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DecompressionPai_start_decompress ( Cinfo ); Jsamprow row_pointer [1];While (Cinfo. output_scanline {Row_pointer [0] = Data [(Cinfo. output_height-Cinfo. output_scanline-1) * Cinfo. image_width * Cinfo. num_components];Pai_read_scanlines ( Cinfo, row_pointer,1 );}Pai_finish_decompress ( Cinfo );6. release resourcesPai_destroy_decompress ( Cinfo ); Fclose (f ); Let's take a look at how to use ijg JPEG library to
Today, photographic devices, such as smartphones and digital cameras, are getting bigger resolution. Even the 36.3 million-megapixel Nikon D800 has rushed into the market, and this trend simply can't stop. Today's camera devices are constantly improving the resolution of the photos, so we have to compress them and upload them to the cloud with storage limits and bandwidth limits. In fact, there's a very simple way to
JPEG compression of photos by iOS mac1. The image data can be JPEG compressed using API uiimagejpegrepresentation on iOS;We know that iOS is actually a porting of Mac OS, then there must be a corresponding JPEG compression method on Mac;On the
Some PDF files will be larger and bigger because they contain a lot of pictures or as they continue to be edited, and we can use the Mac built-in Preview (Preview) program to help thin out these bloated files. Open PDF file with preview; Select Save As ... on the File menu; In the Save As ... dialog box, in the Quartz filter option, select Reduce File Size; Save the document. Print When we initially build the PDF, we can reduce its size. Note:
Many people like Mac know that this OS does not like win on WinRAR or hao123 decompression and other similar software, for the compression and decompression of files is not convenient, after downloading RAR file package will be helpless, it is extremely embarrassing, in order to avoid this situation, self-help, clothed. Go to http://www.rarlab.com/download.htm this site to download the unpacking Kit RAROSX for Mac
The first use of Apple Mac computer Friends may not be familiar with all aspects of MAC computer operating system, including our most commonly used compression and decompression folder operation, today PC6 Apple Network Small series to bring you on Mac computer how to compress and decompress files and folders using tut
Apple Mac computer compression and decompression file and folder method 1, if you need to deal with the file is not on the desktop, then you need to first click on the "Go to"---"Computer" 2, in the Computer window on the left, there are "All My Folders", "Application", "desktop" ... Pictures these options. You can only manipulate the files or folders in these options. I need to compress the "ITunes" fo
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