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macro(adjust in_size in_xhot in_yhot)
#math(EXPR out_size "( ${in_size} * ${resolution} ) / 90")
# The Oxygen cursors have different default sizes at 90 dpi:
# Some have 24x24 px, others have 32x32 px. This causes some
# side-effects when you want to choose your cursor size.
# Instead of the real in_size, we use 24 as convenience value.
# Xcursorlib interpretats this as a _nominal_ size; it is legal
# that the nominal size is different from the real size of the
# png image.
math(EXPR out_size "( 24 * ${resolution} ) / 90")
math(EXPR out_xhot "( ${in_xhot} * ${resolution} ) / 90")
math(EXPR out_yhot "( ${in_yhot} * ${resolution} ) / 90")
set(out_line "${out_size} ${out_xhot} ${out_yhot} ${resolution}/${ARGN}")
string(REPLACE ";" " " out_line "${out_line}")
list(APPEND out_contents "${out_line}")
endmacro(adjust)
# load config file
file(READ "${config}" in_contents)
set(out_contents)
string(REPLACE "\n" ";" in_contents "${in_contents}")
# convert the coma separated list in a standard list
string(REPLACE "," ";" resolutions ${resolutions})
# adjust the config file
foreach(resolution ${resolutions})
foreach(in_line ${in_contents})
string(REGEX REPLACE "[ \t]+" ";" in_line "${in_line}")
adjust(${in_line})
endforeach(in_line)
endforeach(resolution)
# save the adjusted config file
string(REPLACE ";" "\n" out_contents "${out_contents}")
file(WRITE "${output}" "${out_contents}\n")
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