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初始化代码

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赵钊
2025-08-11 10:22:05 +08:00
commit ebd8d85201
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application/api/wxapi/CodeImg.php Normal file
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<?php
namespace app\api\wxapi;
/* $codeImg = new codeImg();
$source = "./uploads/share.png"; //背景图
$codeurl = "./uploads/pic.png"; //合成图
$n_pic='./uploads/1.png';
$generateImg = $codeImg->generateImg($n_pic,$source, $codeurl, 80, 95, 590, 850); */
class CodeImg {
public function generateImgPng($filename='',$source, $codeurl, $pic_position_x=0, $pic_position_y=0, $pic_w=0, $pic_h=0)
{
$main = imagecreatefrompng($source); //imagecreatefromjpeg
$source_w=imagesx($main);
$source_h=imagesy($main);
$target = imagecreatetruecolor($source_w, $source_h);
$white = imagecolorallocate($target, 255, 255, 255);
imagefill($target, 0, 0, $white);
imagecopyresampled($target, $main, 0, 0, 0, 0, $source_w, $source_h, $source_w, $source_h);
$codepic = imagecreatefrompng($codeurl);
$codepic_w=imagesx($codepic);
$codepic_h=imagesy($codepic);
$pic_w=$pic_w?$pic_w:$codepic_w;
$pic_h=$pic_h?$pic_h:$codepic_h;
$position_x=$source_w/2-$codepic_w/2;
$position_y=$source_h-$codepic_h-$source_h*0.2;
$pic_position_x=$pic_position_x?$pic_position_x:$position_x;
$pic_position_y=$pic_position_y?$pic_position_y:$position_y;
imagecopyresampled($target, $codepic, $pic_position_x, $pic_position_y, 0, 0, $pic_w, $pic_h,$codepic_w,$codepic_h);
imagedestroy($codepic);
//$this->createImg();
@mkdir('./' . dirname($filename));
imagepng($target, $filename); //imagejpeg
imagedestroy($main);
imagedestroy($target);
return $filename;
}
public function PngToJpeg($source, $codeurl){
$tmp = imagecreatefrompng($source);
$w = imagesx($tmp);
$y = imagesy($tmp);
$simg = imagecreatetruecolor($w, $y);
$bg =imagecolorallocate($simg, 255, 255, 255);
imagefill($simg, 0, 0, $bg);
imagecopyresized($simg, $tmp, 0, 0, 0, 0,$w, $y, $w, $y);
imagejpeg($tmp, $codeurl);
imagedestroy($tmp);
}
public function generateImgJpg($filename='',$source, $codeurl, $pic_position_x=0, $pic_position_y=0, $pic_w=0, $pic_h=0)
{
$main = imagecreatefromjpeg($source); //imagecreatefromjpeg
$source_w=imagesx($main);
$source_h=imagesy($main);
$target = imagecreatetruecolor($source_w, $source_h);
$white = imagecolorallocate($target, 255, 255, 255);
imagefill($target, 0, 0, $white);
imagecopyresampled($target, $main, 0, 0, 0, 0, $source_w, $source_h, $source_w, $source_h);
$codepic = imagecreatefromjpeg($codeurl);
$codepic_w=imagesx($codepic);
$codepic_h=imagesy($codepic);
$pic_w=$pic_w?$pic_w:$codepic_w;
$pic_h=$pic_h?$pic_h:$codepic_h;
$position_x=$source_w/2-$codepic_w/2;
$position_y=$source_h-$codepic_h-$source_h*0.2;
$pic_position_x=$pic_position_x?$pic_position_x:$position_x;
$pic_position_y=$pic_position_y?$pic_position_y:$position_y;
imagecopyresampled($target, $codepic, $pic_position_x, $pic_position_y, 0, 0, $pic_w, $pic_h,$codepic_w,$codepic_h);
imagedestroy($codepic);
//$this->createImg();
@mkdir('./' . dirname($filename));
imagejpeg($target, $filename); //imagejpeg
imagedestroy($main);
imagedestroy($target);
return $filename;
}
}
?>