John Cupitt
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406e228c9b
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vips_resize() is always centre convention
it was corner for downsize, but should be centre to match imagemagick
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2017-11-26 15:24:40 +00:00 |
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John Cupitt
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3754ddb947
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remove centre from resize in thumbnail
thanks kleis
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2017-11-26 12:01:30 +00:00 |
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John Cupitt
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0363ac6ab9
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fix indexed hist combine mode
it now tracks which bins have been inited, so min works
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2017-11-25 21:23:10 +00:00 |
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John Cupitt
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ee4186ae8f
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revise resize docs
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2017-11-25 15:13:20 +00:00 |
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John Cupitt
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7db13412e5
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deprecate centre option to resize
it's now centre on upsize, corner on downsize
see https://github.com/jcupitt/libvips/issues/705
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2017-11-25 14:22:20 +00:00 |
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John Cupitt
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cb128eb258
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apply --centre to upsize as well as down
we were just using the --centre flag in resize to influence downsize
behaviour -- use it to set upsize as well
see https://github.com/jcupitt/libvips/issues/705
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2017-11-25 12:09:01 +00:00 |
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John Cupitt
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bb81113312
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add credits
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2017-11-24 22:12:41 +00:00 |
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John Cupitt
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bb0772da51
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Merge pull request #815 from lovell/premultiply-match-types
(Un)premultiply: ~10-15% speedup by matching clipped alpha type with IN/OUT
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2017-11-24 22:08:50 +00:00 |
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John Cupitt
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bbc2f4e1f8
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Merge pull request #816 from lovell/srgb2scrgb-optimise-3-4-band
Colour: ~20% sRGB to scRGB speedup for 3/4 channel images
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2017-11-24 21:52:37 +00:00 |
Lovell Fuller
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cac1b5b9c6
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~20% sRGB to scRGB speedup for common 3 and 4 band images
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2017-11-24 21:45:00 +00:00 |
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Lovell Fuller
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7e23a140c4
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~10% speedup by matching clipped alpha type with IN/OUT
Improves unpremultiply precision for float/double input
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2017-11-24 19:20:29 +00:00 |
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John Cupitt
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f9f717a843
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add VIPS_ONCE and use it everywhere
Lovell's idea: save the function call in the most common case
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2017-11-23 08:43:08 +00:00 |
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John Cupitt
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8806e7039e
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Merge pull request #813 from lovell/sRGB2scRGB-once-unlikely
Colour: ~20% speedup for sRGB to scRGB pixel conversion
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2017-11-23 08:10:42 +00:00 |
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Lovell Fuller
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cef897ece8
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~20% speedup for sRGB to scRGB pixel conversion
by checking GOnce status with branch expectation
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2017-11-23 07:36:19 +00:00 |
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John Cupitt
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72a493d2e6
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fix build against giflib4
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2017-11-22 19:52:40 +00:00 |
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John Cupitt
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6a4b249445
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add dispose handling
see https://github.com/jcupitt/php-vips/issues/59
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2017-11-22 17:37:31 +00:00 |
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John Cupitt
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27621733f2
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add gif-comment
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2017-11-22 13:10:06 +00:00 |
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John Cupitt
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c008bdddca
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gifload reports first delay, not last
many GIFs have a long delay on the final frame
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2017-11-22 11:12:11 +00:00 |
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John Cupitt
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7aed4c04e7
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fix gif-loop metadata
thanks Christian Stocker
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2017-11-21 18:06:49 +00:00 |
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John Cupitt
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5361903fae
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make gif delay default to 4
should match imagemagick
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2017-11-21 16:08:26 +00:00 |
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John Cupitt
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e56282e1fd
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add gif-loop metadata
see https://github.com/rokka-io/imagine-vips/issues/3
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2017-11-21 16:04:18 +00:00 |
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John Cupitt
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b611f46d5a
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better gif delay decode
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2017-11-21 15:09:44 +00:00 |
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John Cupitt
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d0c7f9d040
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fix page-height in gifload
and add support for "gif-delay" metadata item
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2017-11-21 11:21:27 +00:00 |
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John Cupitt
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8497840d97
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Merge pull request #811 from lovell/smartcrop-luminance
Smartcrop: ~19% speedup by getting luminance from LAB instead of LCH
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2017-11-21 08:31:53 +00:00 |
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Lovell Fuller
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e8b0e455d8
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Take luminance value from LAB instead of LCH
Avoids costly atan2 conversion to polar coords
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2017-11-20 20:56:45 +00:00 |
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John Cupitt
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43288833b9
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Merge pull request #810 from lovell/smartcrop-clamp-sigma
Smartcrop: clamp sigma to avoid out of range warnings
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2017-11-20 17:41:33 +00:00 |
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Lovell Fuller
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caa0988256
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Clamp minimum sigma to avoid out of range warnings
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2017-11-19 20:22:19 +00:00 |
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John Cupitt
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a4b89aa370
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credit for affine fixup
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2017-11-18 15:11:02 +00:00 |
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John Cupitt
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65cfe2e7c0
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Merge branch 'master' into fix-affine-jaggies
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2017-11-18 15:10:50 +00:00 |
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John Cupitt
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2815647ce3
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fix background for affine on alpha images
need to convert to ink for premultiplied space
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2017-11-18 13:42:00 +00:00 |
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John Cupitt
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e179e3b11f
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premultiply alpha (if necessary) in affine
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2017-11-18 10:59:20 +00:00 |
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John Cupitt
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cd898c52de
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Merge pull request #808 from lovell/prefer-sqrt-to-pow-0.5
Prefer ~10x faster sqrt instead of pow when y=0.5
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2017-11-17 22:11:23 +00:00 |
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Lovell Fuller
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bb58685d1c
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Use ~10x faster sqrt instead of pow when y=0.5
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2017-11-17 20:24:28 +00:00 |
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John Cupitt
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fcec6d639b
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fix jaggies on the edge of affine output
and add a "background" param
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2017-11-17 16:30:25 +00:00 |
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John Cupitt
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ef9b23b95a
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update function list
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2017-11-09 15:00:13 +00:00 |
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John Cupitt
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2bb7844f4c
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update docs
some old stuff in examples
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2017-11-09 14:53:20 +00:00 |
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John Cupitt
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c01afbc559
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update docs
the examples page was using the old python binding
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2017-11-04 14:50:49 +00:00 |
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John Cupitt
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4ea743f5e6
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add combine mode to find_indexed
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2017-11-03 16:36:09 +00:00 |
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John Cupitt
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487c112807
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add VIPS_COMBINE_MIN combining mode
for vips_compass()
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2017-11-02 12:34:01 +00:00 |
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John Cupitt
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55e577a2fb
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rename nearest as fill_nearest
avoid a clash with the nearest-neighbour interpolator
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2017-11-01 15:06:37 +00:00 |
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John Cupitt
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cdc286e9d6
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switch to float distance calculations
removes dithering effects along edges
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2017-11-01 13:16:36 +00:00 |
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John Cupitt
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cb37089c9b
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seems to work
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2017-11-01 13:16:36 +00:00 |
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John Cupitt
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ae54f35ed1
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start tinkering
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2017-11-01 13:16:36 +00:00 |
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John Cupitt
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d90f2e649d
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no error for bad page-height in tiffsave
just don't write a toilet-roll image
the error was confusing and easy to trigger by mistake
see https://github.com/jcupitt/libvips/issues/782
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2017-10-24 09:39:58 +01:00 |
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John Cupitt
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3b75b1e2ac
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fix gcc7 build
removed exception specs from deprecated C++ binding
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2017-10-24 09:31:23 +01:00 |
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John Cupitt
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5ec1d5b72f
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fix vipsthumbnail --size Nx
oh dear, width but not height size specs to vipsthumbnail were not working
thanks jrochkind
see https://github.com/jcupitt/libvips/issues/781
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2017-10-23 22:27:23 +01:00 |
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John Cupitt
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990b68b54b
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typos
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2017-10-23 18:05:41 +01:00 |
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John Cupitt
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d99a189846
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missing cast
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2017-10-19 17:00:56 +01:00 |
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John Cupitt
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dd503c03c6
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add vips_value_set_blob_free()
simpler for language bindings to call
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2017-10-19 16:37:43 +01:00 |
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John Cupitt
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b060883706
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default tiff predictor to horizontal
reduces default tiff lzw / deflate file size by ~20 - 30% at no performance
cost ... thanks @jrochkind
See https://github.com/jcupitt/libvips/issues/777
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2017-10-19 08:50:16 +01:00 |