PHP GD Library无法使用功能合并到图像 [英] PHP GD Library cannot Merge to image using function
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问题描述
这是我的php类,用于合并到图像
This is my php class to merge to images
mergepic.php
mergepic.php
class mergepic{
public function merge_barchart_drawing($object,$obj)
{
$src = imagecreatefrompng($obj->barchart());
$dest = imagecreatefrompng($object->drawing());
//$src = imagecreatefrompng('http://localhost/graph/barchart.php?barchart='.$_GET['barchart'].'&max='.$_GET['max'].'&digit='.$_GET['digit']);
//$dest = imagecreatefrompng('http://localhost/graph/drawing.php?drawings='.$_GET['drawings'].'&max='.$_GET['max'].'&digit='.$_GET['digit']);
imagealphablending($dest, false);
imagesavealpha($dest, true);
imagecopymerge($dest, $src, 10, 9, 0, 9, 700, 500, 100); //have to play with these numbers for it to work for you, etc.
header('Content-Type: image/png');
imagepng($dest);
imagedestroy($dest);
imagedestroy($src);
}
}
creating_obj,php
creating_obj,php
<?
include('drawing.php');
include('barchart.php');
include('mergepic_class.php');
$draw = new drawgraph();
$barchart = new barchart_graph();
$merge_draw = new mergepic();
$merge_draw_bar = $merge_draw->merge_barchart_drawing($draw,$barchart);
?>
如果我运行 createing_obj.php ,我只会得到一个图像文件,而不是合并两个图像.如果我在imagecreatefrompng()
中使用url而不是类,它可以正常工作.
If i run createing_obj.php i am geting only one image file its not mergeing two images. Instead of class if i use url inside imagecreatefrompng()
it working fine.
请问有什么想法吗?
推荐答案
function barchart(){
return $canvas;
}
或(如果要将此图层图像保存到磁盘):
OR (If you want to save this layer image to disk):
function barchart(){
$path = {path where to save file};
$filename = {filename to save and extension};
imagepng($canvas,$path.$filename);
return $path.$filename;
}
对其他(绘图)类也是如此.
Do this same for the other(drawing) class too..
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