Optimized CalGrayCS's convertToRgb
Cleaner putBinaryImageData
Optimized PDFImage_undoPreblend
Optimized JPX's transformComponents
Optimized JPG.js - reduced memory usage + 2.16x faster getLinearizedBlockData

Linearize and scale the mcu blocks into the destination buffer in a single pass
Optimized JPG.js - 33% faster convertCmykToRgb
Merge pull request #4708 from p01/graphic_optimizations_1

Graphic optimizations 1