这个代码是直接将文字转换为图片的,然后默认生成的图片是黑色背景的。。
现在想求高手帮忙如何改为,背景不要色黑色,而是直接为同目录的.jpg图片作为背景呢?
也就是说,生成的图片背景为1.jpg,而不是现在的颜色背景?求如何改。。。研究半天不懂。。
128){
$count += 1;
$flag += 3;
}
else{
$count += 0.5;
$flag += 1 ;
}
if($count >= $width){
$strarr[] = substr($str, 0, $flag);
$str = substr($str, $flag);
$len -= $flag;
$count = 0;
$flag = 0;
}
}
$strarr[] = $str;
return $strarr;
}
function str2rgb($str)
{
$color = array('red'=>0, 'green'=>0, 'blue'=>0);
$str = str_replace('#', '', $str);
$len = strlen($str);
if($len==6){
$arr=str_split($str,2);
$color['red'] = (int)base_convert($arr[0], 16, 10);
$color['green'] = (int)base_convert($arr[1], 16, 10);
$color['blue'] = (int)base_convert($arr[2], 16, 10);
return $color;
}
if($len==3){
$arr=str_split($str,1);
$color['red'] = (int)base_convert($arr[0].$arr[0], 16, 10);
$color['green'] = (int)base_convert($arr[1].$arr[1], 16, 10);
$color['blue'] = (int)base_convert($arr[2].$arr[2], 16, 10);
return $color;
}
return $color;
}
function makeimger($text = 内容获取失败...,$types,$ids){
$setstyle = '52a300'; #设置颜色,也可以开发为页面可选择并传递这个参数,用|格式
$havebrlinker = ; #超长使用分隔符
$fontfile = 'simfang.ttf'; #字体文件名,放font目录下,也可以开发为页面可选择并传递这个参数
$userstyle = explode('|', $setstyle); #分开颜色
$text = substr($text, 0, 1000); #截取前一万个字符
$text = iconv(gb2312, utf-8,$text);
$imgpath = .$types./; #图片存放地址
if(!is_dir($imgpath)){ mkdir($imgpath); }
$imgfile = $imgpath . $ids . '.gif';
if(file_exists($imgfile))
{
return $imgfile;
}
else
{
//这里是边框宽度,可以前台传递参数
$paddingtop = 500;
$paddingleft = 35;
$paddingbottom = 260;
$copyrightheight = 0;
$canvaswidth = 640;
$canvasheight = 1136;
//$canvasheight = $paddingtop + $paddingbottom + $copyrightheight;
$fontsize = 38;
$lineheight = intval($fontsize * 1.8);
$textarr = array();
$temparr = explode(\n, trim($text));
$j = 0;
foreach($temparr as $v){
$arr = str_div($v, 25);
$textarr[] = array_shift($arr);
foreach($arr as $v){
$textarr[] = $havebrlinker . $v;
$j ++;
if($j > 100){ break; }
}
$j ++;
if($j > 100){ break; }
}
$textlen = count($textarr);
$canvasheight = $lineheight * $textlen + $canvasheight;
$im = imagecreatetruecolor($canvaswidth, $canvasheight); #定义画布
$colorarray = str2rgb($userstyle[1]);
imagefill($im, 0, 0, imagecolorallocate($im, $colorarray['red'], $colorarray['green'], $colorarray['blue']));
$colorarray = str2rgb('000000');
$colorline = imagecolorallocate($im, $colorarray['red'], $colorarray['green'], $colorarray['blue']);
$padding = 0;
$x1 = $y1 = $x4 = $y2 = $padding;
$x2 = $x3 = $canvaswidth - $padding - 1;
$y3 = $y4 = $canvasheight - $padding - 1;
//可以开发为页面可选择并传递这个参数,选择是否显示边框以及颜色。
imageline($im, $x1, $y1, $x2, $y2, $colorline);
imageline($im, $x2, $y2, $x3, $y3, $colorline);
imageline($im, $x3, $y3, $x4, $y4, $colorline);
imageline($im, $x4, $y4, $x1, $y1, $colorline);
//字体路径,,也可以开发为页面可选择并传递这个参数
$fontstyle = 'font/' . $fontfile;
if(!is_file($fontstyle)){
exit('请先选择字体文件哦!');
}
//写入四个随即数字
$colorarray = str2rgb($userstyle[0]);
$fontcolor = imagecolorallocate($im, $colorarray['red'], $colorarray['green'], $colorarray['blue']);
foreach($textarr as $k=>$text){
$offset = $paddingtop + $lineheight * ($k + 1) - intval(($lineheight-$fontsize) / 2);
imagettftext($im, $fontsize, 0, $paddingleft, $offset, $fontcolor, $fontstyle, $text);
}
$fontcolor = imagecolorallocate($im, 0, 0, 0);
$offset += 18;
$text = '----------------------------------------------------------------------------------------------';
imagettftext($im, 10, 0, $paddingleft, $offset, $fontcolor, $fontstyle, $text);
