以SQL的語法操作圖片：pixQL

jopen 9年前發布 | 8K 次閱讀 pixQL SQL

pixQL 實現了一個用SQL的語法來對圖像進行操作的工具。

實例用法： 

# turn all red pixels green
pixql -i in.bmp -o out.bmp -q "SELECT WHERE COLOR = #FF0000FF; OPERATE SET COLOR = #00FF00FF;"

# copy red channel into green channel
pixql -i in.bmp -o out.bmp -q "OPERATE SET G = R;"

# add white 1px 100x100 grid
pixql -i in.bmp -o out.bmp -q "SELECT WHERE ROW % 100 = 0 OR COL % 100 = 0; OPERATE SET COLOR = WHITE;"

# create 100x100 image with 10x10 checkerboard pattern
pixql -o out.bmp -q "BLACK(100,100); SELECT WHERE ROW % 20 < 10; OPERATE SET COLOR = WHITE; SELECT WHERE COL % 20 < 10; OPERATE SET R = 255-OUT.R; OPERATE SET G = 255-OUT.G; OPERATE SET B = 255-OUT.B;"

項目主頁：http://www.baiduhome.net/lib/view/home/1435713851716

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