Example: Red to Blue
example_red-to-blue.php
<?php
/**
* Imagettftextgradient Example (Red to Blue)
*
* Copyright (c) 2017-2022 Andrew G. Johnson <andrew@andrewgjohnson.com>
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in the
* Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* PHP version 5
*
* @category Andrewgjohnson
* @package Imagettftextgradient
* @author Andrew G. Johnson <andrew@andrewgjohnson.com>
* @copyright 2017-2022 Andrew G. Johnson <andrew@andrewgjohnson.com>
* @license https://opensource.org/licenses/mit/ The MIT License
* @link https://github.com/andrewgjohnson/imagettftextgradient
*/
// include the imagettftextgradient source if you're not using Composer
if (file_exists('../source/imagettftextgradient.php')) {
include_once '../source/imagettftextgradient.php';
} else {
die('imagettftextgradient.php not found');
}
// set the parameters for our image
$width = 600;
$height = 300;
$size = 20;
$font = __DIR__ . '/arial.ttf';
$string = 'This example fades from red to blue';
// calculate the text size in advance
$text_dimensions = imagettfbbox($size, 0, $font, $string);
// calculate the text's edges
$text_left = min($text_dimensions[0], $text_dimensions[6]);
$text_right = max($text_dimensions[2], $text_dimensions[4]);
$text_top = min($text_dimensions[1], $text_dimensions[3]);
$text_bottom = max($text_dimensions[5], $text_dimensions[7]);
// calculate the text's position
$x_offset = ($width / 2) - (($text_right - $text_left) / 2);
$y_offset = ($height / 2) - (($text_bottom - $text_top) / 2);
// create our image
$im = imagecreatetruecolor($width, $height);
// set our image's colors
$background_color = imagecolorallocate($im, 0xEE, 0xEE, 0xEE);
$red = imagecolorallocate($im, 0xFF, 0x00, 0x00);
$blue = imagecolorallocate($im, 0x00, 0x00, 0xFF);
// fill our image with the background color
imagefill($im, 0, 0, $background_color);
// place the text onto our image
imagettftextgradient(
$im,
$size,
0,
$x_offset,
$y_offset,
$red,
$font,
$string,
$blue
);
// display our image and destroy the GD resource
header('Content-Type:image/png');
imagepng($im);
imagedestroy($im);
Expected Output
example_red-to-blue.png