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43 Commits

Author SHA1 Message Date
Bernhard K. Weisshuhn
dce36e0074 Add normalize() for simple histogram stretching 
Available as normalize() or normalise().
Normalization takes place in LAB place and thus should not change any
colors.

Existing alpha channels are preserved untouched by normalization.
 2015-04-18 12:55:04 +02:00
Alaric Holloway
f72435c750 Support resize without preserving aspect ratio #118 2015-04-16 06:50:47 -07:00
Lovell Fuller
3810f642d3 Add small cache before convolution for seq access 2015-04-14 21:31:20 +01:00
Lovell Fuller
ce6813329b Improve code portability ahead of Windows support 2015-04-05 21:57:53 +01:00
Lovell Fuller
81c710eaa3 Add EventEmitter for queue length changes 
Remove unnecessary params from Error handler
 2015-03-20 15:44:18 +00:00
Lovell Fuller
5781a23a4d Combine new tile* API methods 
Use v7.40.0+ libvips loader methods

Separate Openslide as input vs Deep Zoom as output

Split tile-based tests into new file

Added assertions for generated tile size
 2015-03-12 15:39:27 +00:00
Victor Mateevitsi
2d1e6f2644 Added Deep Zoom support. 
Added OpenSuse 13.1 and 13.2 support in preinstall.sh script.
Added OpenSlide support in preinstall script.
Added unit tests for Deep Zoom and OpenSlide.
 2015-03-10 14:00:27 +00:00
Lovell Fuller
77bbbb9715 Improve min/max docs, thanks @LinusU 
Add requirement for C++11 compiler

Init scaling factor to silence compiler warning
 2015-02-27 13:49:16 +00:00
Linus Unnebäck
bcd82f4893 feature: min 2015-02-27 13:50:52 +01:00
Lovell Fuller
f89e9d726d Add support for libvips v8.0.0 2015-02-16 13:27:22 +00:00
Lovell Fuller
1f7e80e581 Add chroma subsampling options for JPEG output 2015-02-13 09:41:42 +00:00
Lovell Fuller
fe34548bad Remove optional AdjustAmountOfExternalAllocatedMemory #151 
Isolate not available when deleting the buffer
 2015-01-21 20:13:43 +00:00
Lovell Fuller
855945bef2 Delete input buffer on postclose #151 
Notify V8 GC of memory (de)allocation
 2015-01-21 10:34:03 +00:00
Lovell Fuller
8421e3aa5f Add limitInputPixels option to reject input #115 2015-01-20 14:18:05 +00:00
Lovell Fuller
c93f79daa7 Guard against InitImage failure #150 
Protects against truncated image headers
 2015-01-20 10:38:44 +00:00
Lovell Fuller
c158d51f8b Explicit cast to uint32 required for nan 1.5.x 
See rvagg/nan#229
 2015-01-16 22:31:46 +00:00
Lovell Fuller
b86674f91f Add cpplint to test suite 2015-01-16 22:31:46 +00:00
Lovell Fuller
5dab3c8482 Allow rotate before pre-resize extraction #145 2015-01-16 22:30:57 +00:00
Lovell Fuller
a190ae6b08 Add raw, uncompressed image data output #136 2015-01-16 22:28:24 +00:00
Lovell Fuller
065ce6454b Explicit cast of size_t to 32 bit integer 
Ensures compilation with nan 1.5.0+
 2015-01-15 15:16:01 +00:00
Lovell Fuller
d3225fa193 Add 'size' attribute to callback's info Object #138 2014-12-15 13:54:19 +00:00
Lovell Fuller
f026a835fd Move unref of input Buffer to C++ #138 2014-12-14 10:31:25 +00:00
Lovell Fuller
34a9970bd9 Remove useless re-definition of image #139 2014-12-12 22:04:55 +00:00
Lovell Fuller
57203f841a Copy input Buffer to avoid V8 heap compaction #138 2014-12-12 22:02:42 +00:00
Lovell Fuller
60f1fda7ee Change interpretation to sRGB before transformation #133 2014-12-11 13:32:36 +00:00
Lovell Fuller
a56102a209 Ensure ICC transform of withMetadata output #133 2014-12-04 11:28:09 +00:00
Lovell Fuller
e1b5574c4a Handle broken, embedded ICC profile #131 2014-12-03 10:23:35 +00:00
Lovell Fuller
0acf865654 Faster ICC profile transform via lcms #125 2014-11-25 22:52:24 +00:00
Lovell Fuller
f57a0e3b00 Ensure embedded profile, if any, is always used 
Perform sRGB conversion at end of pipe only

withMetadata exports profile, should not convert

Convert one fixture to sRGB to help test

Discovered while investigating #125
 2014-11-25 18:54:49 +00:00
Lovell Fuller
328cda82c5 Updates for 7.42 stable release of libvips 2014-11-24 12:19:44 +00:00
Lovell Fuller
118b17aa2f Apply less blur before affine reduction #121 2014-11-24 11:52:48 +00:00
Lovell Fuller
b7c7fc22f3 Ensure correct Gaussian blur before affine #121 
Use double sigma instead of int radius for blur
 2014-11-20 13:59:39 +00:00
Lovell Fuller
ee513ac7a7 Less C, more C++ e.g. namespace, enum class 
Improve image reference handling
 2014-11-11 18:28:23 +00:00
Lovell Fuller
32d9bc204a Add 'fast' blur and Gaussian blur feature #108 2014-11-10 22:38:13 +00:00
Lovell Fuller
86681100b7 Control level of sharpening via radius/flat/jagged #108 2014-11-10 16:20:04 +00:00
Lovell Fuller
47927ef47d Shrink less, affine more, maintain performance #75 
Affects interpolators with 4x4+ window size

e.g. Bicubic, LBB, Nohalo

Introduces blur before large affine

to improve large PNG reductions
 2014-11-08 12:08:27 +00:00
Lovell Fuller
7537adf399 Add features from libvips 7.40+ 
Load TIFF from Buffer/Stream

Interlaced PNG output no longer needs tilecache

Option to disable PNG adaptive row filtering
 2014-11-08 12:08:27 +00:00
Lovell Fuller
740838b47c Prevent auto-rotate fail for libmagick formats #117 2014-11-08 12:07:47 +00:00
Lovell Fuller
f7c2a839ad Add support for profile-less CMYK images #99 2014-11-06 11:30:19 +00:00
Lovell Fuller
333e8789f4 Include cmath, erroneously removed in 3a9a137f 2014-10-29 13:32:19 +00:00
Lovell Fuller
3a9a137f40 Modify C++ 11 to be MS-friendly #19 2014-10-29 13:16:16 +00:00
Lovell Fuller
97fc2a2a3a Ensure resize error from C++ is wrapped 
Thanks to @papandreou
 2014-10-23 09:39:37 +01:00
Lovell Fuller
8bc1981891 Refactor C++ code 
Split features into their own file

Style is becoming less C, more C++
 2014-10-21 21:38:19 +01:00