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Previously, when emitting image patterns the PDF backend used _cairo_pattern_acquire_surface to get the image. For reflected images this would return an image containing four images in a reflect pattern. When drawn in a PDF pattern (which only does repeating patterns) this would create the reflected pattern in PDF. For some reason _cairo_pattern_acquire_surface is no longer returning a reflected image pattern. This is fixed by only using _cairo_surface_acquire_source_image to get the image and using the same code as is used for reflected meta-surface patterns to created a reflected pattern by drawing four transformed copies of the image inside the PDF patten. This is the better way to implement reflected images as we are no longer embedding an image four times larger than the original. |
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| doc | ||
| perf | ||
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| util | ||
| .gitignore | ||
| acinclude.m4 | ||
| AUTHORS | ||
| autogen.sh | ||
| BIBLIOGRAPHY | ||
| BUGS | ||
| ChangeLog.mk | ||
| CODING_STYLE | ||
| configure.in | ||
| COPYING | ||
| COPYING-LGPL-2.1 | ||
| COPYING-MPL-1.1 | ||
| gtk-doc.make | ||
| INSTALL | ||
| Makefile.am | ||
| Makefile.win32 | ||
| NEWS | ||
| PORTING_GUIDE | ||
| README | ||
| RELEASING | ||
| ROADMAP | ||
| TODO | ||
Cairo - Multi-platform 2D graphics library http://cairographics.org What is cairo ============= Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System, win32, and image buffers, as well as PDF, PostScript, and SVG file output. Experimental backends include OpenGL (through glitz), Quartz, XCB, BeOS, OS/2, and DirectFB. Cairo is designed to produce consistent output on all output media while taking advantage of display hardware acceleration when available (for example, through the X Render Extension). The cairo API provides operations similar to the drawing operators of PostScript and PDF. Operations in cairo include stroking and filling cubic Bézier splines, transforming and compositing translucent images, and antialiased text rendering. All drawing operations can be transformed by any affine transformation (scale, rotation, shear, etc.). Cairo has been designed to let you draw anything you want in a modern 2D graphical user interface. At the same time, the cairo API has been designed to be as fun and easy to learn as possible. If you're not having fun while programming with cairo, then we have failed somewhere---let us know and we'll try to fix it next time around. Cairo is free software and is available to be redistributed and/or modified under the terms of either the GNU Lesser General Public License (LGPL) version 2.1 or the Mozilla Public License (MPL) version 1.1. Where to get more information about cairo ========================================= The primary source of information about cairo is: http://cairographics.org/ The latest releases of cairo can be found at: http://cairographics.org/releases Snapshots of in-development versions of cairo: http://cairographics.org/snapshots The programming manual for using cairo: http://cairographics.org/manual Mailing lists for contacting cairo users and developers: http://cairographics.org/lists Answers to some frequently asked questions about cairo: http://cairographics.org/FAQ Compiling ========= See the INSTALL document for build instructions. History ======= Cairo was originally developed by Carl Worth <cworth@cworth.org> and Keith Packard <keithp@keithp.com>. Many thanks are due to Lyle Ramshaw without whose patient help our ignorance would be much more apparent. Since the original development, many more people have contributed to cairo. See the AUTHORS files for as complete a list as we've been able to compile so far.