Matt Hirsch
65b7f7d7d5
Add bandbool feature for channel-wise boolean operations ( #496 )
2016-07-07 21:03:49 +01:00
Rahul Nanwani
278273b5c3
Add top/left offset support to overlayWith operation ( #473 )
2016-07-05 10:12:02 +01:00
Lovell Fuller
a5d85b8a54
Changelog plus tidy of code/docs for convolve operation
2016-07-04 22:13:47 +01:00
Lovell Fuller
4c172d25f6
Allow images with alpha channel to use LAB sharpen #490
2016-07-04 21:33:44 +01:00
Matt Hirsch
b70a7d9a3b
Add convolve operation for kernel-based convolution ( #479 )
2016-07-04 20:48:00 +01:00
Matt Hirsch
85f20c6e1b
Add greyscale option to threshold operation ( #480 )
2016-07-03 19:32:07 +01:00
Kleis Auke Wolthuizen
2e9cd83ed2
Add support for clipping/cutting out ( #435 ) ( #448 )
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USAGE: overlayWith('overlayimage.png', { cutout: true } )
2016-06-25 16:48:01 +01:00
Lovell Fuller
cdb2894bd9
Use libvips' new lanczos3 kernel as default for image reduce
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Deprecate interpolateWith method, now provided as an option
2016-05-18 19:57:22 +01:00
Lovell Fuller
b7a098fb28
Break existing sharpen API to accept sigma and improve precision
2016-05-07 20:04:17 +01:00
Lovell Fuller
185fcfe635
Improve entropy-based crop docs based on feedback.
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Fix includes to keep MSVC compiler happy.
Additional memory leak suppressions for latest V8.
2016-03-05 18:30:38 +00:00
Lovell Fuller
2034efcf55
Add experimental, entropy-based auto-crop
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Remove deprecated extract API
2016-03-05 12:29:16 +00:00
Lovell Fuller
bb37dc1ea6
Expose density metadata; set density of images from vector input
2016-03-01 19:33:54 +00:00
Lovell Fuller
d92ea31858
overlayWith improvements: diff sizes/formats, gravity, buffer input
2016-02-29 15:15:27 +00:00
Lovell Fuller
2675b2265b
Ensure 16-bit input images embed onto alpha background
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Support gamma correction of images with alpha channel
Favour shrink over affine when reducing by integral factor
2016-02-03 17:48:22 +00:00
Lovell Fuller
5c9c17f1f6
Switch from libvips' C to C++ binding
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Requires upgrade to libvips 8.2.1
2016-02-03 17:48:22 +00:00
David Carley
3af62446fc
Implements greyscale thresholding
2015-11-17 12:15:34 -06:00
Lovell Fuller
84fd1caa46
Switch default interpolator to bicubic #289
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Only use gaussian blur for non-linear interpolators
Improves performance of bilinear by ~15%
Add liborc to the packaged build to improve bicubic perf
Add examples of the various interpolation methods
Add bilinear vs bicubic to perf tests
2015-11-15 22:04:31 +00:00
Lovell Fuller
20f468991f
Start to use libvips 8.1.0+ features #152
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Use native (un)premultiply
Support normalise on Windows
2015-11-12 22:14:53 +00:00
Lovell Fuller
2ec845b083
Create normalize/blur/sharpen operations
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Reduces pipeline by ~100 LOC
2015-07-11 21:44:39 +01:00
Lovell Fuller
1091be374e
Alpha compositing: support grey+alpha src and non-alpha dst
2015-06-02 14:51:08 +01:00
Lovell Fuller
36be0453dd
Refactor internal 'resize' to more apt 'pipeline'
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Refactor 'composite' C to C++ 'operations'
2015-06-01 16:33:26 +01:00
