9e8c9ca8fb
Add script and cmake functions for automatically generating Character Frame Buffer (CFB) font header files from image files, TrueType, or OpenType font files. Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
62 lines
2.5 KiB
CMake
62 lines
2.5 KiB
CMake
# These functions can be used to generate a CFB font include file from
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# a TrueType/OpenType font file or an image file.
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function(generate_cfb_font
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input_file # The TrueType/OpenType font file or the image file
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output_file # The generated header file
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width # Width of the CFB font elements in pixels
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height # Height of the CFB font elements in pixels
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)
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add_custom_command(
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OUTPUT ${output_file}
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COMMAND
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${PYTHON_EXECUTABLE}
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${ZEPHYR_BASE}/scripts/gen_cfb_font_header.py
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--input ${input_file}
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--output ${output_file}
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--width ${width}
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--height ${height}
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${ARGN} # Extra arguments are passed to gen_cfb_font_header.py
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DEPENDS ${source_file}
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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)
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endfunction()
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function(generate_cfb_font_for_gen_target
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target # The cmake target that depends on the generated file
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input_file # The TrueType/OpenType font file or the image file
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output_file # The generated header file
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width # Width of the CFB font elements in pixels
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height # Height of the CFB font elements in pixels
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gen_target # The generated file target we depend on
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# Any additional arguments are passed on to
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# gen_cfb_font_header.py
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)
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generate_cfb_font(${input_file} ${output_file} ${width} ${height} ${ARGN})
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# Ensure 'output_file' is generated before 'target' by creating a
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# dependency between the two targets
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add_dependencies(${target} ${gen_target})
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endfunction()
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function(generate_cfb_font_for_target
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target # The cmake target that depends on the generated file
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input_file # The TrueType/OpenType font file or image file
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output_file # The generated header file
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width # Width of the CFB font elements in pixels
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height # Height of the CFB font elements in pixels
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# Any additional arguments are passed on to
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# gen_cfb_font_header.py
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)
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# Ensure 'output_file' is generated before 'target' by creating a
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# 'custom_target' for it and setting up a dependency between the two
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# targets
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# But first create a unique name for the custom target
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generate_unique_target_name_from_filename(${output_file} generated_target_name)
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add_custom_target(${generated_target_name} DEPENDS ${output_file})
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generate_cfb_font_for_gen_target(${target} ${input_file} ${output_file}
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${width} ${height} ${generated_target_name} ${ARGN})
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endfunction()
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