98 lines
2.7 KiB
PHP
98 lines
2.7 KiB
PHP
<?php
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require_once __DIR__ . '/vendor/autoload.php';
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use Imagine\Gd\Font;
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use Imagine\Gd\Imagine;
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use Imagine\Image\Palette\RGB;
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use Imagine\Image\Point;
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$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
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$dotenv->safeLoad();
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$templatesDirectory = __DIR__ . '/templates';
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$validFiles = [
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'diplom-1.png' => [
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'positions' => [
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'top' => ['x' => 125, 'y' => 270, 'maxWidth' => 262],
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'bottom' => ['x' => 150, 'y' => 350, 'maxWidth' => 216],
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'bottomSecond' => ['x' => 150, 'y' => 400, 'maxWidth' => 216],
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],
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],
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];
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$template = $_GET['template'] ?? '';
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$topText = $_GET['top'] ?? '';
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$bottomText = $_GET['bottom'] ?? '';
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$bottomSecondText = $_GET['bottomSecond'] ?? '';
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if (!isset($validFiles[$template]) || !file_exists(sprintf('%s/%s', $templatesDirectory, $template))) {
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die('Invalid template');
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}
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if (empty($topText) || empty($bottomText)) {
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die('Invalid text');
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}
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/**
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* Get centered X coordinate
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*
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* @param int $originalX
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* @param int $maxWidth
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* @param Imagine\Image\BoxInterface $textBox
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*
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* @return int
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*/
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function getXCoord($originalX, $maxWidth, $textBox)
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{
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$result = $originalX + ($maxWidth - $textBox->getWidth()) / 2;
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if ($result < 1) {
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return 1;
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}
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return (int) $result;
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}
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$templateFile = sprintf('%s/%s', $templatesDirectory, $template);
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$positions = $validFiles[$template]['positions'];
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$imagine = new Imagine();
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$palette = new RGB();
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$colorBlack = $palette->color('#000000', 100);
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$transparent = $palette->color('#FFFFFF', 0);
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$image = $imagine->open($templateFile);
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$font = new Font($_ENV['FONT_LOCATION'], 12, $colorBlack);
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$transparentFont = new Font($_ENV['FONT_LOCATION'], 0, $transparent);
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$top = $positions['top'];
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$bottom = $positions['bottom'];
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$bottomSecond = $positions['bottomSecond'];
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$topBox = $font->box($topText);
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$topX = getXCoord($top['x'], $top['maxWidth'], $topBox);
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$topY = $top['y'];
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$bottomBox = $font->box($bottomText);
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$bottomX = getXCoord($bottom['x'], $bottom['maxWidth'], $bottomBox);
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$bottomY = $bottom['y'];
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$bottomSecondBox = $transparentFont->box('placeholder');
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if (!empty($bottomSecondText)) {
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$bottomSecondBox = $font->box($bottomSecondText);
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}
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$bottomSecondX = getXCoord($bottomSecond['x'], $bottomSecond['maxWidth'], $bottomSecondBox);
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$bottomSecondY = $bottomSecond['y'];
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$topPosition = new Point($topX, $topY);
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$bottomPosition = new Point($bottomX, $bottomY);
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$bottomSecondPosition = new Point($bottomSecondX, $bottomSecondY);
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$image->draw()->text($topText, $font, $topPosition, 0, $top['maxWidth'] ?? null);
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$image->draw()->text($bottomText, $font, $bottomPosition, 0, $bottom['maxWidth'] ?? null);
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$image->draw()->text($bottomSecondText, $font, $bottomSecondPosition, 0, $bottomSecond['maxWidth'] ?? null);
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$image->show('png');
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