Alexander Karpinsky
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5a359fbf28
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Fix coefficients calculation (#2162)
Fix coefficients calculation
* test for regression
* detailed comments what is going on
prevent setting the `k[-1]` item
* more readable
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2016-10-17 01:31:45 -07:00 |
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Andrew Murray
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00cb14afd7
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Removed trailing whitespace
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2016-09-03 12:19:04 +10:00 |
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homm
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5c0eb2c365
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normalize coefficients in normalize_coeffs_8bpc
increase precision of negative filter lobes. Add test
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2016-08-25 04:11:02 -07:00 |
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homm
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788810f313
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ImagingPrecompute → precompute_coeffs
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2016-08-25 04:11:02 -07:00 |
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homm
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7d3db1f02a
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truncate zero coefficients
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2016-08-25 04:11:02 -07:00 |
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homm
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62388199fa
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use lookups table instead of two conditions for each channel
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2016-08-25 04:11:02 -07:00 |
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homm
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66715246c1
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remove mitchell filter. Has no advantages over bicubic
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2016-07-02 01:54:39 +03:00 |
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homm
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a67e5453d5
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add tests, fix errors )
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2016-07-02 01:54:39 +03:00 |
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homm
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c3d702538d
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add BOX, HAMMING, MITCHELL filters to resample.c
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2016-07-02 01:54:39 +03:00 |
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homm
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0e9beed76d
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add constants for filters: BOX, HAMMING, MITCHELL
rearrange filters everywhere
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2016-07-02 01:54:39 +03:00 |
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Andrew Murray
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5e5bda95e0
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Removed trailing whitespace
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2016-06-30 20:12:50 +01:00 |
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wiredfool
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291c00c58a
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Merge pull request #1954 from uploadcare/skip-resampling-passes
Do not do unnecessary passes on resizing
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2016-06-30 12:23:07 +01:00 |
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wiredfool
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95f464f827
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removed redundant check
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2016-06-16 01:09:38 -07:00 |
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homm
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78fad0f819
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Do not make unnecessary passes on resizing
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2016-06-15 01:04:02 +03:00 |
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wiredfool
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92a13d975d
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Malloc check merge/rebase
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2016-06-08 06:25:46 -07:00 |
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homm
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12c8cf94f2
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replace calloc with remaining values emptying
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2016-06-08 03:45:08 +03:00 |
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homm
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3b7923c09f
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add calloc explanation
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2016-06-03 12:51:58 +03:00 |
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homm
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34afabbf18
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return malloc where clearing is not required
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2016-05-28 10:47:07 +03:00 |
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homm
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4ea0c83450
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do not rotate image between passes
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2016-05-27 07:24:22 +03:00 |
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homm
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c051f1d79d
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ImagingResampleVertical_32bpc implementation
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2016-05-27 07:21:34 +03:00 |
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homm
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5cd8c35c82
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complete ImagingResampleVertical_8bpc implementation
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2016-05-27 07:12:01 +03:00 |
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homm
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8180b0f4c3
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ResampleVertical first implementation
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2016-05-27 06:52:19 +03:00 |
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homm
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5ffd9e53bc
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use calloc and INT_MAX
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2016-05-26 02:28:35 +03:00 |
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homm
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1c3def1d5a
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return malloc
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2016-05-26 02:07:56 +03:00 |
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homm
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eec17c0c7a
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change xmax meaning to avoid substructions
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2016-05-26 02:07:56 +03:00 |
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homm
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7722d00daf
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simpler coefficients calculation in ImagingResampleHorizontal_8bpc
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2016-05-26 02:07:56 +03:00 |
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homm
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d3749ccc7c
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possible increase precision and avoid compiler warnings
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2016-05-26 02:07:56 +03:00 |
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homm
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f44a7f8b11
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implement round
fix windows build
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2016-05-26 02:07:56 +03:00 |
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homm
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babaaf9bbe
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raise on special cases even if imIn->image8
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2016-05-26 02:07:56 +03:00 |
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homm
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d48324bd21
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unroll 8bpc version
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2016-05-26 02:07:56 +03:00 |
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homm
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126c3151b5
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use ImagingPrecompute in ImagingResampleHorizontal_8bpc
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2016-05-26 02:07:56 +03:00 |
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homm
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f3f03bcd67
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unroll 32bpc version
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2016-05-26 02:07:56 +03:00 |
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homm
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04552b015d
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use ImagingPrecompute in ImagingResampleHorizontal_32bpc
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2016-05-26 02:07:56 +03:00 |
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homm
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023f7adcf6
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precompute function
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2016-05-26 02:07:56 +03:00 |
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homm
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7693da9287
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separate 8 and 32 bpc implementations
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2016-05-26 02:07:56 +03:00 |
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homm
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9618ec98b8
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test for consistency
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2016-05-26 02:07:56 +03:00 |
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homm
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e13297b396
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make coefficients ints
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2016-05-26 02:07:03 +03:00 |
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homm
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342e6f213b
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extra line
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2016-05-26 02:07:03 +03:00 |
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homm
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3ee407e859
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pass struct filter to ImagingResampleHorizontal
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2016-05-26 02:07:03 +03:00 |
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homm
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0e2a8e4323
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intermediate not normalized buffer for coefficients
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2016-05-26 02:07:03 +03:00 |
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homm
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a5b99dd302
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move checks before mallocs to prevent memory leaks
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2016-05-26 02:07:03 +03:00 |
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Andrew Murray
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a7c7aa171d
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Updated redirected URLs
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2016-02-11 18:51:36 +11:00 |
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Ned Williamson
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4e0d9b0b97
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fix integer overflow in Resample.c
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2016-02-04 07:19:54 -08:00 |
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Andrew Murray
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9a2903bf5b
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Changed 32 bit to 32-bit and 64 bit to 64-bit
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2015-10-15 00:49:03 +11:00 |
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Andrew Murray
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9e24ae023d
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Fixed various typos
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2015-06-08 01:17:49 +10:00 |
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homm
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43d5d06ce4
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rename Image.ANTIALIAS to Image.LANCZOS
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2014-11-28 01:41:56 +03:00 |
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homm
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bc0f896a47
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rename Antialias and stretch to resample
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2014-11-19 14:36:00 +03:00 |
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