# Version: 1
# CheckVsReference: 1% (0 50 600 100)
# CheckVsReference: 1% (0 200 600 100)
# CheckVsReference: 1% (0 350 600 100)
# CheckVsReference: 1% (0 500 600 100)

translate 0 50

surface_begin 0 0 100 100

begin_block predraw
setRenderHint Antialiasing
setPen nopen
gradient_clearStops
gradient_appendStop 0    efff0000
gradient_appendStop 0.5  dfffff00
gradient_appendStop 1    ef00ff00

gradient_setSpread PadSpread
gradient_setLinear 10 10 90 90
drawEllipse 10 10 80 80
end_block

setCompositionMode SourceOver

begin_block postdraw

gradient_clearStops
gradient_appendStop 0    afff0000
gradient_appendStop 0.5  cf0000ff
gradient_appendStop 1    bf00ff00

gradient_setSpread PadSpread
gradient_setLinear 0 0 100 0
drawEllipse 10 10 30 30
drawEllipse 10 60 30 30
drawEllipse 60 60 30 30
drawEllipse 60 10 30 30
drawEllipse 35 35 30 30

# a black rectangle around
setCompositionMode SourceOver
setPen black
setBrush nobrush
drawRect 0.5 0.5 99 99

end_block
surface_end

# Destination over
surface_begin 100 0 100 100
repeat_block predraw
setCompositionMode DestinationOver
repeat_block postdraw
surface_end


# Clear
surface_begin 200 0 100 100
repeat_block predraw
setCompositionMode Clear
repeat_block postdraw
surface_end


# Source
surface_begin 300 0 100 100
repeat_block predraw
setCompositionMode Source
repeat_block postdraw
surface_end


# Destination
surface_begin 400 0 100 100
repeat_block predraw
setCompositionMode Destination
repeat_block postdraw
surface_end


# Source In
surface_begin 500 0 100 100
repeat_block predraw
setCompositionMode SourceIn
repeat_block postdraw
surface_end

translate 0 50

# Destination In
surface_begin 0 100 100 100
repeat_block predraw
setCompositionMode DestinationIn
repeat_block postdraw
surface_end


# Source Out
surface_begin 100 100 100 100
repeat_block predraw
setCompositionMode SourceOut
repeat_block postdraw
surface_end


# Destination Out
surface_begin 200 100 100 100
repeat_block predraw
setCompositionMode DestinationOut
repeat_block postdraw
surface_end


# SourceAtop
surface_begin 300 100 100 100
repeat_block predraw
setCompositionMode SourceAtop
repeat_block postdraw
surface_end


# DestinationAtop
surface_begin 400 100 100 100
repeat_block predraw
setCompositionMode DestinationAtop
repeat_block postdraw
surface_end


# Xor
surface_begin 500 100 100 100
repeat_block predraw
setCompositionMode Xor
repeat_block postdraw
surface_end

translate 0 50

# Plus
surface_begin 0 200 100 100
repeat_block predraw
setCompositionMode Plus
repeat_block postdraw
surface_end


# Multiply
surface_begin 100 200 100 100
repeat_block predraw
setCompositionMode Multiply
repeat_block postdraw
surface_end


# Screen
surface_begin 200 200 100 100
repeat_block predraw
setCompositionMode Screen
repeat_block postdraw
surface_end


# Overlay
surface_begin 300 200 100 100
repeat_block predraw
setCompositionMode Overlay
repeat_block postdraw
surface_end


# Darken
surface_begin 400 200 100 100
repeat_block predraw
setCompositionMode Darken
repeat_block postdraw
surface_end


# Lighten
surface_begin 500 200 100 100
repeat_block predraw
setCompositionMode Lighten
repeat_block postdraw
surface_end

translate 0 50

# ColorDodge
surface_begin 0 300 100 100
repeat_block predraw
setCompositionMode ColorDodge
repeat_block postdraw
surface_end


# Multiply
surface_begin 100 300 100 100
repeat_block predraw
setCompositionMode ColorBurn
repeat_block postdraw
surface_end


# Screen
surface_begin 200 300 100 100
repeat_block predraw
setCompositionMode HardLight
repeat_block postdraw
surface_end


# Overlay
surface_begin 300 300 100 100
repeat_block predraw
setCompositionMode SoftLight
repeat_block postdraw
surface_end


# Darken
surface_begin 400 300 100 100
repeat_block predraw
setCompositionMode Difference
repeat_block postdraw
surface_end


# Lighten
surface_begin 500 300 100 100
repeat_block predraw
setCompositionMode Exclusion
repeat_block postdraw
surface_end

resetMatrix

drawText 0 50 "SourceOver"
drawText 100 50 "DestinationOver"
drawText 200 50 "Clear"
drawText 300 50 "Source"
drawText 400 50 "Destination"
drawText 500 50 "SourceIn"
drawText 0 200 "DestinationIn"
drawText 100 200 "SourceOut"
drawText 200 200 "DestinationOut"
drawText 300 200 "SourceAtop"
drawText 400 200 "DestinationAtop"
drawText 500 200 "Xor"
drawText 0 350 "Plus"
drawText 100 350 "Multiply"
drawText 200 350 "Screen"
drawText 300 350 "Overlay"
drawText 400 350 "Darken"
drawText 500 350 "Lighten"
drawText 0 500 "ColorDodge"
drawText 100 500 "ColorBurn"
drawText 200 500 "HardLight"
drawText 300 500 "SoftLight"
drawText 400 500 "Difference"
drawText 500 500 "Exclusion"