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Added documentation for imagecreatefromwbmp() and imagewbmp() functions.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@38841 c90b9560-bf6c-de11-be94-00142212c4b1
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foobar 2001-01-07 22:24:04 +00:00
parent e7db19e022
commit 1406cee9c9
1 changed files with 103 additions and 11 deletions
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114
functions/image.xml
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@ -811,6 +811,52 @@ function LoadPNG ($imgname) {
</refsect1>
</refentry>
<refentry id="function.imagecreatefromwbmp">
<refnamediv>
<refname>ImageCreateFromWBMP</refname>
<refpurpose>Create a new image from file or URL</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>int <function>imagecreatefromwbmp</function></funcdef>
<paramdef>string <parameter>filename</parameter></paramdef>
</funcprototype>
</funcsynopsis>
<para>
<function>ImageCreateFromWBMP</function> returns an image identifier
representing the image obtained from the given filename.
</para>
<para>
<function>ImageCreateFromWBMP</function> returns an empty string
on failure. It also outputs an error message, which unfortunately
displays as a broken link in a browser. To ease debugging the
following example will produce an error <acronym>WBMP</acronym>:
<example>
<title>
Example to handle an error during creation (courtesy
vic@zymsys.com)
</title>
<programlisting role="php">
function LoadWBMP ($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 $im;
}
</programlisting>
</example>
</para>
</refsect1>
</refentry>
<refentry id="function.imagedashedline">
<refnamediv>
<refname>ImageDashedLine</refname>
@ -1063,21 +1109,25 @@ function LoadPNG ($imgname) {
portable PHP applications by auto-detecting the
type of GD support which is available. Replace
the sequence <literal>Header("Content-type: image/gif");
ImageGif($im);</literal> by the more flexible sequence:
ImageGIF($im);</literal> by the more flexible sequence:
<informalexample>
<programlisting role="php">
&lt;?php
if (function_exists("imagegif")) {
Header("Content-type: image/gif");
ImageGif($im);
ImageGIF($im);
}
elseif (function_exists("imagejpeg")) {
Header("Content-type: image/jpeg");
ImageJpeg($im, "", 0.5);
ImageJPEG($im, "", 0.5);
}
elseif (function_exists("imagepng")) {
Header("Content-type: image/png");
ImagePng($im);
ImagePNG($im);
}
elseif (function_exists("imagewbmp")) {
Header("Content-type: image/vnd.wap.wbmp");
ImageWBMP($im);
}
else
die("No image support in this PHP server");
@ -1105,8 +1155,8 @@ elseif (ImageTypes() &amp; IMG_JPG) {
</note>
</para>
<para>
See also <function>ImagePng</function>,
<function>ImageJpeg</function>, <function>ImageTypes</function>.
See also <function>ImagePNG</function>, <function>ImageWBMP</function>,
<function>ImageJPEG</function>, <function>ImageTypes</function>.
</para>
</refsect1>
</refentry>
@ -1130,7 +1180,7 @@ elseif (ImageTypes() &amp; IMG_JPG) {
</funcprototype>
</funcsynopsis>
<para>
The <function>ImagePng</function> outputs a GD image stream
The <function>ImagePNG</function> outputs a GD image stream
(<parameter>im</parameter>) in PNG format to standard output
(usually the browser) or, if a filename is given by the
<parameter>filename</parameter> it outputs the image to the file.
@ -1144,8 +1194,8 @@ ImagePng($im);
</informalexample>
</para>
<para>
See also <function>ImageGif</function>,
<function>ImageJpeg</function>, <function>ImageTypes</function>.
See also <function>ImageGIF</function>, <function>ImageWBMP</function>,
<function>ImageJPEG</function>, <function>ImageTypes</function>.
</para>
</refsect1>
</refentry>
@ -1190,8 +1240,50 @@ ImagePng($im);
</note>
</para>
<para>
See also <function>ImagePng</function>,
<function>ImageGif</function>, <function>ImageTypes</function>.
See also <function>ImagePNG</function>, <function>ImageGIF</function>,
<function>ImageWBMP</function>, <function>ImageTypes</function>.
</para>
</refsect1>
</refentry>
<refentry id="function.imagewbmp">
<refnamediv>
<refname>ImageWBMP</refname>
<refpurpose>Output image to browser or file</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<funcsynopsis>
<funcprototype>
<funcdef>int <function>imageWBMP</function></funcdef>
<paramdef>int <parameter>im</parameter></paramdef>
<paramdef>string
<parameter><optional>filename</optional></parameter>
</paramdef>
</funcprototype>
</funcsynopsis>
<para>
<function>ImageWBMP</function> creates the
<acronym>WBMP</acronym> file in filename from the image
<parameter>im</parameter>. The <parameter>im</parameter> argument
is the return from the <function>ImageCreate</function> function.
</para>
<para>
The filename argument is optional, and if left off, the raw image
stream will be output directly.
By sending an <acronym>image/vnd.wap.wbmp</acronym> content-type
using <function>header</function>, you can create
a PHP script that outputs WBMP images directly.
<note>
<para>
WBMP support is only available in PHP if PHP was compiled
against GD-1.8 or later.
</para>
</note>
</para>
<para>
See also <function>ImagePNG</function, <function>ImageGIF</function>,
<function>ImageJPEG</function>, <function>ImageTypes</function>.
</para>
</refsect1>
</refentry>