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CentOS 7.0 - man page for pdfimages (centos section 1)

pdfimages(1)						      General Commands Manual						      pdfimages(1)

pdfimages - Portable Document Format (PDF) image extractor (version 3.03)
pdfimages [options] PDF-file image-root
Pdfimages saves images from a Portable Document Format (PDF) file as Portable Pixmap (PPM), Portable Bitmap (PBM), or JPEG files. Pdfimages reads the PDF file PDF-file, scans one or more pages, and writes one PPM, PBM, or JPEG file for each image,, where nnn is the image number and xxx is the image type (.ppm, .pbm, .jpg).
-f number Specifies the first page to scan. -l number Specifies the last page to scan. -j Normally, all images are written as PBM (for monochrome images) or PPM (for non-monochrome images) files. With this option, images in DCT format are saved as JPEG files. All non-DCT images are saved in PBM/PPM format as usual. -list Instead of writing the images, list the images along with various information for each image. Do not specify an image-root with this option. The following information is listed for each font: page the page number containing the image num the image number type the image type: image - an opaque image mask - a monochrome mask image smask - a soft-mask image stencil - a monochrome mask image used for painting a color or pattern Note: Tranparency in images is represented in PDF using a separate image for the image and the mask/smask. The mask/smask used as part of a transparent image always immediately follows the image in the image list. width image width (in pixels) height image height (in pixels) Note: the image width/height is the size of the embedded image, not the size the image will be rendered at. color image color space: gray - Gray rgb - RGB cmyk - CMYK lab - L*a*b icc - ICC Based index - Indexed Color sep - Separation devn - DeviceN comp number of color components bpc bits per component enc encoding: image - raster image (may be Flate or LZW compressed but does not use an image encoding) jpeg - Joint Photographic Experts Group jp2 - JPEG2000 jbig2 - Joint Bi-Level Image Experts Group ccitt - CCITT Group 3 or Group 4 Fax interp "yes" if the interpolation is to be performed when scaling up the image object ID the font dictionary object ID (number and generation) -opw password Specify the owner password for the PDF file. Providing this will bypass all security restrictions. -upw password Specify the user password for the PDF file. -p Include page numbers in output file names. -q Don't print any messages or errors. -v Print copyright and version information. -h Print usage information. (-help and --help are equivalent.)
The Xpdf tools use the following exit codes: 0 No error. 1 Error opening a PDF file. 2 Error opening an output file. 3 Error related to PDF permissions. 99 Other error.
The pdfimages software and documentation are copyright 1998-2011 Glyph & Cog, LLC.
pdfdetach(1) pdffonts(1), pdfinfo(1), pdftocairo(1), pdftohtml(1), pdftoppm(1), pdftops(1), pdftotext(1) 15 August 2011 pdfimages(1)