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TurboJPEG: Add alpha offset array/method

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Also, set the red/green/blue offsets for TJPF_GRAY to -1 rather than 0.
It was undefined behavior for an application to use those arrays/methods
with TJPF_GRAY anyhow, and this makes it easier for applications to
programmatically detect whether a given pixel format has red, green, and
blue components.
This commit is contained in:
DRC
2017-11-16 20:43:12 -06:00
parent aa7459050d
commit dc4b900223
26 changed files with 265 additions and 81 deletions
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13
java/doc/index-all.html
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@@ -7,8 +7,12 @@
</head>
<body>
<script type="text/javascript"><!--
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="Index";
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="Index";
}
}
catch(err) {
}
//-->
</script>
@@ -349,6 +353,11 @@
</a>
<h2 class="title">G</h2>
<dl>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJ.html#getAlphaOffset(int)">getAlphaOffset(int)</a></span> - Static method in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</a></dt>
<dd>
<div class="block">For the given pixel format, returns the number of bytes that the alpha
component is offset from the start of the pixel.</div>
</dd>
<dt><span class="strong"><a href="./org/libjpegturbo/turbojpeg/TJ.html#getBlueOffset(int)">getBlueOffset(int)</a></span> - Static method in class org.libjpegturbo.turbojpeg.<a href="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</a></dt>
<dd>
<div class="block">For the given pixel format, returns the number of bytes that the blue