drawText 75 20 "Linear"
drawText 176 20 "Radial"
drawText 277 20 "Conical"
translate 0 30
drawText 0 50 "AA off"
drawText 0 151 "AA on"

setPen nopen

gradient_clearStops
gradient_appendStop 0     0x00000000
gradient_appendStop 0.001 red
gradient_appendStop 0.2   blue
gradient_appendStop 0.4   yellow
gradient_appendStop 0.6   cyan
gradient_appendStop 0.8   green
gradient_appendStop 0.999 red
gradient_appendStop 1     0x00000000

gradient_setSpread PadSpread
gradient_setCoordinateMode ObjectBoundingMode

begin_block row
save
gradient_setLinear 0.1 0.0 0.9 0.0
drawRect 50 0 100 100

gradient_setRadial 0.5 0.5 0.5 0.5 0.5
translate 101 0
drawRect 50 0 100 100

gradient_setConical 0.5 0.5 45
translate 101 0
drawRect 50 0 100 100
restore
end_block row

setRenderHint Antialiasing

translate 0 101
repeat_block row