九宫格切割以及加文字方法
!defined('BASE_PATH') && define('BASE_PATH', dirname(__DIR__, 1));
define('CACHE_PATH', BASE_PATH . '/runtime/cache');
define('RESOURCE_PATH', BASE_PATH . '/resource');
// 九宫格切图且添加文字
imageSlicing9($imgPath, $fonts = [], $fontPath = null)
{
list($width, $height) = getimagesize($imgPath);
$source = imagecreatefromjpeg($imgPath);
$width = $width - $width % 3;
$height = $height - $height % 3;
$baseWidth = $width / 3;
$baseHeight = $height / 3;;
$imgPathMd5 = md5($imgPath);
$results = [];
foreach ([
[0, 0],
[$baseWidth, 0],
[$baseWidth * 2, 0],
[0, $baseHeight],
[$baseWidth, $baseHeight],
[$baseWidth * 2, $baseHeight],
[0, $baseHeight * 2],
[$baseWidth, $baseHeight * 2],
[$baseWidth * 2, $baseHeight * 2],
] as $key => $item) {
$thumb = ImageCreateTrueColor($baseWidth, $baseHeight);
imagecopyresized($thumb, $source, 0, 0, $item[0], $item[1], $baseWidth, $baseHeight, $baseWidth, $baseHeight);
if (!empty($fonts[$key])) {
$fontCount = mb_strlen($fonts[$key], 'utf-8');
$black = imagecolorallocate($thumb, 0, 0, 0);//字体颜色 RGB
$fontSize = 12; //字体大小
$circleSize = 0; //旋转角度
$left = 5;
$right = 5;
$fonttIndex = 0;
$fontList = [];
$fonttRowWidth = $baseWidth - $left - $right;
$fontList[$fonttIndex] = '';
$fontListWidth[$fonttIndex] = 0;
$fonttHeight = $fontSize;
for ($iii = 0; $iii < $fontCount; $iii++) {
$fontt = mb_substr($fonts[$key], $iii, 1, 'utf-8');
$pos = imagettfbbox($fontSize, 0, $fontPath, $fontt);
$fonttWidth = $pos[2] - $pos[0];
$fonttHeight = $pos[3] - $pos[5];
// 计算剩余宽度, 如果够, 那么就挤进去, 否则下一排
if (($fonttRowWidth = $fonttRowWidth - $fonttWidth) > 0) {
$fontList[$fonttIndex] .= $fontt;
$fontListWidth[$fonttIndex] += $fonttWidth;
} else {
$fonttRowWidth = $baseWidth - $left - $right - $fonttWidth;
$fonttIndex++;
$fontList[$fonttIndex] = $fontt;
$fontListWidth[$fonttIndex] = $fonttWidth;
}
}
$top = $baseHeight - ($fonttHeight + 5) * count($fontList) + 5;
if ($top < 0) {
$top = 10;
}
if (count($fontList) == 1) {
$left = intval(($baseWidth - $fontListWidth[0]) / 2);
}
foreach ($fontList as $fontvalue) {
imagefttext($thumb, $fontSize, $circleSize, $left, $top, $black, $fontPath, $fontvalue);
$top = $top + $fonttHeight + 5;
}
/*
$widthFonts = intval($baseWidth / ($fontSize * 1.4)); // 一排显示的文字数量
$rows = ceil($fontCount / $widthFonts);
$top = $baseHeight - ($fontSize + 5) * $rows;
if ($top < 0) {
$top = 0;
}
for ($ii = 1; $ii <= $rows; $ii++) {
// $fontItem = substr($fonts[$key], ($ii - 1) * $widthFonts, $widthFonts);
$fontItem = mb_substr($fonts[$key], ($ii - 1) * $widthFonts, $widthFonts, 'utf-8');
if (!empty($fontItem)) {
var_dump([$left, $top, $fontItem]);
imagefttext($thumb, $fontSize, $circleSize, $left, $top, $black, $fontPath, $fontItem);
}
$top = $top + $fontSize + 5;
}
*/
}
imagejpeg($thumb, $results[] = CACHE_PATH . "/" . $imgPathMd5 . "{$key}.jpg", 100);
}
return $results;
}
执行图片切割且加文字
$imgPath = BASE_PATH . '/runtime/cache/timg.jpg';
$fontPath = RESOURCE_PATH . '/fonts/方正黑体简体.TTF';//字体,字体文件需保存到相应文件夹下
$fonts = ["啊1","啊2","啊3","啊4","啊5","啊6","啊7","啊8","啊9",]
$pp = imageSlicing9($imgPath, $fonts, $fontPath);
var_dump($pp);