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base: asc:534fd666be504f8c7fa68386075a2aadc14911ad
Branches Tags
asc:main asc:open-graph-tags asc:featured-image-generator asc:install-script asc:event-filters
...
compare: asc:5361b0da90c53f54132d26d7acd20157606f77e7
Branches Tags
asc:main asc:open-graph-tags asc:featured-image-generator asc:install-script asc:event-filters

3 Commits
534fd666be ... 5361b0da90

Author SHA1 Message Date
Anthony Correa
5361b0da90 Merge branch 'featured-image-generator' into open-graph-tags 
# Conflicts:
#	tonys-sportspress-enhancements.php
 2024-05-16 14:32:23 -05:00
Anthony Correa
6427906d15 change to dynamic image generation 2024-05-16 14:25:42 -05:00
Anthony Correa
accbf377a3 first attempt 2024-05-15 11:10:49 -05:00
3 changed files with 200 additions and 2 deletions
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198
includes/featured-image-generator.php Normal file
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@@ -0,0 +1,198 @@
<?php
/*
Plugin Name: SP Event Image Generator
Description: Auto-generates featured images for SP Events by combining team colors and logos.
Version: 1.0
Author: Your Name
*/
add_action('save_post_sp_event', 'generate_event_featured_image', 10, 3);
function generate_bisected_image($color1, $color2, $logo1_path, $logo2_path) {
$width = 1200;
$height = 628;
$x_margin = 0.1 * ($width / 2); // 10% of half the width
$y_margin = 0.1 * $height; // 10% of the height
$image = imagecreatetruecolor($width, $height);
// Allocate colors
$rgb1 = sscanf($color1, "#%02x%02x%02x");
$rgb2 = sscanf($color2, "#%02x%02x%02x");
$color1_alloc = imagecolorallocate($image, $rgb1[0], $rgb1[1], $rgb1[2]);
$color2_alloc = imagecolorallocate($image, $rgb2[0], $rgb2[1], $rgb2[2]);
// Fill halves with a 15-degree angled bisection
$points1 = [
0, 0,
0, $height,
$width*.40, $height,
$width*.60, 0,
];
$points2 = [
$width, 0,
$width, $height,
$width*.40, $height,
$width*.60, 0,
];
imagefilledpolygon($image, $points1, $color1_alloc);
imagefilledpolygon($image, $points2, $color2_alloc);
// Add logos with resizing and positioning if paths are not empty
if (!empty($logo1_path)) {
$logo1 = imagecreatefrompng($logo1_path);
$logo1_width = imagesx($logo1);
$logo1_height = imagesy($logo1);
// Calculate max dimensions for logo 1
$max_width = ($width / 2) - (2 * $x_margin);
$max_height = $height - (2 * $y_margin);
// Resize logo 1
$new_logo1_width = $logo1_width;
$new_logo1_height = $logo1_height;
if ($logo1_width > $max_width || $logo1_height > $max_height) {
$aspect_ratio1 = $logo1_width / $logo1_height;
if ($logo1_width / $max_width > $logo1_height / $max_height) {
$new_logo1_width = $max_width;
$new_logo1_height = $max_width / $aspect_ratio1;
} else {
$new_logo1_height = $max_height;
$new_logo1_width = $max_height * $aspect_ratio1;
}
}
// Center logo 1
$logo1_x = (int) ($width / 4) - ($new_logo1_width / 2);
$logo1_y = (int) ($height / 2) - ($new_logo1_height / 2);
imagecopyresampled($image, $logo1, $logo1_x, $logo1_y, 0, 0, $new_logo1_width, $new_logo1_height, $logo1_width, $logo1_height);
imagedestroy($logo1);
}
if (!empty($logo2_path)) {
$logo2 = imagecreatefrompng($logo2_path);
$logo2_width = imagesx($logo2);
$logo2_height = imagesy($logo2);
// Calculate max dimensions for logo 2
$max_width = ($width / 2) - (2 * $x_margin);
$max_height = $height - (2 * $y_margin);
// Resize logo 2
$new_logo2_width = $logo2_width;
$new_logo2_height = $logo2_height;
if ($logo2_width > $max_width || $logo2_height > $max_height) {
$aspect_ratio2 = $logo2_width / $logo2_height;
if ($logo2_width / $max_width > $logo2_height / $max_height) {
$new_logo2_width = $max_width;
$new_logo2_height = $max_width / $aspect_ratio2;
} else {
$new_logo2_height = $max_height;
$new_logo2_width = $max_height * $aspect_ratio2;
}
}
// Center logo 2
$logo2_x = (int) (3 * $width / 4) - ($new_logo2_width / 2);
$logo2_y = (int) ($height / 2) - ($new_logo2_height / 2);
imagecopyresampled($image, $logo2, $logo2_x, $logo2_y, 0, 0, $new_logo2_width, $new_logo2_height, $logo2_width, $logo2_height);
imagedestroy($logo2);
}
// Start output buffering to capture the image data
ob_start();
imagepng($image); // Output the image as PNG
$image_data = ob_get_clean(); // Get the image data from the buffer
// Clean up memory
imagedestroy($image);
return $image_data;
}
function add_image_generator_endpoint() {
add_rewrite_endpoint('head-to-head', EP_ROOT, true);
}
add_action('init', 'add_image_generator_endpoint');
function handle_image_request() {
if (!isset($_GET['post'])) return;
$post_id = $_GET['post'];
$post = get_post($post_id);
// Verify post type
if (!$post && $post->post_type !== 'sp_event') return;
// Get associated teams from post meta
$team_ids = get_post_meta($post_id, 'sp_team', false); // false to get an array of values
// Ensure we have exactly two teams
if (count($team_ids) < 2) return;
$team1_id = $team_ids[0];
$team2_id = $team_ids[1];
$team1 = get_post($team1_id);
$team2 = get_post($team2_id);
$team1_postmodified = strtotime($team1->post_modified);
$team2_postmodified = strtotime($team2->post_modified);
$cache_key = "team_image_{$team1_id}_{$team1_postmodified}-{$team2_id}_{$team2_postmodified}";
$cached_image_path = get_transient($cache_key);
if ($cached_image_path && file_exists($cached_image_path)) {
serve_image($cached_image_path);
exit;
}
// Get team colors and logos
$team1_colors = get_post_meta($team1_id, 'sp_colors', true);
$team2_colors = get_post_meta($team2_id, 'sp_colors', true);
$default_color = '#FFFFFF'; // Default color (black)
$team1_color = !empty($team1_colors['primary']) ? $team1_colors['primary'] : $default_color;
$team2_color = !empty($team2_colors['primary']) ? $team2_colors['primary'] : $default_color;
// Security check for hex color
$team1_color = preg_match('/^#[a-fA-F0-9]{6}$/', $team1_color) ? $team1_color : '#FFFFFF';
$team2_color = preg_match('/^#[a-fA-F0-9]{6}$/', $team2_color) ? $team2_color : '#FFFFFF';
$team1_logo_url = get_the_post_thumbnail_url($team1_id, 'full');
$team2_logo_url = get_the_post_thumbnail_url($team2_id, 'full');
// Check if both team colors are default and both logos are empty
if (($team1_color === $default_color && empty($team1_logo_url)) && ($team2_color === $default_color && empty($team2_logo_url))) {
return; // Do nothing if both teams have no valid color or logo
}
$team1_logo_thumbnail_id = get_post_thumbnail_id($team1_id, 'full');
$team2_logo_thumbnail_id = get_post_thumbnail_id($team2_id, 'full');
$team1_logo = get_attached_file($team1_logo_thumbnail_id);
$team2_logo = get_attached_file($team2_logo_thumbnail_id);
// Generate the image if no valid cache exists
$image_data = generate_bisected_image($team1_color, $team2_color, $team1_logo, $team2_logo);
$image_path = save_image_to_cache($image_data, $cache_key);
set_transient($cache_key, $image_path, DAY_IN_SECONDS * 30); // Cache for 30 days
serve_image($image_path);
exit;
}
add_action('template_redirect', 'handle_image_request');
function serve_image($image_path) {
header('Content-Type: image/png');
readfile($image_path);
}
function save_image_to_cache($image_data, $cache_key) {
$upload_dir = wp_get_upload_dir();
$file_path = $upload_dir['path'] . '/' . $cache_key . '.png';
// Assuming $image_data is raw image data
file_put_contents($file_path, $image_data);
return $file_path;
}

3
includes/open-graph-tags.php
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@@ -96,8 +96,7 @@ function custom_open_graph_tags_with_sportspress_integration() {
}
$description .= " " . $post->post_content;
$post_thumbnail = get_the_post_thumbnail_url($post->ID, 'thumbnail');
$image = $post_thumbnail ? $post_thumbnail : get_site_icon_url();
$image = get_site_url() . "/head-to-head?post={$post->ID}";
echo '<meta property="og:type" content="article" />' . "\n";
echo '<meta property="og:image" content="'. $image . '" />' . "\n";
echo '<meta property="og:title" content="' . $title . '" />' . "\n";

1
tonys-sportspress-enhancements.php
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@@ -15,3 +15,4 @@
// Include other files here
require_once plugin_dir_path(__FILE__) . 'includes/open-graph-tags.php';
require_once plugin_dir_path(__FILE__) . 'includes/featured-image-generator.php';