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ocaml-camlpdf-devel-1.7.1-3.mga5.x86_64.rpm

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<h1>Module <a href="type_Pdfimage.html">Pdfimage</a></h1>

<pre><span class="keyword">module</span> Pdfimage: <code class="code">sig</code> <a href="Pdfimage.html">..</a> <code class="code">end</code></pre><div class="info module top">
Extract Images.<br>
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<pre><code><span id="TYPEpixel_layout"><span class="keyword">type</span> <code class="type"></code>pixel_layout</span> = </code></pre><table class="typetable">
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<code><span class="keyword">|</span></code></td>
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<code><span id="TYPEELTpixel_layout.BPP1"><span class="constructor">BPP1</span></span></code></td>

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<code><span class="keyword">|</span></code></td>
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<code><span id="TYPEELTpixel_layout.BPP8"><span class="constructor">BPP8</span></span></code></td>

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<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpixel_layout.BPP24"><span class="constructor">BPP24</span></span></code></td>

</tr>
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<td align="left" valign="top" >
<code><span class="keyword">|</span></code></td>
<td align="left" valign="top" >
<code><span id="TYPEELTpixel_layout.BPP48"><span class="constructor">BPP48</span></span></code></td>

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<pre><code><span id="TYPEt"><span class="keyword">type</span> <code class="type"></code>t</span> = </code></pre><table class="typetable">
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<code><span class="keyword">|</span></code></td>
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<code><span id="TYPEELTt.JPEG"><span class="constructor">JPEG</span></span> <span class="keyword">of</span> <code class="type"><a href="Pdfio.html#TYPEbytes">Pdfio.bytes</a> * float list option</code></code></td>

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<code><span class="keyword">|</span></code></td>
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<code><span id="TYPEELTt.JPEG2000"><span class="constructor">JPEG2000</span></span> <span class="keyword">of</span> <code class="type"><a href="Pdfio.html#TYPEbytes">Pdfio.bytes</a> * float list option</code></code></td>

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<code><span class="keyword">|</span></code></td>
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<code><span id="TYPEELTt.JBIG2"><span class="constructor">JBIG2</span></span> <span class="keyword">of</span> <code class="type"><a href="Pdfio.html#TYPEbytes">Pdfio.bytes</a> * float list option</code></code></td>

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<code><span class="keyword">|</span></code></td>
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<code><span id="TYPEELTt.Raw"><span class="constructor">Raw</span></span> <span class="keyword">of</span> <code class="type">int * int * <a href="Pdfimage.html#TYPEpixel_layout">pixel_layout</a> * <a href="Pdfio.html#TYPEbytes">Pdfio.bytes</a></code></code></td>

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<pre><span id="VALget_image_24bpp"><span class="keyword">val</span> get_image_24bpp</span> : <code class="type"><a href="Pdf.html#TYPEt">Pdf.t</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdfimage.html#TYPEt">t</a></code></pre><div class="info ">
Given a pdf document, resources dictionary and a stream representing an
image, return a triple : width, height, and a stream of (width * height * 3)
bytes RGBRGB etc. In all instances, if JPEG or JPEG2000 or JBIG2 is the compression
 method, data is returned still encoded.<br>
</div>

<pre><span id="VALget_image"><span class="keyword">val</span> get_image</span> : <code class="type"><a href="Pdf.html#TYPEt">Pdf.t</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdfimage.html#TYPEt">t</a></code></pre><div class="info ">
Similarly, but if it's to be Raw, use the smallest pixel layout required to
represent the data. Not implemented yet.<br>
</div>

<pre><span id="VALget_image_raw_24bpp"><span class="keyword">val</span> get_image_raw_24bpp</span> : <code class="type"><a href="Pdf.html#TYPEt">Pdf.t</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdfimage.html#TYPEt">t</a></code></pre><div class="info ">
Get the uncompressed image contents in 24bpp, decoding JPEG, JPEG2000 and JBIG2 as
required. Not implemented yet.<br>
</div>

<pre><span id="VALget_image_raw"><span class="keyword">val</span> get_image_raw</span> : <code class="type"><a href="Pdf.html#TYPEt">Pdf.t</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdfimage.html#TYPEt">t</a></code></pre><div class="info ">
Get the uncompressed image contents, decoding JPEG, JPEG2000 and JBIG2 as
required. Not implemented yet.<br>
</div>

<pre><span id="VALget_image_unprocessed_pixel"><span class="keyword">val</span> get_image_unprocessed_pixel</span> : <code class="type"><a href="Pdf.html#TYPEt">Pdf.t</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> <a href="Pdf.html#TYPEpdfobject">Pdf.pdfobject</a> -> (int -> int array) option</code></pre><div class="info ">
Return a function which, when given an x and y coordinate, returns the pixel
byte values prior to any decoding, i.e in the raw input image data before /Decode,
/Index lookups and so on. Returns array of components as bytes.<br>
</div>
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