4 Commits

Author	SHA1	Message	Date
ChaiShushan	de306d5329	go.image/tiff: decoder support tiled tiff format ... Use these commands to generate testdata: tiffcp -s -r 64 video-001.tiff video-001-strip-64.tiff tiffcp -t -l 64 -w 64 video-001.tiff video-001-tile-64x64.tiff R=golang-dev, nigeltao, bsiegert CC=golang-dev https://golang.org/cl/13453043	2013-09-06 20:07:58 +10:00
Benny Siegert	c35a1ecb6c	go.image/tiff: use optimized routines for RGBA and NRGBA ... Performance for an RGBA image: benchmark old ns/op new ns/op delta BenchmarkEncode 1633495 7897 -99.52% benchmark old MB/s new MB/s speedup BenchmarkEncode 37.83 7824.96 206.85x NRGBA images are now encoded as such, the spec calls it "unassociated alpha". R=nigeltao, rsc CC=golang-dev https://golang.org/cl/6308049	2012-06-13 10:40:38 +10:00
Nigel Tao	996c335c4a	go.image/{bmp,tiff}: move tiff/testdata to testdata. ... Add a "compare to golden PNG" test for BMP and TIFF. R=rsc CC=golang-dev https://golang.org/cl/5601054	2012-01-31 14:02:27 +11:00
Nigel Tao	cc3e6234e7	go.image: initial code. ... Manual edits to README. Moved from main Go repository, deleted Makefiles. Tested with go test code.google.com/p/go.image/... Fixes golang/go#2797. R=rsc, rsc, r CC=golang-dev https://golang.org/cl/5593053	2012-01-31 11:32:50 +11:00