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<?php
/**
* class TeksKeGambar
* Class ini digunakan untuk mengconvert teks ke gambar
*/
class TeksKeGambar {
private $img;
//Membuat gambar dari teks
function buatGambar($text, $ukuranFont = 20, $lebarGbr = 400, $tinggiGbr = 80){
//path font
$font = 'font/Roboto-Black.ttf';
//membuat gambar
$this->img = imagecreatetruecolor($lebarGbr, $tinggiGbr);
//memberi warna RGB
$white = imagecolorallocate($this->img, 44, 62, 80);
$grey = imagecolorallocate($this->img, 128, 128, 128);
$black = imagecolorallocate($this->img, 255, 255, 255);
imagefilledrectangle($this->img, 0, 0, $lebarGbr - 1, $tinggiGbr - 1, $white);
//ganti baris
$pisahTeks = explode ( "\\n" , $text );
$baris = count($pisahTeks);
foreach($pisahTeks as $txt){
$textBox = imagettfbbox($ukuranFont,$angle,$font,$txt);
$lebarTeks = abs(max($textBox[2], $textBox[4]));
$tinggiTeks = abs(max($textBox[5], $textBox[7]));
$x = (imagesx($this->img) - $lebarTeks)/2;
$y = ((imagesy($this->img) + $tinggiTeks)/2)-($baris-2)*$tinggiTeks;
$baris = $baris-1;
//menambahkan bayangan untuk teks
imagettftext($this->img, $ukuranFont, $angle, $x, $y, $grey, $font, $txt);
//menambahkan teks
imagettftext($this->img, $ukuranFont, $angle, $x, $y, $black, $font, $txt);
}
return true;
}
//Menampilkan gambar
function tampilkanGambar(){
header('Content-Type: image/png');
return imagepng($this->img);
}
//Simpan gambar sebagai format png
function simpanKePng($namaFile = 'text-image', $lokasi = ''){
$namaFile = $namaFile.".png";
$namaFile = !empty($lokasi)?$lokasi.$namaFile:$namaFile;
return imagepng($this->img, $namaFile);
}
//Simpan gambar sebagai format jpg
function simpanKeJpg($namaFile = 'text-image', $lokasi = ''){
$namaFile = $namaFile.".jpg";
$namaFile = !empty($lokasi)?$lokasi.$namaFile:$namaFile;
return imagejpeg($this->img, $namaFile);
}
}