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copied!<h2>Update 12/12/2012:</h2> <p>The FreeImageDecoder plugin now supports multi-page TIFF files, and uses libtiff internally. This is the suggested way to deal with very complex/rare .TIFF files.</p> <hr> <p><strong>The TIFF format is extremely complex and poorly standardized. Most libraries (like GDI+ (System.Drawing) and WIC (WPF)) only implement a fraction of the standard, let alone the de-facto features and additions.</strong></p> <p>To get this level of .TIFF support, you need to use a library <em>dedicated</em> to .TIFF support such as <a href="http://www.libtiff.org/" rel="nofollow">libtiff</a> or <a href="http://bitmiracle.com/libtiff/" rel="nofollow">libtiff.net</a>. </p> <p><strong>ImageResizer <em>does</em> integrate with LibTiff via FreeImage and the FreeImageDecoder plugin, but multi-page support hasn't been implemented yet</strong>. </p> <p>You're not up a creek without a paddle - there are many ways to solve your dilemma:</p> <ol> <li><a href="http://imageresizing.net/plugins/freeimage" rel="nofollow">Fork FreeImageDecoder</a> and add multi-page support. Difficulty: 7</li> <li>Subclass <a href="http://documentation.imageresizing.net/doxygen/class_image_resizer_1_1_resizing_1_1_builder_extension.html" rel="nofollow">BuilderExtension</a>, override <a href="http://documentation.imageresizing.net/doxygen/class_image_resizer_1_1_resizing_1_1_abstract_image_processor.html#ae5d188de9b281e6d1885c86f211190d0" rel="nofollow">DecodeStream</a>, and glue in libtiff.net. Difficulty: 5</li> <li>Subclass BuilderExtension, override DecodeStream, and glue in libtiff. Difficulty: 10</li> <li><a href="http://resizer.uservoice.com/forums/108373-image-resizer-v3" rel="nofollow">Post your idea on the UserVoice site and get 30 votes</a>. Difficulty:?</li> <li><a href="http://imageresizing.net/plugins/custom" rel="nofollow">Pay me to do it</a>. Difficulty: 3 (My next available slot is several months from now, however).</li> </ol> <p>There are already 4 example implementations of decoders: ImageBuilder.DecodeStream, PsdReader, WicDecoder, FreeImageDeocoder, and PdfRenderer. The source code for them <a href="http://imageresizing.net/download" rel="nofollow">is included in the download</a>. The average decoder requires less than 80 lines of code.</p>

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