diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/message_picture.php | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/message_picture.php b/src/message_picture.php new file mode 100644 index 0000000..26ce60e --- /dev/null +++ b/src/message_picture.php @@ -0,0 +1,132 @@ +<?php +function generate_message_screenshot(GdImage $pfp, string $username, string $channel, string $message, int $timestamp): GdImage +{ + $font_size = 18; + $font_path = 'Arial.ttf'; + $width = 500; + $height = 200; + $pad_x = 24; + $spacing = 4; + + // dividing the message lines + $message_lines = []; + $max_line_width = $width - $pad_x * 4; + $buffer_line = ""; + $buffer_part = ""; + + foreach (str_split($message) as $c) { + $buffer_part .= $c; + + $bbox_line = imagettfbbox($font_size, 0, $font_path, $buffer_line); + $bbox_part = imagettfbbox($font_size, 0, $font_path, $buffer_part); + + $line_width = abs($bbox_line[2] - $bbox_line[0]); + $line_width += abs($bbox_part[2] - $bbox_part[0]); + + if ($line_width >= $max_line_width) { + if (empty($buffer_line)) { + $buffer_line .= $buffer_part; + $buffer_part = ""; + } + + array_push($message_lines, $buffer_line); + $buffer_line = ""; + } + + if ($c == ' ') { + $buffer_line .= $buffer_part; + $buffer_part = ""; + } + } + + if (!empty($buffer_part)) { + $buffer_line .= $buffer_part; + } + + array_push($message_lines, $buffer_line); + + // counting real image height + for ($i = 0; $i < count($message_lines); $i++) { + $h = $pad_x + imagesy($pfp) + $font_size * $i + $spacing * $i; + if ($h + $font_size * 2 >= $height) { + $height += $font_size + $spacing; + } + } + + $height += $font_size + $pad_x + $spacing; + + $image = imagecreate($width, $height); + + $gray_color = imagecolorallocate($image, 50, 50, 50); + $black_color = imagecolorallocate($image, 0, 0, 0); + $white_color = imagecolorallocate($image, 255, 255, 255); + + // setting the background + imagefilledrectangle($image, 0, 0, $width, $height, $white_color); + + // setting the user's pfp + imagecopy( + $image, + $pfp, + $pad_x, + $pad_x, + 0, + 0, + imagesx($pfp), + imagesy($pfp) + ); + + // setting the username and the channel name + imagettftext( + $image, + $font_size, + 0, + imagesx($pfp) + 32, + imagesy($pfp) / 2 + $pad_x, + $black_color, + $font_path, + $username + ); + + imagettftext( + $image, + $font_size - 2, + 0, + imagesx($pfp) + 32, + imagesy($pfp) / 2 + $pad_x + $font_size, + $gray_color, + $font_path, + "in #{$channel}" + ); + + // setting the message + for ($i = 0; $i < count($message_lines); $i++) { + $h = 32 + $pad_x + imagesy($pfp) + $font_size * $i + $spacing * $i; + imagettftext( + $image, + $font_size, + 0, + $pad_x, + $h, + $black_color, + $font_path, + $message_lines[$i] + ); + } + + // drawing the twitch logo + + // setting the date + imagettftext( + $image, + $font_size - 4, + 0, + $pad_x, + $height - $pad_x, + $gray_color, + $font_path, + date("F j, Y ยท G:i", $timestamp) . ' (UTC)' + ); + + return $image; +}
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