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
