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60 lines
2 KiB
Text
60 lines
2 KiB
Text
Cairo - Multi-platform 2D graphics library
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http://cairographics.org
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Compiling
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---------
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See the INSTALL document for build instructions.
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Description
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-----------
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Cairo is a vector graphics library with cross-device output
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support. Currently supported output targets include the X Window
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System and in-memory image buffers. PostScript and PDF file output is
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planned. Cairo is designed to produce identical output on all output
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media while taking advantage of display hardware acceleration when
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available (eg. through the X Render Extension).
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Cairo provides a stateful user-level API with capabilities similar to
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the PDF 1.4 imaging model. Cairo provides operations including
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stroking and filling Bezier cubic splines, transforming and
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compositing translucent images, and antialiased text rendering.
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Cairo was once named Xr, (or Xr/Xc), so if you came looking for that
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software, you've found it.
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Dependencies
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------------
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Cairo currently requires the following supporting libraries:
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libpixman
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Xft2
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fontconfig
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freetype2
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Documentation
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-------------
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There's not much documentation yet apart from the cairo.h header
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file. We'll be correcting that shortly.
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In the meantime, the cairo-demo module in CVS provides a few example
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programs using cairo. These may be helpful to a programmer just
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beginning with cairo. Also, familiarity with the PostScript imaging
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model will help in understanding cairo.
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History
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-------
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Cairo was originally developed by Carl Worth <cworth@cworth.org> and
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Keith Packard <keithp@keithp.com>. Many thanks are due to Lyle Ramshaw
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without whose patient help our ignorance would be much more apparent.
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Mailing List
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------------
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If you have trouble with cairo or you have some ideas for how it could be
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improved, please feel free to send a message to cairo@cairographics.org
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Cairo is still under active development and all discussion happens on
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that list. So if you want to lurk or, (even better), take part in the
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development, take a look. Subscription information and archives are
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available:
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http://cairographics.org/cgi-bin/mailman/listinfo/cairo
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