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cmake_minimum_required(VERSION 3.17.0 FATAL_ERROR)
# generates and adds a Windows rc file for the application/library also attaches the application icon if ffmpeg is available
# does nothing if not building with mingw-w64
if (NOT BASIC_PROJECT_CONFIG_DONE)
message(
FATAL_ERROR
"Before including the WindowsResources module, the LibraryConfig/ApplicationConfig module must be included.")
endif ()
option(WINDOWS_RESOURCES_ENABLED "controls whether Windows resources are enabled" ON)
option(WINDOWS_ICON_ENABLED "controls whether Windows icon is enabled" ON)
if (NOT WIN32 OR NOT WINDOWS_RESOURCES_ENABLED)
return()
endif ()
# find rc template, define path of output rc file
include(TemplateFinder)
find_template_file("windows.rc" CPP_UTILITIES RC_TEMPLATE_FILE)
find_template_file("windows-cli-wrapper.rc" CPP_UTILITIES RC_CLI_TEMPLATE_FILE)
set(WINDOWS_RC_FILE "${CMAKE_CURRENT_BINARY_DIR}/resources/windows")
set(WINDOWS_CLI_RC_FILE "${CMAKE_CURRENT_BINARY_DIR}/resources/windows-cli-wrapper")
# create Windows icon from png with ffmpeg if available
unset(WINDOWS_ICON_RC_ENTRY)
if (WINDOWS_ICON_ENABLED)
if (NOT WINDOWS_ICON_PATH AND PNG_ICON_PATH)
find_program(FFMPEG_BIN ffmpeg avconv)
if (FFMPEG_BIN)
set(WINDOWS_ICON_PATH "${CMAKE_CURRENT_BINARY_DIR}/resources/${META_PROJECT_NAME}.ico")
add_custom_command(
COMMENT "Generating icon for Windows executable"
OUTPUT "${WINDOWS_ICON_PATH}"
COMMAND ${FFMPEG_BIN} -y -i "${PNG_ICON_PATH}" "${WINDOWS_ICON_PATH}"
DEPENDS "${PNG_ICON_PATH}")
message(STATUS "Generating Windows icon from \"${PNG_ICON_PATH}\" via ${FFMPEG_BIN}.")
else ()
message(STATUS "Unable to find ffmpeg, not creating a Windows icon")
endif ()
endif ()
if (WINDOWS_ICON_PATH)
set(WINDOWS_ICON_RC_ENTRY "IDI_ICON1 ICON DISCARDABLE \"${WINDOWS_ICON_PATH}\"")
set_source_files_properties("${WINDOWS_RC_FILE}" PROPERTIES OBJECT_DEPENDS "${WINDOWS_ICON_PATH}")
endif ()
endif ()
# create Windows rc file from template
configure_file("${RC_TEMPLATE_FILE}" "${WINDOWS_RC_FILE}-configured.rc")
file(
GENERATE
OUTPUT "${WINDOWS_RC_FILE}-$<CONFIG>.rc"
INPUT "${WINDOWS_RC_FILE}-configured.rc")
if (BUILD_CLI_WRAPPER AND META_PROJECT_TYPE STREQUAL "application")
configure_file("${RC_CLI_TEMPLATE_FILE}" "${WINDOWS_CLI_RC_FILE}-configured.rc")
file(
GENERATE
OUTPUT "${WINDOWS_CLI_RC_FILE}-$<CONFIG>.rc"
INPUT "${WINDOWS_CLI_RC_FILE}-configured.rc")
endif ()
# add resource file to sources
list(APPEND RES_FILES "${WINDOWS_RC_FILE}-${CMAKE_BUILD_TYPE}.rc")
set_property(SOURCE "${WINDOWS_RC_FILE}-${CMAKE_BUILD_TYPE}.rc" PROPERTY GENERATED ON)
if (BUILD_CLI_WRAPPER AND META_PROJECT_TYPE STREQUAL "application")
list(APPEND CLI_WRAPPER_RES_FILES "${WINDOWS_CLI_RC_FILE}-${CMAKE_BUILD_TYPE}.rc")
set_property(SOURCE "${WINDOWS_CLI_RC_FILE}-${CMAKE_BUILD_TYPE}.rc" PROPERTY GENERATED ON)
endif ()
# configure resource compiler; use windres when compiling with mingw-w64
if (MINGW)
set(CMAKE_RC_COMPILER_INIT windres)
set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> <FLAGS> -O coff <DEFINES> -i <SOURCE> -o <OBJECT>")
endif ()
enable_language(RC)
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