php Imagick 生成图片

1. [代码]生成图片代码

public function getPic(){
		header('Content-Type: text/html; charset=utf-8');
		$text = '中粮屯河（sh600737）';//中粮屯河（sh600737）
		$watermark = '305988103123zczcxzas';
		$len = strlen($text);
		$width = 10.5*(($len-8)/3*2+8);
		$height = 26;
		
		$imagick = new Imagick();
		$color_transparent = new ImagickPixel('#ffffff');	//transparent 透明色
		
		$imagick->newImage($width, $height, $color_transparent, 'jpg');
		//$imagick->borderimage('#000000', 1, 1);
		
		$style['font_size'] = 12;
		$style['fill_color'] = '#000000';
		for($num= strlen($watermark); $num>=0; $num--){
			$this->add_text($imagick,substr($watermark, $num,1), 2+($num*8), 30, 1,$style);
			$this->add_text($imagick,substr($watermark, $num,1), 2+($num*8), 5, 1,$style);
		}
		
		//return;
		$style['font_size'] = 20;
		$style['fill_color'] = '#FF0000';
		$style['font'] = './msyh.ttf'; ///微软雅黑字体  解决中文乱码
		//$text=mb_convert_encoding($text,'UTF-8'); //iconv("GBK","UTF-8//IGNORE",$text);
		$this->add_text($imagick,$text, 2, 20, 0,$style);
		
		header ( 'Content-type: ' . strtolower ($imagick->getImageFormat ()) );
		echo $imagick->getImagesBlob ();
	}
	
	// 添加水印文字
	public function add_text(& $imagick, $text, $x = 0, $y = 0, $angle = 0, $style = array()) {
		$draw = new ImagickDraw ();
		if (isset ( $style ['font'] ))
			$draw->setFont ( $style ['font'] );
		if (isset ( $style ['font_size'] ))
			$draw->setFontSize ( $style ['font_size'] );
		if (isset ( $style ['fill_color'] ))
			$draw->setFillColor ( $style ['fill_color'] );
		if (isset ( $style ['under_color'] ))
			$draw->setTextUnderColor ( $style ['under_color'] );
		if (isset ( $style ['font_family'] ))
			$draw->setfontfamily( $style ['font_family'] );
		if (isset ( $style ['font'] ))
			$draw->setfont($style ['font'] );
		$draw->settextencoding('UTF-8');
		if (strtolower ($imagick->getImageFormat ()) == 'gif') {
			foreach ( $imagick as $frame ) {
				$frame->annotateImage ( $draw, $x, $y, $angle, $text );
			}
		} else {
			$imagick->annotateImage ( $draw, $x, $y, $angle, $text );
		}
	}

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