update README
updated the README with some notes on git
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John Cupitt
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README
85
README
@ -1,7 +1,7 @@
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VIPS
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====
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libvips
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=======
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VIPS is an image processing library. It's good for large images and for
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libvips is an image processing library. It's good for large images and for
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colour. There's a GUI as well, see the VIPS website:
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http://www.vips.ecs.soton.ac.uk
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@ -9,10 +9,10 @@ colour. There's a GUI as well, see the VIPS website:
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There are packages for most unix-like operating systems, and binaries for
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Windows and OS X.
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Building VIPS from source
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=========================
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Building libvips from source
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============================
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In the VIPS directory, you should just be able to do:
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In the libvips directory, you should just be able to do:
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$ ./configure
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$ make
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@ -22,24 +22,24 @@ By default this will install files to /usr/local.
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If you have problems, read on.
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Building VIPS on win32
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----------------------
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Building libvips on win32
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-------------------------
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http://www.vips.ecs.soton.ac.uk/index.php?title=Build_on_windows
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Building VIPS on OS X
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---------------------
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Building libvips on OS X
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------------------------
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http://www.vips.ecs.soton.ac.uk/index.php?title=Build_on_OS_X
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Building VIPS from SVN
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----------------------
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Building libvips from GIT
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-------------------------
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Checkout the latest sources with:
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svn co https://vips.svn.sourceforge.net/svnroot/vips/vips7
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git clone git://github.com/jcupitt/libvips.git
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Then:
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Then for a debug build:
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$ ./bootstrap.sh
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$ CFLAGS="-g -Wall" CXXFLAGS="-g -Wall" ./configure --prefix=/home/john/vips --enable-gtk-doc
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@ -49,21 +49,21 @@ Then:
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Dependencies
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============
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VIPS has to have gettext, glib-2.x and libxml-2.0. The build system needs
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libvips has to have gettext, glib-2.x and libxml-2.0. The build system needs
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pkg-config and gnu make.
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Optional dependencies
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---------------------
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Optional support libraries ... also try ./configure --help to see flags for
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controlling these libs. By default, if suitable versions are found, VIPS will
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build support for them automatically.
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If suitable versions are found, libvips will add support for these
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libraries automatically. See "./configure --help" for a set of flags to
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control library detection. Packages are generally found with pkg-config,
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so make sure that is working.
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VIPS looks for stuff with pkg-config, so make sure pkg-config can find these
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extra libraries. libtiff and libjpeg do not generally use pkg-config, so
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VIPS looks for them in the default path and in $prefix. If you have installed
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your own versions of these libraries in a different location, vips will not see
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them. Use switches to VIPS configure like:
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libtiff and libjpeg do not usually use pkg-config so libvips looks for
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them in the default path and in $prefix. If you have installed your own
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versions of these libraries in a different location, libvips will not see
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them. Use switches to libvips configure like:
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./configure --prefix=/Users/john/vips \
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--with-tiff-includes=/opt/local/include \
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@ -77,52 +77,53 @@ or perhaps:
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CXXFLAGS="-g -Wall -I/opt/local/include -L/opt/local/lib" \
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./configure --without-python --prefix=/Users/john/vips
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to get VIPS to see your builds.
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to get libvips to see your builds.
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libjpeg
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The IJG JPEG library. We use 6b, but 6a works too.
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The IJG JPEG library.
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libexif
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if available, VIPS adds support for EXIF metadata in JPEG files
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if available, libvips adds support for EXIF metadata in JPEG files
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libtiff
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The TIFF library. It needs to be built with support for JPEG and
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ZIP compression. 3.4b037 and later are known to be OK.
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You'll need libz for this too. We use 1.1.3, others should work.
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libz
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If your TIFF library includes ZIP compression, you'll need this too.
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videodev.h
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If VIPS finds linux/videodev.h, you get support for Linux video
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If libvips finds linux/videodev.h, you get support for Linux video
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grabbing.
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fftw3
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If VIPS finds this library, it uses it for fourier transforms. It can
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also use fftw2, but 3 is faster and more accurate.
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If libvips finds this library, it uses it for fourier transforms. It
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can also use fftw2, but 3 is faster and more accurate.
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If the library is not found, VIPS falls back to it's own internal FFT
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routines which are slower and less accurate.
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If the library is not found, libvips falls back to it's own internal
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FFT routines which are slower and less accurate.
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lcms2
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lcms
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If present, im_icc_import(), _export() and _transform() are available
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for transforming images with ICC profiles. If lcms2 is available, it
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is used in preference to lcms.
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for transforming images with ICC profiles. If lcms2 is available,
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it is used in preference to lcms.
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large files
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VIPS uses the standard autoconf tests to work out how to support large
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files (>2GB) on your system. Any reasonably recent *nix should be OK.
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libvips uses the standard autoconf tests to work out how to support
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large files (>2GB) on your system. Any reasonably recent *nix should
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be OK.
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libpng
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if present, VIPS can load and save png files. Version 1.2+ preferred.
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if present, libvips can load and save png files.
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libMagick, or optionally GraphicsMagick
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if available, VIPS adds support for loading all libMagick supported
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image file types (about 80 different formats). No saving though.
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if available, libvips adds support for loading all libMagick supported
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image file types (about 80 different formats). Use
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--with-magickpackage to build against graphicsmagick instead.
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pangoft2
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if available, VIPS adds support for text rendering. You need the
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if available, libvips adds support for text rendering. You need the
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package pangoft2 in "pkg-config --list-all"
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orc-0.4
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@ -136,8 +137,8 @@ cfitsio
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if available, vips can load FITS images
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OpenEXR
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if available, VIPS will directly read (but not write, sadly) OpenEXR
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images
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if available, libvips will directly read (but not write, sadly)
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OpenEXR images
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swig
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python
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