated 17th November 2024 15:35 Europe/London time based on the source file dated 8th November 2024 11:45 Europe/London time.