zephyr/cmake/cfb.cmake

64 lines
2.5 KiB
CMake

# SPDX-License-Identifier: Apache-2.0
# These functions can be used to generate a CFB font include file from
# a TrueType/OpenType font file or an image file.
function(generate_cfb_font
input_file # The TrueType/OpenType font file or the image file
output_file # The generated header file
width # Width of the CFB font elements in pixels
height # Height of the CFB font elements in pixels
)
add_custom_command(
OUTPUT ${output_file}
COMMAND
${PYTHON_EXECUTABLE}
${ZEPHYR_BASE}/scripts/gen_cfb_font_header.py
--input ${input_file}
--output ${output_file}
--width ${width}
--height ${height}
${ARGN} # Extra arguments are passed to gen_cfb_font_header.py
DEPENDS ${source_file}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
endfunction()
function(generate_cfb_font_for_gen_target
target # The cmake target that depends on the generated file
input_file # The TrueType/OpenType font file or the image file
output_file # The generated header file
width # Width of the CFB font elements in pixels
height # Height of the CFB font elements in pixels
gen_target # The generated file target we depend on
# Any additional arguments are passed on to
# gen_cfb_font_header.py
)
generate_cfb_font(${input_file} ${output_file} ${width} ${height} ${ARGN})
# Ensure 'output_file' is generated before 'target' by creating a
# dependency between the two targets
add_dependencies(${target} ${gen_target})
endfunction()
function(generate_cfb_font_for_target
target # The cmake target that depends on the generated file
input_file # The TrueType/OpenType font file or image file
output_file # The generated header file
width # Width of the CFB font elements in pixels
height # Height of the CFB font elements in pixels
# Any additional arguments are passed on to
# gen_cfb_font_header.py
)
# Ensure 'output_file' is generated before 'target' by creating a
# 'custom_target' for it and setting up a dependency between the two
# targets
# But first create a unique name for the custom target
generate_unique_target_name_from_filename(${output_file} generated_target_name)
add_custom_target(${generated_target_name} DEPENDS ${output_file})
generate_cfb_font_for_gen_target(${target} ${input_file} ${output_file}
${width} ${height} ${generated_target_name} ${ARGN})
endfunction()