-modulate in HCLp
Posted: 2013-07-24T07:52:31-07:00
-modulate works in HCL, but not in HCLp.
Searching the source I find 11 instances of HCLColorspace, but only 8 of HCLpColorspace. The instance missing in enhance.c is likely causing this issue.
Demonstration of the problem:
Searching the source I find 11 instances of HCLColorspace, but only 8 of HCLpColorspace. The instance missing in enhance.c is likely causing this issue.
Demonstration of the problem:
Code: Select all
convert hald:10 -colorspace Rec601Luma Luma.png
convert hald:10 -colorspace HCL -channel G -evaluate Set 0 -colorspace sRGB HCL_set.png
convert hald:10 -colorspace HCLp -channel G -evaluate Set 0 -colorspace sRGB HCLp_set.png
convert hald:10 -define modulate:colorspace=HCL -modulate 100,0,100 HCL_modulate.png
convert hald:10 -define modulate:colorspace=HCLp -modulate 100,0,100 HCLp_modulate.png
compare -metric PAE Luma.png HCL_set.png null:
compare -metric PAE Luma.png HCLp_set.png null:
compare -metric PAE Luma.png HCL_modulate.png null:
compare -metric PAE Luma.png HCLp_modulate.png null:
--- Output ---
1 (1.5259e-005)
1 (1.5259e-005)
1 (1.5259e-005)
25274 (0.385657)