php在图片上写字的类

class showChinaText {

var $text = ‘php网站程序开发’;

var $font = ‘fonts/simsun.ttc’; //如果没有要自己加载到相应的目录下(本地www)

var $angle = 0;

var $size = 15;

var $showX = 100;

var $showY = 160;

var $text0 = ‘2011 年 12 月 12 日’;

var $angle0 = 0;

var $showX0 = 230;

var $showY0 = 200;

function showChinaText($showText = ”) {

$this->text = ! isset ( $showText ) ? $showText : $this->text;

$this->show ();

}

function createText($instring) {

$outstring = “”;

$max = strlen ( $instring );

for($i = 0; $i < $max; $i ++) {

$h = ord ( $instring [$i] );

if ($h >= 160 && $i < $max – 1) {

$outstring .= substr ( $instring, $i, 2 );

$i ++;

} else {

$outstring .= $instring [$i];

}

}

return $outstring;

}

function show() {

//输出头内容

Header ( “Content-type: image/png” );

//建立图象

//$image = imagecreate(400,300);

$image = imagecreatefromjpeg ( “01.jpg” ); //这里的图片，换成你的图片路径

//定义颜色

$red = ImageColorAllocate ( $image, 255, 0, 0 );

$white = ImageColorAllocate ( $image, 255, 255, 255 );

$black = ImageColorAllocate ( $image, 0, 0, 0 );

//填充颜色

//ImageFilledRectangle($image,0,0,200,200,$red);

//显示文字

$txt = $this->createText ( $this->text );

$txt0 = $this->createText ( $this->text0 );

$txt1 = $this->createText ( $this->text1 );

$txt2 = $this->createText ( $this->text2 );

$txt3 = $this->createText ( $this->text3 );

$txt4 = $this->createText ( $this->text4 );

//写入文字

imagettftext ( $image, $this->size, $this->angle, $this->showX, $this->showY, $white, $this->font, $txt );

imagettftext ( $image, $this->size, $this->angle0, $this->showX0, $this->showY0, $white, $this->font, $txt0 );

//ImageString($image,5,50,10,$txt,$white);

//显示图形

imagejpeg ( $image );

imagegif ( $image, “a2.jpg” );

ImageDestroy ( $image );

}

}

?>

//使用

$s = new showChinaText ();

?>

标签：PHP, 图片写字