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macro(convert_to_png TEXTURE_INPUT TEXTURE_OUTPUT SCALE)
get_filename_component(FILE_EXT ${TEXTURE_INPUT} EXT)
string(TOUPPER ${FILE_EXT} FILE_TYPE)
string(REGEX REPLACE "^\\." "" FILE_TYPE ${FILE_TYPE})
if(${IMAGE_CONVERTER_${FILE_TYPE}} MATCHES "rsvg-convert")
if (${SCALE} GREATER 0)
set(SCALE_ARGS --width=${SCALE} --height=${SCALE})
else()
set(SCALE_ARGS)
endif()
set(COMMAND_ARGS ${SCALE_ARGS} --output ${TEXTURE_OUTPUT} ${TEXTURE_INPUT})
elseif(${IMAGE_CONVERTER_${FILE_TYPE}} MATCHES "convert")
if (${SCALE} GREATER 0)
set(SCALE_ARGS -resize ${SCALE}x${SCALE})
else()
set(SCALE_ARGS)
endif()
set(COMMAND_ARGS -background none ${TEXTURE_INPUT} ${SCALE_ARGS} ${TEXTURE_OUTPUT})
elseif(${IMAGE_CONVERTER_${FILE_TYPE}} MATCHES "ksvgtopng")
set (NEW_SCALE ${SCALE})
if (${SCALE} EQUAL 0)
file(STRINGS ${TEXTURE_INPUT} NEW_SCALE_LINE REGEX "[^-]width=\"[0-9pxt.]*\"")
string(REGEX MATCH "width=\"([0-9]*)[pxt]*\"" NEW_SCALE_LINE ${NEW_SCALE_LINE})
set(NEW_SCALE ${CMAKE_MATCH_1})
endif()
set(COMMAND_ARGS ${NEW_SCALE} ${NEW_SCALE} ${TEXTURE_INPUT} ${TEXTURE_OUTPUT})
elseif(${IMAGE_CONVERTER_${FILE_TYPE}} MATCHES "inkscape")
if (${SCALE} GREATER 0)
set(SCALE_ARGS --export-width=${SCALE} --export-height=${SCALE})
else()
set(SCALE_ARGS)
endif()
set(COMMAND_ARGS --export-type=png --export-background-opacity=0 ${SCALE_ARGS} --export-filename=${TEXTURE_OUTPUT} ${TEXTURE_INPUT})
else()
message(FATAL_ERROR "no svg2png converter defined here.")
endif()
add_custom_command (
OUTPUT ${TEXTURE_OUTPUT}
DEPENDS ${TEXTURE_INPUT}
COMMAND ${IMAGE_CONVERTER_${FILE_TYPE}} ${COMMAND_ARGS}
)
endmacro()
macro(add_scale_targets TEXTURE_SRC TEXTURE_NAME)
string(REPLACE "," ";" SCALES "${ARGN}")
set(add_scale_targets_is_first_scale 1)
foreach (CURRENT_SCALE ${SCALES})
if(add_scale_targets_is_first_scale EQUAL 1)
set (TEXTURE_DST ${CMAKE_CURRENT_BINARY_DIR}/${TEXTURE_NAME}.png)
set(add_scale_targets_is_first_scale 0)
elseif (${CURRENT_SCALE} EQUAL 0)
set (TEXTURE_DST ${CMAKE_CURRENT_BINARY_DIR}/${TEXTURE_NAME}.png)
message_error( "Image size value of 0 to leave texture unscaled can only be given as the first value in row, e.g. -D svg2png_scaling=0,16,32 " )
else()
set (TEXTURE_DST ${CMAKE_CURRENT_BINARY_DIR}/${TEXTURE_NAME}_${CURRENT_SCALE}_${CURRENT_SCALE}.png)
endif()
if(NOT CURRENT_SCALE EQUAL -1)
convert_to_png(
${CMAKE_CURRENT_SOURCE_DIR}/${TEXTURE_SRC}
${TEXTURE_DST}
${CURRENT_SCALE}
)
list(APPEND TEXTURE_TARGETS ${TEXTURE_DST})
endif()
endforeach()
endmacro()
if (USE_SVG OR SVG2PNG)
FILE(GLOB SVG_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.svg" "*.svgz")
if(USE_SVG)
list(APPEND TEXTURES_TO_COPY ${SVG_FILES})
endif(USE_SVG)
if(SVG2PNG)
list(APPEND FILES_TO_PNG ${SVG_FILES})
endif(SVG2PNG)
endif()
FILE(GLOB XPM_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.xpm")
if(XPM2PNG)
foreach (TEXTURE_SRC ${SVG_FILES})
string(REGEX REPLACE ".[a-z]*\$" "" TEXTURE ${TEXTURE_SRC})
list(APPEND SVG_FILES_BASENAMES ${TEXTURE})
endforeach()
foreach (TEXTURE_SRC ${XPM_FILES})
string(REGEX REPLACE ".[a-z]*\$" "" TEXTURE ${TEXTURE_SRC})
list(FIND SVG_FILES_BASENAMES ${TEXTURE} DUP_IMG)
if ( ${DUP_IMG} LESS 0 )
list(APPEND FILES_TO_PNG ${TEXTURE_SRC})
else()
message(STATUS "texture '${TEXTURE}': XPM version skipped in favor of SVG")
endif()
endforeach()
else()
list(APPEND TEXTURES_TO_COPY ${XPM_FILES})
endif(XPM2PNG)
foreach (TEXTURE_SRC ${FILES_TO_PNG})
string(REGEX REPLACE ".[a-z]*\$" "" TEXTURE ${TEXTURE_SRC})
if ( TEXTURE_SRC MATCHES ".*svgz*" )
if( DEFINED svg2png_scaling_textures)
add_scale_targets(${TEXTURE_SRC} ${TEXTURE} ${svg2png_scaling_textures})
endif()
else()
add_scale_targets(${TEXTURE_SRC} ${TEXTURE} 0)
endif()
endforeach()
foreach (TEXTURE_FILE ${TEXTURES_TO_COPY})
add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${TEXTURE_FILE}"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${TEXTURE_FILE}"
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/${TEXTURE_FILE}"
"${CMAKE_CURRENT_BINARY_DIR}/${TEXTURE_FILE}"
)
list(APPEND TEXTURE_TARGETS "${CMAKE_CURRENT_BINARY_DIR}/${TEXTURE_FILE}")
endforeach()
add_custom_target(textures ALL DEPENDS ${TEXTURE_TARGETS})
add_custom_target(textures_resource COMMAND mkdir -p ../resources/share/navit/textures COMMAND cp ${TEXTURE_TARGETS} ../resources/share/navit/textures)
add_dependencies(textures_resource textures)
install(
FILES ${TEXTURE_TARGETS}
DESTINATION ${TEXTURE_DIR}
PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
)
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