加载类型为 GIF,JPEG,PNG 和BMP 图片的函数
时间:2006-08-28
来源:互联网
复制PHP内容到剪贴板
<?php
/* Note: Gif only available with GD Lib ver < 1.6 */
function LoadGif ($imgname) {
$im = @imagecreatefromgif ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (150, 30); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
function LoadJpeg ($imgname) {
$im = @imagecreatefromjpeg ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (150, 30); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
function LoadPNG ($imgname) {
$im = @imagecreatefrompng ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (150, 30); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
/* Note: Gif only available with GD Lib ver >= 1.8 */
function LoadWBMP ($imgname) {
$im = @imagecreatefromwbmp ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (20, 20); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 10, 10, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
?>
PHP代码:
<?php
/* Note: Gif only available with GD Lib ver < 1.6 */
function LoadGif ($imgname) {
$im = @imagecreatefromgif ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (150, 30); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
function LoadJpeg ($imgname) {
$im = @imagecreatefromjpeg ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (150, 30); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
function LoadPNG ($imgname) {
$im = @imagecreatefrompng ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (150, 30); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
/* Note: Gif only available with GD Lib ver >= 1.8 */
function LoadWBMP ($imgname) {
$im = @imagecreatefromwbmp ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = imagecreate (20, 20); /* Create a blank image */
$bgc = imagecolorallocate ($im, 255, 255, 255);
$tc = imagecolorallocate ($im, 0, 0, 0);
imagefilledrectangle ($im, 0, 0, 10, 10, $bgc);
/* Output an errmsg */
imagestring ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
?>
作者: xiaojia 发布时间: 2006-08-28
那这个有什么应用的地方呢?
作者: 野草 发布时间: 2006-09-11
论坛没有了以前代码的高亮显示功能!
作者: forest 发布时间: 2006-09-11
怎么同时判断要在页面显示的图片是什么格式的呢?
作者: 散步的男人 发布时间: 2006-09-12
不错哦,支持楼主
作者: fnet 发布时间: 2006-09-12
不错。支持一下。
作者: jefsun 发布时间: 2006-09-20
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