Header location and library names changed, so bump API version.
No users in pkgsrc (yet).
Changes in GEGL 0.3.0
---------------------
• Improvements to thread safety and parallelism.
• Lower overhead graph travesal due from rewrite of visitors
• OpenCL support now enabled by default when detected.
• Experimental multithreading, enable by setting
GEGL_THREADS=<number of threads> in the environment.
• Experimental mipmap rendering, which permits transparent rendering of
previews on smaller sized versions, enable by setting
GEGL_MIPMAP_RENDERING=true in the environment.
• Operations:
• new operations: alien-map, antialias, apply-lens, bilateral-filter,
bump.map, cartoon, channel-mixer, color-enhance, color-exchange,
color-reduction, color-rotate, convolution-matrix, copy-buffer, cubism,
deinterlace, diffraction-patterns, distance-transform, displace, edge,
emboss, engrave, exposure, fractal-trace, high-pass, image-compare,
illusion, invert-gamma, lens-flare, linear, linear-gradient, mosaic,
motion-blur-circular, motion-blur-zoom, noise-cell noise-cie-lch,
noise-hsv, noise-hurl, noise-pick, noise-rgb, noise-simplex, noise-spread,
n-point deformation ops, oilify, panorama-projection, photocopy, plasma,
radial-gradient, red-eye-removal, scale-size-keep-aspect, softglow,
stretch-contrast, texturize-canvas, tile-glass, tile-seamless, tile-paper,
tile, warp, whirl-pinch, wind, cache, cast-format, lcms-from-profile,
npy-save, webp-load, webp-save, scale-ratio, scale-size, seamless-clone,
sinus, supernova, value-propagate, video-degradation
• reimplementation of gaussian-blur faster and more accurate
• support for using URIs in image loaders
• Buffer:
• New default tile backend, doing disk writes in a separate thread.
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