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16 commits

Author SHA1 Message Date
Pavel Krajcevski 9bbc707379 Fix average downscale method signature. 2013-10-10 10:49:49 -04:00
Pavel Krajcevski 160fbb5e39 Add method for downscaling by averaging nearby pixel values. 2013-10-03 14:12:41 -04:00
Pavel Krajcevski 8e555b8424 Add hessian eigenvalue computation for an image. 2013-10-02 11:20:11 -04:00
Pavel Krajcevski dcf389d346 Merge PVRTC compressor into split library. 2013-09-27 17:30:16 -04:00
Pavel Krajcevski 9f4fa671d9 Add a first pass at content aware downscaling. 2013-09-18 18:03:44 -04:00
Pavel Krajcevski e609075d04 Split apart the index calculation and pixel lookup functions 2013-09-18 18:03:08 -04:00
Pavel Krajcevski 4135e38f22 Set the default wrap behavior to wrap for image upscale, too 2013-09-18 18:00:59 -04:00
Pavel Krajcevski d4ca50f8ed Fix the directories in the PVRTC compressor 2013-09-17 18:35:56 -04:00
Pavel Krajcevski 28cf254fe5 Initial decoupling of base library from core library. Includes a few formatting changes as well. 2013-09-13 19:36:37 -04:00
Pavel Krajcevski b3f8fcd454 Decouple upscale directions so that we can non-uniformly scale images. 2013-09-12 14:44:54 -04:00
Pavel Krajcevski 91c79cd717 Fix Bilinear upscale 
There were a couple of fixes.

1. Add another set of pixels to an image that represent the fractional bits that get populated as a result of doing a bilerp.
2. Do not consider individual axes when doing the bilerp. Instead, assign a weight to each of the different texels that we will use for the bilerp. Then, combine them and save the fractional bits.
 2013-09-06 01:58:53 -04:00
Pavel Krajcevski 92827c23fc Add a debug function to our intermediate PVRTC images 2013-09-06 01:57:06 -04:00
Pavel Krajcevski 40b479487c Add accessors for image dimensions 2013-08-31 17:05:26 -04:00
Pavel Krajcevski b3a07e21f7 Add assignment operator 2013-08-31 16:37:07 -04:00
Pavel Krajcevski 26005bfd27 Disambiguate the Image.h from PVRTCEncoder and Core 2013-08-31 16:36:10 -04:00
Pavel Krajcevski 40743d612b Add a logical definition of an image for PVRTC 2013-08-29 18:31:42 -04:00