liberty/cmake/IconUtils.cmake
2024-12-17 06:20:12 +01:00

85 lines
3.0 KiB
CMake

# Public Domain
function (icon_to_png name svg size output_dir output)
set (_dimensions "${size}x${size}")
set (_png_path "${output_dir}/hicolor/${_dimensions}/apps")
set (_png "${_png_path}/${name}.png")
set (${output} "${_png}" PARENT_SCOPE)
set (_find_program_REQUIRE)
if (NOT ${CMAKE_VERSION} VERSION_LESS 3.18.0)
set (_find_program_REQUIRE REQUIRED)
endif ()
find_program (rsvg_convert_EXECUTABLE rsvg-convert ${_find_program_REQUIRE})
add_custom_command (OUTPUT "${_png}"
COMMAND ${CMAKE_COMMAND} -E make_directory "${_png_path}"
COMMAND ${rsvg_convert_EXECUTABLE} "--output=${_png}"
"--width=${size}" "--height=${size}" -- "${svg}"
DEPENDS "${svg}"
COMMENT "Generating ${name} ${_dimensions} application icon" VERBATIM)
endfunction ()
# You should include a 256x256 icon--which takes less space as raw PNG.
function (icon_for_win32 ico pngs pngs_raw)
set (_raws)
foreach (png ${pngs_raw})
list (APPEND _raws "--raw=${png}")
endforeach ()
set (_find_program_REQUIRE)
if (NOT ${CMAKE_VERSION} VERSION_LESS 3.18.0)
set (_find_program_REQUIRE REQUIRED)
endif ()
find_program (icotool_EXECUTABLE icotool ${_find_program_REQUIRE})
add_custom_command (OUTPUT "${ico}"
COMMAND ${icotool_EXECUTABLE} -c -o "${ico}" ${_raws} -- ${pngs}
DEPENDS ${pngs} ${pngs_raw}
COMMENT "Generating Windows program icon" VERBATIM)
endfunction ()
function (icon_to_iconset_size name svg size iconset outputs)
math (EXPR _size2x "${size} * 2")
set (_dimensions "${size}x${size}")
set (_png1x "${iconset}/icon_${_dimensions}.png")
set (_png2x "${iconset}/icon_${_dimensions}@2x.png")
set (${outputs} "${_png1x};${_png2x}" PARENT_SCOPE)
set (_find_program_REQUIRE)
if (NOT ${CMAKE_VERSION} VERSION_LESS 3.18.0)
set (_find_program_REQUIRE REQUIRED)
endif ()
find_program (rsvg_convert_EXECUTABLE rsvg-convert ${_find_program_REQUIRE})
add_custom_command (OUTPUT "${_png1x}" "${_png2x}"
COMMAND ${CMAKE_COMMAND} -E make_directory "${iconset}"
COMMAND ${rsvg_convert_EXECUTABLE} "--output=${_png1x}"
"--width=${size}" "--height=${size}" -- "${svg}"
COMMAND ${rsvg_convert_EXECUTABLE} "--output=${_png2x}"
"--width=${_size2x}" "--height=${_size2x}" -- "${svg}"
DEPENDS "${svg}"
COMMENT "Generating ${name} ${_dimensions} icons" VERBATIM)
endfunction ()
function (icon_to_icns svg output_basename output)
get_filename_component (_name "${output_basename}" NAME_WE)
set (_iconset "${PROJECT_BINARY_DIR}/${_name}.iconset")
set (_icon "${PROJECT_BINARY_DIR}/${output_basename}")
set (${output} "${_icon}" PARENT_SCOPE)
set (_icon_png_list)
foreach (_icon_size 16 32 128 256 512)
icon_to_iconset_size ("${_name}" "${svg}"
"${_icon_size}" "${_iconset}" _icon_pngs)
list (APPEND _icon_png_list ${_icon_pngs})
endforeach ()
# XXX: This will not normally work from within Nix.
add_custom_command (OUTPUT "${_icon}"
COMMAND iconutil -c icns -o "${_icon}" "${_iconset}"
DEPENDS ${_icon_png_list}
COMMENT "Generating ${_name} icon" VERBATIM)
set_source_files_properties ("${_icon}" PROPERTIES
MACOSX_PACKAGE_LOCATION Resources)
endfunction ()