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=========================================================
CamlImages - Objective Caml image processing library
=========================================================
Requirements
=================
To install CamlImages library, you need the following softwares:
* OCaml 4.01.0 or higher
* Findlib (aka ocamlfind, http://www.camlcity.org/archive/programming/findlib.html )
* OMake ( http://omake.metaprl.org/index.html )
Note that this is the minimum requirement: you can read/write BMP or
PXM (PPM, PGM, PBM) image formats but no other formats. If you want to
deal with other image formats, you need to install the corresponding
external libraries:
* libpng for PNG format
* libjpeg for JPEG format
* libexif for EXIF tags in JPEG files
* libtiff for TIFF format
* libxpm for XPM format (could be already by the X server installation)
* freetype for drawing texts using truetype fonts
* libungif/libgif for GIF format
* ghostscript for PS format
* lablgtk2, an OCaml interface to gtk+
Installation
=====================================
::
% yes no | omake --install
% omake --configure <configuration options>
% omake install
At omake --configure, you can specify CFLAGS and LDFLAGS
to add extra header and library search paths respectively. For example,::
% omake --configure CFLAGS="-I /usr/include/libexif" LDFLAGS="-L/opt/blah"
List of configurable variables
---------------------------------
CFLASG, INCLUDES, LDFLAGS: as usual.
ARG_WANT_<feature>=bool
Without specifying ARG_WANT_<feature>, omake --configure automatically
searches the availability of <feature> and enables it when found.
If ARG_WANT_<feature>=0, the feature is not checked, and disabled.
If ARG_WANT_<feature>=1, the feature must exist and is enabled.
If omake fails to find the feature, the entire build fails.
Currently the following features are available:
GIF, PNG, JPEG, EXIF, TIFF, XPM, GS, LABLGTK2, GRAPHICS, FREETYPE
ARG_PATH_PKG_CONFIG=string
ARG_PATH_FREETYPE_CONFIG=string
ARG_PATH_GS=string
PATH of external commands like pkg-config, freetype-config and gs
Without specifying, omake tries to find them in the PATH.
Test
----
Before you actually install the library, you can check that it
really works, by running examples in the test directory. For the test
programs,::
% cd test
% omake
% ./test
% ./test.run
(./test.run is the bytecode executable and ./test the binary
executable).
Where to report building issues?
==========================================================
https://bitbucket.org/camlspotter/camlimages/issues?status=new&status=open
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