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# SPDX-FileCopyrightInfo: Copyright (C) DUNE Project contributors, see file LICENSE.md in module root
# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
# Module that provides conversion routines using inkscape
#
# .. cmake_function:: inkscape_generate_png_from_svg
#
# .. cmake_param:: OUTPUT_DIR
# :single:
#
# The output directory for the generated png files.
# Defaults to the current build directory.
#
# .. cmake_param:: pngfiles
# :single:
# :positional:
# :required:
#
# The files that should be converted.
#
# .. cmake_param:: DPI
# :single:
#
# dpi value for the generated image (default: 90)
#
#
#
# .. cmake_function:: dune_create_inkscape_image_converter_target
#
# Creates a target that when built, converts svg images to png images using inkscape
#
# .. cmake_param:: TARGET
# :single:
#
# Name of the target to be created.
#
# .. cmake_param:: OUTPUT_DIR
# :single:
# :required:
#
# The output directory for the generated png files.
# Defaults to the current build directory.
#
# .. cmake_param:: IMAGES
# :multi:
# :required:
#
# The files that should be converted.
#
# .. cmake_param:: DPI
# :single:
#
# dpi value for the generated image (default: 90)
#
# .. cmake_param:: ALL
# :option:
#
# If given, will add the created target to the all target
#
include_guard(GLOBAL)
function(inkscape_generate_png_from_svg)
message(DEPRECATION "inkscape_generate_png_from_svg is deprecated (will be removed after release 2.9). "
"Use dune_create_inkscape_image_converter_target.")
if(NOT INKSCAPE)
return()
endif()
cmake_parse_arguments(INKSCAPE "" "OUTPUT_DIR;DPI" "" ${ARGN})
if(NOT INKSCAPE_OUTPUT_DIR)
set(INKSCAPE_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
if(NOT INKSCAPE_DPI)
set(INKSCAPE_DPI 90)
endif()
message(STATUS "Generate PNG from SVG in ${INKSCAPE_OUTPUT_DIR}")
set(_converted 0)
foreach(pic ${INKSCAPE_UNPARSED_ARGUMENTS})
string(REGEX REPLACE "\\.[a-zA-Z]+" ".svg" input ${pic})
if(NOT EXISTS ${INKSCAPE_OUTPUT_DIR}/${pic})
set(_converted 1)
if(INKSCAPE_NEW_VERSION)
execute_process(
COMMAND ${INKSCAPE} --export-dpi=${INKSCAPE_DPI} --export-type=png --export-filename=${pic} ${CMAKE_CURRENT_SOURCE_DIR}/${input}
WORKING_DIRECTORY ${INKSCAPE_OUTPUT_DIR}
OUTPUT_QUIET)
else()
execute_process(
COMMAND ${INKSCAPE} -z --export-dpi=${INKSCAPE_DPI} -e ${pic} ${CMAKE_CURRENT_SOURCE_DIR}/${input}
WORKING_DIRECTORY ${INKSCAPE_OUTPUT_DIR}
OUTPUT_QUIET)
endif()
endif()
endforeach()
if(_converted)
message(STATUS "Generate PNG from SVG in ${INKSCAPE_OUTPUT_DIR} - done")
else()
message(STATUS "Generate PNG from SVG in ${INKSCAPE_OUTPUT_DIR} - skipped")
endif()
endfunction()
function(dune_create_inkscape_image_converter_target)
set(OPTION ALL)
set(SINGLE TARGET OUTPUT_DIR DPI)
set(MULTI IMAGES)
cmake_parse_arguments(INKSCAPE_CONV "${OPTION}" "${SINGLE}" "${MULTI}" ${ARGN})
if(NOT INKSCAPE_CONV_TARGET)
message(FATAL_ERROR "Specifying a target name by setting TARGET is required.")
endif()
if(TARGET ${INKSCAPE_CONV_TARGET})
get_property(TARGET_SOURCE_DIR TARGET ${INKSCAPE_CONV_TARGET} PROPERTY SOURCE_DIR)
message(FATAL_ERROR "dune_create_inkscape_image_converter_target cannot create target "
"\"${INKSCAPE_CONV_TARGET}\" because another target with the same "
"name already exists. The existing target is a target created in "
"source directory \"${TARGET_SOURCE_DIR}\".")
endif()
# we always create the target even if it stays empty
# (might happen because inkscape is not found or the image list is empty)
if(INKSCAPE_CONV_ALL)
add_custom_target(${INKSCAPE_CONV_TARGET} ALL)
else()
add_custom_target(${INKSCAPE_CONV_TARGET})
endif()
if(NOT INKSCAPE)
message(STATUS "Inkscape not found so no images will be converted")
return()
endif()
if(NOT INKSCAPE_CONV_OUTPUT_DIR)
set(INKSCAPE_CONV_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
if(NOT INKSCAPE_CONV_DPI)
set(INKSCAPE_CONV_DPI 90)
endif()
foreach(_output_png ${INKSCAPE_CONV_IMAGES})
string(REGEX REPLACE "\\.[a-zA-Z]+" ".svg" _input_svg ${_output_png})
if(INKSCAPE_NEW_VERSION)
add_custom_command(TARGET ${INKSCAPE_CONV_TARGET} PRE_BUILD
COMMAND ${INKSCAPE} --export-dpi=${INKSCAPE_CONV_DPI} --export-type=png --export-filename=${_output_png} ${CMAKE_CURRENT_SOURCE_DIR}/${_input_svg}
WORKING_DIRECTORY ${INKSCAPE_CONV_OUTPUT_DIR}
COMMENT "Generating ${_output_png} from ${_input_svg} with inkscape"
)
else()
add_custom_command(TARGET ${INKSCAPE_CONV_TARGET} PRE_BUILD
COMMAND ${INKSCAPE} -z --export-dpi=${INKSCAPE_CONV_DPI} -e ${_output_png} ${CMAKE_CURRENT_SOURCE_DIR}/${_input_svg}
WORKING_DIRECTORY ${INKSCAPE_CONV_OUTPUT_DIR}
COMMENT "Generating ${_output_png} from ${_input_svg} with inkscape"
)
endif()
endforeach()
endfunction()
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